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-rw-r--r--crypto/src/asn1/Asn1OctetString.cs2
-rw-r--r--crypto/src/asn1/Asn1Sequence.cs4
-rw-r--r--crypto/src/asn1/Asn1Set.cs4
-rw-r--r--crypto/src/asn1/Asn1TaggedObject.cs2
-rw-r--r--crypto/src/asn1/BerTaggedObject.cs2
-rw-r--r--crypto/src/asn1/DerBMPString.cs4
-rw-r--r--crypto/src/asn1/DerBitString.cs2
-rw-r--r--crypto/src/asn1/DerBoolean.cs4
-rw-r--r--crypto/src/asn1/DerEnumerated.cs2
-rw-r--r--crypto/src/asn1/DerGeneralString.cs2
-rw-r--r--crypto/src/asn1/DerGeneralizedTime.cs2
-rw-r--r--crypto/src/asn1/DerIA5String.cs2
-rw-r--r--crypto/src/asn1/DerInteger.cs2
-rw-r--r--crypto/src/asn1/DerNumericString.cs2
-rw-r--r--crypto/src/asn1/DerObjectIdentifier.cs2
-rw-r--r--crypto/src/asn1/DerPrintableString.cs2
-rw-r--r--crypto/src/asn1/DerT61String.cs2
-rw-r--r--crypto/src/asn1/DerUTCTime.cs2
-rw-r--r--crypto/src/asn1/DerUTF8String.cs4
-rw-r--r--crypto/src/asn1/DerUniversalString.cs2
-rw-r--r--crypto/src/asn1/DerVisibleString.cs2
-rw-r--r--crypto/src/asn1/cmp/CAKeyUpdAnnContent.cs4
-rw-r--r--crypto/src/asn1/cmp/CertConfirmContent.cs4
-rw-r--r--crypto/src/asn1/cmp/CertOrEncCert.cs3
-rw-r--r--crypto/src/asn1/cmp/CertRepMessage.cs4
-rw-r--r--crypto/src/asn1/cmp/CertResponse.cs4
-rw-r--r--crypto/src/asn1/cmp/CertStatus.cs3
-rw-r--r--crypto/src/asn1/cmp/CertifiedKeyPair.cs3
-rw-r--r--crypto/src/asn1/cmp/Challenge.cs3
-rw-r--r--crypto/src/asn1/cmp/CmpCertificate.cs3
-rw-r--r--crypto/src/asn1/cmp/CrlAnnContent.cs3
-rw-r--r--crypto/src/asn1/cmp/ErrorMsgContent.cs4
-rw-r--r--crypto/src/asn1/cmp/GenMsgContent.cs4
-rw-r--r--crypto/src/asn1/cmp/GenRepContent.cs4
-rw-r--r--crypto/src/asn1/cmp/InfoTypeAndValue.cs4
-rw-r--r--crypto/src/asn1/cmp/KeyRecRepContent.cs4
-rw-r--r--crypto/src/asn1/cmp/OobCertHash.cs3
-rw-r--r--crypto/src/asn1/cmp/PKIBody.cs3
-rw-r--r--crypto/src/asn1/cmp/PKIConfirmContent.cs4
-rw-r--r--crypto/src/asn1/cmp/PKIFreeText.cs4
-rw-r--r--crypto/src/asn1/cmp/PKIHeader.cs3
-rw-r--r--crypto/src/asn1/cmp/PKIMessages.cs4
-rw-r--r--crypto/src/asn1/cmp/PKIStatus.cs3
-rw-r--r--crypto/src/asn1/cmp/PKIStatusInfo.cs3
-rw-r--r--crypto/src/asn1/cmp/PbmParameter.cs3
-rw-r--r--crypto/src/asn1/cmp/PollRepContent.cs4
-rw-r--r--crypto/src/asn1/cmp/PollReqContent.cs4
-rw-r--r--crypto/src/asn1/cmp/PopoDecKeyChallContent.cs4
-rw-r--r--crypto/src/asn1/cmp/PopoDecKeyRespContent.cs4
-rw-r--r--crypto/src/asn1/cmp/ProtectedPart.cs4
-rw-r--r--crypto/src/asn1/cmp/RevAnnContent.cs3
-rw-r--r--crypto/src/asn1/cmp/RevDetails.cs3
-rw-r--r--crypto/src/asn1/cmp/RevRepContent.cs3
-rw-r--r--crypto/src/asn1/cmp/RevReqContent.cs4
-rw-r--r--crypto/src/asn1/cms/Attribute.cs4
-rw-r--r--crypto/src/asn1/cms/AuthEnvelopedData.cs4
-rw-r--r--crypto/src/asn1/cms/AuthenticatedData.cs3
-rw-r--r--crypto/src/asn1/cms/CompressedData.cs4
-rw-r--r--crypto/src/asn1/cms/ContentInfo.cs4
-rw-r--r--crypto/src/asn1/cms/EncryptedContentInfo.cs4
-rw-r--r--crypto/src/asn1/cms/EncryptedData.cs4
-rw-r--r--crypto/src/asn1/cms/Evidence.cs4
-rw-r--r--crypto/src/asn1/cms/KEKIdentifier.cs4
-rw-r--r--crypto/src/asn1/cms/KEKRecipientInfo.cs4
-rw-r--r--crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs4
-rw-r--r--crypto/src/asn1/cms/KeyAgreeRecipientInfo.cs4
-rw-r--r--crypto/src/asn1/cms/KeyTransRecipientInfo.cs4
-rw-r--r--crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs4
-rw-r--r--crypto/src/asn1/cms/OriginatorInfo.cs4
-rw-r--r--crypto/src/asn1/cms/OriginatorPublicKey.cs4
-rw-r--r--crypto/src/asn1/cms/OtherKeyAttribute.cs4
-rw-r--r--crypto/src/asn1/cms/PasswordRecipientInfo.cs4
-rw-r--r--crypto/src/asn1/cms/RecipientEncryptedKey.cs4
-rw-r--r--crypto/src/asn1/cms/RecipientIdentifier.cs4
-rw-r--r--crypto/src/asn1/cms/RecipientInfo.cs4
-rw-r--r--crypto/src/asn1/cms/RecipientKeyIdentifier.cs4
-rw-r--r--crypto/src/asn1/cms/SignedData.cs4
-rw-r--r--crypto/src/asn1/cms/SignedDataParser.cs4
-rw-r--r--crypto/src/asn1/cms/SignerIdentifier.cs4
-rw-r--r--crypto/src/asn1/cms/SignerInfo.cs4
-rw-r--r--crypto/src/asn1/cms/Time.cs4
-rw-r--r--crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs4
-rw-r--r--crypto/src/asn1/crmf/AttributeTypeAndValue.cs4
-rw-r--r--crypto/src/asn1/crmf/CertId.cs3
-rw-r--r--crypto/src/asn1/crmf/CertReqMessages.cs4
-rw-r--r--crypto/src/asn1/crmf/Controls.cs4
-rw-r--r--crypto/src/asn1/crmf/PKIArchiveOptions.cs4
-rw-r--r--crypto/src/asn1/crmf/PKIPublicationInfo.cs4
-rw-r--r--crypto/src/asn1/crmf/PKMacValue.cs3
-rw-r--r--crypto/src/asn1/crmf/PopoSigningKey.cs3
-rw-r--r--crypto/src/asn1/crmf/PopoSigningKeyInput.cs3
-rw-r--r--crypto/src/asn1/crmf/ProofOfPossession.cs4
-rw-r--r--crypto/src/asn1/crmf/SinglePubInfo.cs3
-rw-r--r--crypto/src/asn1/cryptopro/ECGOST3410ParamSetParameters.cs3
-rw-r--r--crypto/src/asn1/cryptopro/GOST28147Parameters.cs4
-rw-r--r--crypto/src/asn1/cryptopro/GOST3410ParamSetParameters.cs4
-rw-r--r--crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs4
-rw-r--r--crypto/src/asn1/esf/CertificateValues.cs3
-rw-r--r--crypto/src/asn1/esf/CommitmentTypeIndication.cs4
-rw-r--r--crypto/src/asn1/esf/CommitmentTypeQualifier.cs4
-rw-r--r--crypto/src/asn1/esf/CompleteCertificateRefs.cs3
-rw-r--r--crypto/src/asn1/esf/CompleteRevocationRefs.cs3
-rw-r--r--crypto/src/asn1/esf/CrlIdentifier.cs3
-rw-r--r--crypto/src/asn1/esf/CrlListID.cs3
-rw-r--r--crypto/src/asn1/esf/CrlOcspRef.cs4
-rw-r--r--crypto/src/asn1/esf/CrlValidatedID.cs4
-rw-r--r--crypto/src/asn1/esf/OcspIdentifier.cs3
-rw-r--r--crypto/src/asn1/esf/OcspListID.cs3
-rw-r--r--crypto/src/asn1/esf/OcspResponsesID.cs4
-rw-r--r--crypto/src/asn1/esf/OtherCertID.cs3
-rw-r--r--crypto/src/asn1/esf/OtherHashAlgAndValue.cs3
-rw-r--r--crypto/src/asn1/esf/OtherRevRefs.cs4
-rw-r--r--crypto/src/asn1/esf/OtherRevVals.cs4
-rw-r--r--crypto/src/asn1/esf/OtherSigningCertificate.cs3
-rw-r--r--crypto/src/asn1/esf/SigPolicyQualifierInfo.cs4
-rw-r--r--crypto/src/asn1/esf/SignaturePolicyId.cs3
-rw-r--r--crypto/src/asn1/esf/SignaturePolicyIdentifier.cs4
-rw-r--r--crypto/src/asn1/esf/SignerAttribute.cs3
-rw-r--r--crypto/src/asn1/ess/ContentHints.cs4
-rw-r--r--crypto/src/asn1/ess/ContentIdentifier.cs4
-rw-r--r--crypto/src/asn1/ess/ESSCertID.cs3
-rw-r--r--crypto/src/asn1/ess/OtherCertID.cs3
-rw-r--r--crypto/src/asn1/ess/OtherSigningCertificate.cs3
-rw-r--r--crypto/src/asn1/ess/SigningCertificate.cs3
-rw-r--r--crypto/src/asn1/ess/SigningCertificateV2.cs3
-rw-r--r--crypto/src/asn1/isismtt/ocsp/CertHash.cs3
-rw-r--r--crypto/src/asn1/isismtt/ocsp/RequestedCertificate.cs4
-rw-r--r--crypto/src/asn1/isismtt/x509/AdditionalInformationSyntax.cs3
-rw-r--r--crypto/src/asn1/isismtt/x509/AdmissionSyntax.cs3
-rw-r--r--crypto/src/asn1/isismtt/x509/Admissions.cs5
-rw-r--r--crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs4
-rw-r--r--crypto/src/asn1/isismtt/x509/MonetaryLimit.cs3
-rw-r--r--crypto/src/asn1/isismtt/x509/NamingAuthority.cs9
-rw-r--r--crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs3
-rw-r--r--crypto/src/asn1/isismtt/x509/ProfessionInfo.cs9
-rw-r--r--crypto/src/asn1/isismtt/x509/Restriction.cs3
-rw-r--r--crypto/src/asn1/mozilla/PublicKeyAndChallenge.cs3
-rw-r--r--crypto/src/asn1/ocsp/BasicOCSPResponse.cs3
-rw-r--r--crypto/src/asn1/ocsp/CertID.cs3
-rw-r--r--crypto/src/asn1/ocsp/CertStatus.cs4
-rw-r--r--crypto/src/asn1/ocsp/OCSPRequest.cs4
-rw-r--r--crypto/src/asn1/ocsp/OCSPResponse.cs4
-rw-r--r--crypto/src/asn1/ocsp/Request.cs3
-rw-r--r--crypto/src/asn1/ocsp/ResponseBytes.cs4
-rw-r--r--crypto/src/asn1/ocsp/ResponseData.cs4
-rw-r--r--crypto/src/asn1/ocsp/RevokedInfo.cs4
-rw-r--r--crypto/src/asn1/ocsp/ServiceLocator.cs4
-rw-r--r--crypto/src/asn1/ocsp/Signature.cs4
-rw-r--r--crypto/src/asn1/ocsp/SingleResponse.cs8
-rw-r--r--crypto/src/asn1/ocsp/TBSRequest.cs8
-rw-r--r--crypto/src/asn1/pkcs/Attribute.cs4
-rw-r--r--crypto/src/asn1/pkcs/CertificationRequestInfo.cs3
-rw-r--r--crypto/src/asn1/pkcs/EncryptedData.cs3
-rw-r--r--crypto/src/asn1/pkcs/EncryptedPrivateKeyInfo.cs3
-rw-r--r--crypto/src/asn1/pkcs/EncryptionScheme.cs4
-rw-r--r--crypto/src/asn1/pkcs/IssuerAndSerialNumber.cs3
-rw-r--r--crypto/src/asn1/pkcs/MacData.cs4
-rw-r--r--crypto/src/asn1/pkcs/PBEParameter.cs4
-rw-r--r--crypto/src/asn1/pkcs/PBKDF2Params.cs4
-rw-r--r--crypto/src/asn1/pkcs/PKCS12PBEParams.cs4
-rw-r--r--crypto/src/asn1/pkcs/RC2CBCParameter.cs3
-rw-r--r--crypto/src/asn1/pkcs/RSAESOAEPparams.cs3
-rw-r--r--crypto/src/asn1/pkcs/RSASSAPSSparams.cs3
-rw-r--r--crypto/src/asn1/pkcs/SignerInfo.cs4
-rw-r--r--crypto/src/asn1/smime/SMIMECapabilities.cs2
-rw-r--r--crypto/src/asn1/tsp/Accuracy.cs4
-rw-r--r--crypto/src/asn1/tsp/MessageImprint.cs3
-rw-r--r--crypto/src/asn1/tsp/TSTInfo.cs3
-rw-r--r--crypto/src/asn1/tsp/TimeStampReq.cs3
-rw-r--r--crypto/src/asn1/tsp/TimeStampResp.cs4
-rw-r--r--crypto/src/asn1/x500/DirectoryString.cs4
-rw-r--r--crypto/src/asn1/x509/AccessDescription.cs4
-rw-r--r--crypto/src/asn1/x509/AttCertIssuer.cs4
-rw-r--r--crypto/src/asn1/x509/AttCertValidityPeriod.cs4
-rw-r--r--crypto/src/asn1/x509/Attribute.cs4
-rw-r--r--crypto/src/asn1/x509/AttributeCertificateInfo.cs4
-rw-r--r--crypto/src/asn1/x509/AuthorityKeyIdentifier.cs4
-rw-r--r--crypto/src/asn1/x509/BasicConstraints.cs4
-rw-r--r--crypto/src/asn1/x509/CRLDistPoint.cs2
-rw-r--r--crypto/src/asn1/x509/CertificatePair.cs4
-rw-r--r--crypto/src/asn1/x509/DSAParameter.cs3
-rw-r--r--crypto/src/asn1/x509/DigestInfo.cs4
-rw-r--r--crypto/src/asn1/x509/DisplayText.cs4
-rw-r--r--crypto/src/asn1/x509/DistributionPoint.cs2
-rw-r--r--crypto/src/asn1/x509/DistributionPointName.cs2
-rw-r--r--crypto/src/asn1/x509/ExtendedKeyUsage.cs2
-rw-r--r--crypto/src/asn1/x509/GeneralName.cs2
-rw-r--r--crypto/src/asn1/x509/GeneralNames.cs2
-rw-r--r--crypto/src/asn1/x509/Holder.cs4
-rw-r--r--crypto/src/asn1/x509/IssuerSerial.cs4
-rw-r--r--crypto/src/asn1/x509/IssuingDistributionPoint.cs2
-rw-r--r--crypto/src/asn1/x509/NameConstraints.cs4
-rw-r--r--crypto/src/asn1/x509/ObjectDigestInfo.cs4
-rw-r--r--crypto/src/asn1/x509/PrivateKeyUsagePeriod.cs4
-rw-r--r--crypto/src/asn1/x509/RSAPublicKeyStructure.cs9
-rw-r--r--crypto/src/asn1/x509/SubjectDirectoryAttributes.cs2
-rw-r--r--crypto/src/asn1/x509/SubjectKeyIdentifier.cs3
-rw-r--r--crypto/src/asn1/x509/TBSCertList.cs3
-rw-r--r--crypto/src/asn1/x509/Target.cs4
-rw-r--r--crypto/src/asn1/x509/TargetInformation.cs4
-rw-r--r--crypto/src/asn1/x509/Targets.cs4
-rw-r--r--crypto/src/asn1/x509/Time.cs4
-rw-r--r--crypto/src/asn1/x509/X509Extensions.cs2
-rw-r--r--crypto/src/asn1/x509/qualified/BiometricData.cs6
-rw-r--r--crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs6
-rw-r--r--crypto/src/asn1/x509/qualified/MonetaryValue.cs4
-rw-r--r--crypto/src/asn1/x509/qualified/QCStatement.cs5
-rw-r--r--crypto/src/asn1/x509/qualified/SemanticsInformation.cs4
-rw-r--r--crypto/src/asn1/x509/qualified/TypeOfBiometricData.cs4
-rw-r--r--crypto/src/asn1/x509/sigi/NameOrPseudonym.cs5
-rw-r--r--crypto/src/asn1/x509/sigi/PersonalData.cs3
-rw-r--r--crypto/src/asn1/x9/DHDomainParameters.cs4
-rw-r--r--crypto/src/asn1/x9/DHPublicKey.cs4
-rw-r--r--crypto/src/asn1/x9/DHValidationParms.cs4
-rw-r--r--crypto/src/crypto/engines/AesEngine.cs4
-rw-r--r--crypto/src/crypto/engines/AesFastEngine.cs4
-rw-r--r--crypto/src/crypto/engines/AesLightEngine.cs4
-rw-r--r--crypto/src/crypto/engines/BlowfishEngine.cs3
-rw-r--r--crypto/src/crypto/engines/Cast5Engine.cs3
-rw-r--r--crypto/src/crypto/engines/DesEdeEngine.cs3
-rw-r--r--crypto/src/crypto/engines/DesEngine.cs3
-rw-r--r--crypto/src/crypto/engines/GOST28147Engine.cs3
-rw-r--r--crypto/src/crypto/engines/HC128Engine.cs3
-rw-r--r--crypto/src/crypto/engines/HC256Engine.cs3
-rw-r--r--crypto/src/crypto/engines/ISAACEngine.cs3
-rw-r--r--crypto/src/crypto/engines/IdeaEngine.cs3
-rw-r--r--crypto/src/crypto/engines/NoekeonEngine.cs4
-rw-r--r--crypto/src/crypto/engines/RC2Engine.cs3
-rw-r--r--crypto/src/crypto/engines/RC4Engine.cs3
-rw-r--r--crypto/src/crypto/engines/RC532Engine.cs3
-rw-r--r--crypto/src/crypto/engines/RC564Engine.cs3
-rw-r--r--crypto/src/crypto/engines/RC6Engine.cs3
-rw-r--r--crypto/src/crypto/engines/RijndaelEngine.cs3
-rw-r--r--crypto/src/crypto/engines/SerpentEngineBase.cs3
-rw-r--r--crypto/src/crypto/engines/SkipjackEngine.cs3
-rw-r--r--crypto/src/crypto/engines/TEAEngine.cs3
-rw-r--r--crypto/src/crypto/engines/ThreefishEngine.cs3
-rw-r--r--crypto/src/crypto/engines/TwofishEngine.cs3
-rw-r--r--crypto/src/crypto/engines/XTEAEngine.cs3
-rw-r--r--crypto/src/crypto/macs/GOST28147Mac.cs3
-rw-r--r--crypto/src/crypto/macs/SkeinMac.cs3
-rw-r--r--crypto/src/crypto/tls/DefaultTlsAgreementCredentials.cs2
-rw-r--r--crypto/src/crypto/tls/DefaultTlsEncryptionCredentials.cs3
-rw-r--r--crypto/src/crypto/tls/DefaultTlsSignerCredentials.cs3
-rw-r--r--crypto/src/openpgp/PgpPublicKeyRingBundle.cs2
-rw-r--r--crypto/src/openpgp/PgpSecretKeyRingBundle.cs3
-rw-r--r--crypto/src/openssl/MiscPemGenerator.cs7
-rw-r--r--crypto/src/pkcs/PrivateKeyInfoFactory.cs2
-rw-r--r--crypto/src/pkix/PkixCertPathBuilder.cs2
-rw-r--r--crypto/src/pkix/PkixParameters.cs2
-rw-r--r--crypto/src/util/Platform.cs5
-rw-r--r--crypto/src/x509/SubjectPublicKeyInfoFactory.cs5
252 files changed, 559 insertions, 333 deletions
diff --git a/crypto/src/asn1/Asn1OctetString.cs b/crypto/src/asn1/Asn1OctetString.cs
index 9c738a8f2..73b6e51bf 100644
--- a/crypto/src/asn1/Asn1OctetString.cs
+++ b/crypto/src/asn1/Asn1OctetString.cs
@@ -52,7 +52,7 @@ namespace Org.BouncyCastle.Asn1
 			if (obj is Asn1TaggedObject)
 				return GetInstance(((Asn1TaggedObject)obj).GetObject());
 
-			throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+			throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
 		}
 
         /**
diff --git a/crypto/src/asn1/Asn1Sequence.cs b/crypto/src/asn1/Asn1Sequence.cs
index 5f9ea4460..849f5e308 100644
--- a/crypto/src/asn1/Asn1Sequence.cs
+++ b/crypto/src/asn1/Asn1Sequence.cs
@@ -50,7 +50,7 @@ namespace Org.BouncyCastle.Asn1
                 }
             }
 
-            throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
         /**
@@ -103,7 +103,7 @@ namespace Org.BouncyCastle.Asn1
                 return (Asn1Sequence) inner;
             }
 
-            throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
         protected internal Asn1Sequence(
diff --git a/crypto/src/asn1/Asn1Set.cs b/crypto/src/asn1/Asn1Set.cs
index 18f8020f2..bf83dbdc1 100644
--- a/crypto/src/asn1/Asn1Set.cs
+++ b/crypto/src/asn1/Asn1Set.cs
@@ -55,7 +55,7 @@ namespace Org.BouncyCastle.Asn1
                 }
             }
 
-            throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
         /**
@@ -121,7 +121,7 @@ namespace Org.BouncyCastle.Asn1
                 return new DerSet(v, false);
             }
 
-            throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
         protected internal Asn1Set(
diff --git a/crypto/src/asn1/Asn1TaggedObject.cs b/crypto/src/asn1/Asn1TaggedObject.cs
index 2e480738a..fdf5b651a 100644
--- a/crypto/src/asn1/Asn1TaggedObject.cs
+++ b/crypto/src/asn1/Asn1TaggedObject.cs
@@ -37,7 +37,7 @@ namespace Org.BouncyCastle.Asn1
 				return (Asn1TaggedObject) obj;
 			}
 
-			throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/BerTaggedObject.cs b/crypto/src/asn1/BerTaggedObject.cs
index 228b136cb..fd0bdc285 100644
--- a/crypto/src/asn1/BerTaggedObject.cs
+++ b/crypto/src/asn1/BerTaggedObject.cs
@@ -82,7 +82,7 @@ namespace Org.BouncyCastle.Asn1
 						}
 						else
 						{
-							throw Platform.CreateNotImplementedException(obj.GetType().Name);
+							throw Platform.CreateNotImplementedException(Platform.GetTypeName(obj));
 						}
 
 						foreach (Asn1Encodable o in eObj)
diff --git a/crypto/src/asn1/DerBMPString.cs b/crypto/src/asn1/DerBMPString.cs
index 4f7e0a635..33d950ff8 100644
--- a/crypto/src/asn1/DerBMPString.cs
+++ b/crypto/src/asn1/DerBMPString.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1
 {
     /**
@@ -24,7 +26,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerBmpString)obj;
             }
 
-			throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerBitString.cs b/crypto/src/asn1/DerBitString.cs
index fa37e6c0c..a3c2cee01 100644
--- a/crypto/src/asn1/DerBitString.cs
+++ b/crypto/src/asn1/DerBitString.cs
@@ -29,7 +29,7 @@ namespace Org.BouncyCastle.Asn1
 				return (DerBitString) obj;
 			}
 
-			throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
 		}
 
 		/**
diff --git a/crypto/src/asn1/DerBoolean.cs b/crypto/src/asn1/DerBoolean.cs
index 66791d16c..709f4ddce 100644
--- a/crypto/src/asn1/DerBoolean.cs
+++ b/crypto/src/asn1/DerBoolean.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1
 {
     public class DerBoolean
@@ -23,7 +25,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerBoolean) obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerEnumerated.cs b/crypto/src/asn1/DerEnumerated.cs
index 2638b0205..476b7fa9a 100644
--- a/crypto/src/asn1/DerEnumerated.cs
+++ b/crypto/src/asn1/DerEnumerated.cs
@@ -23,7 +23,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerEnumerated)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerGeneralString.cs b/crypto/src/asn1/DerGeneralString.cs
index 0e20b53bd..553b0e09c 100644
--- a/crypto/src/asn1/DerGeneralString.cs
+++ b/crypto/src/asn1/DerGeneralString.cs
@@ -19,7 +19,7 @@ namespace Org.BouncyCastle.Asn1
             }
 
 			throw new ArgumentException("illegal object in GetInstance: "
-                    + obj.GetType().Name);
+                    + Platform.GetTypeName(obj));
         }
 
         public static DerGeneralString GetInstance(
diff --git a/crypto/src/asn1/DerGeneralizedTime.cs b/crypto/src/asn1/DerGeneralizedTime.cs
index 79b008768..b224ebe42 100644
--- a/crypto/src/asn1/DerGeneralizedTime.cs
+++ b/crypto/src/asn1/DerGeneralizedTime.cs
@@ -27,7 +27,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerGeneralizedTime)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
         /**
diff --git a/crypto/src/asn1/DerIA5String.cs b/crypto/src/asn1/DerIA5String.cs
index 9fa2cba3c..63e91582e 100644
--- a/crypto/src/asn1/DerIA5String.cs
+++ b/crypto/src/asn1/DerIA5String.cs
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerIA5String)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerInteger.cs b/crypto/src/asn1/DerInteger.cs
index eb0614515..3610de588 100644
--- a/crypto/src/asn1/DerInteger.cs
+++ b/crypto/src/asn1/DerInteger.cs
@@ -23,7 +23,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerInteger)obj;
             }
 
-			throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerNumericString.cs b/crypto/src/asn1/DerNumericString.cs
index 6e2715a4d..a729f9e8e 100644
--- a/crypto/src/asn1/DerNumericString.cs
+++ b/crypto/src/asn1/DerNumericString.cs
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerNumericString)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerObjectIdentifier.cs b/crypto/src/asn1/DerObjectIdentifier.cs
index 563c637e5..6ac2b7e9e 100644
--- a/crypto/src/asn1/DerObjectIdentifier.cs
+++ b/crypto/src/asn1/DerObjectIdentifier.cs
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerObjectIdentifier) obj;
             if (obj is byte[])
                 return FromOctetString((byte[])obj);
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
         /**
diff --git a/crypto/src/asn1/DerPrintableString.cs b/crypto/src/asn1/DerPrintableString.cs
index cd2f46b48..e1797346d 100644
--- a/crypto/src/asn1/DerPrintableString.cs
+++ b/crypto/src/asn1/DerPrintableString.cs
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerPrintableString)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerT61String.cs b/crypto/src/asn1/DerT61String.cs
index 4dee6f30c..746ccfe70 100644
--- a/crypto/src/asn1/DerT61String.cs
+++ b/crypto/src/asn1/DerT61String.cs
@@ -25,7 +25,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerT61String)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerUTCTime.cs b/crypto/src/asn1/DerUTCTime.cs
index 639a2d4f4..99af8bf6b 100644
--- a/crypto/src/asn1/DerUTCTime.cs
+++ b/crypto/src/asn1/DerUTCTime.cs
@@ -27,7 +27,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerUtcTime)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerUTF8String.cs b/crypto/src/asn1/DerUTF8String.cs
index 92a50e824..758a5068d 100644
--- a/crypto/src/asn1/DerUTF8String.cs
+++ b/crypto/src/asn1/DerUTF8String.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Text;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1
 {
     /**
@@ -24,7 +26,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerUtf8String)obj;
             }
 
-			throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerUniversalString.cs b/crypto/src/asn1/DerUniversalString.cs
index 305102f2f..284d0f8c5 100644
--- a/crypto/src/asn1/DerUniversalString.cs
+++ b/crypto/src/asn1/DerUniversalString.cs
@@ -28,7 +28,7 @@ namespace Org.BouncyCastle.Asn1
                 return (DerUniversalString)obj;
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/DerVisibleString.cs b/crypto/src/asn1/DerVisibleString.cs
index 84c9caade..e1112201a 100644
--- a/crypto/src/asn1/DerVisibleString.cs
+++ b/crypto/src/asn1/DerVisibleString.cs
@@ -36,7 +36,7 @@ namespace Org.BouncyCastle.Asn1
                 return GetInstance(((Asn1TaggedObject)obj).GetObject());
             }
 
-            throw new ArgumentException("illegal object in GetInstance: " + obj.GetType().Name);
+            throw new ArgumentException("illegal object in GetInstance: " + Platform.GetTypeName(obj));
         }
 
         /**
diff --git a/crypto/src/asn1/cmp/CAKeyUpdAnnContent.cs b/crypto/src/asn1/cmp/CAKeyUpdAnnContent.cs
index 3cdb128a6..b74bac87a 100644
--- a/crypto/src/asn1/cmp/CAKeyUpdAnnContent.cs
+++ b/crypto/src/asn1/cmp/CAKeyUpdAnnContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class CAKeyUpdAnnContent
@@ -24,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CAKeyUpdAnnContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual CmpCertificate OldWithNew
diff --git a/crypto/src/asn1/cmp/CertConfirmContent.cs b/crypto/src/asn1/cmp/CertConfirmContent.cs
index f4016d8d8..370a9e7d6 100644
--- a/crypto/src/asn1/cmp/CertConfirmContent.cs
+++ b/crypto/src/asn1/cmp/CertConfirmContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class CertConfirmContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CertConfirmContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual CertStatus[] ToCertStatusArray()
diff --git a/crypto/src/asn1/cmp/CertOrEncCert.cs b/crypto/src/asn1/cmp/CertOrEncCert.cs
index 4c049c180..eb200e1e8 100644
--- a/crypto/src/asn1/cmp/CertOrEncCert.cs
+++ b/crypto/src/asn1/cmp/CertOrEncCert.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -34,7 +35,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1TaggedObject)
 				return new CertOrEncCert((Asn1TaggedObject)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+			throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public CertOrEncCert(CmpCertificate certificate)
diff --git a/crypto/src/asn1/cmp/CertRepMessage.cs b/crypto/src/asn1/cmp/CertRepMessage.cs
index c22b079c8..82869784d 100644
--- a/crypto/src/asn1/cmp/CertRepMessage.cs
+++ b/crypto/src/asn1/cmp/CertRepMessage.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class CertRepMessage
@@ -28,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CertRepMessage((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public CertRepMessage(CmpCertificate[] caPubs, CertResponse[] response)
diff --git a/crypto/src/asn1/cmp/CertResponse.cs b/crypto/src/asn1/cmp/CertResponse.cs
index 80813b8b7..843fd9299 100644
--- a/crypto/src/asn1/cmp/CertResponse.cs
+++ b/crypto/src/asn1/cmp/CertResponse.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class CertResponse
@@ -45,7 +47,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CertResponse((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public CertResponse(
diff --git a/crypto/src/asn1/cmp/CertStatus.cs b/crypto/src/asn1/cmp/CertStatus.cs
index 52d5ac504..d437b57b2 100644
--- a/crypto/src/asn1/cmp/CertStatus.cs
+++ b/crypto/src/asn1/cmp/CertStatus.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -43,7 +44,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CertStatus((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual Asn1OctetString CertHash
diff --git a/crypto/src/asn1/cmp/CertifiedKeyPair.cs b/crypto/src/asn1/cmp/CertifiedKeyPair.cs
index 655dde0c5..c06f00019 100644
--- a/crypto/src/asn1/cmp/CertifiedKeyPair.cs
+++ b/crypto/src/asn1/cmp/CertifiedKeyPair.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -45,7 +46,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CertifiedKeyPair((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public CertifiedKeyPair(
diff --git a/crypto/src/asn1/cmp/Challenge.cs b/crypto/src/asn1/cmp/Challenge.cs
index bee5f96f5..5c78c2a2b 100644
--- a/crypto/src/asn1/cmp/Challenge.cs
+++ b/crypto/src/asn1/cmp/Challenge.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -32,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new Challenge((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual AlgorithmIdentifier Owf
diff --git a/crypto/src/asn1/cmp/CmpCertificate.cs b/crypto/src/asn1/cmp/CmpCertificate.cs
index 16ee30059..33356b486 100644
--- a/crypto/src/asn1/cmp/CmpCertificate.cs
+++ b/crypto/src/asn1/cmp/CmpCertificate.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -37,7 +38,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
             if (obj is Asn1TaggedObject)
                 return new CmpCertificate(AttributeCertificate.GetInstance(((Asn1TaggedObject)obj).GetObject()));
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public virtual bool IsX509v3PKCert
diff --git a/crypto/src/asn1/cmp/CrlAnnContent.cs b/crypto/src/asn1/cmp/CrlAnnContent.cs
index 3dc11d32c..db8ecfa40 100644
--- a/crypto/src/asn1/cmp/CrlAnnContent.cs
+++ b/crypto/src/asn1/cmp/CrlAnnContent.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -22,7 +23,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new CrlAnnContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual CertificateList[] ToCertificateListArray()
diff --git a/crypto/src/asn1/cmp/ErrorMsgContent.cs b/crypto/src/asn1/cmp/ErrorMsgContent.cs
index 2d6353b65..5d2132bb8 100644
--- a/crypto/src/asn1/cmp/ErrorMsgContent.cs
+++ b/crypto/src/asn1/cmp/ErrorMsgContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class ErrorMsgContent
@@ -35,7 +37,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new ErrorMsgContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public ErrorMsgContent(PkiStatusInfo pkiStatusInfo)
diff --git a/crypto/src/asn1/cmp/GenMsgContent.cs b/crypto/src/asn1/cmp/GenMsgContent.cs
index 9f042491c..f3142b5c6 100644
--- a/crypto/src/asn1/cmp/GenMsgContent.cs
+++ b/crypto/src/asn1/cmp/GenMsgContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class GenMsgContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new GenMsgContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public GenMsgContent(params InfoTypeAndValue[] itv)
diff --git a/crypto/src/asn1/cmp/GenRepContent.cs b/crypto/src/asn1/cmp/GenRepContent.cs
index 5bdc5550a..3c3573e37 100644
--- a/crypto/src/asn1/cmp/GenRepContent.cs
+++ b/crypto/src/asn1/cmp/GenRepContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class GenRepContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new GenRepContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public GenRepContent(params InfoTypeAndValue[] itv)
diff --git a/crypto/src/asn1/cmp/InfoTypeAndValue.cs b/crypto/src/asn1/cmp/InfoTypeAndValue.cs
index 9b51dba02..0ce6f73ba 100644
--- a/crypto/src/asn1/cmp/InfoTypeAndValue.cs
+++ b/crypto/src/asn1/cmp/InfoTypeAndValue.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
     /**
@@ -69,7 +71,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
             if (obj is Asn1Sequence)
                 return new InfoTypeAndValue((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public InfoTypeAndValue(
diff --git a/crypto/src/asn1/cmp/KeyRecRepContent.cs b/crypto/src/asn1/cmp/KeyRecRepContent.cs
index b0352f048..00c4612b9 100644
--- a/crypto/src/asn1/cmp/KeyRecRepContent.cs
+++ b/crypto/src/asn1/cmp/KeyRecRepContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class KeyRecRepContent
@@ -43,7 +45,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new KeyRecRepContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual PkiStatusInfo Status
diff --git a/crypto/src/asn1/cmp/OobCertHash.cs b/crypto/src/asn1/cmp/OobCertHash.cs
index 63ddff7c4..cd8192b40 100644
--- a/crypto/src/asn1/cmp/OobCertHash.cs
+++ b/crypto/src/asn1/cmp/OobCertHash.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -41,7 +42,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new OobCertHash((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 		
 		public virtual AlgorithmIdentifier HashAlg
diff --git a/crypto/src/asn1/cmp/PKIBody.cs b/crypto/src/asn1/cmp/PKIBody.cs
index 3205a907e..f17eed64d 100644
--- a/crypto/src/asn1/cmp/PKIBody.cs
+++ b/crypto/src/asn1/cmp/PKIBody.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
 using Org.BouncyCastle.Asn1.Pkcs;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -47,7 +48,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
             if (obj is Asn1TaggedObject)
                 return new PkiBody((Asn1TaggedObject)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         private PkiBody(Asn1TaggedObject tagged)
diff --git a/crypto/src/asn1/cmp/PKIConfirmContent.cs b/crypto/src/asn1/cmp/PKIConfirmContent.cs
index 98645766a..d154427a4 100644
--- a/crypto/src/asn1/cmp/PKIConfirmContent.cs
+++ b/crypto/src/asn1/cmp/PKIConfirmContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class PkiConfirmContent
@@ -13,7 +15,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Null)
 				return new PkiConfirmContent();
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public PkiConfirmContent()
diff --git a/crypto/src/asn1/cmp/PKIFreeText.cs b/crypto/src/asn1/cmp/PKIFreeText.cs
index 571c8d93a..fef525465 100644
--- a/crypto/src/asn1/cmp/PKIFreeText.cs
+++ b/crypto/src/asn1/cmp/PKIFreeText.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class PkiFreeText
@@ -27,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 				return new PkiFreeText((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public PkiFreeText(
diff --git a/crypto/src/asn1/cmp/PKIHeader.cs b/crypto/src/asn1/cmp/PKIHeader.cs
index e758e9f16..577cb45df 100644
--- a/crypto/src/asn1/cmp/PKIHeader.cs
+++ b/crypto/src/asn1/cmp/PKIHeader.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -81,7 +82,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
             if (obj is Asn1Sequence)
                 return new PkiHeader((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public PkiHeader(
diff --git a/crypto/src/asn1/cmp/PKIMessages.cs b/crypto/src/asn1/cmp/PKIMessages.cs
index ddabdf4ae..eb01e544a 100644
--- a/crypto/src/asn1/cmp/PKIMessages.cs
+++ b/crypto/src/asn1/cmp/PKIMessages.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
     public class PkiMessages
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
             if (obj is Asn1Sequence)
                 return new PkiMessages((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public PkiMessages(params PkiMessage[] msgs)
diff --git a/crypto/src/asn1/cmp/PKIStatus.cs b/crypto/src/asn1/cmp/PKIStatus.cs
index b03dd3d62..ba757dfcf 100644
--- a/crypto/src/asn1/cmp/PKIStatus.cs
+++ b/crypto/src/asn1/cmp/PKIStatus.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -46,7 +47,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is DerInteger)
 				return new PkiStatusEncodable((DerInteger)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual BigInteger Value
diff --git a/crypto/src/asn1/cmp/PKIStatusInfo.cs b/crypto/src/asn1/cmp/PKIStatusInfo.cs
index 2463e0081..b19bf7459 100644
--- a/crypto/src/asn1/cmp/PKIStatusInfo.cs
+++ b/crypto/src/asn1/cmp/PKIStatusInfo.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -30,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 				return new PkiStatusInfo((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public PkiStatusInfo(
diff --git a/crypto/src/asn1/cmp/PbmParameter.cs b/crypto/src/asn1/cmp/PbmParameter.cs
index 59b1bd7bb..206b89ba1 100644
--- a/crypto/src/asn1/cmp/PbmParameter.cs
+++ b/crypto/src/asn1/cmp/PbmParameter.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
             if (obj is Asn1Sequence)
                 return new PbmParameter((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public PbmParameter(
diff --git a/crypto/src/asn1/cmp/PollRepContent.cs b/crypto/src/asn1/cmp/PollRepContent.cs
index 4045ac7ed..f8bb098a2 100644
--- a/crypto/src/asn1/cmp/PollRepContent.cs
+++ b/crypto/src/asn1/cmp/PollRepContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class PollRepContent
@@ -28,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new PollRepContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual DerInteger CertReqID
diff --git a/crypto/src/asn1/cmp/PollReqContent.cs b/crypto/src/asn1/cmp/PollReqContent.cs
index ca2164151..dd9b0c352 100644
--- a/crypto/src/asn1/cmp/PollReqContent.cs
+++ b/crypto/src/asn1/cmp/PollReqContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class PollReqContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new PollReqContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual DerInteger[][] GetCertReqIDs()
diff --git a/crypto/src/asn1/cmp/PopoDecKeyChallContent.cs b/crypto/src/asn1/cmp/PopoDecKeyChallContent.cs
index 20b173b85..03a13a5d5 100644
--- a/crypto/src/asn1/cmp/PopoDecKeyChallContent.cs
+++ b/crypto/src/asn1/cmp/PopoDecKeyChallContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class PopoDecKeyChallContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 	            return new PopoDecKeyChallContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 	    }
 
 	    public virtual Challenge[] ToChallengeArray()
diff --git a/crypto/src/asn1/cmp/PopoDecKeyRespContent.cs b/crypto/src/asn1/cmp/PopoDecKeyRespContent.cs
index 8c322e4ec..73f59b7c1 100644
--- a/crypto/src/asn1/cmp/PopoDecKeyRespContent.cs
+++ b/crypto/src/asn1/cmp/PopoDecKeyRespContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class PopoDecKeyRespContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new PopoDecKeyRespContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual DerInteger[] ToDerIntegerArray()
diff --git a/crypto/src/asn1/cmp/ProtectedPart.cs b/crypto/src/asn1/cmp/ProtectedPart.cs
index db6798fee..ed90708f9 100644
--- a/crypto/src/asn1/cmp/ProtectedPart.cs
+++ b/crypto/src/asn1/cmp/ProtectedPart.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class ProtectedPart
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new ProtectedPart((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public ProtectedPart(PkiHeader header, PkiBody body)
diff --git a/crypto/src/asn1/cmp/RevAnnContent.cs b/crypto/src/asn1/cmp/RevAnnContent.cs
index 2c3bd5f77..d5d42625c 100644
--- a/crypto/src/asn1/cmp/RevAnnContent.cs
+++ b/crypto/src/asn1/cmp/RevAnnContent.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -35,7 +36,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new RevAnnContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual PkiStatusEncodable Status
diff --git a/crypto/src/asn1/cmp/RevDetails.cs b/crypto/src/asn1/cmp/RevDetails.cs
index 6bdf5b2e9..7d2a65ab9 100644
--- a/crypto/src/asn1/cmp/RevDetails.cs
+++ b/crypto/src/asn1/cmp/RevDetails.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -27,7 +28,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new RevDetails((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public RevDetails(CertTemplate certDetails)
diff --git a/crypto/src/asn1/cmp/RevRepContent.cs b/crypto/src/asn1/cmp/RevRepContent.cs
index 47987265a..8e382a60d 100644
--- a/crypto/src/asn1/cmp/RevRepContent.cs
+++ b/crypto/src/asn1/cmp/RevRepContent.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Crmf;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cmp
 {
@@ -39,7 +40,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new RevRepContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 		
 		public virtual PkiStatusInfo[] GetStatus()
diff --git a/crypto/src/asn1/cmp/RevReqContent.cs b/crypto/src/asn1/cmp/RevReqContent.cs
index fbf869203..1522d3789 100644
--- a/crypto/src/asn1/cmp/RevReqContent.cs
+++ b/crypto/src/asn1/cmp/RevReqContent.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cmp
 {
 	public class RevReqContent
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Cmp
 			if (obj is Asn1Sequence)
 				return new RevReqContent((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public RevReqContent(params RevDetails[] revDetails)
diff --git a/crypto/src/asn1/cms/Attribute.cs b/crypto/src/asn1/cms/Attribute.cs
index c4a104a3f..69ac44148 100644
--- a/crypto/src/asn1/cms/Attribute.cs
+++ b/crypto/src/asn1/cms/Attribute.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -25,7 +25,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new Attribute((Asn1Sequence) obj);
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public Attribute(
diff --git a/crypto/src/asn1/cms/AuthEnvelopedData.cs b/crypto/src/asn1/cms/AuthEnvelopedData.cs
index 4260d80f9..c30ec6bbd 100644
--- a/crypto/src/asn1/cms/AuthEnvelopedData.cs
+++ b/crypto/src/asn1/cms/AuthEnvelopedData.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
 	public class AuthEnvelopedData
@@ -119,7 +121,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
 				return new AuthEnvelopedData((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid AuthEnvelopedData: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid AuthEnvelopedData: " + Platform.GetTypeName(obj));
 		}
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/AuthenticatedData.cs b/crypto/src/asn1/cms/AuthenticatedData.cs
index 15286d1aa..6f13a6f30 100644
--- a/crypto/src/asn1/cms/AuthenticatedData.cs
+++ b/crypto/src/asn1/cms/AuthenticatedData.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -123,7 +124,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 				return new AuthenticatedData((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Invalid AuthenticatedData: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid AuthenticatedData: " + Platform.GetTypeName(obj));
 		}
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/CompressedData.cs b/crypto/src/asn1/cms/CompressedData.cs
index 5a2869b8c..154ed35c0 100644
--- a/crypto/src/asn1/cms/CompressedData.cs
+++ b/crypto/src/asn1/cms/CompressedData.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -70,7 +70,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new CompressedData((Asn1Sequence) obj);
 
-			throw new ArgumentException("Invalid CompressedData: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid CompressedData: " + Platform.GetTypeName(obj));
         }
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/ContentInfo.cs b/crypto/src/asn1/cms/ContentInfo.cs
index 278ceca46..f130a4bc7 100644
--- a/crypto/src/asn1/cms/ContentInfo.cs
+++ b/crypto/src/asn1/cms/ContentInfo.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -20,7 +20,7 @@ namespace Org.BouncyCastle.Asn1.Cms
             if (obj is Asn1Sequence)
                 return new ContentInfo((Asn1Sequence) obj);
 
-            throw new ArgumentException("unknown object in factory: " + obj.GetType().Name);
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj));
         }
 
         public static ContentInfo GetInstance(Asn1TaggedObject obj, bool isExplicit)
diff --git a/crypto/src/asn1/cms/EncryptedContentInfo.cs b/crypto/src/asn1/cms/EncryptedContentInfo.cs
index 4fdc47138..999f2a01e 100644
--- a/crypto/src/asn1/cms/EncryptedContentInfo.cs
+++ b/crypto/src/asn1/cms/EncryptedContentInfo.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -50,7 +50,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new EncryptedContentInfo((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid EncryptedContentInfo: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid EncryptedContentInfo: " + Platform.GetTypeName(obj));
         }
 
         public DerObjectIdentifier ContentType
diff --git a/crypto/src/asn1/cms/EncryptedData.cs b/crypto/src/asn1/cms/EncryptedData.cs
index cb109a640..b8492d14b 100644
--- a/crypto/src/asn1/cms/EncryptedData.cs
+++ b/crypto/src/asn1/cms/EncryptedData.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
 	public class EncryptedData
@@ -18,7 +20,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
 				return new EncryptedData((Asn1Sequence) obj);
 
-			throw new ArgumentException("Invalid EncryptedData: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid EncryptedData: " + Platform.GetTypeName(obj));
 		}
 
 		public EncryptedData(
diff --git a/crypto/src/asn1/cms/Evidence.cs b/crypto/src/asn1/cms/Evidence.cs
index 4745e565b..8374aed55 100644
--- a/crypto/src/asn1/cms/Evidence.cs
+++ b/crypto/src/asn1/cms/Evidence.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
 	public class Evidence
@@ -28,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1TaggedObject)
 				return new Evidence(Asn1TaggedObject.GetInstance(obj));
 
-			throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public virtual TimeStampTokenEvidence TstEvidence
diff --git a/crypto/src/asn1/cms/KEKIdentifier.cs b/crypto/src/asn1/cms/KEKIdentifier.cs
index e5d1d9090..a42217440 100644
--- a/crypto/src/asn1/cms/KEKIdentifier.cs
+++ b/crypto/src/asn1/cms/KEKIdentifier.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -80,7 +80,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new KekIdentifier((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid KekIdentifier: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid KekIdentifier: " + Platform.GetTypeName(obj));
         }
 
 		public Asn1OctetString KeyIdentifier
diff --git a/crypto/src/asn1/cms/KEKRecipientInfo.cs b/crypto/src/asn1/cms/KEKRecipientInfo.cs
index d847b50cc..810e7fc97 100644
--- a/crypto/src/asn1/cms/KEKRecipientInfo.cs
+++ b/crypto/src/asn1/cms/KEKRecipientInfo.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -64,7 +64,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if(obj is Asn1Sequence)
                 return new KekRecipientInfo((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid KekRecipientInfo: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid KekRecipientInfo: " + Platform.GetTypeName(obj));
         }
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs b/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs
index fa6fdb0f3..0256c2dc2 100644
--- a/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs
+++ b/crypto/src/asn1/cms/KeyAgreeRecipientIdentifier.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
 	public class KeyAgreeRecipientIdentifier
@@ -42,7 +44,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 					(Asn1TaggedObject)obj, false));
 			}
 
-			throw new ArgumentException("Invalid KeyAgreeRecipientIdentifier: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Invalid KeyAgreeRecipientIdentifier: " + Platform.GetTypeName(obj), "obj");
 		} 
 
 		private readonly IssuerAndSerialNumber issuerSerial;
diff --git a/crypto/src/asn1/cms/KeyAgreeRecipientInfo.cs b/crypto/src/asn1/cms/KeyAgreeRecipientInfo.cs
index aafb008d4..62a38925b 100644
--- a/crypto/src/asn1/cms/KeyAgreeRecipientInfo.cs
+++ b/crypto/src/asn1/cms/KeyAgreeRecipientInfo.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -80,7 +80,7 @@ namespace Org.BouncyCastle.Asn1.Cms
                 return new KeyAgreeRecipientInfo((Asn1Sequence)obj);
 
 			throw new ArgumentException(
-                "Illegal object in KeyAgreeRecipientInfo: " + obj.GetType().Name);
+                "Illegal object in KeyAgreeRecipientInfo: " + Platform.GetTypeName(obj));
 
         }
 
diff --git a/crypto/src/asn1/cms/KeyTransRecipientInfo.cs b/crypto/src/asn1/cms/KeyTransRecipientInfo.cs
index aae18c59d..5e4fd22b4 100644
--- a/crypto/src/asn1/cms/KeyTransRecipientInfo.cs
+++ b/crypto/src/asn1/cms/KeyTransRecipientInfo.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -57,7 +57,7 @@ namespace Org.BouncyCastle.Asn1.Cms
                 return new KeyTransRecipientInfo((Asn1Sequence) obj);
 
 			throw new ArgumentException(
-				"Illegal object in KeyTransRecipientInfo: " + obj.GetType().Name);
+                "Illegal object in KeyTransRecipientInfo: " + Platform.GetTypeName(obj));
         }
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs b/crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs
index d33a11725..f197fe965 100644
--- a/crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs
+++ b/crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -95,7 +95,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (o is Asn1TaggedObject)
 				return new OriginatorIdentifierOrKey((Asn1TaggedObject)o);
 
-			throw new ArgumentException("Invalid OriginatorIdentifierOrKey: " + o.GetType().Name);
+            throw new ArgumentException("Invalid OriginatorIdentifierOrKey: " + Platform.GetTypeName(o));
         }
 
 		public Asn1Encodable ID
diff --git a/crypto/src/asn1/cms/OriginatorInfo.cs b/crypto/src/asn1/cms/OriginatorInfo.cs
index b4549bc36..33b049efa 100644
--- a/crypto/src/asn1/cms/OriginatorInfo.cs
+++ b/crypto/src/asn1/cms/OriginatorInfo.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -79,7 +79,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new OriginatorInfo((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid OriginatorInfo: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid OriginatorInfo: " + Platform.GetTypeName(obj));
         }
 
 		public Asn1Set Certificates
diff --git a/crypto/src/asn1/cms/OriginatorPublicKey.cs b/crypto/src/asn1/cms/OriginatorPublicKey.cs
index 988841aa5..9f29c6242 100644
--- a/crypto/src/asn1/cms/OriginatorPublicKey.cs
+++ b/crypto/src/asn1/cms/OriginatorPublicKey.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -58,7 +58,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new OriginatorPublicKey(Asn1Sequence.GetInstance(obj));
 
-			throw new ArgumentException("Invalid OriginatorPublicKey: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid OriginatorPublicKey: " + Platform.GetTypeName(obj));
         }
 
 		public AlgorithmIdentifier Algorithm
diff --git a/crypto/src/asn1/cms/OtherKeyAttribute.cs b/crypto/src/asn1/cms/OtherKeyAttribute.cs
index 271059175..285c88154 100644
--- a/crypto/src/asn1/cms/OtherKeyAttribute.cs
+++ b/crypto/src/asn1/cms/OtherKeyAttribute.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -25,7 +25,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new OtherKeyAttribute((Asn1Sequence) obj);
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public OtherKeyAttribute(
diff --git a/crypto/src/asn1/cms/PasswordRecipientInfo.cs b/crypto/src/asn1/cms/PasswordRecipientInfo.cs
index 800b57951..7f275fde7 100644
--- a/crypto/src/asn1/cms/PasswordRecipientInfo.cs
+++ b/crypto/src/asn1/cms/PasswordRecipientInfo.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -82,7 +82,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
                 return new PasswordRecipientInfo((Asn1Sequence) obj);
 
-			throw new ArgumentException("Invalid PasswordRecipientInfo: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid PasswordRecipientInfo: " + Platform.GetTypeName(obj));
         }
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/RecipientEncryptedKey.cs b/crypto/src/asn1/cms/RecipientEncryptedKey.cs
index 5ba25a742..1afba4ab1 100644
--- a/crypto/src/asn1/cms/RecipientEncryptedKey.cs
+++ b/crypto/src/asn1/cms/RecipientEncryptedKey.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
 	public class RecipientEncryptedKey
@@ -50,7 +52,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 				return new RecipientEncryptedKey((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("Invalid RecipientEncryptedKey: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Invalid RecipientEncryptedKey: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public RecipientEncryptedKey(
diff --git a/crypto/src/asn1/cms/RecipientIdentifier.cs b/crypto/src/asn1/cms/RecipientIdentifier.cs
index 4982bc16a..f29fa8d7c 100644
--- a/crypto/src/asn1/cms/RecipientIdentifier.cs
+++ b/crypto/src/asn1/cms/RecipientIdentifier.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -49,7 +49,7 @@ namespace Org.BouncyCastle.Asn1.Cms
                 return new RecipientIdentifier((Asn1Object) o);
 
 			throw new ArgumentException(
-              "Illegal object in RecipientIdentifier: " + o.GetType().Name);
+              "Illegal object in RecipientIdentifier: " + Platform.GetTypeName(o));
         }
 
 		public bool IsTagged
diff --git a/crypto/src/asn1/cms/RecipientInfo.cs b/crypto/src/asn1/cms/RecipientInfo.cs
index daaf5a5e4..c03ad907f 100644
--- a/crypto/src/asn1/cms/RecipientInfo.cs
+++ b/crypto/src/asn1/cms/RecipientInfo.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -57,7 +57,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (o is Asn1TaggedObject)
                 return new RecipientInfo((Asn1TaggedObject) o);
 
-			throw new ArgumentException("unknown object in factory: " + o.GetType().Name);
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(o));
         }
 
 		public DerInteger Version
diff --git a/crypto/src/asn1/cms/RecipientKeyIdentifier.cs b/crypto/src/asn1/cms/RecipientKeyIdentifier.cs
index f3e45644b..995ddab51 100644
--- a/crypto/src/asn1/cms/RecipientKeyIdentifier.cs
+++ b/crypto/src/asn1/cms/RecipientKeyIdentifier.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -97,7 +97,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is Asn1Sequence)
 				return new RecipientKeyIdentifier((Asn1Sequence) obj);
 
-			throw new ArgumentException("Invalid RecipientKeyIdentifier: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid RecipientKeyIdentifier: " + Platform.GetTypeName(obj));
         }
 
 		public Asn1OctetString SubjectKeyIdentifier
diff --git a/crypto/src/asn1/cms/SignedData.cs b/crypto/src/asn1/cms/SignedData.cs
index 6cea79a49..957b81cd8 100644
--- a/crypto/src/asn1/cms/SignedData.cs
+++ b/crypto/src/asn1/cms/SignedData.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -34,7 +34,7 @@ namespace Org.BouncyCastle.Asn1.Cms
             if (obj is Asn1Sequence)
                 return new SignedData((Asn1Sequence) obj);
 
-            throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
         public SignedData(
diff --git a/crypto/src/asn1/cms/SignedDataParser.cs b/crypto/src/asn1/cms/SignedDataParser.cs
index 341309263..cd07f4057 100644
--- a/crypto/src/asn1/cms/SignedDataParser.cs
+++ b/crypto/src/asn1/cms/SignedDataParser.cs
@@ -1,6 +1,8 @@
 using System;
 using System.IO;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
 	/**
@@ -32,7 +34,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (o is Asn1SequenceParser)
 				return new SignedDataParser((Asn1SequenceParser)o);
 
-			throw new IOException("unknown object encountered: " + o.GetType().Name);
+            throw new IOException("unknown object encountered: " + Platform.GetTypeName(o));
 		}
 
 		public SignedDataParser(
diff --git a/crypto/src/asn1/cms/SignerIdentifier.cs b/crypto/src/asn1/cms/SignerIdentifier.cs
index 5742cee75..195ab741f 100644
--- a/crypto/src/asn1/cms/SignerIdentifier.cs
+++ b/crypto/src/asn1/cms/SignerIdentifier.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -49,7 +49,7 @@ namespace Org.BouncyCastle.Asn1.Cms
                 return new SignerIdentifier((Asn1Object) o);
 
 			throw new ArgumentException(
-				"Illegal object in SignerIdentifier: " + o.GetType().Name);
+                "Illegal object in SignerIdentifier: " + Platform.GetTypeName(o));
         }
 
 		public bool IsTagged
diff --git a/crypto/src/asn1/cms/SignerInfo.cs b/crypto/src/asn1/cms/SignerInfo.cs
index a4e893d96..b6bd319b0 100644
--- a/crypto/src/asn1/cms/SignerInfo.cs
+++ b/crypto/src/asn1/cms/SignerInfo.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Cms
 {
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Cms
             if (obj is Asn1Sequence)
                 return new SignerInfo((Asn1Sequence) obj);
 
-            throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
         public SignerInfo(
diff --git a/crypto/src/asn1/cms/Time.cs b/crypto/src/asn1/cms/Time.cs
index e5730245e..52fb4f937 100644
--- a/crypto/src/asn1/cms/Time.cs
+++ b/crypto/src/asn1/cms/Time.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Globalization;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms
 {
     public class Time
@@ -58,7 +60,7 @@ namespace Org.BouncyCastle.Asn1.Cms
 			if (obj is DerGeneralizedTime)
                 return new Time((DerGeneralizedTime)obj);
 
-            throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public string TimeString
diff --git a/crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs b/crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs
index 53c5c706b..dc4ac1a4a 100644
--- a/crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs
+++ b/crypto/src/asn1/cms/ecc/MQVuserKeyingMaterial.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Cms.Ecc
 {
 	public class MQVuserKeyingMaterial
@@ -67,7 +69,7 @@ namespace Org.BouncyCastle.Asn1.Cms.Ecc
 				return new MQVuserKeyingMaterial((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Invalid MQVuserKeyingMaterial: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid MQVuserKeyingMaterial: " + Platform.GetTypeName(obj));
 		}
 		
 		public OriginatorPublicKey EphemeralPublicKey
diff --git a/crypto/src/asn1/crmf/AttributeTypeAndValue.cs b/crypto/src/asn1/crmf/AttributeTypeAndValue.cs
index 823668992..0a4b5bdbe 100644
--- a/crypto/src/asn1/crmf/AttributeTypeAndValue.cs
+++ b/crypto/src/asn1/crmf/AttributeTypeAndValue.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class AttributeTypeAndValue
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new AttributeTypeAndValue((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public AttributeTypeAndValue(
diff --git a/crypto/src/asn1/crmf/CertId.cs b/crypto/src/asn1/crmf/CertId.cs
index 10c2cc8b4..f0cc94691 100644
--- a/crypto/src/asn1/crmf/CertId.cs
+++ b/crypto/src/asn1/crmf/CertId.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Crmf
 {
@@ -24,7 +25,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new CertId((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public static CertId GetInstance(Asn1TaggedObject obj, bool isExplicit)
diff --git a/crypto/src/asn1/crmf/CertReqMessages.cs b/crypto/src/asn1/crmf/CertReqMessages.cs
index 9247281e8..422950b9e 100644
--- a/crypto/src/asn1/crmf/CertReqMessages.cs
+++ b/crypto/src/asn1/crmf/CertReqMessages.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class CertReqMessages
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new CertReqMessages((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public CertReqMessages(params CertReqMsg[] msgs)
diff --git a/crypto/src/asn1/crmf/Controls.cs b/crypto/src/asn1/crmf/Controls.cs
index cc52ea4bb..e8b9f3db0 100644
--- a/crypto/src/asn1/crmf/Controls.cs
+++ b/crypto/src/asn1/crmf/Controls.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class Controls
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new Controls((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public Controls(params AttributeTypeAndValue[] atvs)
diff --git a/crypto/src/asn1/crmf/PKIArchiveOptions.cs b/crypto/src/asn1/crmf/PKIArchiveOptions.cs
index 910f73b22..1813d87a7 100644
--- a/crypto/src/asn1/crmf/PKIArchiveOptions.cs
+++ b/crypto/src/asn1/crmf/PKIArchiveOptions.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class PkiArchiveOptions
@@ -19,7 +21,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1TaggedObject)
                 return new PkiArchiveOptions((Asn1TaggedObject)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         private PkiArchiveOptions(Asn1TaggedObject tagged)
diff --git a/crypto/src/asn1/crmf/PKIPublicationInfo.cs b/crypto/src/asn1/crmf/PKIPublicationInfo.cs
index c8bc1403e..a7d2bc603 100644
--- a/crypto/src/asn1/crmf/PKIPublicationInfo.cs
+++ b/crypto/src/asn1/crmf/PKIPublicationInfo.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class PkiPublicationInfo
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new PkiPublicationInfo((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public virtual DerInteger Action
diff --git a/crypto/src/asn1/crmf/PKMacValue.cs b/crypto/src/asn1/crmf/PKMacValue.cs
index 20a08fd1d..e104c08dd 100644
--- a/crypto/src/asn1/crmf/PKMacValue.cs
+++ b/crypto/src/asn1/crmf/PKMacValue.cs
@@ -2,6 +2,7 @@
 
 using Org.BouncyCastle.Asn1.Cmp;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Crmf
 {
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new PKMacValue((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public static PKMacValue GetInstance(Asn1TaggedObject obj, bool isExplicit)
diff --git a/crypto/src/asn1/crmf/PopoSigningKey.cs b/crypto/src/asn1/crmf/PopoSigningKey.cs
index 614278eda..1c24db8ee 100644
--- a/crypto/src/asn1/crmf/PopoSigningKey.cs
+++ b/crypto/src/asn1/crmf/PopoSigningKey.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Crmf
 {
@@ -37,7 +38,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new PopoSigningKey((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public static PopoSigningKey GetInstance(Asn1TaggedObject obj, bool isExplicit)
diff --git a/crypto/src/asn1/crmf/PopoSigningKeyInput.cs b/crypto/src/asn1/crmf/PopoSigningKeyInput.cs
index 63695262f..e43fa138e 100644
--- a/crypto/src/asn1/crmf/PopoSigningKeyInput.cs
+++ b/crypto/src/asn1/crmf/PopoSigningKeyInput.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Crmf
 {
@@ -40,7 +41,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new PopoSigningKeyInput((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         /** Creates a new PopoSigningKeyInput with sender name as authInfo. */
diff --git a/crypto/src/asn1/crmf/ProofOfPossession.cs b/crypto/src/asn1/crmf/ProofOfPossession.cs
index fc00edb32..8957169d7 100644
--- a/crypto/src/asn1/crmf/ProofOfPossession.cs
+++ b/crypto/src/asn1/crmf/ProofOfPossession.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Crmf
 {
     public class ProofOfPossession
@@ -41,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1TaggedObject)
                 return new ProofOfPossession((Asn1TaggedObject)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         /** Creates a ProofOfPossession with type raVerified. */
diff --git a/crypto/src/asn1/crmf/SinglePubInfo.cs b/crypto/src/asn1/crmf/SinglePubInfo.cs
index eaf8a3efd..5205ce366 100644
--- a/crypto/src/asn1/crmf/SinglePubInfo.cs
+++ b/crypto/src/asn1/crmf/SinglePubInfo.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Crmf
 {
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Crmf
             if (obj is Asn1Sequence)
                 return new SinglePubInfo((Asn1Sequence)obj);
 
-            throw new ArgumentException("Invalid object: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), "obj");
         }
 
         public virtual GeneralName PubLocation
diff --git a/crypto/src/asn1/cryptopro/ECGOST3410ParamSetParameters.cs b/crypto/src/asn1/cryptopro/ECGOST3410ParamSetParameters.cs
index 6f4435d7b..8e568a229 100644
--- a/crypto/src/asn1/cryptopro/ECGOST3410ParamSetParameters.cs
+++ b/crypto/src/asn1/cryptopro/ECGOST3410ParamSetParameters.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.CryptoPro
 {
@@ -30,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.CryptoPro
                 return new ECGost3410ParamSetParameters((Asn1Sequence) obj);
             }
 
-            throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid GOST3410Parameter: " + Platform.GetTypeName(obj));
         }
 
         public ECGost3410ParamSetParameters(
diff --git a/crypto/src/asn1/cryptopro/GOST28147Parameters.cs b/crypto/src/asn1/cryptopro/GOST28147Parameters.cs
index eb7e0e3f6..fc0d792d1 100644
--- a/crypto/src/asn1/cryptopro/GOST28147Parameters.cs
+++ b/crypto/src/asn1/cryptopro/GOST28147Parameters.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.CryptoPro
 {
@@ -31,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.CryptoPro
                 return new Gost28147Parameters((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid GOST3410Parameter: " + Platform.GetTypeName(obj));
         }
 
         private Gost28147Parameters(
diff --git a/crypto/src/asn1/cryptopro/GOST3410ParamSetParameters.cs b/crypto/src/asn1/cryptopro/GOST3410ParamSetParameters.cs
index f133cdf1b..b347f8dbd 100644
--- a/crypto/src/asn1/cryptopro/GOST3410ParamSetParameters.cs
+++ b/crypto/src/asn1/cryptopro/GOST3410ParamSetParameters.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.CryptoPro
 {
@@ -32,7 +32,7 @@ namespace Org.BouncyCastle.Asn1.CryptoPro
                 return new Gost3410ParamSetParameters((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid GOST3410Parameter: " + Platform.GetTypeName(obj));
         }
 
 		public Gost3410ParamSetParameters(
diff --git a/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs b/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
index 8bc1460af..10c45ba4d 100644
--- a/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
+++ b/crypto/src/asn1/cryptopro/GOST3410PublicKeyAlgParameters.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.CryptoPro
 {
@@ -31,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.CryptoPro
                 return new Gost3410PublicKeyAlgParameters((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Invalid GOST3410Parameter: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid GOST3410Parameter: " + Platform.GetTypeName(obj));
         }
 
 		public Gost3410PublicKeyAlgParameters(
diff --git a/crypto/src/asn1/esf/CertificateValues.cs b/crypto/src/asn1/esf/CertificateValues.cs
index e0fb39b83..30a719177 100644
--- a/crypto/src/asn1/esf/CertificateValues.cs
+++ b/crypto/src/asn1/esf/CertificateValues.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CertificateValues' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CommitmentTypeIndication.cs b/crypto/src/asn1/esf/CommitmentTypeIndication.cs
index 8342cbf8d..196a613a6 100644
--- a/crypto/src/asn1/esf/CommitmentTypeIndication.cs
+++ b/crypto/src/asn1/esf/CommitmentTypeIndication.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -21,7 +21,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CommitmentTypeIndication' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CommitmentTypeQualifier.cs b/crypto/src/asn1/esf/CommitmentTypeQualifier.cs
index 09ff70714..30bf0edfc 100644
--- a/crypto/src/asn1/esf/CommitmentTypeQualifier.cs
+++ b/crypto/src/asn1/esf/CommitmentTypeQualifier.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -84,7 +84,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CommitmentTypeQualifier' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CompleteCertificateRefs.cs b/crypto/src/asn1/esf/CompleteCertificateRefs.cs
index 7f1c835c9..af93700be 100644
--- a/crypto/src/asn1/esf/CompleteCertificateRefs.cs
+++ b/crypto/src/asn1/esf/CompleteCertificateRefs.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -27,7 +28,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CompleteCertificateRefs' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CompleteRevocationRefs.cs b/crypto/src/asn1/esf/CompleteRevocationRefs.cs
index 4e1fb403d..348e63fdb 100644
--- a/crypto/src/asn1/esf/CompleteRevocationRefs.cs
+++ b/crypto/src/asn1/esf/CompleteRevocationRefs.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -27,7 +28,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CompleteRevocationRefs' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CrlIdentifier.cs b/crypto/src/asn1/esf/CrlIdentifier.cs
index dfff7d838..96b50e211 100644
--- a/crypto/src/asn1/esf/CrlIdentifier.cs
+++ b/crypto/src/asn1/esf/CrlIdentifier.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -34,7 +35,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CrlIdentifier' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CrlListID.cs b/crypto/src/asn1/esf/CrlListID.cs
index 2aae9b965..fbd4fb27c 100644
--- a/crypto/src/asn1/esf/CrlListID.cs
+++ b/crypto/src/asn1/esf/CrlListID.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -30,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CrlListID' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CrlOcspRef.cs b/crypto/src/asn1/esf/CrlOcspRef.cs
index c8e10d504..6153e0c53 100644
--- a/crypto/src/asn1/esf/CrlOcspRef.cs
+++ b/crypto/src/asn1/esf/CrlOcspRef.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -30,7 +32,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CrlOcspRef' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/CrlValidatedID.cs b/crypto/src/asn1/esf/CrlValidatedID.cs
index 165f547a8..e8cd17a19 100644
--- a/crypto/src/asn1/esf/CrlValidatedID.cs
+++ b/crypto/src/asn1/esf/CrlValidatedID.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -27,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'CrlValidatedID' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OcspIdentifier.cs b/crypto/src/asn1/esf/OcspIdentifier.cs
index 949b68243..e65f1cfe7 100644
--- a/crypto/src/asn1/esf/OcspIdentifier.cs
+++ b/crypto/src/asn1/esf/OcspIdentifier.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.Ocsp;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -32,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OcspIdentifier' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OcspListID.cs b/crypto/src/asn1/esf/OcspListID.cs
index 1f3f3a337..1c8edb16b 100644
--- a/crypto/src/asn1/esf/OcspListID.cs
+++ b/crypto/src/asn1/esf/OcspListID.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -29,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OcspListID' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OcspResponsesID.cs b/crypto/src/asn1/esf/OcspResponsesID.cs
index e09508a01..8718188fc 100644
--- a/crypto/src/asn1/esf/OcspResponsesID.cs
+++ b/crypto/src/asn1/esf/OcspResponsesID.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -28,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OcspResponsesID' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OtherCertID.cs b/crypto/src/asn1/esf/OtherCertID.cs
index 6d1255535..19d173aa2 100644
--- a/crypto/src/asn1/esf/OtherCertID.cs
+++ b/crypto/src/asn1/esf/OtherCertID.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -29,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OtherCertID' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OtherHashAlgAndValue.cs b/crypto/src/asn1/esf/OtherHashAlgAndValue.cs
index b6bd4f498..00eb24c54 100644
--- a/crypto/src/asn1/esf/OtherHashAlgAndValue.cs
+++ b/crypto/src/asn1/esf/OtherHashAlgAndValue.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -34,7 +35,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OtherHashAlgAndValue' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OtherRevRefs.cs b/crypto/src/asn1/esf/OtherRevRefs.cs
index 56713e3f2..446031e5a 100644
--- a/crypto/src/asn1/esf/OtherRevRefs.cs
+++ b/crypto/src/asn1/esf/OtherRevRefs.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -31,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OtherRevRefs' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OtherRevVals.cs b/crypto/src/asn1/esf/OtherRevVals.cs
index b88a1a72a..7b904565a 100644
--- a/crypto/src/asn1/esf/OtherRevVals.cs
+++ b/crypto/src/asn1/esf/OtherRevVals.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -31,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OtherRevVals' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/OtherSigningCertificate.cs b/crypto/src/asn1/esf/OtherSigningCertificate.cs
index 90e385a33..f7b9f5e66 100644
--- a/crypto/src/asn1/esf/OtherSigningCertificate.cs
+++ b/crypto/src/asn1/esf/OtherSigningCertificate.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -31,7 +32,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'OtherSigningCertificate' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/SigPolicyQualifierInfo.cs b/crypto/src/asn1/esf/SigPolicyQualifierInfo.cs
index 2d36bc751..470c5c873 100644
--- a/crypto/src/asn1/esf/SigPolicyQualifierInfo.cs
+++ b/crypto/src/asn1/esf/SigPolicyQualifierInfo.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -29,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'SigPolicyQualifierInfo' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/SignaturePolicyId.cs b/crypto/src/asn1/esf/SignaturePolicyId.cs
index 545be2cf4..7146bb4c1 100644
--- a/crypto/src/asn1/esf/SignaturePolicyId.cs
+++ b/crypto/src/asn1/esf/SignaturePolicyId.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.Esf
@@ -36,7 +37,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'SignaturePolicyId' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/SignaturePolicyIdentifier.cs b/crypto/src/asn1/esf/SignaturePolicyIdentifier.cs
index 3a639f444..12257f2f0 100644
--- a/crypto/src/asn1/esf/SignaturePolicyIdentifier.cs
+++ b/crypto/src/asn1/esf/SignaturePolicyIdentifier.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Esf
 {
 	/// <remarks>
@@ -31,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'SignaturePolicyIdentifier' factory: "
-					+ obj.GetType().Name,
+                    + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/esf/SignerAttribute.cs b/crypto/src/asn1/esf/SignerAttribute.cs
index ddee53c69..39bd910b2 100644
--- a/crypto/src/asn1/esf/SignerAttribute.cs
+++ b/crypto/src/asn1/esf/SignerAttribute.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Esf
 {
@@ -21,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Esf
 
 			throw new ArgumentException(
 				"Unknown object in 'SignerAttribute' factory: "
-				+ obj.GetType().Name,
+                + Platform.GetTypeName(obj),
 				"obj");
 		}
 
diff --git a/crypto/src/asn1/ess/ContentHints.cs b/crypto/src/asn1/ess/ContentHints.cs
index a430fea8d..cfd174b3a 100644
--- a/crypto/src/asn1/ess/ContentHints.cs
+++ b/crypto/src/asn1/ess/ContentHints.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Ess
 {
 	public class ContentHints
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 			}
 
 			throw new ArgumentException("unknown object in 'ContentHints' factory : "
-				+ o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
 		}
 
 		/**
diff --git a/crypto/src/asn1/ess/ContentIdentifier.cs b/crypto/src/asn1/ess/ContentIdentifier.cs
index 8058dcc53..430185e11 100644
--- a/crypto/src/asn1/ess/ContentIdentifier.cs
+++ b/crypto/src/asn1/ess/ContentIdentifier.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Ess
 {
 	public class ContentIdentifier
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 
 			throw new ArgumentException(
 				"unknown object in 'ContentIdentifier' factory : "
-				+ o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
 		}
 
 		/**
diff --git a/crypto/src/asn1/ess/ESSCertID.cs b/crypto/src/asn1/ess/ESSCertID.cs
index 4d449a746..b4465ea4f 100644
--- a/crypto/src/asn1/ess/ESSCertID.cs
+++ b/crypto/src/asn1/ess/ESSCertID.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ess
 {
@@ -25,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 
 			throw new ArgumentException(
 				"unknown object in 'EssCertID' factory : "
-				+ o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
 		}
 
 		/**
diff --git a/crypto/src/asn1/ess/OtherCertID.cs b/crypto/src/asn1/ess/OtherCertID.cs
index 3d221b0ec..7794c81fa 100644
--- a/crypto/src/asn1/ess/OtherCertID.cs
+++ b/crypto/src/asn1/ess/OtherCertID.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Oiw;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ess
 {
@@ -27,7 +28,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 
 			throw new ArgumentException(
 				"unknown object in 'OtherCertID' factory : "
-				+ o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
 		}
 
 		/**
diff --git a/crypto/src/asn1/ess/OtherSigningCertificate.cs b/crypto/src/asn1/ess/OtherSigningCertificate.cs
index c165fecea..6cef92b62 100644
--- a/crypto/src/asn1/ess/OtherSigningCertificate.cs
+++ b/crypto/src/asn1/ess/OtherSigningCertificate.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ess
 {
@@ -25,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 
 			throw new ArgumentException(
 				"unknown object in 'OtherSigningCertificate' factory : "
-				+ o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
 		}
 
 		/**
diff --git a/crypto/src/asn1/ess/SigningCertificate.cs b/crypto/src/asn1/ess/SigningCertificate.cs
index 366749bc3..51f67c1ff 100644
--- a/crypto/src/asn1/ess/SigningCertificate.cs
+++ b/crypto/src/asn1/ess/SigningCertificate.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ess
 {
@@ -24,7 +25,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 
 			throw new ArgumentException(
 				"unknown object in 'SigningCertificate' factory : "
-				+ o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
 		}
 
 		/**
diff --git a/crypto/src/asn1/ess/SigningCertificateV2.cs b/crypto/src/asn1/ess/SigningCertificateV2.cs
index cabecc1ba..91eda9e33 100644
--- a/crypto/src/asn1/ess/SigningCertificateV2.cs
+++ b/crypto/src/asn1/ess/SigningCertificateV2.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ess
 {
@@ -21,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.Ess
 
             throw new ArgumentException(
                 "unknown object in 'SigningCertificateV2' factory : "
-                + o.GetType().Name + ".");
+                + Platform.GetTypeName(o) + ".");
         }
 
         private SigningCertificateV2(
diff --git a/crypto/src/asn1/isismtt/ocsp/CertHash.cs b/crypto/src/asn1/isismtt/ocsp/CertHash.cs
index da5b530e4..5773e1c56 100644
--- a/crypto/src/asn1/isismtt/ocsp/CertHash.cs
+++ b/crypto/src/asn1/isismtt/ocsp/CertHash.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp
 {
@@ -43,7 +44,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp
 				return new CertHash((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/isismtt/ocsp/RequestedCertificate.cs b/crypto/src/asn1/isismtt/ocsp/RequestedCertificate.cs
index 7724bfed6..413b3bd7f 100644
--- a/crypto/src/asn1/isismtt/ocsp/RequestedCertificate.cs
+++ b/crypto/src/asn1/isismtt/ocsp/RequestedCertificate.cs
@@ -1,6 +1,8 @@
 using System;
 using System.IO;
+
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp
 {
@@ -69,7 +71,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.Ocsp
 				return new RequestedCertificate((Asn1TaggedObject) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static RequestedCertificate GetInstance(
diff --git a/crypto/src/asn1/isismtt/x509/AdditionalInformationSyntax.cs b/crypto/src/asn1/isismtt/x509/AdditionalInformationSyntax.cs
index f81d459c6..53a8e98a7 100644
--- a/crypto/src/asn1/isismtt/x509/AdditionalInformationSyntax.cs
+++ b/crypto/src/asn1/isismtt/x509/AdditionalInformationSyntax.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X500;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -26,7 +27,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 			if (obj is IAsn1String)
 				return new AdditionalInformationSyntax(DirectoryString.GetInstance(obj));
 
-			throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private AdditionalInformationSyntax(
diff --git a/crypto/src/asn1/isismtt/x509/AdmissionSyntax.cs b/crypto/src/asn1/isismtt/x509/AdmissionSyntax.cs
index 64b5dbec8..4b6264ae0 100644
--- a/crypto/src/asn1/isismtt/x509/AdmissionSyntax.cs
+++ b/crypto/src/asn1/isismtt/x509/AdmissionSyntax.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -130,7 +131,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
                 return new AdmissionSyntax((Asn1Sequence)obj);
             }
 
-            throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
         /**
diff --git a/crypto/src/asn1/isismtt/x509/Admissions.cs b/crypto/src/asn1/isismtt/x509/Admissions.cs
index 40290c608..e914db0b5 100644
--- a/crypto/src/asn1/isismtt/x509/Admissions.cs
+++ b/crypto/src/asn1/isismtt/x509/Admissions.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -42,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				return new Admissions((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
@@ -103,7 +104,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 			professionInfos = Asn1Sequence.GetInstance(o);
 			if (e.MoveNext())
 			{
-				throw new ArgumentException("Bad object encountered: " + e.Current.GetType().Name);
+                throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(e.Current));
 			}
 		}
 
diff --git a/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs b/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs
index dfac65040..c4ebb2b72 100644
--- a/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs
+++ b/crypto/src/asn1/isismtt/x509/DeclarationOfMajority.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
 	/**
@@ -80,7 +82,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				return new DeclarationOfMajority((Asn1TaggedObject) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private DeclarationOfMajority(
diff --git a/crypto/src/asn1/isismtt/x509/MonetaryLimit.cs b/crypto/src/asn1/isismtt/x509/MonetaryLimit.cs
index 80b6b684b..b792fffda 100644
--- a/crypto/src/asn1/isismtt/x509/MonetaryLimit.cs
+++ b/crypto/src/asn1/isismtt/x509/MonetaryLimit.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -48,7 +49,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				return new MonetaryLimit(Asn1Sequence.GetInstance(obj));
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private MonetaryLimit(
diff --git a/crypto/src/asn1/isismtt/x509/NamingAuthority.cs b/crypto/src/asn1/isismtt/x509/NamingAuthority.cs
index 4262fd0f4..35539f488 100644
--- a/crypto/src/asn1/isismtt/x509/NamingAuthority.cs
+++ b/crypto/src/asn1/isismtt/x509/NamingAuthority.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X500;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -49,7 +50,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				return new NamingAuthority((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static NamingAuthority GetInstance(
@@ -99,7 +100,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				}
 				else
 				{
-					throw new ArgumentException("Bad object encountered: " + o.GetType().Name);
+                    throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(o));
 				}
 			}
 
@@ -116,7 +117,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				}
 				else
 				{
-					throw new ArgumentException("Bad object encountered: " + o.GetType().Name);
+                    throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(o));
 				}
 			}
 
@@ -129,7 +130,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				}
 				else
 				{
-					throw new ArgumentException("Bad object encountered: " + o.GetType().Name);
+                    throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(o));
 				}
 			}
 		}
diff --git a/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs b/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs
index a25df225e..f42364699 100644
--- a/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs
+++ b/crypto/src/asn1/isismtt/x509/ProcurationSyntax.cs
@@ -3,6 +3,7 @@ using System.Collections;
 
 using Org.BouncyCastle.Asn1.X500;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -61,7 +62,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				return new ProcurationSyntax((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs b/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs
index 3bad2cbc4..671a465af 100644
--- a/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs
+++ b/crypto/src/asn1/isismtt/x509/ProfessionInfo.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X500;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -157,7 +158,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				return new ProfessionInfo((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
@@ -218,7 +219,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				}
 				else
 				{
-					throw new ArgumentException("Bad object encountered: " + o.GetType().Name);
+                    throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(o));
 				}
 			}
 
@@ -235,7 +236,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				}
 				else
 				{
-					throw new ArgumentException("Bad object encountered: " + o.GetType().Name);
+                    throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(o));
 				}
 			}
 
@@ -248,7 +249,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 				}
 				else
 				{
-					throw new ArgumentException("Bad object encountered: " + o.GetType().Name);
+                    throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(o));
 				}
 			}
 		}
diff --git a/crypto/src/asn1/isismtt/x509/Restriction.cs b/crypto/src/asn1/isismtt/x509/Restriction.cs
index c97766999..75df25201 100644
--- a/crypto/src/asn1/isismtt/x509/Restriction.cs
+++ b/crypto/src/asn1/isismtt/x509/Restriction.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X500;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 {
@@ -25,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.IsisMtt.X509
 			if (obj is IAsn1String)
 				return new Restriction(DirectoryString.GetInstance(obj));
 
-			throw new ArgumentException("Unknown object in GetInstance: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("Unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/mozilla/PublicKeyAndChallenge.cs b/crypto/src/asn1/mozilla/PublicKeyAndChallenge.cs
index 1e08b809d..ff2a1199f 100644
--- a/crypto/src/asn1/mozilla/PublicKeyAndChallenge.cs
+++ b/crypto/src/asn1/mozilla/PublicKeyAndChallenge.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Mozilla
 {
@@ -38,7 +39,7 @@ namespace Org.BouncyCastle.Asn1.Mozilla
 
 			throw new ArgumentException(
 				"unknown object in 'PublicKeyAndChallenge' factory : "
-				+ obj.GetType().Name + ".");
+                + Platform.GetTypeName(obj) + ".");
 		}
 
 		public PublicKeyAndChallenge(
diff --git a/crypto/src/asn1/ocsp/BasicOCSPResponse.cs b/crypto/src/asn1/ocsp/BasicOCSPResponse.cs
index 064335ae8..e6aa1f86b 100644
--- a/crypto/src/asn1/ocsp/BasicOCSPResponse.cs
+++ b/crypto/src/asn1/ocsp/BasicOCSPResponse.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -33,7 +34,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new BasicOcspResponse((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public BasicOcspResponse(
diff --git a/crypto/src/asn1/ocsp/CertID.cs b/crypto/src/asn1/ocsp/CertID.cs
index 4b251095b..523f6b87c 100644
--- a/crypto/src/asn1/ocsp/CertID.cs
+++ b/crypto/src/asn1/ocsp/CertID.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -33,7 +34,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new CertID((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public CertID(
diff --git a/crypto/src/asn1/ocsp/CertStatus.cs b/crypto/src/asn1/ocsp/CertStatus.cs
index d5b1a94a2..b524364c9 100644
--- a/crypto/src/asn1/ocsp/CertStatus.cs
+++ b/crypto/src/asn1/ocsp/CertStatus.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -64,7 +64,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
                 return new CertStatus((Asn1TaggedObject)obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public int TagNo
diff --git a/crypto/src/asn1/ocsp/OCSPRequest.cs b/crypto/src/asn1/ocsp/OCSPRequest.cs
index 1e804d78e..2407678b4 100644
--- a/crypto/src/asn1/ocsp/OCSPRequest.cs
+++ b/crypto/src/asn1/ocsp/OCSPRequest.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -30,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new OcspRequest((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public OcspRequest(
diff --git a/crypto/src/asn1/ocsp/OCSPResponse.cs b/crypto/src/asn1/ocsp/OCSPResponse.cs
index e9aad8100..9477b61c0 100644
--- a/crypto/src/asn1/ocsp/OCSPResponse.cs
+++ b/crypto/src/asn1/ocsp/OCSPResponse.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -30,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new OcspResponse((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public OcspResponse(
diff --git a/crypto/src/asn1/ocsp/Request.cs b/crypto/src/asn1/ocsp/Request.cs
index 116c15e73..26e81ba70 100644
--- a/crypto/src/asn1/ocsp/Request.cs
+++ b/crypto/src/asn1/ocsp/Request.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -31,7 +32,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new Request((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public Request(
diff --git a/crypto/src/asn1/ocsp/ResponseBytes.cs b/crypto/src/asn1/ocsp/ResponseBytes.cs
index 2ce59faea..d3ea044bf 100644
--- a/crypto/src/asn1/ocsp/ResponseBytes.cs
+++ b/crypto/src/asn1/ocsp/ResponseBytes.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -30,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new ResponseBytes((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public ResponseBytes(
diff --git a/crypto/src/asn1/ocsp/ResponseData.cs b/crypto/src/asn1/ocsp/ResponseData.cs
index 173829db8..70620cbc3 100644
--- a/crypto/src/asn1/ocsp/ResponseData.cs
+++ b/crypto/src/asn1/ocsp/ResponseData.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -37,7 +37,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new ResponseData((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public ResponseData(
diff --git a/crypto/src/asn1/ocsp/RevokedInfo.cs b/crypto/src/asn1/ocsp/RevokedInfo.cs
index 7d9d590e3..ee9e55429 100644
--- a/crypto/src/asn1/ocsp/RevokedInfo.cs
+++ b/crypto/src/asn1/ocsp/RevokedInfo.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -31,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new RevokedInfo((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public RevokedInfo(
diff --git a/crypto/src/asn1/ocsp/ServiceLocator.cs b/crypto/src/asn1/ocsp/ServiceLocator.cs
index 56bc49ded..4ba252be3 100644
--- a/crypto/src/asn1/ocsp/ServiceLocator.cs
+++ b/crypto/src/asn1/ocsp/ServiceLocator.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -31,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new ServiceLocator((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public ServiceLocator(
diff --git a/crypto/src/asn1/ocsp/Signature.cs b/crypto/src/asn1/ocsp/Signature.cs
index df6f43332..d6b4ccfbf 100644
--- a/crypto/src/asn1/ocsp/Signature.cs
+++ b/crypto/src/asn1/ocsp/Signature.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
@@ -32,7 +32,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new Signature((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public Signature(
diff --git a/crypto/src/asn1/ocsp/SingleResponse.cs b/crypto/src/asn1/ocsp/SingleResponse.cs
index 93d4c21d6..544232abe 100644
--- a/crypto/src/asn1/ocsp/SingleResponse.cs
+++ b/crypto/src/asn1/ocsp/SingleResponse.cs
@@ -1,8 +1,8 @@
-using Org.BouncyCastle.Asn1;
-using Org.BouncyCastle.Asn1.X509;
-
 using System;
 
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
     public class SingleResponse
@@ -77,7 +77,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
                 return new SingleResponse((Asn1Sequence)obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public CertID CertId
diff --git a/crypto/src/asn1/ocsp/TBSRequest.cs b/crypto/src/asn1/ocsp/TBSRequest.cs
index 6bf75eb96..1ad8649f8 100644
--- a/crypto/src/asn1/ocsp/TBSRequest.cs
+++ b/crypto/src/asn1/ocsp/TBSRequest.cs
@@ -1,8 +1,8 @@
-using Org.BouncyCastle.Asn1;
-using Org.BouncyCastle.Asn1.X509;
-
 using System;
 
+using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Ocsp
 {
     public class TbsRequest
@@ -37,7 +37,7 @@ namespace Org.BouncyCastle.Asn1.Ocsp
 				return new TbsRequest((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public TbsRequest(
diff --git a/crypto/src/asn1/pkcs/Attribute.cs b/crypto/src/asn1/pkcs/Attribute.cs
index ceec115bd..185828596 100644
--- a/crypto/src/asn1/pkcs/Attribute.cs
+++ b/crypto/src/asn1/pkcs/Attribute.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -31,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new AttributePkcs(seq);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private AttributePkcs(
diff --git a/crypto/src/asn1/pkcs/CertificationRequestInfo.cs b/crypto/src/asn1/pkcs/CertificationRequestInfo.cs
index 690d06878..d57753235 100644
--- a/crypto/src/asn1/pkcs/CertificationRequestInfo.cs
+++ b/crypto/src/asn1/pkcs/CertificationRequestInfo.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -43,7 +44,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new CertificationRequestInfo((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public CertificationRequestInfo(
diff --git a/crypto/src/asn1/pkcs/EncryptedData.cs b/crypto/src/asn1/pkcs/EncryptedData.cs
index 912064ace..7e95eb586 100644
--- a/crypto/src/asn1/pkcs/EncryptedData.cs
+++ b/crypto/src/asn1/pkcs/EncryptedData.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -42,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
 				return new EncryptedData((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private EncryptedData(
diff --git a/crypto/src/asn1/pkcs/EncryptedPrivateKeyInfo.cs b/crypto/src/asn1/pkcs/EncryptedPrivateKeyInfo.cs
index b97b8f5ea..987027009 100644
--- a/crypto/src/asn1/pkcs/EncryptedPrivateKeyInfo.cs
+++ b/crypto/src/asn1/pkcs/EncryptedPrivateKeyInfo.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -42,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
 				return new EncryptedPrivateKeyInfo((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public AlgorithmIdentifier EncryptionAlgorithm
diff --git a/crypto/src/asn1/pkcs/EncryptionScheme.cs b/crypto/src/asn1/pkcs/EncryptionScheme.cs
index ff9103d12..7b90ece53 100644
--- a/crypto/src/asn1/pkcs/EncryptionScheme.cs
+++ b/crypto/src/asn1/pkcs/EncryptionScheme.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -33,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
 				return new EncryptionScheme((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public Asn1Object Asn1Object
diff --git a/crypto/src/asn1/pkcs/IssuerAndSerialNumber.cs b/crypto/src/asn1/pkcs/IssuerAndSerialNumber.cs
index ff608f15b..da863cb62 100644
--- a/crypto/src/asn1/pkcs/IssuerAndSerialNumber.cs
+++ b/crypto/src/asn1/pkcs/IssuerAndSerialNumber.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -24,7 +25,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new IssuerAndSerialNumber((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private IssuerAndSerialNumber(
diff --git a/crypto/src/asn1/pkcs/MacData.cs b/crypto/src/asn1/pkcs/MacData.cs
index 780b24153..c4b7df176 100644
--- a/crypto/src/asn1/pkcs/MacData.cs
+++ b/crypto/src/asn1/pkcs/MacData.cs
@@ -1,8 +1,8 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new MacData((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private MacData(
diff --git a/crypto/src/asn1/pkcs/PBEParameter.cs b/crypto/src/asn1/pkcs/PBEParameter.cs
index 80d5ec3e1..56cea5fb7 100644
--- a/crypto/src/asn1/pkcs/PBEParameter.cs
+++ b/crypto/src/asn1/pkcs/PBEParameter.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -24,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
 				return new PbeParameter((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private PbeParameter(Asn1Sequence seq)
diff --git a/crypto/src/asn1/pkcs/PBKDF2Params.cs b/crypto/src/asn1/pkcs/PBKDF2Params.cs
index 5d1e9854f..279f30de8 100644
--- a/crypto/src/asn1/pkcs/PBKDF2Params.cs
+++ b/crypto/src/asn1/pkcs/PBKDF2Params.cs
@@ -1,6 +1,8 @@
 using System;
+
 using Org.BouncyCastle.Asn1.X509;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
             if (obj is Asn1Sequence)
                 return new Pbkdf2Params((Asn1Sequence)obj);
 
-            throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+            throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
         public Pbkdf2Params(
diff --git a/crypto/src/asn1/pkcs/PKCS12PBEParams.cs b/crypto/src/asn1/pkcs/PKCS12PBEParams.cs
index 7521f93ea..b41c289d8 100644
--- a/crypto/src/asn1/pkcs/PKCS12PBEParams.cs
+++ b/crypto/src/asn1/pkcs/PKCS12PBEParams.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -42,7 +42,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new Pkcs12PbeParams((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public BigInteger Iterations
diff --git a/crypto/src/asn1/pkcs/RC2CBCParameter.cs b/crypto/src/asn1/pkcs/RC2CBCParameter.cs
index f5355d012..880ca7443 100644
--- a/crypto/src/asn1/pkcs/RC2CBCParameter.cs
+++ b/crypto/src/asn1/pkcs/RC2CBCParameter.cs
@@ -1,6 +1,5 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Math;
 using Org.BouncyCastle.Utilities;
 
@@ -20,7 +19,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new RC2CbcParameter((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public RC2CbcParameter(
diff --git a/crypto/src/asn1/pkcs/RSAESOAEPparams.cs b/crypto/src/asn1/pkcs/RSAESOAEPparams.cs
index 5ecb394fd..0cf22f860 100644
--- a/crypto/src/asn1/pkcs/RSAESOAEPparams.cs
+++ b/crypto/src/asn1/pkcs/RSAESOAEPparams.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Oiw;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
 				return new RsaesOaepParameters((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/pkcs/RSASSAPSSparams.cs b/crypto/src/asn1/pkcs/RSASSAPSSparams.cs
index 941620761..85849c362 100644
--- a/crypto/src/asn1/pkcs/RSASSAPSSparams.cs
+++ b/crypto/src/asn1/pkcs/RSASSAPSSparams.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Asn1.Oiw;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -31,7 +32,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
 				return new RsassaPssParameters((Asn1Sequence)obj);
 			}
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/pkcs/SignerInfo.cs b/crypto/src/asn1/pkcs/SignerInfo.cs
index 1e4694547..a3dc48b5b 100644
--- a/crypto/src/asn1/pkcs/SignerInfo.cs
+++ b/crypto/src/asn1/pkcs/SignerInfo.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Pkcs
 {
@@ -33,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.Pkcs
                 return new SignerInfo((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Unknown object in factory: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public SignerInfo(
diff --git a/crypto/src/asn1/smime/SMIMECapabilities.cs b/crypto/src/asn1/smime/SMIMECapabilities.cs
index 6435caf68..5bf48f321 100644
--- a/crypto/src/asn1/smime/SMIMECapabilities.cs
+++ b/crypto/src/asn1/smime/SMIMECapabilities.cs
@@ -62,7 +62,7 @@ namespace Org.BouncyCastle.Asn1.Smime
                     (Asn1Sequence)(((AttributeX509) obj).AttrValues[0]));
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public SmimeCapabilities(
diff --git a/crypto/src/asn1/tsp/Accuracy.cs b/crypto/src/asn1/tsp/Accuracy.cs
index a193f52ff..9f2c7e8cc 100644
--- a/crypto/src/asn1/tsp/Accuracy.cs
+++ b/crypto/src/asn1/tsp/Accuracy.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.Tsp
 {
 	public class Accuracy
@@ -97,7 +99,7 @@ namespace Org.BouncyCastle.Asn1.Tsp
 			}
 
 			throw new ArgumentException(
-				"Unknown object in 'Accuracy' factory: " + o.GetType().FullName);
+				"Unknown object in 'Accuracy' factory: " + Platform.GetTypeName(o));
 		}
 
 		public DerInteger Seconds
diff --git a/crypto/src/asn1/tsp/MessageImprint.cs b/crypto/src/asn1/tsp/MessageImprint.cs
index 0933bae21..44ef7d177 100644
--- a/crypto/src/asn1/tsp/MessageImprint.cs
+++ b/crypto/src/asn1/tsp/MessageImprint.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Tsp
 {
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Tsp
 			}
 
 			throw new ArgumentException(
-				"Unknown object in 'MessageImprint' factory: " + o.GetType().FullName);
+				"Unknown object in 'MessageImprint' factory: " + Platform.GetTypeName(o));
 		}
 
 		private MessageImprint(
diff --git a/crypto/src/asn1/tsp/TSTInfo.cs b/crypto/src/asn1/tsp/TSTInfo.cs
index 61d5399c7..89f3e8b38 100644
--- a/crypto/src/asn1/tsp/TSTInfo.cs
+++ b/crypto/src/asn1/tsp/TSTInfo.cs
@@ -3,6 +3,7 @@ using System.Collections;
 using System.IO;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Tsp
 {
@@ -48,7 +49,7 @@ namespace Org.BouncyCastle.Asn1.Tsp
 			}
 
 			throw new ArgumentException(
-				"Unknown object in 'TstInfo' factory: " + o.GetType().FullName);
+				"Unknown object in 'TstInfo' factory: " + Platform.GetTypeName(o));
 		}
 
 		private TstInfo(
diff --git a/crypto/src/asn1/tsp/TimeStampReq.cs b/crypto/src/asn1/tsp/TimeStampReq.cs
index 55e973e76..5b05f3369 100644
--- a/crypto/src/asn1/tsp/TimeStampReq.cs
+++ b/crypto/src/asn1/tsp/TimeStampReq.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Tsp
 {
@@ -28,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.Tsp
 			}
 
 			throw new ArgumentException(
-				"Unknown object in 'TimeStampReq' factory: " + o.GetType().FullName);
+				"Unknown object in 'TimeStampReq' factory: " + Platform.GetTypeName(o));
 		}
 
 		private TimeStampReq(
diff --git a/crypto/src/asn1/tsp/TimeStampResp.cs b/crypto/src/asn1/tsp/TimeStampResp.cs
index f26fb30bd..b91026064 100644
--- a/crypto/src/asn1/tsp/TimeStampResp.cs
+++ b/crypto/src/asn1/tsp/TimeStampResp.cs
@@ -1,8 +1,8 @@
 using System;
-using System.Collections;
 
 using Org.BouncyCastle.Asn1.Cmp;
 using Org.BouncyCastle.Asn1.Cms;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.Tsp
 {
@@ -26,7 +26,7 @@ namespace Org.BouncyCastle.Asn1.Tsp
 			}
 
 			throw new ArgumentException(
-				"Unknown object in 'TimeStampResp' factory: " + o.GetType().FullName);
+				"Unknown object in 'TimeStampResp' factory: " + Platform.GetTypeName(o));
 		}
 
 		private TimeStampResp(
diff --git a/crypto/src/asn1/x500/DirectoryString.cs b/crypto/src/asn1/x500/DirectoryString.cs
index 78ecc2663..d907c6456 100644
--- a/crypto/src/asn1/x500/DirectoryString.cs
+++ b/crypto/src/asn1/x500/DirectoryString.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X500
 {
 	public class DirectoryString
@@ -27,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.X500
 				}
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static DirectoryString GetInstance(
diff --git a/crypto/src/asn1/x509/AccessDescription.cs b/crypto/src/asn1/x509/AccessDescription.cs
index 09b5b5920..47374be8f 100644
--- a/crypto/src/asn1/x509/AccessDescription.cs
+++ b/crypto/src/asn1/x509/AccessDescription.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -28,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.X509
 			if (obj is Asn1Sequence)
 				return new AccessDescription((Asn1Sequence) obj);
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private AccessDescription(
diff --git a/crypto/src/asn1/x509/AttCertIssuer.cs b/crypto/src/asn1/x509/AttCertIssuer.cs
index e9314fa92..407c4ae7a 100644
--- a/crypto/src/asn1/x509/AttCertIssuer.cs
+++ b/crypto/src/asn1/x509/AttCertIssuer.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -34,7 +34,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new AttCertIssuer(GeneralNames.GetInstance(obj));
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static AttCertIssuer GetInstance(
diff --git a/crypto/src/asn1/x509/AttCertValidityPeriod.cs b/crypto/src/asn1/x509/AttCertValidityPeriod.cs
index 7f86cd0b8..d31e07402 100644
--- a/crypto/src/asn1/x509/AttCertValidityPeriod.cs
+++ b/crypto/src/asn1/x509/AttCertValidityPeriod.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -23,7 +23,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new AttCertValidityPeriod((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static AttCertValidityPeriod GetInstance(
diff --git a/crypto/src/asn1/x509/Attribute.cs b/crypto/src/asn1/x509/Attribute.cs
index d26db93e9..da59b4285 100644
--- a/crypto/src/asn1/x509/Attribute.cs
+++ b/crypto/src/asn1/x509/Attribute.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -29,7 +29,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new AttributeX509((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private AttributeX509(
diff --git a/crypto/src/asn1/x509/AttributeCertificateInfo.cs b/crypto/src/asn1/x509/AttributeCertificateInfo.cs
index dcef3d472..526f8e69b 100644
--- a/crypto/src/asn1/x509/AttributeCertificateInfo.cs
+++ b/crypto/src/asn1/x509/AttributeCertificateInfo.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -37,7 +37,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new AttributeCertificateInfo((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private AttributeCertificateInfo(
diff --git a/crypto/src/asn1/x509/AuthorityKeyIdentifier.cs b/crypto/src/asn1/x509/AuthorityKeyIdentifier.cs
index 12ccacfc7..d5a9048cc 100644
--- a/crypto/src/asn1/x509/AuthorityKeyIdentifier.cs
+++ b/crypto/src/asn1/x509/AuthorityKeyIdentifier.cs
@@ -1,10 +1,10 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.Crypto.Digests;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -54,7 +54,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		protected internal AuthorityKeyIdentifier(
diff --git a/crypto/src/asn1/x509/BasicConstraints.cs b/crypto/src/asn1/x509/BasicConstraints.cs
index 522cb61cc..098801f22 100644
--- a/crypto/src/asn1/x509/BasicConstraints.cs
+++ b/crypto/src/asn1/x509/BasicConstraints.cs
@@ -1,7 +1,7 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -36,7 +36,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private BasicConstraints(
diff --git a/crypto/src/asn1/x509/CRLDistPoint.cs b/crypto/src/asn1/x509/CRLDistPoint.cs
index 2b5c19798..56ba79ca5 100644
--- a/crypto/src/asn1/x509/CRLDistPoint.cs
+++ b/crypto/src/asn1/x509/CRLDistPoint.cs
@@ -30,7 +30,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new CrlDistPoint((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private CrlDistPoint(
diff --git a/crypto/src/asn1/x509/CertificatePair.cs b/crypto/src/asn1/x509/CertificatePair.cs
index 8baa64719..da9236010 100644
--- a/crypto/src/asn1/x509/CertificatePair.cs
+++ b/crypto/src/asn1/x509/CertificatePair.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -53,7 +55,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new CertificatePair((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/DSAParameter.cs b/crypto/src/asn1/x509/DSAParameter.cs
index b2b325f4d..2eb65024b 100644
--- a/crypto/src/asn1/x509/DSAParameter.cs
+++ b/crypto/src/asn1/x509/DSAParameter.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -30,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new DsaParameter((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Invalid DsaParameter: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid DsaParameter: " + Platform.GetTypeName(obj));
         }
 
 		public DsaParameter(
diff --git a/crypto/src/asn1/x509/DigestInfo.cs b/crypto/src/asn1/x509/DigestInfo.cs
index 1dec227fa..3ac535e2e 100644
--- a/crypto/src/asn1/x509/DigestInfo.cs
+++ b/crypto/src/asn1/x509/DigestInfo.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
     /**
@@ -37,7 +39,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new DigestInfo((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public DigestInfo(
diff --git a/crypto/src/asn1/x509/DisplayText.cs b/crypto/src/asn1/x509/DisplayText.cs
index 699f39031..39b3c98d7 100644
--- a/crypto/src/asn1/x509/DisplayText.cs
+++ b/crypto/src/asn1/x509/DisplayText.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -151,7 +153,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return (DisplayText) obj;
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public override Asn1Object ToAsn1Object()
diff --git a/crypto/src/asn1/x509/DistributionPoint.cs b/crypto/src/asn1/x509/DistributionPoint.cs
index ad1d3989e..40814c7a8 100644
--- a/crypto/src/asn1/x509/DistributionPoint.cs
+++ b/crypto/src/asn1/x509/DistributionPoint.cs
@@ -42,7 +42,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new DistributionPoint((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Invalid DistributionPoint: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid DistributionPoint: " + Platform.GetTypeName(obj));
         }
 
 		private DistributionPoint(
diff --git a/crypto/src/asn1/x509/DistributionPointName.cs b/crypto/src/asn1/x509/DistributionPointName.cs
index 1a9d24241..43fdaf533 100644
--- a/crypto/src/asn1/x509/DistributionPointName.cs
+++ b/crypto/src/asn1/x509/DistributionPointName.cs
@@ -43,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new DistributionPointName((Asn1TaggedObject) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
         public DistributionPointName(
diff --git a/crypto/src/asn1/x509/ExtendedKeyUsage.cs b/crypto/src/asn1/x509/ExtendedKeyUsage.cs
index 9b1400db9..8f7e6a353 100644
--- a/crypto/src/asn1/x509/ExtendedKeyUsage.cs
+++ b/crypto/src/asn1/x509/ExtendedKeyUsage.cs
@@ -42,7 +42,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
             }
 
-            throw new ArgumentException("Invalid ExtendedKeyUsage: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid ExtendedKeyUsage: " + Platform.GetTypeName(obj));
         }
 
         private ExtendedKeyUsage(
diff --git a/crypto/src/asn1/x509/GeneralName.cs b/crypto/src/asn1/x509/GeneralName.cs
index 16096623c..b8794ea8f 100644
--- a/crypto/src/asn1/x509/GeneralName.cs
+++ b/crypto/src/asn1/x509/GeneralName.cs
@@ -203,7 +203,7 @@ namespace Org.BouncyCastle.Asn1.X509
 	            }
 	        }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static GeneralName GetInstance(
diff --git a/crypto/src/asn1/x509/GeneralNames.cs b/crypto/src/asn1/x509/GeneralNames.cs
index 6c5c8e690..fcd2ecb24 100644
--- a/crypto/src/asn1/x509/GeneralNames.cs
+++ b/crypto/src/asn1/x509/GeneralNames.cs
@@ -23,7 +23,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new GeneralNames((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static GeneralNames GetInstance(
diff --git a/crypto/src/asn1/x509/Holder.cs b/crypto/src/asn1/x509/Holder.cs
index d04f1cb60..6e5315b80 100644
--- a/crypto/src/asn1/x509/Holder.cs
+++ b/crypto/src/asn1/x509/Holder.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -58,7 +60,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new Holder((Asn1TaggedObject) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/IssuerSerial.cs b/crypto/src/asn1/x509/IssuerSerial.cs
index 6a24e7333..1e47e022b 100644
--- a/crypto/src/asn1/x509/IssuerSerial.cs
+++ b/crypto/src/asn1/x509/IssuerSerial.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
     public class IssuerSerial
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new IssuerSerial((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
         public static IssuerSerial GetInstance(
diff --git a/crypto/src/asn1/x509/IssuingDistributionPoint.cs b/crypto/src/asn1/x509/IssuingDistributionPoint.cs
index 3af0d565f..8e9362b90 100644
--- a/crypto/src/asn1/x509/IssuingDistributionPoint.cs
+++ b/crypto/src/asn1/x509/IssuingDistributionPoint.cs
@@ -48,7 +48,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new IssuingDistributionPoint((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/NameConstraints.cs b/crypto/src/asn1/x509/NameConstraints.cs
index c178f5b45..0c5fea8b3 100644
--- a/crypto/src/asn1/x509/NameConstraints.cs
+++ b/crypto/src/asn1/x509/NameConstraints.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	public class NameConstraints
@@ -21,7 +23,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new NameConstraints((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public NameConstraints(
diff --git a/crypto/src/asn1/x509/ObjectDigestInfo.cs b/crypto/src/asn1/x509/ObjectDigestInfo.cs
index 6d5b9c692..9cd9a5f4c 100644
--- a/crypto/src/asn1/x509/ObjectDigestInfo.cs
+++ b/crypto/src/asn1/x509/ObjectDigestInfo.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -58,7 +60,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new ObjectDigestInfo((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public static ObjectDigestInfo GetInstance(
diff --git a/crypto/src/asn1/x509/PrivateKeyUsagePeriod.cs b/crypto/src/asn1/x509/PrivateKeyUsagePeriod.cs
index ad2961eb0..a3d7a3608 100644
--- a/crypto/src/asn1/x509/PrivateKeyUsagePeriod.cs
+++ b/crypto/src/asn1/x509/PrivateKeyUsagePeriod.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/// <remarks>
@@ -31,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
 			}
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private DerGeneralizedTime _notBefore, _notAfter;
diff --git a/crypto/src/asn1/x509/RSAPublicKeyStructure.cs b/crypto/src/asn1/x509/RSAPublicKeyStructure.cs
index bdcba783e..20fdd96ac 100644
--- a/crypto/src/asn1/x509/RSAPublicKeyStructure.cs
+++ b/crypto/src/asn1/x509/RSAPublicKeyStructure.cs
@@ -1,9 +1,10 @@
-using Org.BouncyCastle.Asn1;
-using Org.BouncyCastle.Math;
-
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
     public class RsaPublicKeyStructure
@@ -32,7 +33,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new RsaPublicKeyStructure((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("Invalid RsaPublicKeyStructure: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid RsaPublicKeyStructure: " + Platform.GetTypeName(obj));
         }
 
 		public RsaPublicKeyStructure(
diff --git a/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs b/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
index c76d94d78..77923e0d2 100644
--- a/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
+++ b/crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
@@ -43,7 +43,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new SubjectDirectoryAttributes((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/SubjectKeyIdentifier.cs b/crypto/src/asn1/x509/SubjectKeyIdentifier.cs
index e640760f3..f2e6cc006 100644
--- a/crypto/src/asn1/x509/SubjectKeyIdentifier.cs
+++ b/crypto/src/asn1/x509/SubjectKeyIdentifier.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.Crypto.Digests;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509
 {
@@ -46,7 +47,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
 			}
 
-			throw new ArgumentException("Invalid SubjectKeyIdentifier: " + obj.GetType().Name);
+            throw new ArgumentException("Invalid SubjectKeyIdentifier: " + Platform.GetTypeName(obj));
         }
 
 		public SubjectKeyIdentifier(
diff --git a/crypto/src/asn1/x509/TBSCertList.cs b/crypto/src/asn1/x509/TBSCertList.cs
index b5934a230..5767a7f21 100644
--- a/crypto/src/asn1/x509/TBSCertList.cs
+++ b/crypto/src/asn1/x509/TBSCertList.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Collections;
 
 namespace Org.BouncyCastle.Asn1.X509
@@ -155,7 +156,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return new TbsCertificateList((Asn1Sequence) obj);
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
 		internal TbsCertificateList(
diff --git a/crypto/src/asn1/x509/Target.cs b/crypto/src/asn1/x509/Target.cs
index 309b28c95..7c4f9db7e 100644
--- a/crypto/src/asn1/x509/Target.cs
+++ b/crypto/src/asn1/x509/Target.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -53,7 +55,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new Target((Asn1TaggedObject) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/TargetInformation.cs b/crypto/src/asn1/x509/TargetInformation.cs
index 75b18c0c9..2bf218977 100644
--- a/crypto/src/asn1/x509/TargetInformation.cs
+++ b/crypto/src/asn1/x509/TargetInformation.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -38,7 +40,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new TargetInformation((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/Targets.cs b/crypto/src/asn1/x509/Targets.cs
index 3e436d8d8..0387e1f6b 100644
--- a/crypto/src/asn1/x509/Targets.cs
+++ b/crypto/src/asn1/x509/Targets.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
 	/**
@@ -52,7 +54,7 @@ namespace Org.BouncyCastle.Asn1.X509
 				return new Targets((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/Time.cs b/crypto/src/asn1/x509/Time.cs
index ffe293521..fa3936d63 100644
--- a/crypto/src/asn1/x509/Time.cs
+++ b/crypto/src/asn1/x509/Time.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Globalization;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X509
 {
     public class Time
@@ -62,7 +64,7 @@ namespace Org.BouncyCastle.Asn1.X509
             if (obj is DerGeneralizedTime)
                 return new Time((DerGeneralizedTime)obj);
 
-            throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
         }
 
         public string GetTime()
diff --git a/crypto/src/asn1/x509/X509Extensions.cs b/crypto/src/asn1/x509/X509Extensions.cs
index 1896450f5..2ef73f629 100644
--- a/crypto/src/asn1/x509/X509Extensions.cs
+++ b/crypto/src/asn1/x509/X509Extensions.cs
@@ -192,7 +192,7 @@ namespace Org.BouncyCastle.Asn1.X509
                 return GetInstance(((Asn1TaggedObject) obj).GetObject());
             }
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x509/qualified/BiometricData.cs b/crypto/src/asn1/x509/qualified/BiometricData.cs
index 61d7c99cb..bb70c342c 100644
--- a/crypto/src/asn1/x509/qualified/BiometricData.cs
+++ b/crypto/src/asn1/x509/qualified/BiometricData.cs
@@ -1,8 +1,6 @@
 using System;
-using System.Collections;
 
-using Org.BouncyCastle.Asn1;
-using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.Qualified
 {
@@ -37,7 +35,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
 				return new BiometricData(Asn1Sequence.GetInstance(obj));
             }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private BiometricData(
diff --git a/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs b/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs
index 3300562c8..9ec88f5ed 100644
--- a/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs
+++ b/crypto/src/asn1/x509/qualified/Iso4217CurrencyCode.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.Qualified
 {
@@ -45,7 +45,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
                 return new Iso4217CurrencyCode(alphabetic.GetString());
             }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
         }
 
 		public Iso4217CurrencyCode(
@@ -53,7 +53,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
         {
             if (numeric > NumericMaxSize || numeric < NumericMinSize)
             {
-                throw new ArgumentException("wrong size in numeric code : not in (" +NumericMinSize +".."+ NumericMaxSize +")");
+                throw new ArgumentException("wrong size in numeric code : not in (" + NumericMinSize + ".." + NumericMaxSize + ")");
             }
 
 			obj = new DerInteger(numeric);
diff --git a/crypto/src/asn1/x509/qualified/MonetaryValue.cs b/crypto/src/asn1/x509/qualified/MonetaryValue.cs
index 45e113671..d703de943 100644
--- a/crypto/src/asn1/x509/qualified/MonetaryValue.cs
+++ b/crypto/src/asn1/x509/qualified/MonetaryValue.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.Qualified
 {
@@ -36,7 +36,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
                 return new MonetaryValue(Asn1Sequence.GetInstance(obj));
             }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private MonetaryValue(
diff --git a/crypto/src/asn1/x509/qualified/QCStatement.cs b/crypto/src/asn1/x509/qualified/QCStatement.cs
index 317f03447..a8e214cbf 100644
--- a/crypto/src/asn1/x509/qualified/QCStatement.cs
+++ b/crypto/src/asn1/x509/qualified/QCStatement.cs
@@ -1,7 +1,6 @@
 using System;
-using System.Collections;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.Qualified
 {
@@ -32,7 +31,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
 				return new QCStatement(Asn1Sequence.GetInstance(obj));
             }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		private QCStatement(
diff --git a/crypto/src/asn1/x509/qualified/SemanticsInformation.cs b/crypto/src/asn1/x509/qualified/SemanticsInformation.cs
index 72e7cd0e1..5fe5f936c 100644
--- a/crypto/src/asn1/x509/qualified/SemanticsInformation.cs
+++ b/crypto/src/asn1/x509/qualified/SemanticsInformation.cs
@@ -1,8 +1,8 @@
 using System;
 using System.Collections;
 
-using Org.BouncyCastle.Asn1;
 using Org.BouncyCastle.Asn1.X509;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.Qualified
 {
@@ -39,7 +39,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
                 return new SemanticsInformation(Asn1Sequence.GetInstance(obj));
             }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public SemanticsInformation(
diff --git a/crypto/src/asn1/x509/qualified/TypeOfBiometricData.cs b/crypto/src/asn1/x509/qualified/TypeOfBiometricData.cs
index a77e54acb..17b7841c3 100644
--- a/crypto/src/asn1/x509/qualified/TypeOfBiometricData.cs
+++ b/crypto/src/asn1/x509/qualified/TypeOfBiometricData.cs
@@ -1,6 +1,6 @@
 using System;
 
-using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.Qualified
 {
@@ -46,7 +46,7 @@ namespace Org.BouncyCastle.Asn1.X509.Qualified
                 return new TypeOfBiometricData(BiometricDataOid);
             }
 
-			throw new ArgumentException("unknown object in GetInstance: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("unknown object in GetInstance: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public TypeOfBiometricData(
diff --git a/crypto/src/asn1/x509/sigi/NameOrPseudonym.cs b/crypto/src/asn1/x509/sigi/NameOrPseudonym.cs
index 222895cf1..2402e3832 100644
--- a/crypto/src/asn1/x509/sigi/NameOrPseudonym.cs
+++ b/crypto/src/asn1/x509/sigi/NameOrPseudonym.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 
 using Org.BouncyCastle.Asn1.X500;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.SigI
 {
@@ -46,7 +47,7 @@ namespace Org.BouncyCastle.Asn1.X509.SigI
 				return new NameOrPseudonym((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
@@ -95,7 +96,7 @@ namespace Org.BouncyCastle.Asn1.X509.SigI
 				throw new ArgumentException("Bad sequence size: " + seq.Count);
 
 			if (!(seq[0] is IAsn1String))
-				throw new ArgumentException("Bad object encountered: " + seq[0].GetType().Name);
+                throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(seq[0]));
 
 			surname = DirectoryString.GetInstance(seq[0]);
 			givenName = Asn1Sequence.GetInstance(seq[1]);
diff --git a/crypto/src/asn1/x509/sigi/PersonalData.cs b/crypto/src/asn1/x509/sigi/PersonalData.cs
index 6acdc7308..dba345c42 100644
--- a/crypto/src/asn1/x509/sigi/PersonalData.cs
+++ b/crypto/src/asn1/x509/sigi/PersonalData.cs
@@ -3,6 +3,7 @@ using System.Collections;
 
 using Org.BouncyCastle.Asn1.X500;
 using Org.BouncyCastle.Math;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Asn1.X509.SigI
 {
@@ -47,7 +48,7 @@ namespace Org.BouncyCastle.Asn1.X509.SigI
 				return new PersonalData((Asn1Sequence) obj);
 			}
 
-			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+            throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		/**
diff --git a/crypto/src/asn1/x9/DHDomainParameters.cs b/crypto/src/asn1/x9/DHDomainParameters.cs
index 8de869694..b8c1ac030 100644
--- a/crypto/src/asn1/x9/DHDomainParameters.cs
+++ b/crypto/src/asn1/x9/DHDomainParameters.cs
@@ -1,6 +1,8 @@
 using System;
 using System.Collections;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X9
 {
 	public class DHDomainParameters
@@ -22,7 +24,7 @@ namespace Org.BouncyCastle.Asn1.X9
 			if (obj is Asn1Sequence)
 				return new DHDomainParameters((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid DHDomainParameters: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Invalid DHDomainParameters: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public DHDomainParameters(DerInteger p, DerInteger g, DerInteger q, DerInteger j,
diff --git a/crypto/src/asn1/x9/DHPublicKey.cs b/crypto/src/asn1/x9/DHPublicKey.cs
index 1a20a8a16..74a14a2ee 100644
--- a/crypto/src/asn1/x9/DHPublicKey.cs
+++ b/crypto/src/asn1/x9/DHPublicKey.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X9
 {
 	public class DHPublicKey
@@ -20,7 +22,7 @@ namespace Org.BouncyCastle.Asn1.X9
 			if (obj is DerInteger)
 				return new DHPublicKey((DerInteger)obj);
 
-			throw new ArgumentException("Invalid DHPublicKey: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Invalid DHPublicKey: " + Platform.GetTypeName(obj), "obj");
 		}
 
 		public DHPublicKey(DerInteger y)
diff --git a/crypto/src/asn1/x9/DHValidationParms.cs b/crypto/src/asn1/x9/DHValidationParms.cs
index a37964cfb..c63c50205 100644
--- a/crypto/src/asn1/x9/DHValidationParms.cs
+++ b/crypto/src/asn1/x9/DHValidationParms.cs
@@ -1,5 +1,7 @@
 using System;
 
+using Org.BouncyCastle.Utilities;
+
 namespace Org.BouncyCastle.Asn1.X9
 {
 	public class DHValidationParms
@@ -21,7 +23,7 @@ namespace Org.BouncyCastle.Asn1.X9
 			if (obj is Asn1Sequence)
 				return new DHValidationParms((Asn1Sequence)obj);
 
-			throw new ArgumentException("Invalid DHValidationParms: " + obj.GetType().FullName, "obj");
+			throw new ArgumentException("Invalid DHValidationParms: " + Platform.GetTypeName(obj), "obj");
 		}
 		
 		public DHValidationParms(DerBitString seed, DerInteger pgenCounter)
diff --git a/crypto/src/crypto/engines/AesEngine.cs b/crypto/src/crypto/engines/AesEngine.cs
index c84f4a964..ba62af4da 100644
--- a/crypto/src/crypto/engines/AesEngine.cs
+++ b/crypto/src/crypto/engines/AesEngine.cs
@@ -3,6 +3,7 @@ using System.Diagnostics;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -452,7 +453,8 @@ namespace Org.BouncyCastle.Crypto.Engines
             KeyParameter keyParameter = parameters as KeyParameter;
 
             if (keyParameter == null)
-                throw new ArgumentException("invalid parameter passed to AES init - " + parameters.GetType().Name);
+                throw new ArgumentException("invalid parameter passed to AES init - "
+                    + Platform.GetTypeName(parameters));
 
             WorkingKey = GenerateWorkingKey(keyParameter.GetKey(), forEncryption);
 
diff --git a/crypto/src/crypto/engines/AesFastEngine.cs b/crypto/src/crypto/engines/AesFastEngine.cs
index 18367a324..3a9c3a89e 100644
--- a/crypto/src/crypto/engines/AesFastEngine.cs
+++ b/crypto/src/crypto/engines/AesFastEngine.cs
@@ -3,6 +3,7 @@ using System.Diagnostics;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -788,7 +789,8 @@ namespace Org.BouncyCastle.Crypto.Engines
             KeyParameter keyParameter = parameters as KeyParameter;
 
             if (keyParameter == null)
-                throw new ArgumentException("invalid parameter passed to AES init - " + parameters.GetType().Name);
+                throw new ArgumentException("invalid parameter passed to AES init - "
+                    + Platform.GetTypeName(parameters));
 
             WorkingKey = GenerateWorkingKey(keyParameter.GetKey(), forEncryption);
 
diff --git a/crypto/src/crypto/engines/AesLightEngine.cs b/crypto/src/crypto/engines/AesLightEngine.cs
index a48fa5857..9cc9c34a0 100644
--- a/crypto/src/crypto/engines/AesLightEngine.cs
+++ b/crypto/src/crypto/engines/AesLightEngine.cs
@@ -3,6 +3,7 @@ using System.Diagnostics;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -349,7 +350,8 @@ namespace Org.BouncyCastle.Crypto.Engines
             KeyParameter keyParameter = parameters as KeyParameter;
 
             if (keyParameter == null)
-                throw new ArgumentException("invalid parameter passed to AES init - " + parameters.GetType().Name);
+                throw new ArgumentException("invalid parameter passed to AES init - "
+                    + Platform.GetTypeName(parameters));
 
             WorkingKey = GenerateWorkingKey(keyParameter.GetKey(), forEncryption);
 
diff --git a/crypto/src/crypto/engines/BlowfishEngine.cs b/crypto/src/crypto/engines/BlowfishEngine.cs
index 7b50e832f..e38f4e8f6 100644
--- a/crypto/src/crypto/engines/BlowfishEngine.cs
+++ b/crypto/src/crypto/engines/BlowfishEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -329,7 +330,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters  parameters)
         {
             if (!(parameters is KeyParameter))
-				throw new ArgumentException("invalid parameter passed to Blowfish init - " + parameters.GetType().ToString());
+				throw new ArgumentException("invalid parameter passed to Blowfish init - " + Platform.GetTypeName(parameters));
 
 			this.encrypting = forEncryption;
 			this.workingKey = ((KeyParameter)parameters).GetKey();
diff --git a/crypto/src/crypto/engines/Cast5Engine.cs b/crypto/src/crypto/engines/Cast5Engine.cs
index 1af30a335..53836db02 100644
--- a/crypto/src/crypto/engines/Cast5Engine.cs
+++ b/crypto/src/crypto/engines/Cast5Engine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -334,7 +335,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters	parameters)
         {
             if (!(parameters is KeyParameter))
-				throw new ArgumentException("Invalid parameter passed to "+ AlgorithmName +" init - " + parameters.GetType().ToString());
+				throw new ArgumentException("Invalid parameter passed to "+ AlgorithmName +" init - " + Platform.GetTypeName(parameters));
 
 			_encrypting = forEncryption;
 			_workingKey = ((KeyParameter)parameters).GetKey();
diff --git a/crypto/src/crypto/engines/DesEdeEngine.cs b/crypto/src/crypto/engines/DesEdeEngine.cs
index bc40b56a8..2fac24ac0 100644
--- a/crypto/src/crypto/engines/DesEdeEngine.cs
+++ b/crypto/src/crypto/engines/DesEdeEngine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -24,7 +25,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters	parameters)
         {
             if (!(parameters is KeyParameter))
-                throw new ArgumentException("invalid parameter passed to DESede init - " + parameters.GetType().ToString());
+                throw new ArgumentException("invalid parameter passed to DESede init - " + Platform.GetTypeName(parameters));
 
             byte[] keyMaster = ((KeyParameter)parameters).GetKey();
             if (keyMaster.Length != 24 && keyMaster.Length != 16)
diff --git a/crypto/src/crypto/engines/DesEngine.cs b/crypto/src/crypto/engines/DesEngine.cs
index a6d580bb6..cfd50681e 100644
--- a/crypto/src/crypto/engines/DesEngine.cs
+++ b/crypto/src/crypto/engines/DesEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -31,7 +32,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters	parameters)
         {
             if (!(parameters is KeyParameter))
-				throw new ArgumentException("invalid parameter passed to DES init - " + parameters.GetType().ToString());
+				throw new ArgumentException("invalid parameter passed to DES init - " + Platform.GetTypeName(parameters));
 
 			workingKey = GenerateWorkingKey(forEncryption, ((KeyParameter)parameters).GetKey());
         }
diff --git a/crypto/src/crypto/engines/GOST28147Engine.cs b/crypto/src/crypto/engines/GOST28147Engine.cs
index e37ddaefd..71e6d9e44 100644
--- a/crypto/src/crypto/engines/GOST28147Engine.cs
+++ b/crypto/src/crypto/engines/GOST28147Engine.cs
@@ -183,7 +183,8 @@ namespace Org.BouncyCastle.Crypto.Engines
 			}
 			else if (parameters != null)
 			{
-				throw new ArgumentException("invalid parameter passed to Gost28147 init - " + parameters.GetType().Name);
+				throw new ArgumentException("invalid parameter passed to Gost28147 init - "
+                    + Platform.GetTypeName(parameters));
 			}
 		}
 
diff --git a/crypto/src/crypto/engines/HC128Engine.cs b/crypto/src/crypto/engines/HC128Engine.cs
index 40c7a4e17..7bd1a48ed 100644
--- a/crypto/src/crypto/engines/HC128Engine.cs
+++ b/crypto/src/crypto/engines/HC128Engine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -180,7 +181,7 @@ namespace Org.BouncyCastle.Crypto.Engines
 			else
 			{
 				throw new ArgumentException(
-					"Invalid parameter passed to HC128 init - " + parameters.GetType().Name,
+					"Invalid parameter passed to HC128 init - " + Platform.GetTypeName(parameters),
 					"parameters");
 			}
 
diff --git a/crypto/src/crypto/engines/HC256Engine.cs b/crypto/src/crypto/engines/HC256Engine.cs
index 6eb360711..b72258a19 100644
--- a/crypto/src/crypto/engines/HC256Engine.cs
+++ b/crypto/src/crypto/engines/HC256Engine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -164,7 +165,7 @@ namespace Org.BouncyCastle.Crypto.Engines
 			else
 			{
 				throw new ArgumentException(
-					"Invalid parameter passed to HC256 init - " + parameters.GetType().Name,
+					"Invalid parameter passed to HC256 init - " + Platform.GetTypeName(parameters),
 					"parameters");
 			}
 
diff --git a/crypto/src/crypto/engines/ISAACEngine.cs b/crypto/src/crypto/engines/ISAACEngine.cs
index f25577130..b94ee6ed9 100644
--- a/crypto/src/crypto/engines/ISAACEngine.cs
+++ b/crypto/src/crypto/engines/ISAACEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -41,7 +42,7 @@ namespace Org.BouncyCastle.Crypto.Engines
         {
             if (!(parameters is KeyParameter))
                 throw new ArgumentException(
-                    "invalid parameter passed to ISAAC Init - " + parameters.GetType().Name,
+                    "invalid parameter passed to ISAAC Init - " + Platform.GetTypeName(parameters),
                     "parameters");
 
             /* 
diff --git a/crypto/src/crypto/engines/IdeaEngine.cs b/crypto/src/crypto/engines/IdeaEngine.cs
index 4909510ac..18a151c93 100644
--- a/crypto/src/crypto/engines/IdeaEngine.cs
+++ b/crypto/src/crypto/engines/IdeaEngine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -52,7 +53,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters	parameters)
         {
             if (!(parameters is KeyParameter))
-                throw new ArgumentException("invalid parameter passed to IDEA init - " + parameters.GetType().ToString());
+                throw new ArgumentException("invalid parameter passed to IDEA init - " + Platform.GetTypeName(parameters));
 
             workingKey = GenerateWorkingKey(forEncryption,
                 ((KeyParameter)parameters).GetKey());
diff --git a/crypto/src/crypto/engines/NoekeonEngine.cs b/crypto/src/crypto/engines/NoekeonEngine.cs
index dd78a4ea5..f64be50ba 100644
--- a/crypto/src/crypto/engines/NoekeonEngine.cs
+++ b/crypto/src/crypto/engines/NoekeonEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -70,7 +71,8 @@ namespace Org.BouncyCastle.Crypto.Engines
 			ICipherParameters	parameters)
 		{
 			if (!(parameters is KeyParameter))
-				throw new ArgumentException("Invalid parameters passed to Noekeon init - " + parameters.GetType().Name, "parameters");
+				throw new ArgumentException("Invalid parameters passed to Noekeon init - "
+                    + Platform.GetTypeName(parameters), "parameters");
 
 			_forEncryption = forEncryption;
 			_initialised = true;
diff --git a/crypto/src/crypto/engines/RC2Engine.cs b/crypto/src/crypto/engines/RC2Engine.cs
index b56953de5..4aca1894f 100644
--- a/crypto/src/crypto/engines/RC2Engine.cs
+++ b/crypto/src/crypto/engines/RC2Engine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -135,7 +136,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             }
             else
             {
-                throw new ArgumentException("invalid parameter passed to RC2 init - " + parameters.GetType().Name);
+                throw new ArgumentException("invalid parameter passed to RC2 init - " + Platform.GetTypeName(parameters));
             }
         }
 
diff --git a/crypto/src/crypto/engines/RC4Engine.cs b/crypto/src/crypto/engines/RC4Engine.cs
index fd84b7d23..a515bb04e 100644
--- a/crypto/src/crypto/engines/RC4Engine.cs
+++ b/crypto/src/crypto/engines/RC4Engine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -44,7 +45,7 @@ namespace Org.BouncyCastle.Crypto.Engines
                 return;
             }
 
-            throw new ArgumentException("invalid parameter passed to RC4 init - " + parameters.GetType().ToString());
+            throw new ArgumentException("invalid parameter passed to RC4 init - " + Platform.GetTypeName(parameters));
         }
 
         public virtual string AlgorithmName
diff --git a/crypto/src/crypto/engines/RC532Engine.cs b/crypto/src/crypto/engines/RC532Engine.cs
index 169a60b98..d1c29e624 100644
--- a/crypto/src/crypto/engines/RC532Engine.cs
+++ b/crypto/src/crypto/engines/RC532Engine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -91,7 +92,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             }
             else
             {
-                throw new ArgumentException("invalid parameter passed to RC532 init - " + parameters.GetType().ToString());
+                throw new ArgumentException("invalid parameter passed to RC532 init - " + Platform.GetTypeName(parameters));
             }
 
             this.forEncryption = forEncryption;
diff --git a/crypto/src/crypto/engines/RC564Engine.cs b/crypto/src/crypto/engines/RC564Engine.cs
index ddcce0fa8..097fd60ba 100644
--- a/crypto/src/crypto/engines/RC564Engine.cs
+++ b/crypto/src/crypto/engines/RC564Engine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -80,7 +81,7 @@ namespace Org.BouncyCastle.Crypto.Engines
         {
             if (!(typeof(RC5Parameters).IsInstanceOfType(parameters)))
             {
-                throw new ArgumentException("invalid parameter passed to RC564 init - " + parameters.GetType().ToString());
+                throw new ArgumentException("invalid parameter passed to RC564 init - " + Platform.GetTypeName(parameters));
             }
 
             RC5Parameters       p = (RC5Parameters)parameters;
diff --git a/crypto/src/crypto/engines/RC6Engine.cs b/crypto/src/crypto/engines/RC6Engine.cs
index 196bd8394..9aeb1e7cb 100644
--- a/crypto/src/crypto/engines/RC6Engine.cs
+++ b/crypto/src/crypto/engines/RC6Engine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -76,7 +77,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters	parameters)
         {
             if (!(parameters is KeyParameter))
-                throw new ArgumentException("invalid parameter passed to RC6 init - " + parameters.GetType().ToString());
+                throw new ArgumentException("invalid parameter passed to RC6 init - " + Platform.GetTypeName(parameters));
 
             this.forEncryption = forEncryption;
 
diff --git a/crypto/src/crypto/engines/RijndaelEngine.cs b/crypto/src/crypto/engines/RijndaelEngine.cs
index 80f522353..7025cb5dc 100644
--- a/crypto/src/crypto/engines/RijndaelEngine.cs
+++ b/crypto/src/crypto/engines/RijndaelEngine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -582,7 +583,7 @@ namespace Org.BouncyCastle.Crypto.Engines
 				return;
 			}
 
-			throw new ArgumentException("invalid parameter passed to Rijndael init - " + parameters.GetType().ToString());
+			throw new ArgumentException("invalid parameter passed to Rijndael init - " + Platform.GetTypeName(parameters));
 		}
 
         public virtual string AlgorithmName
diff --git a/crypto/src/crypto/engines/SerpentEngineBase.cs b/crypto/src/crypto/engines/SerpentEngineBase.cs
index a4c686922..a5d91b3be 100644
--- a/crypto/src/crypto/engines/SerpentEngineBase.cs
+++ b/crypto/src/crypto/engines/SerpentEngineBase.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -32,7 +33,7 @@ namespace Org.BouncyCastle.Crypto.Engines
         public virtual void Init(bool encrypting, ICipherParameters parameters)
         {
             if (!(parameters is KeyParameter))
-				throw new ArgumentException("invalid parameter passed to " + AlgorithmName + " init - " + parameters.GetType().ToString());
+				throw new ArgumentException("invalid parameter passed to " + AlgorithmName + " init - " + Platform.GetTypeName(parameters));
 
             this.encrypting = encrypting;
             this.wKey = MakeWorkingKey(((KeyParameter)parameters).GetKey());
diff --git a/crypto/src/crypto/engines/SkipjackEngine.cs b/crypto/src/crypto/engines/SkipjackEngine.cs
index a45dc9b24..c90646cc4 100644
--- a/crypto/src/crypto/engines/SkipjackEngine.cs
+++ b/crypto/src/crypto/engines/SkipjackEngine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -48,7 +49,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters	parameters)
         {
             if (!(parameters is KeyParameter))
-	            throw new ArgumentException("invalid parameter passed to SKIPJACK init - " + parameters.GetType().ToString());
+	            throw new ArgumentException("invalid parameter passed to SKIPJACK init - " + Platform.GetTypeName(parameters));
 
 			byte[] keyBytes = ((KeyParameter)parameters).GetKey();
 
diff --git a/crypto/src/crypto/engines/TEAEngine.cs b/crypto/src/crypto/engines/TEAEngine.cs
index 2e1a7002b..7b700145e 100644
--- a/crypto/src/crypto/engines/TEAEngine.cs
+++ b/crypto/src/crypto/engines/TEAEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -66,7 +67,7 @@ namespace Org.BouncyCastle.Crypto.Engines
 			if (!(parameters is KeyParameter))
 			{
 				throw new ArgumentException("invalid parameter passed to TEA init - "
-					+ parameters.GetType().FullName);
+					+ Platform.GetTypeName(parameters));
 			}
 
 			_forEncryption = forEncryption;
diff --git a/crypto/src/crypto/engines/ThreefishEngine.cs b/crypto/src/crypto/engines/ThreefishEngine.cs
index 33ff3a421..eade3cc72 100644
--- a/crypto/src/crypto/engines/ThreefishEngine.cs
+++ b/crypto/src/crypto/engines/ThreefishEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 using Org.BouncyCastle.Utilities.Encoders;
 
 namespace Org.BouncyCastle.Crypto.Engines
@@ -174,7 +175,7 @@ namespace Org.BouncyCastle.Crypto.Engines
 			else
 			{
 				throw new ArgumentException("Invalid parameter passed to Threefish init - "
-				                            + parameters.GetType().Name);
+                    + Platform.GetTypeName(parameters));
 			}
 
 			ulong[] keyWords = null;
diff --git a/crypto/src/crypto/engines/TwofishEngine.cs b/crypto/src/crypto/engines/TwofishEngine.cs
index 04a579ced..71c246594 100644
--- a/crypto/src/crypto/engines/TwofishEngine.cs
+++ b/crypto/src/crypto/engines/TwofishEngine.cs
@@ -1,6 +1,7 @@
 using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -267,7 +268,7 @@ namespace Org.BouncyCastle.Crypto.Engines
             ICipherParameters parameters)
         {
             if (!(parameters is KeyParameter))
-				throw new ArgumentException("invalid parameter passed to Twofish init - " + parameters.GetType().ToString());
+				throw new ArgumentException("invalid parameter passed to Twofish init - " + Platform.GetTypeName(parameters));
 
 			this.encrypting = forEncryption;
 			this.workingKey = ((KeyParameter)parameters).GetKey();
diff --git a/crypto/src/crypto/engines/XTEAEngine.cs b/crypto/src/crypto/engines/XTEAEngine.cs
index 40d81fbe6..5fcfa4a57 100644
--- a/crypto/src/crypto/engines/XTEAEngine.cs
+++ b/crypto/src/crypto/engines/XTEAEngine.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Engines
 {
@@ -64,7 +65,7 @@ namespace Org.BouncyCastle.Crypto.Engines
 			if (!(parameters is KeyParameter))
 			{
 				throw new ArgumentException("invalid parameter passed to TEA init - "
-					+ parameters.GetType().FullName);
+					+ Platform.GetTypeName(parameters));
 			}
 
 			_forEncryption = forEncryption;
diff --git a/crypto/src/crypto/macs/GOST28147Mac.cs b/crypto/src/crypto/macs/GOST28147Mac.cs
index 9a8f1b730..cc6b723d6 100644
--- a/crypto/src/crypto/macs/GOST28147Mac.cs
+++ b/crypto/src/crypto/macs/GOST28147Mac.cs
@@ -2,6 +2,7 @@ using System;
 
 using Org.BouncyCastle.Crypto;
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Macs
 {
@@ -83,7 +84,7 @@ namespace Org.BouncyCastle.Crypto.Macs
 			else
 			{
 				throw new ArgumentException("invalid parameter passed to Gost28147 init - "
-					+ parameters.GetType().Name);
+                    + Platform.GetTypeName(parameters));
 			}
 		}
 
diff --git a/crypto/src/crypto/macs/SkeinMac.cs b/crypto/src/crypto/macs/SkeinMac.cs
index 1d61a41ca..07eff24f4 100644
--- a/crypto/src/crypto/macs/SkeinMac.cs
+++ b/crypto/src/crypto/macs/SkeinMac.cs
@@ -3,6 +3,7 @@ using System;
 using Org.BouncyCastle.Crypto.Digests;
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Utilities;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Macs
 {
@@ -79,7 +80,7 @@ namespace Org.BouncyCastle.Crypto.Macs
 			else
 			{
 				throw new ArgumentException("Invalid parameter passed to Skein MAC init - "
-				                            + parameters.GetType().Name);
+                    + Platform.GetTypeName(parameters));
 			}
 			if (skeinParameters.GetKey() == null)
 			{
diff --git a/crypto/src/crypto/tls/DefaultTlsAgreementCredentials.cs b/crypto/src/crypto/tls/DefaultTlsAgreementCredentials.cs
index 5147a1990..fab978886 100644
--- a/crypto/src/crypto/tls/DefaultTlsAgreementCredentials.cs
+++ b/crypto/src/crypto/tls/DefaultTlsAgreementCredentials.cs
@@ -40,7 +40,7 @@ namespace Org.BouncyCastle.Crypto.Tls
             }
             else
             {
-                throw new ArgumentException("type not supported: " + privateKey.GetType().FullName, "privateKey");
+                throw new ArgumentException("type not supported: " + Platform.GetTypeName(privateKey), "privateKey");
             }
 
             this.mCertificate = certificate;
diff --git a/crypto/src/crypto/tls/DefaultTlsEncryptionCredentials.cs b/crypto/src/crypto/tls/DefaultTlsEncryptionCredentials.cs
index 34d15d146..5348ee88d 100644
--- a/crypto/src/crypto/tls/DefaultTlsEncryptionCredentials.cs
+++ b/crypto/src/crypto/tls/DefaultTlsEncryptionCredentials.cs
@@ -2,6 +2,7 @@
 using System.IO;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Tls
 {
@@ -29,7 +30,7 @@ namespace Org.BouncyCastle.Crypto.Tls
             }
             else
             {
-                throw new ArgumentException("type not supported: " + privateKey.GetType().FullName, "privateKey");
+                throw new ArgumentException("type not supported: " + Platform.GetTypeName(privateKey), "privateKey");
             }
 
             this.mContext = context;
diff --git a/crypto/src/crypto/tls/DefaultTlsSignerCredentials.cs b/crypto/src/crypto/tls/DefaultTlsSignerCredentials.cs
index c7a136573..0ff732a97 100644
--- a/crypto/src/crypto/tls/DefaultTlsSignerCredentials.cs
+++ b/crypto/src/crypto/tls/DefaultTlsSignerCredentials.cs
@@ -2,6 +2,7 @@ using System;
 using System.IO;
 
 using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
 
 namespace Org.BouncyCastle.Crypto.Tls
 {
@@ -48,7 +49,7 @@ namespace Org.BouncyCastle.Crypto.Tls
             }
             else
             {
-                throw new ArgumentException("type not supported: " + privateKey.GetType().FullName, "privateKey");
+                throw new ArgumentException("type not supported: " + Platform.GetTypeName(privateKey), "privateKey");
             }
 
             this.mSigner.Init(context);
diff --git a/crypto/src/openpgp/PgpPublicKeyRingBundle.cs b/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
index e73848439..91113e904 100644
--- a/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
+++ b/crypto/src/openpgp/PgpPublicKeyRingBundle.cs
@@ -52,7 +52,7 @@ namespace Org.BouncyCastle.Bcpg.OpenPgp
 
 				if (pgpPub == null)
 				{
-					throw new PgpException(obj.GetType().FullName + " found where PgpPublicKeyRing expected");
+					throw new PgpException(Platform.GetTypeName(obj) + " found where PgpPublicKeyRing expected");
 				}
 
 				long key = pgpPub.GetPublicKey().KeyId;
diff --git a/crypto/src/openpgp/PgpSecretKeyRingBundle.cs b/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
index b0df0ed3f..c9f4d3959 100644
--- a/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
+++ b/crypto/src/openpgp/PgpSecretKeyRingBundle.cs
@@ -1,6 +1,5 @@
 using System;
 using System.Collections;
-using System.Globalization;
 using System.IO;
 
 using Org.BouncyCastle.Utilities;
@@ -53,7 +52,7 @@ namespace Org.BouncyCastle.Bcpg.OpenPgp
 
 				if (pgpSecret == null)
 				{
-					throw new PgpException(obj.GetType().FullName + " found where PgpSecretKeyRing expected");
+					throw new PgpException(Platform.GetTypeName(obj) + " found where PgpSecretKeyRing expected");
 				}
 
 				long key = pgpSecret.GetPublicKey().KeyId;
diff --git a/crypto/src/openssl/MiscPemGenerator.cs b/crypto/src/openssl/MiscPemGenerator.cs
index 443e446f7..22ae1eae1 100644
--- a/crypto/src/openssl/MiscPemGenerator.cs
+++ b/crypto/src/openssl/MiscPemGenerator.cs
@@ -3,7 +3,6 @@ using System.Collections;
 using System.IO;
 
 using Org.BouncyCastle.Asn1;
-using Org.BouncyCastle.Asn1.Cms;
 using Org.BouncyCastle.Asn1.CryptoPro;
 using Org.BouncyCastle.Asn1.Pkcs;
 using Org.BouncyCastle.Asn1.X509;
@@ -127,7 +126,7 @@ namespace Org.BouncyCastle.OpenSsl
             }
             else
             {
-                throw new PemGenerationException("Object type not supported: " + obj.GetType().FullName);
+                throw new PemGenerationException("Object type not supported: " + Platform.GetTypeName(obj));
             }
 
             return new PemObject(type, encoding);
@@ -185,7 +184,7 @@ namespace Org.BouncyCastle.OpenSsl
             if (type == null || keyData == null)
             {
                 // TODO Support other types?
-                throw new PemGenerationException("Object type not supported: " + obj.GetType().FullName);
+                throw new PemGenerationException("Object type not supported: " + Platform.GetTypeName(obj));
             }
 
 
@@ -250,7 +249,7 @@ namespace Org.BouncyCastle.OpenSsl
             }
             else
             {
-                throw new ArgumentException("Cannot handle private key of type: " + akp.GetType().FullName, "akp");
+                throw new ArgumentException("Cannot handle private key of type: " + Platform.GetTypeName(akp), "akp");
             }
 
             return info.ParsePrivateKey().GetEncoded();
diff --git a/crypto/src/pkcs/PrivateKeyInfoFactory.cs b/crypto/src/pkcs/PrivateKeyInfoFactory.cs
index aafc4c292..a349a11d2 100644
--- a/crypto/src/pkcs/PrivateKeyInfoFactory.cs
+++ b/crypto/src/pkcs/PrivateKeyInfoFactory.cs
@@ -173,7 +173,7 @@ namespace Org.BouncyCastle.Pkcs
                 return new PrivateKeyInfo(algID, new DerOctetString(keyBytes));
             }
 
-            throw new ArgumentException("Class provided is not convertible: " + key.GetType().FullName);
+            throw new ArgumentException("Class provided is not convertible: " + Platform.GetTypeName(key));
         }
 
         public static PrivateKeyInfo CreatePrivateKeyInfo(
diff --git a/crypto/src/pkix/PkixCertPathBuilder.cs b/crypto/src/pkix/PkixCertPathBuilder.cs
index 7082fe409..fa38a5ec0 100644
--- a/crypto/src/pkix/PkixCertPathBuilder.cs
+++ b/crypto/src/pkix/PkixCertPathBuilder.cs
@@ -42,7 +42,7 @@ namespace Org.BouncyCastle.Pkix
 				throw new PkixCertPathBuilderException(
 					"TargetConstraints must be an instance of "
 					+ typeof(X509CertStoreSelector).FullName + " for "
-					+ this.GetType() + " class.");
+					+ Platform.GetTypeName(this) + " class.");
 			}
 
 			ISet targets = new HashSet();
diff --git a/crypto/src/pkix/PkixParameters.cs b/crypto/src/pkix/PkixParameters.cs
index 47d3b5e37..01ed9d4fa 100644
--- a/crypto/src/pkix/PkixParameters.cs
+++ b/crypto/src/pkix/PkixParameters.cs
@@ -737,7 +737,7 @@ namespace Org.BouncyCastle.Pkix
 					if (!(obj is TrustAnchor))
 					{
 						throw new InvalidCastException("All elements of set must be "
-							+ "of type " + typeof(TrustAnchor).Name + ".");
+							+ "of type " + typeof(TrustAnchor).FullName + ".");
 					}
 				}
 				this.trustedACIssuers = new HashSet(trustedACIssuers);
diff --git a/crypto/src/util/Platform.cs b/crypto/src/util/Platform.cs
index 361fe7536..86484854d 100644
--- a/crypto/src/util/Platform.cs
+++ b/crypto/src/util/Platform.cs
@@ -220,5 +220,10 @@ namespace Org.BouncyCastle.Utilities
         {
             return InvariantCompareInfo.IsSuffix(source, suffix, CompareOptions.Ordinal);
         }
+
+        internal static string GetTypeName(object obj)
+        {
+            return obj.GetType().FullName;
+        }
     }
 }
diff --git a/crypto/src/x509/SubjectPublicKeyInfoFactory.cs b/crypto/src/x509/SubjectPublicKeyInfoFactory.cs
index bb6f37831..7614321d4 100644
--- a/crypto/src/x509/SubjectPublicKeyInfoFactory.cs
+++ b/crypto/src/x509/SubjectPublicKeyInfoFactory.cs
@@ -1,7 +1,4 @@
 using System;
-using System.IO;
-using System.Collections;
-using System.Text;
 
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Asn1;
@@ -167,7 +164,7 @@ namespace Org.BouncyCastle.X509
                 return new SubjectPublicKeyInfo(algID, new DerOctetString(keyBytes));
             }
 
-            throw new ArgumentException("Class provided no convertible: " + key.GetType().FullName);
+            throw new ArgumentException("Class provided no convertible: " + Platform.GetTypeName(key));
         }
 
         private static void ExtractBytes(