Cleanup obsolete code warnings

3 files changed, 4 insertions, 5 deletions

diff --git a/crypto/src/openssl/PEMReader.cs b/crypto/src/openssl/PEMReader.cs

index 9d3560838..8c19fe601 100644
--- a/crypto/src/openssl/PEMReader.cs
+++ b/crypto/src/openssl/PEMReader.cs
@@ -276,7 +276,7 @@ namespace Org.BouncyCastle.OpenSsl
                         if (seq.Count != 9)
                             throw new PemException("malformed sequence in RSA private key");
 
-                        RsaPrivateKeyStructure rsa = new RsaPrivateKeyStructure(seq);
+                        RsaPrivateKeyStructure rsa = RsaPrivateKeyStructure.GetInstance(seq);
 
                         pubSpec = new RsaKeyParameters(false, rsa.Modulus, rsa.PublicExponent);
                         privSpec = new RsaPrivateCrtKeyParameters(
diff --git a/crypto/src/security/PrivateKeyFactory.cs b/crypto/src/security/PrivateKeyFactory.cs

index 1cfa37afe..edc5ef85a 100644
--- a/crypto/src/security/PrivateKeyFactory.cs
+++ b/crypto/src/security/PrivateKeyFactory.cs
@@ -53,8 +53,7 @@ namespace Org.BouncyCastle.Security
                 || algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss)
                 || algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep))
             {
-                RsaPrivateKeyStructure keyStructure = new RsaPrivateKeyStructure(
-                    Asn1Sequence.GetInstance(keyInfo.ParsePrivateKey()));
+                RsaPrivateKeyStructure keyStructure = RsaPrivateKeyStructure.GetInstance(keyInfo.ParsePrivateKey());
 
                 return new RsaPrivateCrtKeyParameters(
                     keyStructure.Modulus,
diff --git a/crypto/test/src/crypto/test/OAEPTest.cs b/crypto/test/src/crypto/test/OAEPTest.cs

index b4c375eec..ee48a183d 100644
--- a/crypto/test/src/crypto/test/OAEPTest.cs
+++ b/crypto/test/src/crypto/test/OAEPTest.cs
@@ -315,8 +315,8 @@ namespace Org.BouncyCastle.Crypto.Tests
             // extract the private key info.
             //
             Asn1Object privKeyObj = Asn1Object.FromByteArray(privKeyEnc);
-            RsaPrivateKeyStructure privStruct = new RsaPrivateKeyStructure(
-                (Asn1Sequence)PrivateKeyInfo.GetInstance(privKeyObj).ParsePrivateKey());
+            RsaPrivateKeyStructure privStruct = RsaPrivateKeyStructure.GetInstance(
+                PrivateKeyInfo.GetInstance(privKeyObj).ParsePrivateKey());
 
             RsaKeyParameters pubParameters = new RsaKeyParameters(
                 false,