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Diffstat (limited to 'crypto/src/security/PrivateKeyFactory.cs')
-rw-r--r--crypto/src/security/PrivateKeyFactory.cs320
1 files changed, 160 insertions, 160 deletions
diff --git a/crypto/src/security/PrivateKeyFactory.cs b/crypto/src/security/PrivateKeyFactory.cs
index 5ebebd55a..c5ddd5d78 100644
--- a/crypto/src/security/PrivateKeyFactory.cs
+++ b/crypto/src/security/PrivateKeyFactory.cs
@@ -24,98 +24,98 @@ namespace Org.BouncyCastle.Security
         {
         }
 
-		public static AsymmetricKeyParameter CreateKey(
-			byte[] privateKeyInfoData)
-		{
-			return CreateKey(
-				PrivateKeyInfo.GetInstance(
-					Asn1Object.FromByteArray(privateKeyInfoData)));
-		}
-
-		public static AsymmetricKeyParameter CreateKey(
-			Stream inStr)
-		{
-			return CreateKey(
-				PrivateKeyInfo.GetInstance(
-					Asn1Object.FromStream(inStr)));
-		}
-
-		public static AsymmetricKeyParameter CreateKey(
-			PrivateKeyInfo keyInfo)
+        public static AsymmetricKeyParameter CreateKey(
+            byte[] privateKeyInfoData)
+        {
+            return CreateKey(
+                PrivateKeyInfo.GetInstance(
+                    Asn1Object.FromByteArray(privateKeyInfoData)));
+        }
+
+        public static AsymmetricKeyParameter CreateKey(
+            Stream inStr)
+        {
+            return CreateKey(
+                PrivateKeyInfo.GetInstance(
+                    Asn1Object.FromStream(inStr)));
+        }
+
+        public static AsymmetricKeyParameter CreateKey(
+            PrivateKeyInfo keyInfo)
         {
             AlgorithmIdentifier algID = keyInfo.AlgorithmID;
-			DerObjectIdentifier algOid = algID.ObjectID;
-
-			// TODO See RSAUtil.isRsaOid in Java build
-			if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption)
-				|| algOid.Equals(X509ObjectIdentifiers.IdEARsa)
-				|| algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss)
-				|| algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep))
-			{
-				RsaPrivateKeyStructure keyStructure = new RsaPrivateKeyStructure(
-					Asn1Sequence.GetInstance(keyInfo.PrivateKey));
-
-				return new RsaPrivateCrtKeyParameters(
-					keyStructure.Modulus,
-					keyStructure.PublicExponent,
-					keyStructure.PrivateExponent,
-					keyStructure.Prime1,
-					keyStructure.Prime2,
-					keyStructure.Exponent1,
-					keyStructure.Exponent2,
-					keyStructure.Coefficient);
-			}
-			// TODO?
+            DerObjectIdentifier algOid = algID.ObjectID;
+
+            // TODO See RSAUtil.isRsaOid in Java build
+            if (algOid.Equals(PkcsObjectIdentifiers.RsaEncryption)
+                || algOid.Equals(X509ObjectIdentifiers.IdEARsa)
+                || algOid.Equals(PkcsObjectIdentifiers.IdRsassaPss)
+                || algOid.Equals(PkcsObjectIdentifiers.IdRsaesOaep))
+            {
+                RsaPrivateKeyStructure keyStructure = new RsaPrivateKeyStructure(
+                    Asn1Sequence.GetInstance(keyInfo.PrivateKey));
+
+                return new RsaPrivateCrtKeyParameters(
+                    keyStructure.Modulus,
+                    keyStructure.PublicExponent,
+                    keyStructure.PrivateExponent,
+                    keyStructure.Prime1,
+                    keyStructure.Prime2,
+                    keyStructure.Exponent1,
+                    keyStructure.Exponent2,
+                    keyStructure.Coefficient);
+            }
+            // TODO?
 //			else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber))
-			else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
-			{
-				DHParameter para = new DHParameter(
-					Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
-				DerInteger derX = (DerInteger)keyInfo.PrivateKey;
-
-				BigInteger lVal = para.L;
-				int l = lVal == null ? 0 : lVal.IntValue;
-				DHParameters dhParams = new DHParameters(para.P, para.G, null, l);
-
-				return new DHPrivateKeyParameters(derX.Value, dhParams, algOid);
-			}
-			else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
-			{
-				ElGamalParameter  para = new ElGamalParameter(
-					Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
-				DerInteger derX = (DerInteger)keyInfo.PrivateKey;
-
-				return new ElGamalPrivateKeyParameters(
-					derX.Value,
-					new ElGamalParameters(para.P, para.G));
-			}
-			else if (algOid.Equals(X9ObjectIdentifiers.IdDsa))
-			{
-				DerInteger derX = (DerInteger) keyInfo.PrivateKey;
-				Asn1Encodable ae = algID.Parameters;
-
-				DsaParameters parameters = null;
-				if (ae != null)
-				{
-					DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object());
-					parameters = new DsaParameters(para.P, para.Q, para.G);
-				}
-
-				return new DsaPrivateKeyParameters(derX.Value, parameters);
-			}
-			else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey))
-			{
-				X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object());
-
-				X9ECParameters x9;
-				if (para.IsNamedCurve)
-				{
+            else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
+            {
+                DHParameter para = new DHParameter(
+                    Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
+                DerInteger derX = (DerInteger)keyInfo.PrivateKey;
+
+                BigInteger lVal = para.L;
+                int l = lVal == null ? 0 : lVal.IntValue;
+                DHParameters dhParams = new DHParameters(para.P, para.G, null, l);
+
+                return new DHPrivateKeyParameters(derX.Value, dhParams, algOid);
+            }
+            else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
+            {
+                ElGamalParameter  para = new ElGamalParameter(
+                    Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
+                DerInteger derX = (DerInteger)keyInfo.PrivateKey;
+
+                return new ElGamalPrivateKeyParameters(
+                    derX.Value,
+                    new ElGamalParameters(para.P, para.G));
+            }
+            else if (algOid.Equals(X9ObjectIdentifiers.IdDsa))
+            {
+                DerInteger derX = (DerInteger) keyInfo.PrivateKey;
+                Asn1Encodable ae = algID.Parameters;
+
+                DsaParameters parameters = null;
+                if (ae != null)
+                {
+                    DsaParameter para = DsaParameter.GetInstance(ae.ToAsn1Object());
+                    parameters = new DsaParameters(para.P, para.Q, para.G);
+                }
+
+                return new DsaPrivateKeyParameters(derX.Value, parameters);
+            }
+            else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey))
+            {
+                X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object());
+
+                X9ECParameters x9;
+                if (para.IsNamedCurve)
+                {
                     x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters);
-				}
-				else
-				{
+                }
+                else
+                {
                     x9 = new X9ECParameters((Asn1Sequence)para.Parameters);
-				}
+                }
 
                 ECPrivateKeyStructure ec = new ECPrivateKeyStructure(
                     Asn1Sequence.GetInstance(keyInfo.PrivateKey));
@@ -127,74 +127,74 @@ namespace Org.BouncyCastle.Security
                 }
 
                 ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H,  x9.GetSeed());
-				return new ECPrivateKeyParameters(d, dParams);
-			}
-			else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
-			{
-				Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
-					Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
-
-				ECPrivateKeyStructure ec = new ECPrivateKeyStructure(
-					Asn1Sequence.GetInstance(keyInfo.PrivateKey));
-
-				ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet);
-
-				if (ecP == null)
-					return null;
-
-				return new ECPrivateKeyParameters("ECGOST3410", ec.GetKey(), gostParams.PublicKeyParamSet);
-			}
-			else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94))
-			{
-				Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
-					Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
-
-				DerOctetString derX = (DerOctetString) keyInfo.PrivateKey;
-				byte[] keyEnc = derX.GetOctets();
-				byte[] keyBytes = new byte[keyEnc.Length];
-
-				for (int i = 0; i != keyEnc.Length; i++)
-				{
-					keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian
-				}
-
-				BigInteger x = new BigInteger(1, keyBytes);
-
-				return new Gost3410PrivateKeyParameters(x, gostParams.PublicKeyParamSet);
-			}
-			else
-			{
-				throw new SecurityUtilityException("algorithm identifier in key not recognised");
-			}
+                return new ECPrivateKeyParameters(d, dParams);
+            }
+            else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
+            {
+                Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
+                    Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
+
+                ECPrivateKeyStructure ec = new ECPrivateKeyStructure(
+                    Asn1Sequence.GetInstance(keyInfo.PrivateKey));
+
+                ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet);
+
+                if (ecP == null)
+                    return null;
+
+                return new ECPrivateKeyParameters("ECGOST3410", ec.GetKey(), gostParams.PublicKeyParamSet);
+            }
+            else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94))
+            {
+                Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
+                    Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
+
+                DerOctetString derX = (DerOctetString) keyInfo.PrivateKey;
+                byte[] keyEnc = derX.GetOctets();
+                byte[] keyBytes = new byte[keyEnc.Length];
+
+                for (int i = 0; i != keyEnc.Length; i++)
+                {
+                    keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // was little endian
+                }
+
+                BigInteger x = new BigInteger(1, keyBytes);
+
+                return new Gost3410PrivateKeyParameters(x, gostParams.PublicKeyParamSet);
+            }
+            else
+            {
+                throw new SecurityUtilityException("algorithm identifier in key not recognised");
+            }
         }
 
-		public static AsymmetricKeyParameter DecryptKey(
-			char[]					passPhrase,
-			EncryptedPrivateKeyInfo	encInfo)
-		{
-			return CreateKey(PrivateKeyInfoFactory.CreatePrivateKeyInfo(passPhrase, encInfo));
-		}
-
-		public static AsymmetricKeyParameter DecryptKey(
-			char[]	passPhrase,
-			byte[]	encryptedPrivateKeyInfoData)
-		{
-			return DecryptKey(passPhrase, Asn1Object.FromByteArray(encryptedPrivateKeyInfoData));
-		}
-
-		public static AsymmetricKeyParameter DecryptKey(
-			char[]	passPhrase,
-			Stream	encryptedPrivateKeyInfoStream)
-		{
-			return DecryptKey(passPhrase, Asn1Object.FromStream(encryptedPrivateKeyInfoStream));
-		}
-
-		private static AsymmetricKeyParameter DecryptKey(
-			char[]		passPhrase,
-			Asn1Object	asn1Object)
-		{
-			return DecryptKey(passPhrase, EncryptedPrivateKeyInfo.GetInstance(asn1Object));
-		}
+        public static AsymmetricKeyParameter DecryptKey(
+            char[]					passPhrase,
+            EncryptedPrivateKeyInfo	encInfo)
+        {
+            return CreateKey(PrivateKeyInfoFactory.CreatePrivateKeyInfo(passPhrase, encInfo));
+        }
+
+        public static AsymmetricKeyParameter DecryptKey(
+            char[]	passPhrase,
+            byte[]	encryptedPrivateKeyInfoData)
+        {
+            return DecryptKey(passPhrase, Asn1Object.FromByteArray(encryptedPrivateKeyInfoData));
+        }
+
+        public static AsymmetricKeyParameter DecryptKey(
+            char[]	passPhrase,
+            Stream	encryptedPrivateKeyInfoStream)
+        {
+            return DecryptKey(passPhrase, Asn1Object.FromStream(encryptedPrivateKeyInfoStream));
+        }
+
+        private static AsymmetricKeyParameter DecryptKey(
+            char[]		passPhrase,
+            Asn1Object	asn1Object)
+        {
+            return DecryptKey(passPhrase, EncryptedPrivateKeyInfo.GetInstance(asn1Object));
+        }
 
         public static byte[] EncryptKey(
             DerObjectIdentifier		algorithm,
@@ -203,19 +203,19 @@ namespace Org.BouncyCastle.Security
             int						iterationCount,
             AsymmetricKeyParameter	key)
         {
-			return EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
-				algorithm, passPhrase, salt, iterationCount, key).GetEncoded();
+            return EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
+                algorithm, passPhrase, salt, iterationCount, key).GetEncoded();
         }
 
-		public static byte[] EncryptKey(
-			string					algorithm,
+        public static byte[] EncryptKey(
+            string					algorithm,
             char[]					passPhrase,
             byte[]					salt,
             int						iterationCount,
             AsymmetricKeyParameter	key)
         {
-			return EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
-				algorithm, passPhrase, salt, iterationCount, key).GetEncoded();
+            return EncryptedPrivateKeyInfoFactory.CreateEncryptedPrivateKeyInfo(
+                algorithm, passPhrase, salt, iterationCount, key).GetEncoded();
         }
-	}
+    }
 }