Formatting

1 files changed, 199 insertions, 199 deletions

diff --git a/crypto/src/security/PublicKeyFactory.cs b/crypto/src/security/PublicKeyFactory.cs
index c15e24a41..b0fc98b03 100644
--- a/crypto/src/security/PublicKeyFactory.cs
+++ b/crypto/src/security/PublicKeyFactory.cs
@@ -24,122 +24,122 @@ namespace Org.BouncyCastle.Security
         {
         }
 
-		public static AsymmetricKeyParameter CreateKey(
-			byte[] keyInfoData)
-		{
-			return CreateKey(
-				SubjectPublicKeyInfo.GetInstance(
-					Asn1Object.FromByteArray(keyInfoData)));
-		}
-
-		public static AsymmetricKeyParameter CreateKey(
-			Stream inStr)
-		{
-			return CreateKey(
-				SubjectPublicKeyInfo.GetInstance(
-					Asn1Object.FromStream(inStr)));
-		}
-
-		public static AsymmetricKeyParameter CreateKey(
-			SubjectPublicKeyInfo keyInfo)
+        public static AsymmetricKeyParameter CreateKey(
+            byte[] keyInfoData)
+        {
+            return CreateKey(
+                SubjectPublicKeyInfo.GetInstance(
+                    Asn1Object.FromByteArray(keyInfoData)));
+        }
+
+        public static AsymmetricKeyParameter CreateKey(
+            Stream inStr)
+        {
+            return CreateKey(
+                SubjectPublicKeyInfo.GetInstance(
+                    Asn1Object.FromStream(inStr)));
+        }
+
+        public static AsymmetricKeyParameter CreateKey(
+            SubjectPublicKeyInfo 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))
-			{
-				RsaPublicKeyStructure pubKey = RsaPublicKeyStructure.GetInstance(
-					keyInfo.GetPublicKey());
-
-				return new RsaKeyParameters(false, pubKey.Modulus, pubKey.PublicExponent);
-			}
-			else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber))
-			{
-				Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object());
-
-				DHPublicKey dhPublicKey = DHPublicKey.GetInstance(keyInfo.GetPublicKey());
-
-				BigInteger y = dhPublicKey.Y.Value;
-
-				if (IsPkcsDHParam(seq))
-					return ReadPkcsDHParam(algOid, y, seq);
-
-				DHDomainParameters dhParams = DHDomainParameters.GetInstance(seq);
-
-				BigInteger p = dhParams.P.Value;
-				BigInteger g = dhParams.G.Value;
-				BigInteger q = dhParams.Q.Value;
-
-				BigInteger j = null;
-				if (dhParams.J != null)
-				{
-					j = dhParams.J.Value;
-				}
-
-				DHValidationParameters validation = null;
-				DHValidationParms dhValidationParms = dhParams.ValidationParms;
-				if (dhValidationParms != null)
-				{
-					byte[] seed = dhValidationParms.Seed.GetBytes();
-					BigInteger pgenCounter = dhValidationParms.PgenCounter.Value;
-
-					// TODO Check pgenCounter size?
-
-					validation = new DHValidationParameters(seed, pgenCounter.IntValue);
-				}
-
-				return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
-			}
-			else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
-			{
-				Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object());
-
-				DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
-
-				return ReadPkcsDHParam(algOid, derY.Value, seq);
-			}
-			else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
-			{
-				ElGamalParameter para = new ElGamalParameter(
-					Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
-				DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
-
-				return new ElGamalPublicKeyParameters(
-					derY.Value,
-					new ElGamalParameters(para.P, para.G));
-			}
-			else if (algOid.Equals(X9ObjectIdentifiers.IdDsa)
-				|| algOid.Equals(OiwObjectIdentifiers.DsaWithSha1))
-			{
-				DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
-				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 DsaPublicKeyParameters(derY.Value, parameters);
-			}
-			else if (algOid.Equals(X9ObjectIdentifiers.IdECPublicKey))
-			{
-				X962Parameters para = new X962Parameters(algID.Parameters.ToAsn1Object());
+            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))
+            {
+                RsaPublicKeyStructure pubKey = RsaPublicKeyStructure.GetInstance(
+                    keyInfo.GetPublicKey());
+
+                return new RsaKeyParameters(false, pubKey.Modulus, pubKey.PublicExponent);
+            }
+            else if (algOid.Equals(X9ObjectIdentifiers.DHPublicNumber))
+            {
+                Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object());
+
+                DHPublicKey dhPublicKey = DHPublicKey.GetInstance(keyInfo.GetPublicKey());
+
+                BigInteger y = dhPublicKey.Y.Value;
+
+                if (IsPkcsDHParam(seq))
+                    return ReadPkcsDHParam(algOid, y, seq);
+
+                DHDomainParameters dhParams = DHDomainParameters.GetInstance(seq);
+
+                BigInteger p = dhParams.P.Value;
+                BigInteger g = dhParams.G.Value;
+                BigInteger q = dhParams.Q.Value;
+
+                BigInteger j = null;
+                if (dhParams.J != null)
+                {
+                    j = dhParams.J.Value;
+                }
+
+                DHValidationParameters validation = null;
+                DHValidationParms dhValidationParms = dhParams.ValidationParms;
+                if (dhValidationParms != null)
+                {
+                    byte[] seed = dhValidationParms.Seed.GetBytes();
+                    BigInteger pgenCounter = dhValidationParms.PgenCounter.Value;
+
+                    // TODO Check pgenCounter size?
+
+                    validation = new DHValidationParameters(seed, pgenCounter.IntValue);
+                }
+
+                return new DHPublicKeyParameters(y, new DHParameters(p, g, q, j, validation));
+            }
+            else if (algOid.Equals(PkcsObjectIdentifiers.DhKeyAgreement))
+            {
+                Asn1Sequence seq = Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object());
+
+                DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
+
+                return ReadPkcsDHParam(algOid, derY.Value, seq);
+            }
+            else if (algOid.Equals(OiwObjectIdentifiers.ElGamalAlgorithm))
+            {
+                ElGamalParameter para = new ElGamalParameter(
+                    Asn1Sequence.GetInstance(algID.Parameters.ToAsn1Object()));
+                DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
+
+                return new ElGamalPublicKeyParameters(
+                    derY.Value,
+                    new ElGamalParameters(para.P, para.G));
+            }
+            else if (algOid.Equals(X9ObjectIdentifiers.IdDsa)
+                || algOid.Equals(OiwObjectIdentifiers.DsaWithSha1))
+            {
+                DerInteger derY = (DerInteger) keyInfo.GetPublicKey();
+                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 DsaPublicKeyParameters(derY.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
-				{
-					x9 = new X9ECParameters((Asn1Sequence)para.Parameters);
-				}
+                if (para.IsNamedCurve)
+                {
+                    x9 = ECKeyPairGenerator.FindECCurveByOid((DerObjectIdentifier)para.Parameters);
+                }
+                else
+                {
+                    x9 = new X9ECParameters((Asn1Sequence)para.Parameters);
+                }
 
                 Asn1OctetString key = new DerOctetString(keyInfo.PublicKeyData.GetBytes());
                 X9ECPoint derQ = new X9ECPoint(x9.Curve, key);
@@ -151,103 +151,103 @@ namespace Org.BouncyCastle.Security
                 }
 
                 ECDomainParameters dParams = new ECDomainParameters(x9.Curve, x9.G, x9.N, x9.H, x9.GetSeed());
-				return new ECPublicKeyParameters(q, dParams);
-			}
-			else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
-			{
-				Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
-					(Asn1Sequence) algID.Parameters);
-
-				Asn1OctetString key;
-				try
-				{
-					key = (Asn1OctetString) keyInfo.GetPublicKey();
-				}
-				catch (IOException)
-				{
-					throw new ArgumentException("invalid info structure in GOST3410 public key");
-				}
-
-				byte[] keyEnc = key.GetOctets();
-				byte[] x = new byte[32];
-				byte[] y = new byte[32];
-
-				for (int i = 0; i != y.Length; i++)
-				{
-					x[i] = keyEnc[32 - 1 - i];
-				}
-
-				for (int i = 0; i != x.Length; i++)
-				{
-					y[i] = keyEnc[64 - 1 - i];
-				}
-
-				ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet);
-
-				if (ecP == null)
-					return null;
-
-				ECPoint q = ecP.Curve.CreatePoint(new BigInteger(1, x), new BigInteger(1, y), false);
-
-				return new ECPublicKeyParameters("ECGOST3410", q, gostParams.PublicKeyParamSet);
-			}
-			else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94))
-			{
-				Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters(
-					(Asn1Sequence) algID.Parameters);
-
-				DerOctetString derY;
-				try
-				{
-					derY = (DerOctetString) keyInfo.GetPublicKey();
-				}
-				catch (IOException)
-				{
-					throw new ArgumentException("invalid info structure in GOST3410 public key");
-				}
-
-				byte[] keyEnc = derY.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 y = new BigInteger(1, keyBytes);
-
-				return new Gost3410PublicKeyParameters(y, algParams.PublicKeyParamSet);
-			}
+                return new ECPublicKeyParameters(q, dParams);
+            }
+            else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x2001))
+            {
+                Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters(
+                    (Asn1Sequence) algID.Parameters);
+
+                Asn1OctetString key;
+                try
+                {
+                    key = (Asn1OctetString) keyInfo.GetPublicKey();
+                }
+                catch (IOException)
+                {
+                    throw new ArgumentException("invalid info structure in GOST3410 public key");
+                }
+
+                byte[] keyEnc = key.GetOctets();
+                byte[] x = new byte[32];
+                byte[] y = new byte[32];
+
+                for (int i = 0; i != y.Length; i++)
+                {
+                    x[i] = keyEnc[32 - 1 - i];
+                }
+
+                for (int i = 0; i != x.Length; i++)
+                {
+                    y[i] = keyEnc[64 - 1 - i];
+                }
+
+                ECDomainParameters ecP = ECGost3410NamedCurves.GetByOid(gostParams.PublicKeyParamSet);
+
+                if (ecP == null)
+                    return null;
+
+                ECPoint q = ecP.Curve.CreatePoint(new BigInteger(1, x), new BigInteger(1, y), false);
+
+                return new ECPublicKeyParameters("ECGOST3410", q, gostParams.PublicKeyParamSet);
+            }
+            else if (algOid.Equals(CryptoProObjectIdentifiers.GostR3410x94))
+            {
+                Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters(
+                    (Asn1Sequence) algID.Parameters);
+
+                DerOctetString derY;
+                try
+                {
+                    derY = (DerOctetString) keyInfo.GetPublicKey();
+                }
+                catch (IOException)
+                {
+                    throw new ArgumentException("invalid info structure in GOST3410 public key");
+                }
+
+                byte[] keyEnc = derY.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 y = new BigInteger(1, keyBytes);
+
+                return new Gost3410PublicKeyParameters(y, algParams.PublicKeyParamSet);
+            }
             else
             {
                 throw new SecurityUtilityException("algorithm identifier in key not recognised: " + algOid);
             }
         }
 
-		private static bool IsPkcsDHParam(Asn1Sequence seq)
-		{
-			if (seq.Count == 2)
-				return true;
+        private static bool IsPkcsDHParam(Asn1Sequence seq)
+        {
+            if (seq.Count == 2)
+                return true;
 
-			if (seq.Count > 3)
-				return false;
+            if (seq.Count > 3)
+                return false;
 
-			DerInteger l = DerInteger.GetInstance(seq[2]);
-			DerInteger p = DerInteger.GetInstance(seq[0]);
+            DerInteger l = DerInteger.GetInstance(seq[2]);
+            DerInteger p = DerInteger.GetInstance(seq[0]);
 
-			return l.Value.CompareTo(BigInteger.ValueOf(p.Value.BitLength)) <= 0;
-		}
+            return l.Value.CompareTo(BigInteger.ValueOf(p.Value.BitLength)) <= 0;
+        }
 
-		private static DHPublicKeyParameters ReadPkcsDHParam(DerObjectIdentifier algOid,
-			BigInteger y, Asn1Sequence seq)
-		{
-			DHParameter para = new DHParameter(seq);
+        private static DHPublicKeyParameters ReadPkcsDHParam(DerObjectIdentifier algOid,
+            BigInteger y, Asn1Sequence seq)
+        {
+            DHParameter para = new DHParameter(seq);
 
-			BigInteger lVal = para.L;
-			int l = lVal == null ? 0 : lVal.IntValue;
-			DHParameters dhParams = new DHParameters(para.P, para.G, null, l);
+            BigInteger lVal = para.L;
+            int l = lVal == null ? 0 : lVal.IntValue;
+            DHParameters dhParams = new DHParameters(para.P, para.G, null, l);
 
-			return new DHPublicKeyParameters(y, dhParams, algOid);
-		}
-	}
+            return new DHPublicKeyParameters(y, dhParams, algOid);
+        }
+    }
 }