diff options
Diffstat (limited to 'crypto/src/pkcs/PrivateKeyInfoFactory.cs')
| -rw-r--r-- | crypto/src/pkcs/PrivateKeyInfoFactory.cs | 386 |
1 files changed, 190 insertions, 196 deletions
diff --git a/crypto/src/pkcs/PrivateKeyInfoFactory.cs b/crypto/src/pkcs/PrivateKeyInfoFactory.cs index ed566cae9..723d50f08 100644 --- a/crypto/src/pkcs/PrivateKeyInfoFactory.cs +++ b/crypto/src/pkcs/PrivateKeyInfoFactory.cs @@ -15,200 +15,194 @@ using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Pkcs { - public sealed class PrivateKeyInfoFactory - { - private PrivateKeyInfoFactory() - { - } - - public static PrivateKeyInfo CreatePrivateKeyInfo( - AsymmetricKeyParameter key) - { - if (key == null) - throw new ArgumentNullException("key"); - if (!key.IsPrivate) - throw new ArgumentException("Public key passed - private key expected", "key"); - - if (key is ElGamalPrivateKeyParameters) - { - ElGamalPrivateKeyParameters _key = (ElGamalPrivateKeyParameters)key; - return new PrivateKeyInfo( - new AlgorithmIdentifier( - OiwObjectIdentifiers.ElGamalAlgorithm, - new ElGamalParameter( - _key.Parameters.P, - _key.Parameters.G).ToAsn1Object()), - new DerInteger(_key.X)); - } - - if (key is DsaPrivateKeyParameters) - { - DsaPrivateKeyParameters _key = (DsaPrivateKeyParameters)key; - return new PrivateKeyInfo( - new AlgorithmIdentifier( - X9ObjectIdentifiers.IdDsa, - new DsaParameter( - _key.Parameters.P, - _key.Parameters.Q, - _key.Parameters.G).ToAsn1Object()), - new DerInteger(_key.X)); - } - - if (key is DHPrivateKeyParameters) - { - DHPrivateKeyParameters _key = (DHPrivateKeyParameters)key; - - DHParameter p = new DHParameter( - _key.Parameters.P, _key.Parameters.G, _key.Parameters.L); - - return new PrivateKeyInfo( - new AlgorithmIdentifier(_key.AlgorithmOid, p.ToAsn1Object()), - new DerInteger(_key.X)); - } - - if (key is RsaKeyParameters) - { - AlgorithmIdentifier algID = new AlgorithmIdentifier( - PkcsObjectIdentifiers.RsaEncryption, DerNull.Instance); - - RsaPrivateKeyStructure keyStruct; - if (key is RsaPrivateCrtKeyParameters) - { - RsaPrivateCrtKeyParameters _key = (RsaPrivateCrtKeyParameters)key; - - keyStruct = new RsaPrivateKeyStructure( - _key.Modulus, - _key.PublicExponent, - _key.Exponent, - _key.P, - _key.Q, - _key.DP, - _key.DQ, - _key.QInv); - } - else - { - RsaKeyParameters _key = (RsaKeyParameters) key; - - keyStruct = new RsaPrivateKeyStructure( - _key.Modulus, - BigInteger.Zero, - _key.Exponent, - BigInteger.Zero, - BigInteger.Zero, - BigInteger.Zero, - BigInteger.Zero, - BigInteger.Zero); - } - - return new PrivateKeyInfo(algID, keyStruct.ToAsn1Object()); - } - - if (key is ECPrivateKeyParameters) - { - ECPrivateKeyParameters _key = (ECPrivateKeyParameters)key; - AlgorithmIdentifier algID; - ECPrivateKeyStructure ec; - - if (_key.AlgorithmName == "ECGOST3410") - { - if (_key.PublicKeyParamSet == null) - throw Platform.CreateNotImplementedException("Not a CryptoPro parameter set"); - - Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters( - _key.PublicKeyParamSet, CryptoProObjectIdentifiers.GostR3411x94CryptoProParamSet); - - algID = new AlgorithmIdentifier( - CryptoProObjectIdentifiers.GostR3410x2001, - gostParams.ToAsn1Object()); - - // TODO Do we need to pass any parameters here? - ec = new ECPrivateKeyStructure(_key.D); - } - else - { - X962Parameters x962; - if (_key.PublicKeyParamSet == null) - { - ECDomainParameters kp = _key.Parameters; - X9ECParameters ecP = new X9ECParameters(kp.Curve, kp.G, kp.N, kp.H, kp.GetSeed()); - - x962 = new X962Parameters(ecP); - } - else - { - x962 = new X962Parameters(_key.PublicKeyParamSet); - } - - Asn1Object x962Object = x962.ToAsn1Object(); - - // TODO Possible to pass the publicKey bitstring here? - ec = new ECPrivateKeyStructure(_key.D, x962Object); - - algID = new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, x962Object); - } - - return new PrivateKeyInfo(algID, ec.ToAsn1Object()); - } - - if (key is Gost3410PrivateKeyParameters) - { - Gost3410PrivateKeyParameters _key = (Gost3410PrivateKeyParameters)key; - - if (_key.PublicKeyParamSet == null) - throw Platform.CreateNotImplementedException("Not a CryptoPro parameter set"); - - byte[] keyEnc = _key.X.ToByteArrayUnsigned(); - byte[] keyBytes = new byte[keyEnc.Length]; - - for (int i = 0; i != keyBytes.Length; i++) - { - keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // must be little endian - } - - Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters( - _key.PublicKeyParamSet, CryptoProObjectIdentifiers.GostR3411x94CryptoProParamSet, null); - - AlgorithmIdentifier algID = new AlgorithmIdentifier( - CryptoProObjectIdentifiers.GostR3410x94, - algParams.ToAsn1Object()); - - return new PrivateKeyInfo(algID, new DerOctetString(keyBytes)); - } - - throw new ArgumentException("Class provided is not convertible: " + key.GetType().FullName); - } - - public static PrivateKeyInfo CreatePrivateKeyInfo( - char[] passPhrase, - EncryptedPrivateKeyInfo encInfo) - { - return CreatePrivateKeyInfo(passPhrase, false, encInfo); - } - - public static PrivateKeyInfo CreatePrivateKeyInfo( - char[] passPhrase, - bool wrongPkcs12Zero, - EncryptedPrivateKeyInfo encInfo) - { - AlgorithmIdentifier algID = encInfo.EncryptionAlgorithm; - IBufferedCipher cipher = PbeUtilities.CreateEngine(algID) as IBufferedCipher; - - if (cipher == null) - { - // TODO Throw exception? - } - - ICipherParameters keyParameters = PbeUtilities.GenerateCipherParameters( - algID, passPhrase, wrongPkcs12Zero); - - cipher.Init(false, keyParameters); - - byte[] keyBytes = encInfo.GetEncryptedData(); - byte[] encoding = cipher.DoFinal(keyBytes); - Asn1Object asn1Data = Asn1Object.FromByteArray(encoding); - - return PrivateKeyInfo.GetInstance(asn1Data); - } - } + public sealed class PrivateKeyInfoFactory + { + private PrivateKeyInfoFactory() + { + } + + public static PrivateKeyInfo CreatePrivateKeyInfo( + AsymmetricKeyParameter key) + { + if (key == null) + throw new ArgumentNullException("key"); + if (!key.IsPrivate) + throw new ArgumentException("Public key passed - private key expected", "key"); + + if (key is ElGamalPrivateKeyParameters) + { + ElGamalPrivateKeyParameters _key = (ElGamalPrivateKeyParameters)key; + return new PrivateKeyInfo( + new AlgorithmIdentifier( + OiwObjectIdentifiers.ElGamalAlgorithm, + new ElGamalParameter( + _key.Parameters.P, + _key.Parameters.G).ToAsn1Object()), + new DerInteger(_key.X)); + } + + if (key is DsaPrivateKeyParameters) + { + DsaPrivateKeyParameters _key = (DsaPrivateKeyParameters)key; + return new PrivateKeyInfo( + new AlgorithmIdentifier( + X9ObjectIdentifiers.IdDsa, + new DsaParameter( + _key.Parameters.P, + _key.Parameters.Q, + _key.Parameters.G).ToAsn1Object()), + new DerInteger(_key.X)); + } + + if (key is DHPrivateKeyParameters) + { + DHPrivateKeyParameters _key = (DHPrivateKeyParameters)key; + + DHParameter p = new DHParameter( + _key.Parameters.P, _key.Parameters.G, _key.Parameters.L); + + return new PrivateKeyInfo( + new AlgorithmIdentifier(_key.AlgorithmOid, p.ToAsn1Object()), + new DerInteger(_key.X)); + } + + if (key is RsaKeyParameters) + { + AlgorithmIdentifier algID = new AlgorithmIdentifier( + PkcsObjectIdentifiers.RsaEncryption, DerNull.Instance); + + RsaPrivateKeyStructure keyStruct; + if (key is RsaPrivateCrtKeyParameters) + { + RsaPrivateCrtKeyParameters _key = (RsaPrivateCrtKeyParameters)key; + + keyStruct = new RsaPrivateKeyStructure( + _key.Modulus, + _key.PublicExponent, + _key.Exponent, + _key.P, + _key.Q, + _key.DP, + _key.DQ, + _key.QInv); + } + else + { + RsaKeyParameters _key = (RsaKeyParameters) key; + + keyStruct = new RsaPrivateKeyStructure( + _key.Modulus, + BigInteger.Zero, + _key.Exponent, + BigInteger.Zero, + BigInteger.Zero, + BigInteger.Zero, + BigInteger.Zero, + BigInteger.Zero); + } + + return new PrivateKeyInfo(algID, keyStruct.ToAsn1Object()); + } + + if (key is ECPrivateKeyParameters) + { + ECPrivateKeyParameters _key = (ECPrivateKeyParameters)key; + AlgorithmIdentifier algID; + ECPrivateKeyStructure ec; + + if (_key.AlgorithmName == "ECGOST3410") + { + if (_key.PublicKeyParamSet == null) + throw Platform.CreateNotImplementedException("Not a CryptoPro parameter set"); + + Gost3410PublicKeyAlgParameters gostParams = new Gost3410PublicKeyAlgParameters( + _key.PublicKeyParamSet, CryptoProObjectIdentifiers.GostR3411x94CryptoProParamSet); + + algID = new AlgorithmIdentifier( + CryptoProObjectIdentifiers.GostR3410x2001, + gostParams.ToAsn1Object()); + + // TODO Do we need to pass any parameters here? + ec = new ECPrivateKeyStructure(_key.D); + } + else + { + X962Parameters x962; + if (_key.PublicKeyParamSet == null) + { + ECDomainParameters kp = _key.Parameters; + X9ECParameters ecP = new X9ECParameters(kp.Curve, kp.G, kp.N, kp.H, kp.GetSeed()); + + x962 = new X962Parameters(ecP); + } + else + { + x962 = new X962Parameters(_key.PublicKeyParamSet); + } + + Asn1Object x962Object = x962.ToAsn1Object(); + + // TODO Possible to pass the publicKey bitstring here? + ec = new ECPrivateKeyStructure(_key.D, x962Object); + + algID = new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, x962Object); + } + + return new PrivateKeyInfo(algID, ec.ToAsn1Object()); + } + + if (key is Gost3410PrivateKeyParameters) + { + Gost3410PrivateKeyParameters _key = (Gost3410PrivateKeyParameters)key; + + if (_key.PublicKeyParamSet == null) + throw Platform.CreateNotImplementedException("Not a CryptoPro parameter set"); + + byte[] keyEnc = _key.X.ToByteArrayUnsigned(); + byte[] keyBytes = new byte[keyEnc.Length]; + + for (int i = 0; i != keyBytes.Length; i++) + { + keyBytes[i] = keyEnc[keyEnc.Length - 1 - i]; // must be little endian + } + + Gost3410PublicKeyAlgParameters algParams = new Gost3410PublicKeyAlgParameters( + _key.PublicKeyParamSet, CryptoProObjectIdentifiers.GostR3411x94CryptoProParamSet, null); + + AlgorithmIdentifier algID = new AlgorithmIdentifier( + CryptoProObjectIdentifiers.GostR3410x94, + algParams.ToAsn1Object()); + + return new PrivateKeyInfo(algID, new DerOctetString(keyBytes)); + } + + throw new ArgumentException("Class provided is not convertible: " + key.GetType().FullName); + } + + public static PrivateKeyInfo CreatePrivateKeyInfo( + char[] passPhrase, + EncryptedPrivateKeyInfo encInfo) + { + return CreatePrivateKeyInfo(passPhrase, false, encInfo); + } + + public static PrivateKeyInfo CreatePrivateKeyInfo( + char[] passPhrase, + bool wrongPkcs12Zero, + EncryptedPrivateKeyInfo encInfo) + { + AlgorithmIdentifier algID = encInfo.EncryptionAlgorithm; + + IBufferedCipher cipher = PbeUtilities.CreateEngine(algID) as IBufferedCipher; + if (cipher == null) + throw new Exception("Unknown encryption algorithm: " + algID.ObjectID); + + ICipherParameters cipherParameters = PbeUtilities.GenerateCipherParameters( + algID, passPhrase, wrongPkcs12Zero); + cipher.Init(false, cipherParameters); + byte[] keyBytes = cipher.DoFinal(encInfo.GetEncryptedData()); + + return PrivateKeyInfo.GetInstance(keyBytes); + } + } } |