diff options
Diffstat (limited to 'crypto/src/pkcs')
| -rw-r--r-- | crypto/src/pkcs/PrivateKeyInfoFactory.cs | 116 |
1 files changed, 79 insertions, 37 deletions
diff --git a/crypto/src/pkcs/PrivateKeyInfoFactory.cs b/crypto/src/pkcs/PrivateKeyInfoFactory.cs index a349a11d2..69eb3fa67 100644 --- a/crypto/src/pkcs/PrivateKeyInfoFactory.cs +++ b/crypto/src/pkcs/PrivateKeyInfoFactory.cs @@ -2,6 +2,7 @@ using System; using Org.BouncyCastle.Asn1; using Org.BouncyCastle.Asn1.CryptoPro; +using Org.BouncyCastle.Asn1.EdEC; using Org.BouncyCastle.Asn1.Oiw; using Org.BouncyCastle.Asn1.Pkcs; using Org.BouncyCastle.Asn1.Sec; @@ -22,59 +23,68 @@ namespace Org.BouncyCastle.Pkcs } public static PrivateKeyInfo CreatePrivateKeyInfo( - AsymmetricKeyParameter key) + AsymmetricKeyParameter privateKey) { - if (key == null) - throw new ArgumentNullException("key"); - if (!key.IsPrivate) - throw new ArgumentException("Public key passed - private key expected", "key"); + return CreatePrivateKeyInfo(privateKey, null); + } + + /** + * Create a PrivateKeyInfo representation of a private key with attributes. + * + * @param privateKey the key to be encoded into the info object. + * @param attributes the set of attributes to be included. + * @return the appropriate PrivateKeyInfo + * @throws java.io.IOException on an error encoding the key + */ + public static PrivateKeyInfo CreatePrivateKeyInfo(AsymmetricKeyParameter privateKey, Asn1Set attributes) + { + if (privateKey == null) + throw new ArgumentNullException("privateKey"); + if (!privateKey.IsPrivate) + throw new ArgumentException("Public key passed - private key expected", "privateKey"); - if (key is ElGamalPrivateKeyParameters) + if (privateKey is ElGamalPrivateKeyParameters) { - ElGamalPrivateKeyParameters _key = (ElGamalPrivateKeyParameters)key; + ElGamalPrivateKeyParameters _key = (ElGamalPrivateKeyParameters)privateKey; + ElGamalParameters egp = _key.Parameters; return new PrivateKeyInfo( - new AlgorithmIdentifier( - OiwObjectIdentifiers.ElGamalAlgorithm, - new ElGamalParameter( - _key.Parameters.P, - _key.Parameters.G).ToAsn1Object()), - new DerInteger(_key.X)); + new AlgorithmIdentifier(OiwObjectIdentifiers.ElGamalAlgorithm, new ElGamalParameter(egp.P, egp.G).ToAsn1Object()), + new DerInteger(_key.X), + attributes); } - if (key is DsaPrivateKeyParameters) + if (privateKey is DsaPrivateKeyParameters) { - DsaPrivateKeyParameters _key = (DsaPrivateKeyParameters)key; + DsaPrivateKeyParameters _key = (DsaPrivateKeyParameters)privateKey; + DsaParameters dp = _key.Parameters; return new PrivateKeyInfo( - new AlgorithmIdentifier( - X9ObjectIdentifiers.IdDsa, - new DsaParameter( - _key.Parameters.P, - _key.Parameters.Q, - _key.Parameters.G).ToAsn1Object()), - new DerInteger(_key.X)); + new AlgorithmIdentifier(X9ObjectIdentifiers.IdDsa, new DsaParameter(dp.P, dp.Q, dp.G).ToAsn1Object()), + new DerInteger(_key.X), + attributes); } - if (key is DHPrivateKeyParameters) + if (privateKey is DHPrivateKeyParameters) { - DHPrivateKeyParameters _key = (DHPrivateKeyParameters)key; + DHPrivateKeyParameters _key = (DHPrivateKeyParameters)privateKey; 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)); + new DerInteger(_key.X), + attributes); } - if (key is RsaKeyParameters) + if (privateKey is RsaKeyParameters) { AlgorithmIdentifier algID = new AlgorithmIdentifier( PkcsObjectIdentifiers.RsaEncryption, DerNull.Instance); RsaPrivateKeyStructure keyStruct; - if (key is RsaPrivateCrtKeyParameters) + if (privateKey is RsaPrivateCrtKeyParameters) { - RsaPrivateCrtKeyParameters _key = (RsaPrivateCrtKeyParameters)key; + RsaPrivateCrtKeyParameters _key = (RsaPrivateCrtKeyParameters)privateKey; keyStruct = new RsaPrivateKeyStructure( _key.Modulus, @@ -88,7 +98,7 @@ namespace Org.BouncyCastle.Pkcs } else { - RsaKeyParameters _key = (RsaKeyParameters) key; + RsaKeyParameters _key = (RsaKeyParameters) privateKey; keyStruct = new RsaPrivateKeyStructure( _key.Modulus, @@ -101,12 +111,12 @@ namespace Org.BouncyCastle.Pkcs BigInteger.Zero); } - return new PrivateKeyInfo(algID, keyStruct.ToAsn1Object()); + return new PrivateKeyInfo(algID, keyStruct.ToAsn1Object(), attributes); } - if (key is ECPrivateKeyParameters) + if (privateKey is ECPrivateKeyParameters) { - ECPrivateKeyParameters priv = (ECPrivateKeyParameters)key; + ECPrivateKeyParameters priv = (ECPrivateKeyParameters)privateKey; ECDomainParameters dp = priv.Parameters; int orderBitLength = dp.N.BitLength; @@ -145,12 +155,12 @@ namespace Org.BouncyCastle.Pkcs algID = new AlgorithmIdentifier(X9ObjectIdentifiers.IdECPublicKey, x962); } - return new PrivateKeyInfo(algID, ec); + return new PrivateKeyInfo(algID, ec, attributes); } - if (key is Gost3410PrivateKeyParameters) + if (privateKey is Gost3410PrivateKeyParameters) { - Gost3410PrivateKeyParameters _key = (Gost3410PrivateKeyParameters)key; + Gost3410PrivateKeyParameters _key = (Gost3410PrivateKeyParameters)privateKey; if (_key.PublicKeyParamSet == null) throw Platform.CreateNotImplementedException("Not a CryptoPro parameter set"); @@ -170,10 +180,42 @@ namespace Org.BouncyCastle.Pkcs CryptoProObjectIdentifiers.GostR3410x94, algParams.ToAsn1Object()); - return new PrivateKeyInfo(algID, new DerOctetString(keyBytes)); + return new PrivateKeyInfo(algID, new DerOctetString(keyBytes), attributes); + } + + if (privateKey is X448PrivateKeyParameters) + { + X448PrivateKeyParameters key = (X448PrivateKeyParameters)privateKey; + + return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_X448), + new DerOctetString(key.GetEncoded()), attributes, key.GeneratePublicKey().GetEncoded()); + } + + if (privateKey is X25519PrivateKeyParameters) + { + X25519PrivateKeyParameters key = (X25519PrivateKeyParameters)privateKey; + + return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_X25519), + new DerOctetString(key.GetEncoded()), attributes, key.GeneratePublicKey().GetEncoded()); + } + + if (privateKey is Ed448PrivateKeyParameters) + { + Ed448PrivateKeyParameters key = (Ed448PrivateKeyParameters)privateKey; + + return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_Ed448), + new DerOctetString(key.GetEncoded()), attributes, key.GeneratePublicKey().GetEncoded()); + } + + if (privateKey is Ed25519PrivateKeyParameters) + { + Ed25519PrivateKeyParameters key = (Ed25519PrivateKeyParameters)privateKey; + + return new PrivateKeyInfo(new AlgorithmIdentifier(EdECObjectIdentifiers.id_Ed25519), + new DerOctetString(key.GetEncoded()), attributes, key.GeneratePublicKey().GetEncoded()); } - throw new ArgumentException("Class provided is not convertible: " + Platform.GetTypeName(key)); + throw new ArgumentException("Class provided is not convertible: " + Platform.GetTypeName(privateKey)); } public static PrivateKeyInfo CreatePrivateKeyInfo( |