internal SecretKeyPacket( BcpgInputStream bcpgIn) { pubKeyPacket = new PublicKeyPacket(bcpgIn); s2kUsage = bcpgIn.ReadByte(); if (s2kUsage == UsageChecksum || s2kUsage == UsageSha1) { encAlgorithm = (SymmetricKeyAlgorithmTag) bcpgIn.ReadByte(); s2k = new S2k(bcpgIn); } else { encAlgorithm = (SymmetricKeyAlgorithmTag) s2kUsage; } if (!(s2k != null && s2k.Type == S2k.GnuDummyS2K && s2k.ProtectionMode == 0x01)) { if (s2kUsage != 0) { if (((int) encAlgorithm) < 7) { iv = new byte[8]; } else { iv = new byte[16]; } bcpgIn.ReadFully(iv); } } secKeyData = bcpgIn.ReadAll(); }
internal PublicKeyEncSessionPacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); algorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); switch ((PublicKeyAlgorithmTag) algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: data = new BigInteger[]{ new MPInteger(bcpgIn).Value }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: data = new BigInteger[] { new MPInteger(bcpgIn).Value, new MPInteger(bcpgIn).Value }; break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
/// <summary> /// Initializes a new instance of the <see cref="SecretKeyPacket"/> class. /// </summary> /// <param name="bcpgIn">The BCPG in.</param> internal SecretKeyPacket(BcpgInputStream bcpgIn) { if (this is SecretSubkeyPacket) { this.PublicKeyPacket = new PublicSubkeyPacket(bcpgIn); } else { this.PublicKeyPacket = new PublicKeyPacket(bcpgIn); } this.S2KUsage = bcpgIn.ReadByte(); if (this.S2KUsage == UsageChecksum || this.S2KUsage == UsageSha1) { this.EncAlgorithm = (SymmetricKeyAlgorithmTag)bcpgIn.ReadByte(); this.S2K = new S2k(bcpgIn); } else { this.EncAlgorithm = (SymmetricKeyAlgorithmTag)this.S2KUsage; } if (!(this.S2K != null && this.S2K.Type == S2k.GnuDummyS2K && this.S2K.ProtectionMode == 0x01)) { if (this.S2KUsage != 0) { _iv = ((int)EncAlgorithm) < 7 ? new byte[8] : new byte[16]; bcpgIn.ReadFully(_iv); } } _secKeyData = bcpgIn.ReadAll(); }
/// <summary> /// Initializes a new instance of the <see cref="SymmetricKeyEncSessionPacket"/> class. /// </summary> /// <param name="bcpgIn">The BCPG in.</param> public SymmetricKeyEncSessionPacket(BcpgInputStream bcpgIn) { Version = bcpgIn.ReadByte(); EncAlgorithm = (SymmetricKeyAlgorithmTag)bcpgIn.ReadByte(); S2K = new S2k(bcpgIn); _secKeyData = bcpgIn.ReadAll(); }
public MPInteger(BcpgInputStream bcpgIn) { if (bcpgIn == null) { throw new ArgumentNullException("bcpgIn"); } int num = bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte(); byte[] array = new byte[(num + 7) / 8]; bcpgIn.ReadFully(array); this.val = new BigInteger(1, array); }
public MPInteger(BcpgInputStream bcpgIn) { if (bcpgIn == null) throw new ArgumentNullException("bcpgIn"); var length = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); var bytes = new byte[(length + 7) / 8]; bcpgIn.ReadFully(bytes); _val = new BigInteger(1, bytes); }
internal PublicKeyPacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); time = ((uint)bcpgIn.ReadByte() << 24) | ((uint)bcpgIn.ReadByte() << 16) | ((uint)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte(); if (version <= 3) { validDays = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); } algorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); switch ((PublicKeyAlgorithmTag) algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: key = new RsaPublicBcpgKey(bcpgIn); break; case PublicKeyAlgorithmTag.Dsa: key = new DsaPublicBcpgKey(bcpgIn); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: key = new ElGamalPublicBcpgKey(bcpgIn); break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
public MPInteger(BcpgInputStream bcpgIn) { if (bcpgIn == null) { throw new ArgumentNullException("bcpgIn"); } var length = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); var bytes = new byte[(length + 7) / 8]; bcpgIn.ReadFully(bytes); _val = new BigInteger(1, bytes); }
protected static byte[] ReadBytesOfEncodedLength( BcpgInputStream bcpgIn) { int length = bcpgIn.ReadByte(); if (length < 0) { throw new EndOfStreamException(); } if (length == 0 || length == 0xFF) { throw new IOException("future extensions not yet implemented"); } if (length > 127) { throw new IOException("unsupported OID"); } byte[] buffer = new byte[length + 2]; bcpgIn.ReadFully(buffer, 2, buffer.Length - 2); buffer[0] = (byte)0x06; buffer[1] = (byte)length; return(buffer); }
internal SecretKeyPacket( BcpgInputStream bcpgIn) { if (this is SecretSubkeyPacket) { pubKeyPacket = new PublicSubkeyPacket(bcpgIn); } else { pubKeyPacket = new PublicKeyPacket(bcpgIn); } s2kUsage = bcpgIn.ReadByte(); if (s2kUsage == UsageChecksum || s2kUsage == UsageSha1) { encAlgorithm = (SymmetricKeyAlgorithmTag)bcpgIn.ReadByte(); s2k = new S2k(bcpgIn); } else { encAlgorithm = (SymmetricKeyAlgorithmTag)s2kUsage; } if (!(s2k != null && s2k.Type == S2k.GnuDummyS2K && s2k.ProtectionMode == 0x01)) { if (s2kUsage != 0) { if (((int)encAlgorithm) < 7) { iv = new byte[8]; } else { iv = new byte[16]; } bcpgIn.ReadFully(iv); } } secKeyData = bcpgIn.ReadAll(); }
public TrustPacket(BcpgInputStream bcpgIn) { MemoryStream memoryStream = new MemoryStream(); int num; while ((num = bcpgIn.ReadByte()) >= 0) { memoryStream.WriteByte((byte)num); } this.levelAndTrustAmount = memoryStream.ToArray(); }
internal PublicKeyEncSessionPacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); switch ((PublicKeyAlgorithmTag)algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: data = new byte[][] { new MPInteger(bcpgIn).GetEncoded() }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: MPInteger p = new MPInteger(bcpgIn); MPInteger g = new MPInteger(bcpgIn); data = new byte[][] { p.GetEncoded(), g.GetEncoded(), }; break; case PublicKeyAlgorithmTag.ECDH: data = new byte[][] { Streams.ReadAll(bcpgIn) }; break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
internal PublicKeyPacket(BcpgInputStream bcpgIn) { this.version = bcpgIn.ReadByte(); this.time = (long)((ulong)(bcpgIn.ReadByte() << 24 | bcpgIn.ReadByte() << 16 | bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte())); if (this.version <= 3) { this.validDays = (bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte()); } this.algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); PublicKeyAlgorithmTag publicKeyAlgorithmTag = this.algorithm; switch (publicKeyAlgorithmTag) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: this.key = new RsaPublicBcpgKey(bcpgIn); return; default: switch (publicKeyAlgorithmTag) { case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: this.key = new ElGamalPublicBcpgKey(bcpgIn); return; case PublicKeyAlgorithmTag.Dsa: this.key = new DsaPublicBcpgKey(bcpgIn); return; } throw new IOException("unknown PGP public key algorithm encountered"); } }
public TrustPacket(BcpgInputStream bcpgIn) { using (var bOut = new MemoryStream()) { int ch; while ((ch = bcpgIn.ReadByte()) >= 0) { bOut.WriteByte((byte) ch); } _levelAndTrustAmount = bOut.ToArray(); } }
public TrustPacket(BcpgInputStream bcpgIn) { using (var bOut = new MemoryStream()) { int ch; while ((ch = bcpgIn.ReadByte()) >= 0) { bOut.WriteByte((byte)ch); } _levelAndTrustAmount = bOut.ToArray(); } }
internal PublicKeyEncSessionPacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); algorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); switch ((PublicKeyAlgorithmTag) algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: data = new byte[][]{ new MPInteger(bcpgIn).GetEncoded() }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: MPInteger p = new MPInteger(bcpgIn); MPInteger g = new MPInteger(bcpgIn); data = new byte[][]{ p.GetEncoded(), g.GetEncoded(), }; break; case PublicKeyAlgorithmTag.ECDH: data = new byte[][]{ Streams.ReadAll(bcpgIn) }; break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
/// <summary> /// Reads the numver of bytes encoded. /// </summary> /// <param name="bcpgIn">The BCPG in.</param> /// <returns></returns> /// <exception cref="System.NotSupportedException">future extensions not yet implemented.</exception> protected byte[] ReadBytesOfEncodedLength(BcpgInputStream bcpgIn) { var length = bcpgIn.ReadByte(); if (length == 0 || length == 0xFF) { throw new PgpException("future extensions not yet implemented."); } var buffer = new byte[length]; bcpgIn.ReadFully(buffer); return(buffer); }
internal PublicKeyEncSessionPacket(BcpgInputStream bcpgIn) { this.version = bcpgIn.ReadByte(); this.keyId |= (long)bcpgIn.ReadByte() << 56; this.keyId |= (long)bcpgIn.ReadByte() << 48; this.keyId |= (long)bcpgIn.ReadByte() << 40; this.keyId |= (long)bcpgIn.ReadByte() << 32; this.keyId |= (long)bcpgIn.ReadByte() << 24; this.keyId |= (long)bcpgIn.ReadByte() << 16; this.keyId |= (long)bcpgIn.ReadByte() << 8; this.keyId |= (long)((ulong)bcpgIn.ReadByte()); this.algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); PublicKeyAlgorithmTag publicKeyAlgorithmTag = this.algorithm; switch (publicKeyAlgorithmTag) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaEncrypt: this.data = new BigInteger[] { new MPInteger(bcpgIn).Value }; return; default: if (publicKeyAlgorithmTag != PublicKeyAlgorithmTag.ElGamalEncrypt && publicKeyAlgorithmTag != PublicKeyAlgorithmTag.ElGamalGeneral) { throw new IOException("unknown PGP public key algorithm encountered"); } this.data = new BigInteger[] { new MPInteger(bcpgIn).Value, new MPInteger(bcpgIn).Value }; return; } }
internal PublicKeyEncSessionPacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); switch ((PublicKeyAlgorithmTag)algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: data = new BigInteger[] { new MPInteger(bcpgIn).Value }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: data = new BigInteger[] { new MPInteger(bcpgIn).Value, new MPInteger(bcpgIn).Value }; break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
protected static byte[] ReadBytesOfEncodedLength( BcpgInputStream bcpgIn) { int length = bcpgIn.ReadByte(); if (length == 0 || length == 0xFF) { throw new IOException("future extensions not yet implemented."); } byte[] buffer = new byte[length + 2]; bcpgIn.ReadFully(buffer, 2, buffer.Length - 2); buffer[0] = (byte)0x06; buffer[1] = (byte)length; return buffer; }
internal PublicKeyPacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); time = ((uint)bcpgIn.ReadByte() << 24) | ((uint)bcpgIn.ReadByte() << 16) | ((uint)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte(); if (version <= 3) { validDays = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); } algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); switch ((PublicKeyAlgorithmTag)algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: key = new RsaPublicBcpgKey(bcpgIn); break; case PublicKeyAlgorithmTag.Dsa: key = new DsaPublicBcpgKey(bcpgIn); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: key = new ElGamalPublicBcpgKey(bcpgIn); break; case PublicKeyAlgorithmTag.EC: key = new ECDHPublicBcpgKey(bcpgIn); break; case PublicKeyAlgorithmTag.ECDsa: key = new ECDsaPublicBcpgKey(bcpgIn); break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
internal LiteralDataPacket(BcpgInputStream bcpgIn) : base(bcpgIn) { this.format = bcpgIn.ReadByte(); int num = bcpgIn.ReadByte(); this.fileName = new byte[num]; for (int num2 = 0; num2 != num; num2++) { this.fileName[num2] = (byte)bcpgIn.ReadByte(); } this.modDate = (long)((ulong)(bcpgIn.ReadByte() << 24 | bcpgIn.ReadByte() << 16 | bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte()) * 1000uL); }
/// <param name="bcpgIn">The stream to read the packet from.</param> public ECDHPublicBcpgKey( BcpgInputStream bcpgIn) : base(bcpgIn) { int length = bcpgIn.ReadByte(); byte[] kdfParameters = new byte[length]; if (kdfParameters.Length != 3) throw new InvalidOperationException("kdf parameters size of 3 expected."); bcpgIn.ReadFully(kdfParameters); reserved = kdfParameters[0]; hashFunctionId = kdfParameters[1]; symAlgorithmId = kdfParameters[2]; VerifyHashAlgorithm(); VerifySymmetricKeyAlgorithm(); }
internal LiteralDataPacket( BcpgInputStream bcpgIn) : base(bcpgIn) { format = bcpgIn.ReadByte(); int len = bcpgIn.ReadByte(); fileName = new byte[len]; for (int i = 0; i != len; ++i) { fileName[i] = (byte)bcpgIn.ReadByte(); } modDate = (((uint)bcpgIn.ReadByte() << 24) | ((uint)bcpgIn.ReadByte() << 16) | ((uint)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; }
public override int ReadByte() { do { if (dataLength != 0) { int ch = m_in.ReadByte(); if (ch < 0) { throw new EndOfStreamException("Premature end of stream in PartialInputStream"); } dataLength--; return(ch); } }while (partial && ReadPartialDataLength() >= 0); return(-1); }
internal LiteralDataPacket( BcpgInputStream bcpgIn) : base(bcpgIn) { format = bcpgIn.ReadByte(); int l = bcpgIn.ReadByte(); char[] fileNameChars = new char[l]; for (int i = 0; i != fileNameChars.Length; i++) { fileNameChars[i] = (char)bcpgIn.ReadByte(); } fileName = new string(fileNameChars); modDate = (((uint)bcpgIn.ReadByte() << 24) | ((uint)bcpgIn.ReadByte() << 16) | ((uint)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; }
/// <param name="bcpgIn">The stream to read the packet from.</param> public ECDHPublicBcpgKey( BcpgInputStream bcpgIn) : base(bcpgIn) { int length = bcpgIn.ReadByte(); byte[] kdfParameters = new byte[length]; if (kdfParameters.Length != 3) { throw new InvalidOperationException("kdf parameters size of 3 expected."); } bcpgIn.ReadFully(kdfParameters); reserved = kdfParameters[0]; hashFunctionId = kdfParameters[1]; symAlgorithmId = kdfParameters[2]; VerifyHashAlgorithm(); VerifySymmetricKeyAlgorithm(); }
public override int ReadByte() { if (dataLength > 0) { int ch = m_in.ReadByte(); if (ch < 0) { throw new IOException("Premature end of stream in PartialInputStream"); } dataLength--; return(ch); } if (partial && ReadPartialDataLength() >= 0) { return(this.ReadByte()); } return(-1); }
public override int ReadByte() { do { if (_dataLength == 0) { continue; } var ch = _in.ReadByte(); if (ch < 0) { throw new EndOfStreamException("Premature end of stream in PartialInputStream"); } _dataLength--; return(ch); }while (_partial && ReadPartialDataLength() >= 0); return(-1); }
internal LiteralDataPacket( BcpgInputStream bcpgIn) : base(bcpgIn) { format = bcpgIn.ReadByte(); int len = bcpgIn.ReadByte(); fileName = new byte[len]; for (int i = 0; i != len; ++i) { int ch = bcpgIn.ReadByte(); if (ch < 0) { throw new IOException("literal data truncated in header"); } fileName[i] = (byte)ch; } modDate = (((uint)bcpgIn.ReadByte() << 24) | ((uint)bcpgIn.ReadByte() << 16) | ((uint)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; }
internal PublicKeyEncSessionPacket(BcpgInputStream bcpgIn) { _version = bcpgIn.ReadByte(); _keyId |= (long)bcpgIn.ReadByte() << 56; _keyId |= (long)bcpgIn.ReadByte() << 48; _keyId |= (long)bcpgIn.ReadByte() << 40; _keyId |= (long)bcpgIn.ReadByte() << 32; _keyId |= (long)bcpgIn.ReadByte() << 24; _keyId |= (long)bcpgIn.ReadByte() << 16; _keyId |= (long)bcpgIn.ReadByte() << 8; _keyId |= (uint)bcpgIn.ReadByte(); _algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); switch (_algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: _data = new[] { new MPInteger(bcpgIn).Value }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: _data = new[] { new MPInteger(bcpgIn).Value, new MPInteger(bcpgIn).Value }; break; case PublicKeyAlgorithmTag.Ecdh: _data = new[] { new MPInteger(bcpgIn).Value }; var length = bcpgIn.ReadByte(); if (length > 0xFF) { throw new IOException("EC DH symmetric key data is too long."); } _extraData = new byte[length]; bcpgIn.ReadFully(_extraData, 0, length); break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
internal SignaturePacket(BcpgInputStream bcpgIn) { this.version = bcpgIn.ReadByte(); if (this.version == 3 || this.version == 2) { bcpgIn.ReadByte(); this.signatureType = bcpgIn.ReadByte(); this.creationTime = ((long)bcpgIn.ReadByte() << 24 | (long)bcpgIn.ReadByte() << 16 | (long)bcpgIn.ReadByte() << 8 | (long)((ulong)bcpgIn.ReadByte())) * 1000L; this.keyId |= (long)bcpgIn.ReadByte() << 56; this.keyId |= (long)bcpgIn.ReadByte() << 48; this.keyId |= (long)bcpgIn.ReadByte() << 40; this.keyId |= (long)bcpgIn.ReadByte() << 32; this.keyId |= (long)bcpgIn.ReadByte() << 24; this.keyId |= (long)bcpgIn.ReadByte() << 16; this.keyId |= (long)bcpgIn.ReadByte() << 8; this.keyId |= (long)((ulong)bcpgIn.ReadByte()); this.keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); this.hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); } else { if (this.version != 4) { throw new Exception("unsupported version: " + this.version); } this.signatureType = bcpgIn.ReadByte(); this.keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); this.hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); int num = bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte(); byte[] buffer = new byte[num]; bcpgIn.ReadFully(buffer); SignatureSubpacketsParser signatureSubpacketsParser = new SignatureSubpacketsParser(new MemoryStream(buffer, false)); IList list = Platform.CreateArrayList(); SignatureSubpacket value; while ((value = signatureSubpacketsParser.ReadPacket()) != null) { list.Add(value); } this.hashedData = new SignatureSubpacket[list.Count]; for (int num2 = 0; num2 != this.hashedData.Length; num2++) { SignatureSubpacket signatureSubpacket = (SignatureSubpacket)list[num2]; if (signatureSubpacket is IssuerKeyId) { this.keyId = ((IssuerKeyId)signatureSubpacket).KeyId; } else if (signatureSubpacket is SignatureCreationTime) { this.creationTime = DateTimeUtilities.DateTimeToUnixMs(((SignatureCreationTime)signatureSubpacket).GetTime()); } this.hashedData[num2] = signatureSubpacket; } int num3 = bcpgIn.ReadByte() << 8 | bcpgIn.ReadByte(); byte[] buffer2 = new byte[num3]; bcpgIn.ReadFully(buffer2); signatureSubpacketsParser = new SignatureSubpacketsParser(new MemoryStream(buffer2, false)); list.Clear(); while ((value = signatureSubpacketsParser.ReadPacket()) != null) { list.Add(value); } this.unhashedData = new SignatureSubpacket[list.Count]; for (int num4 = 0; num4 != this.unhashedData.Length; num4++) { SignatureSubpacket signatureSubpacket2 = (SignatureSubpacket)list[num4]; if (signatureSubpacket2 is IssuerKeyId) { this.keyId = ((IssuerKeyId)signatureSubpacket2).KeyId; } this.unhashedData[num4] = signatureSubpacket2; } } this.fingerprint = new byte[2]; bcpgIn.ReadFully(this.fingerprint); PublicKeyAlgorithmTag publicKeyAlgorithmTag = this.keyAlgorithm; switch (publicKeyAlgorithmTag) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: { MPInteger mPInteger = new MPInteger(bcpgIn); this.signature = new MPInteger[] { mPInteger }; return; } case PublicKeyAlgorithmTag.RsaEncrypt: break; default: switch (publicKeyAlgorithmTag) { case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: { MPInteger mPInteger2 = new MPInteger(bcpgIn); MPInteger mPInteger3 = new MPInteger(bcpgIn); MPInteger mPInteger4 = new MPInteger(bcpgIn); this.signature = new MPInteger[] { mPInteger2, mPInteger3, mPInteger4 }; return; } case PublicKeyAlgorithmTag.Dsa: { MPInteger mPInteger5 = new MPInteger(bcpgIn); MPInteger mPInteger6 = new MPInteger(bcpgIn); this.signature = new MPInteger[] { mPInteger5, mPInteger6 }; return; } } break; } if (this.keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && this.keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11) { this.signature = null; MemoryStream memoryStream = new MemoryStream(); int num5; while ((num5 = bcpgIn.ReadByte()) >= 0) { memoryStream.WriteByte((byte)num5); } this.signatureEncoding = memoryStream.ToArray(); return; } throw new IOException("unknown signature key algorithm: " + this.keyAlgorithm); }
internal SymmetricEncIntegrityPacket( BcpgInputStream bcpgIn) : base(bcpgIn) { version = bcpgIn.ReadByte(); }
internal SignaturePacket(BcpgInputStream bcpgIn) { _version = bcpgIn.ReadByte(); //TODO: refactor switch (_version) { case 2: case 3: bcpgIn.ReadByte(); _signatureType = bcpgIn.ReadByte(); CreationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16) | ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; _keyId |= (long)bcpgIn.ReadByte() << 56; _keyId |= (long)bcpgIn.ReadByte() << 48; _keyId |= (long)bcpgIn.ReadByte() << 40; _keyId |= (long)bcpgIn.ReadByte() << 32; _keyId |= (long)bcpgIn.ReadByte() << 24; _keyId |= (long)bcpgIn.ReadByte() << 16; _keyId |= (long)bcpgIn.ReadByte() << 8; _keyId |= (uint)bcpgIn.ReadByte(); _keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); _hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); break; case 4: { _signatureType = bcpgIn.ReadByte(); _keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); _hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); var hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); var hashed = new byte[hashedLength]; bcpgIn.ReadFully(hashed); // // read the signature sub packet data. // using (var hashedStream = new MemoryStream(hashed, false)) { var sIn = new SignatureSubpacketsParser(hashedStream); var v = Platform.CreateArrayList<ISignatureSubpacket>(); SignatureSubpacket sub; while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); var issuerKeyId = sub as IssuerKeyId; if (issuerKeyId != null) { _keyId = issuerKeyId.KeyId; } else { var signatureCreationTime = sub as SignatureCreationTime; if (signatureCreationTime != null) { CreationTime = DateTimeUtilities.DateTimeToUnixMs(signatureCreationTime.GetTime()); } } } _hashedData = v.ToArray(); var unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); var unhashed = new byte[unhashedLength]; bcpgIn.ReadFully(unhashed); v.Clear(); using (var unhashedStream = new MemoryStream(unhashed, false)) { sIn = new SignatureSubpacketsParser(unhashedStream); while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); var issuerKeyId = sub as IssuerKeyId; if (issuerKeyId != null) { _keyId = issuerKeyId.KeyId; } } } _unhashedData = v.ToArray(); } } break; default: throw new Exception("unsupported version: " + _version); } _fingerprint = new byte[2]; bcpgIn.ReadFully(_fingerprint); switch (_keyAlgorithm) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: var v = new MPInteger(bcpgIn); _signature = new[] { v }; break; case PublicKeyAlgorithmTag.Dsa: case PublicKeyAlgorithmTag.Ecdsa: case PublicKeyAlgorithmTag.Ecdh: var r = new MPInteger(bcpgIn); var s = new MPInteger(bcpgIn); _signature = new[] { r, s }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes. case PublicKeyAlgorithmTag.ElGamalGeneral: var p = new MPInteger(bcpgIn); var g = new MPInteger(bcpgIn); var y = new MPInteger(bcpgIn); _signature = new[] { p, g, y }; break; default: if (_keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && _keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11) { _signature = null; using (var bOut = new MemoryStream()) { int ch; while ((ch = bcpgIn.ReadByte()) >= 0) { bOut.WriteByte((byte)ch); } _signatureEncoding = bOut.ToArray(); } } else { throw new IOException("unknown signature key algorithm: " + _keyAlgorithm); } break; } }
internal SignaturePacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); if (version == 3 || version == 2) { // int l = bcpgIn.ReadByte(); signatureType = bcpgIn.ReadByte(); creationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16) | ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); } else if (version == 4) { signatureType = bcpgIn.ReadByte(); keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); int hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); byte[] hashed = new byte[hashedLength]; bcpgIn.ReadFully(hashed); // // read the signature sub packet data. // SignatureSubpacketsParser sIn = new SignatureSubpacketsParser( new MemoryStream(hashed, false)); ArrayList v = new ArrayList(); SignatureSubpacket sub; while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); } hashedData = new SignatureSubpacket[v.Count]; for (int i = 0; i != hashedData.Length; i++) { SignatureSubpacket p = (SignatureSubpacket)v[i]; if (p is IssuerKeyId) { keyId = ((IssuerKeyId)p).KeyId; } else if (p is SignatureCreationTime) { creationTime = DateTimeUtilities.DateTimeToUnixMs( ((SignatureCreationTime)p).GetTime()); } hashedData[i] = p; } int unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); byte[] unhashed = new byte[unhashedLength]; bcpgIn.ReadFully(unhashed); sIn = new SignatureSubpacketsParser(new MemoryStream(unhashed, false)); v.Clear(); while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); } unhashedData = new SignatureSubpacket[v.Count]; for (int i = 0; i != unhashedData.Length; i++) { SignatureSubpacket p = (SignatureSubpacket)v[i]; if (p is IssuerKeyId) { keyId = ((IssuerKeyId)p).KeyId; } else if (p is SignatureCreationTime) { creationTime = DateTimeUtilities.DateTimeToUnixMs( ((SignatureCreationTime)p).GetTime()); } unhashedData[i] = (SignatureSubpacket)p; } } else { throw new Exception("unsupported version: " + version); } fingerprint = new byte[2]; bcpgIn.ReadFully(fingerprint); switch (keyAlgorithm) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: MPInteger v = new MPInteger(bcpgIn); signature = new MPInteger[] { v }; break; case PublicKeyAlgorithmTag.Dsa: MPInteger r = new MPInteger(bcpgIn); MPInteger s = new MPInteger(bcpgIn); signature = new MPInteger[] { r, s }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes. case PublicKeyAlgorithmTag.ElGamalGeneral: MPInteger p = new MPInteger(bcpgIn); MPInteger g = new MPInteger(bcpgIn); MPInteger y = new MPInteger(bcpgIn); signature = new MPInteger[] { p, g, y }; break; default: throw new IOException("unknown signature key algorithm: " + keyAlgorithm); } }
internal CompressedDataPacket( BcpgInputStream bcpgIn) : base(bcpgIn) { this.algorithm = (CompressionAlgorithmTag) bcpgIn.ReadByte(); }
internal PublicKeyEncSessionPacket(BcpgInputStream bcpgIn) { _version = bcpgIn.ReadByte(); _keyId |= (long)bcpgIn.ReadByte() << 56; _keyId |= (long)bcpgIn.ReadByte() << 48; _keyId |= (long)bcpgIn.ReadByte() << 40; _keyId |= (long)bcpgIn.ReadByte() << 32; _keyId |= (long)bcpgIn.ReadByte() << 24; _keyId |= (long)bcpgIn.ReadByte() << 16; _keyId |= (long)bcpgIn.ReadByte() << 8; _keyId |= (uint)bcpgIn.ReadByte(); _algorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); switch (_algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaGeneral: _data = new[] { new MPInteger(bcpgIn).Value }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: _data = new[] { new MPInteger(bcpgIn).Value, new MPInteger(bcpgIn).Value }; break; case PublicKeyAlgorithmTag.Ecdh: _data = new[] { new MPInteger(bcpgIn).Value }; var length = bcpgIn.ReadByte(); if (length > 0xFF) throw new IOException("EC DH symmetric key data is too long."); _extraData = new byte[length]; bcpgIn.ReadFully(_extraData, 0, length); break; default: throw new IOException("unknown PGP public key algorithm encountered"); } }
internal OnePassSignaturePacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); sigType = bcpgIn.ReadByte(); hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); nested = bcpgIn.ReadByte(); }
internal OnePassSignaturePacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); sigType = bcpgIn.ReadByte(); hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte(); keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); nested = bcpgIn.ReadByte(); }
internal CompressedDataPacket( BcpgInputStream bcpgIn) : base(bcpgIn) { this.algorithm = (CompressionAlgorithmTag)bcpgIn.ReadByte(); }
internal SignaturePacket(BcpgInputStream bcpgIn) { _version = bcpgIn.ReadByte(); //TODO: refactor switch (_version) { case 2: case 3: bcpgIn.ReadByte(); _signatureType = bcpgIn.ReadByte(); CreationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16) | ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; _keyId |= (long)bcpgIn.ReadByte() << 56; _keyId |= (long)bcpgIn.ReadByte() << 48; _keyId |= (long)bcpgIn.ReadByte() << 40; _keyId |= (long)bcpgIn.ReadByte() << 32; _keyId |= (long)bcpgIn.ReadByte() << 24; _keyId |= (long)bcpgIn.ReadByte() << 16; _keyId |= (long)bcpgIn.ReadByte() << 8; _keyId |= (uint)bcpgIn.ReadByte(); _keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); _hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); break; case 4: { _signatureType = bcpgIn.ReadByte(); _keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); _hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); var hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); var hashed = new byte[hashedLength]; bcpgIn.ReadFully(hashed); // // read the signature sub packet data. // using (var hashedStream = new MemoryStream(hashed, false)) { var sIn = new SignatureSubpacketsParser(hashedStream); var v = Platform.CreateArrayList <ISignatureSubpacket>(); SignatureSubpacket sub; while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); var issuerKeyId = sub as IssuerKeyId; if (issuerKeyId != null) { _keyId = issuerKeyId.KeyId; } else { var signatureCreationTime = sub as SignatureCreationTime; if (signatureCreationTime != null) { CreationTime = DateTimeUtilities.DateTimeToUnixMs(signatureCreationTime.GetTime()); } } } _hashedData = v.ToArray(); var unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); var unhashed = new byte[unhashedLength]; bcpgIn.ReadFully(unhashed); v.Clear(); using (var unhashedStream = new MemoryStream(unhashed, false)) { sIn = new SignatureSubpacketsParser(unhashedStream); while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); var issuerKeyId = sub as IssuerKeyId; if (issuerKeyId != null) { _keyId = issuerKeyId.KeyId; } } } _unhashedData = v.ToArray(); } } break; default: throw new Exception("unsupported version: " + _version); } _fingerprint = new byte[2]; bcpgIn.ReadFully(_fingerprint); switch (_keyAlgorithm) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: var v = new MPInteger(bcpgIn); _signature = new[] { v }; break; case PublicKeyAlgorithmTag.Dsa: case PublicKeyAlgorithmTag.Ecdsa: case PublicKeyAlgorithmTag.Ecdh: var r = new MPInteger(bcpgIn); var s = new MPInteger(bcpgIn); _signature = new[] { r, s }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes. case PublicKeyAlgorithmTag.ElGamalGeneral: var p = new MPInteger(bcpgIn); var g = new MPInteger(bcpgIn); var y = new MPInteger(bcpgIn); _signature = new[] { p, g, y }; break; default: if (_keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && _keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11) { _signature = null; using (var bOut = new MemoryStream()) { int ch; while ((ch = bcpgIn.ReadByte()) >= 0) { bOut.WriteByte((byte)ch); } _signatureEncoding = bOut.ToArray(); } } else { throw new IOException("unknown signature key algorithm: " + _keyAlgorithm); } break; } }
/// <summary> /// Reads the numver of bytes encoded. /// </summary> /// <param name="bcpgIn">The BCPG in.</param> /// <returns></returns> /// <exception cref="System.NotSupportedException">future extensions not yet implemented.</exception> protected byte[] ReadBytesOfEncodedLength(BcpgInputStream bcpgIn) { var length = bcpgIn.ReadByte(); if (length == 0 || length == 0xFF) throw new PgpException("future extensions not yet implemented."); var buffer = new byte[length]; bcpgIn.ReadFully(buffer); return buffer; }
internal OnePassSignaturePacket(BcpgInputStream bcpgIn) { this.version = bcpgIn.ReadByte(); this.sigType = bcpgIn.ReadByte(); this.hashAlgorithm = (HashAlgorithmTag)bcpgIn.ReadByte(); this.keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte(); this.keyId |= (long)bcpgIn.ReadByte() << 56; this.keyId |= (long)bcpgIn.ReadByte() << 48; this.keyId |= (long)bcpgIn.ReadByte() << 40; this.keyId |= (long)bcpgIn.ReadByte() << 32; this.keyId |= (long)bcpgIn.ReadByte() << 24; this.keyId |= (long)bcpgIn.ReadByte() << 16; this.keyId |= (long)bcpgIn.ReadByte() << 8; this.keyId |= (long)((ulong)bcpgIn.ReadByte()); this.nested = bcpgIn.ReadByte(); }
internal SignaturePacket( BcpgInputStream bcpgIn) { version = bcpgIn.ReadByte(); if (version == 3 || version == 2) { // int l = bcpgIn.ReadByte(); signatureType = bcpgIn.ReadByte(); creationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16) | ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000L; keyId |= (long)bcpgIn.ReadByte() << 56; keyId |= (long)bcpgIn.ReadByte() << 48; keyId |= (long)bcpgIn.ReadByte() << 40; keyId |= (long)bcpgIn.ReadByte() << 32; keyId |= (long)bcpgIn.ReadByte() << 24; keyId |= (long)bcpgIn.ReadByte() << 16; keyId |= (long)bcpgIn.ReadByte() << 8; keyId |= (uint)bcpgIn.ReadByte(); keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte(); } else if (version == 4) { signatureType = bcpgIn.ReadByte(); keyAlgorithm = (PublicKeyAlgorithmTag) bcpgIn.ReadByte(); hashAlgorithm = (HashAlgorithmTag) bcpgIn.ReadByte(); int hashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); byte[] hashed = new byte[hashedLength]; bcpgIn.ReadFully(hashed); // // read the signature sub packet data. // SignatureSubpacketsParser sIn = new SignatureSubpacketsParser( new MemoryStream(hashed, false)); ArrayList v = new ArrayList(); SignatureSubpacket sub; while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); } hashedData = new SignatureSubpacket[v.Count]; for (int i = 0; i != hashedData.Length; i++) { SignatureSubpacket p = (SignatureSubpacket)v[i]; if (p is IssuerKeyId) { keyId = ((IssuerKeyId)p).KeyId; } else if (p is SignatureCreationTime) { creationTime = DateTimeUtilities.DateTimeToUnixMs( ((SignatureCreationTime)p).GetTime()); } hashedData[i] = p; } int unhashedLength = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte(); byte[] unhashed = new byte[unhashedLength]; bcpgIn.ReadFully(unhashed); sIn = new SignatureSubpacketsParser(new MemoryStream(unhashed, false)); v.Clear(); while ((sub = sIn.ReadPacket()) != null) { v.Add(sub); } unhashedData = new SignatureSubpacket[v.Count]; for (int i = 0; i != unhashedData.Length; i++) { SignatureSubpacket p = (SignatureSubpacket)v[i]; if (p is IssuerKeyId) { keyId = ((IssuerKeyId)p).KeyId; } unhashedData[i] = p; } } else { throw new Exception("unsupported version: " + version); } fingerprint = new byte[2]; bcpgIn.ReadFully(fingerprint); switch (keyAlgorithm) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaSign: MPInteger v = new MPInteger(bcpgIn); signature = new MPInteger[]{ v }; break; case PublicKeyAlgorithmTag.Dsa: MPInteger r = new MPInteger(bcpgIn); MPInteger s = new MPInteger(bcpgIn); signature = new MPInteger[]{ r, s }; break; case PublicKeyAlgorithmTag.ElGamalEncrypt: // yep, this really does happen sometimes. case PublicKeyAlgorithmTag.ElGamalGeneral: MPInteger p = new MPInteger(bcpgIn); MPInteger g = new MPInteger(bcpgIn); MPInteger y = new MPInteger(bcpgIn); signature = new MPInteger[]{ p, g, y }; break; default: if (keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11) { signature = null; MemoryStream bOut = new MemoryStream(); int ch; while ((ch = bcpgIn.ReadByte()) >= 0) { bOut.WriteByte((byte) ch); } signatureEncoding = bOut.ToArray(); } else { throw new IOException("unknown signature key algorithm: " + keyAlgorithm); } break; } }