public RsaSecretBcpgKey( BigInteger d, BigInteger p, BigInteger q) { // PGP requires (p < q) int cmp = p.CompareTo(q); if (cmp >= 0) { if (cmp == 0) throw new ArgumentException("p and q cannot be equal"); BigInteger tmp = p; p = q; q = tmp; } this.d = new MPInteger(d); this.p = new MPInteger(p); this.q = new MPInteger(q); this.u = new MPInteger(p.ModInverse(q)); this.expP = d.Remainder(p.Subtract(BigInteger.One)); this.expQ = d.Remainder(q.Subtract(BigInteger.One)); this.crt = q.ModInverse(p); }
public ElGamalPublicBcpgKey( BcpgInputStream bcpgIn) { this.p = new MPInteger(bcpgIn); this.g = new MPInteger(bcpgIn); this.y = new MPInteger(bcpgIn); }
public RsaSecretBcpgKey( BigInteger d, BigInteger p, BigInteger q) { // PGP requires (p < q) int cmp = p.CompareTo(q); if (cmp >= 0) { if (cmp == 0) { throw new ArgumentException("p and q cannot be equal"); } BigInteger tmp = p; p = q; q = tmp; } this.d = new MPInteger(d); this.p = new MPInteger(p); this.q = new MPInteger(q); this.u = new MPInteger(p.ModInverse(q)); this.expP = d.Remainder(p.Subtract(BigInteger.One)); this.expQ = d.Remainder(q.Subtract(BigInteger.One)); this.crt = q.ModInverse(p); }
/// <param name="n">The modulus.</param> /// <param name="e">The public exponent.</param> public RsaPublicBcpgKey( BigInteger n, BigInteger e) { this.n = new MPInteger(n); this.e = new MPInteger(e); }
/// <param name="bcpgIn">The stream to read the packet from.</param> public DsaPublicBcpgKey( BcpgInputStream bcpgIn) { this.p = new MPInteger(bcpgIn); this.q = new MPInteger(bcpgIn); this.g = new MPInteger(bcpgIn); this.y = new MPInteger(bcpgIn); }
public ElGamalPublicBcpgKey( BigInteger p, BigInteger g, BigInteger y) { this.p = new MPInteger(p); this.g = new MPInteger(g); this.y = new MPInteger(y); }
public DsaPublicBcpgKey( BigInteger p, BigInteger q, BigInteger g, BigInteger y) { this.p = new MPInteger(p); this.q = new MPInteger(q); this.g = new MPInteger(g); this.y = new MPInteger(y); }
public RsaSecretBcpgKey( BcpgInputStream bcpgIn) { this.d = new MPInteger(bcpgIn); this.p = new MPInteger(bcpgIn); this.q = new MPInteger(bcpgIn); this.u = new MPInteger(bcpgIn); this.expP = d.Value.Remainder(p.Value.Subtract(BigInteger.One)); this.expQ = d.Value.Remainder(q.Value.Subtract(BigInteger.One)); this.crt = q.Value.ModInverse(p.Value); }
public override void Encode( BcpgOutputStream bcpgOut) { MemoryStream bOut = new MemoryStream(); BcpgOutputStream pOut = new BcpgOutputStream(bOut); pOut.WriteByte((byte)version); pOut.WriteLong(keyId); pOut.WriteByte((byte)algorithm); for (int i = 0; i != data.Length; i++) { MPInteger.Encode(pOut, data[i]); } bcpgOut.WritePacket(PacketTag.PublicKeyEncryptedSession, bOut.ToArray(), true); }
/// <summary>Construct an RSA public key from the passed in stream.</summary> public RsaPublicBcpgKey( BcpgInputStream bcpgIn) { this.n = new MPInteger(bcpgIn); this.e = new MPInteger(bcpgIn); }
/** * @param in */ public DsaSecretBcpgKey( BcpgInputStream bcpgIn) { this.x = new MPInteger(bcpgIn); }
public SignaturePacket( int version, int signatureType, long keyId, PublicKeyAlgorithmTag keyAlgorithm, HashAlgorithmTag hashAlgorithm, SignatureSubpacket[] hashedData, SignatureSubpacket[] unhashedData, byte[] fingerprint, MPInteger[] signature) { this.version = version; this.signatureType = signatureType; this.keyId = keyId; this.keyAlgorithm = keyAlgorithm; this.hashAlgorithm = hashAlgorithm; this.hashedData = hashedData; this.unhashedData = unhashedData; this.fingerprint = fingerprint; this.signature = signature; if (hashedData != null) { setCreationTime(); } }
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)); IList v = Platform.CreateArrayList(); 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; } }
/** * Generate a version 4 signature packet. * * @param signatureType * @param keyAlgorithm * @param hashAlgorithm * @param hashedData * @param unhashedData * @param fingerprint * @param signature */ public SignaturePacket( int signatureType, long keyId, PublicKeyAlgorithmTag keyAlgorithm, HashAlgorithmTag hashAlgorithm, SignatureSubpacket[] hashedData, SignatureSubpacket[] unhashedData, byte[] fingerprint, MPInteger[] signature) : this(4, signatureType, keyId, keyAlgorithm, hashAlgorithm, hashedData, unhashedData, fingerprint, signature) { }
/** * Generate a version 2/3 signature packet. * * @param signatureType * @param keyAlgorithm * @param hashAlgorithm * @param fingerprint * @param signature */ public SignaturePacket( int version, int signatureType, long keyId, PublicKeyAlgorithmTag keyAlgorithm, HashAlgorithmTag hashAlgorithm, long creationTime, byte[] fingerprint, MPInteger[] signature) : this(version, signatureType, keyId, keyAlgorithm, hashAlgorithm, null, null, fingerprint, signature) { this.creationTime = creationTime; }
public DsaSecretBcpgKey( BigInteger x) { this.x = new MPInteger(x); }
/** * @param x */ public ElGamalSecretBcpgKey( BigInteger x) { this.x = new MPInteger(x); }
/** * @param in */ public ElGamalSecretBcpgKey( BcpgInputStream bcpgIn) { this.x = new MPInteger(bcpgIn); }
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)); IList v = Platform.CreateArrayList(); 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; } }