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 DsaPublicBcpgKey(BcpgInputStream bcpgIn)
{
p = new MPInteger(bcpgIn);
q = new MPInteger(bcpgIn);
g = new MPInteger(bcpgIn);
y = new MPInteger(bcpgIn);
}
public DsaPublicBcpgKey(IBigInteger p, IBigInteger q, IBigInteger g, IBigInteger y)
{
_p = new MPInteger(p);
_q = new MPInteger(q);
_g = new MPInteger(g);
_y = new MPInteger(y);
}
/// <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);
}
public DsaPublicBcpgKey(IBigInteger p, IBigInteger q, IBigInteger g, IBigInteger y)
{
_p = new MPInteger(p);
_q = new MPInteger(q);
_g = new MPInteger(g);
_y = new MPInteger(y);
}
/// <param name="bcpgIn">The stream to read the packet from.</param>
public DsaPublicBcpgKey(BcpgInputStream bcpgIn)
{
_p = new MPInteger(bcpgIn);
_q = new MPInteger(bcpgIn);
_g = new MPInteger(bcpgIn);
_y = new MPInteger(bcpgIn);
}
/// <param name="bcpgIn">The stream to read the packet from.</param>
public DsaPublicBcpgKey(BcpgInputStream bcpgIn)
{
_p = new MPInteger(bcpgIn);
_q = new MPInteger(bcpgIn);
_g = new MPInteger(bcpgIn);
_y = new MPInteger(bcpgIn);
}
public override void Encode(IBcpgOutputStream bcpgOut)
{
using (var bOut = new MemoryStream())
{
using (var pOut = new BcpgOutputStream(bOut))
{
pOut.WriteByte((byte)_version);
pOut.WriteLong(_keyId);
pOut.WriteByte((byte)_algorithm);
for (var i = 0; i != _data.Length; i++)
{
MPInteger.EncodeInteger(pOut, _data[i]);
}
if (_extraData != null)
{
if (_extraData.Length > 0xFF)
{
throw new PgpException("Extra Data is too large.");
}
pOut.WriteByte((byte)_extraData.Length);
pOut.Write(_extraData, 0, _extraData.Length);
}
bcpgOut.WritePacket(PacketTag.PublicKeyEncryptedSession, bOut.ToArray(), true);
}
}
}
public ElGamalPublicBcpgKey(
BcpgInputStream bcpgIn)
{
this.p = new MPInteger(bcpgIn);
this.g = new MPInteger(bcpgIn);
this.y = new MPInteger(bcpgIn);
}
public ElGamalPublicBcpgKey(
BcpgInputStream bcpgIn)
{
this.p = new MPInteger(bcpgIn);
this.g = new MPInteger(bcpgIn);
this.y = new MPInteger(bcpgIn);
}
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 DsaPublicBcpgKey(BcpgInputStream bcpgIn)
{
this.p = new MPInteger(bcpgIn);
this.q = new MPInteger(bcpgIn);
this.g = new MPInteger(bcpgIn);
this.y = new MPInteger(bcpgIn);
}
/// <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);
}
public RsaSecretBcpgKey(IBigInteger d, IBigInteger p, IBigInteger q)
{
// PGP requires (p < q)
var cmp = p.CompareTo(q);
if (cmp >= 0)
{
if (cmp == 0)
{
throw new ArgumentException("p and q cannot be equal");
}
var tmp = p;
p = q;
q = tmp;
}
_d = new MPInteger(d);
_p = new MPInteger(p);
_q = new MPInteger(q);
_u = new MPInteger(p.ModInverse(q));
_expP = d.Remainder(p.Subtract(BigInteger.One));
_expQ = d.Remainder(q.Subtract(BigInteger.One));
_crt = q.ModInverse(p);
}
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 override void Encode(BcpgOutputStream bcpgOut)
{
byte[] encoded = oid.GetEncoded();
((Stream)bcpgOut).Write(encoded, 1, encoded.Length - 1);
MPInteger bcpgObject = new MPInteger(point);
bcpgOut.WriteObject(bcpgObject);
}
/// <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 ElGamalPublicBcpgKey(
BigInteger p,
BigInteger g,
BigInteger y)
{
this.p = new MPInteger(p);
this.g = new MPInteger(g);
this.y = new MPInteger(y);
}
public override void Encode(
BcpgOutputStream bcpgOut)
{
byte[] oid = this.oid.GetEncoded();
bcpgOut.Write(oid, 1, oid.Length - 1);
MPInteger point = new MPInteger(this.point);
bcpgOut.WriteObject(point);
}
public override void Encode(
BcpgOutputStream bcpgOut)
{
byte[] oid = this.oid.GetEncoded();
bcpgOut.Write(oid, 1, oid.Length - 1);
MPInteger point = new MPInteger(this.point);
bcpgOut.WriteObject(point);
}
public RsaSecretBcpgKey(BcpgInputStream bcpgIn)
{
d = new MPInteger(bcpgIn);
p = new MPInteger(bcpgIn);
q = new MPInteger(bcpgIn);
u = new MPInteger(bcpgIn);
expP = d.Value.Remainder(p.Value.Subtract(BigInteger.One));
expQ = d.Value.Remainder(q.Value.Subtract(BigInteger.One));
crt = q.Value.ModInverse(p.Value);
}
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 = this.d.Value.Remainder(this.p.Value.Subtract(BigInteger.One));
this.expQ = this.d.Value.Remainder(this.q.Value.Subtract(BigInteger.One));
this.crt = this.q.Value.ModInverse(this.p.Value);
}
public RsaSecretBcpgKey(BcpgInputStream bcpgIn)
{
_d = new MPInteger(bcpgIn);
_p = new MPInteger(bcpgIn);
_q = new MPInteger(bcpgIn);
_u = new MPInteger(bcpgIn);
_expP = _d.Value.Remainder(_p.Value.Subtract(BigInteger.One));
_expQ = _d.Value.Remainder(_q.Value.Subtract(BigInteger.One));
_crt = _q.Value.ModInverse(_p.Value);
}
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)
{
_d = new MPInteger(bcpgIn);
_p = new MPInteger(bcpgIn);
_q = new MPInteger(bcpgIn);
_u = new MPInteger(bcpgIn);
_expP = _d.Value.Remainder(_p.Value.Subtract(BigInteger.One));
_expQ = _d.Value.Remainder(_q.Value.Subtract(BigInteger.One));
_crt = _q.Value.ModInverse(_p.Value);
}
/// <summary>
/// Encodes the specified BCPG out.
/// </summary>
/// <param name="bcpgOut">The BCPG out.</param>
public override void Encode(IBcpgOutputStream bcpgOut)
{
var oid = this.Oid.ToBytes();
bcpgOut.WriteByte((byte)oid.Length);
bcpgOut.Write(oid, 0, oid.Length);
var point = new MPInteger(new BigInteger(1, _point.GetEncoded()));
bcpgOut.WriteObject(point);
}
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);
}
/**
* 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 override void Encode(BcpgOutputStream bcpgOut)
{
MemoryStream memoryStream = new MemoryStream();
BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream);
bcpgOutputStream.WriteByte((byte)this.version);
bcpgOutputStream.WriteLong(this.keyId);
bcpgOutputStream.WriteByte((byte)this.algorithm);
for (int num = 0; num != this.data.Length; num++)
{
MPInteger.Encode(bcpgOutputStream, this.data[num]);
}
bcpgOut.WritePacket(PacketTag.PublicKeyEncryptedSession, memoryStream.ToArray(), true);
}
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);
}
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 PublicKeyEncSessionPacket(BcpgInputStream bcpgIn)
{
//IL_0171: Unknown result type (might be due to invalid IL or missing references)
version = ((Stream)bcpgIn).ReadByte();
keyId |= (long)((Stream)bcpgIn).ReadByte() << 56;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 48;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 40;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 32;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 24;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 16;
keyId |= (long)((Stream)bcpgIn).ReadByte() << 8;
keyId |= (uint)((Stream)bcpgIn).ReadByte();
algorithm = (PublicKeyAlgorithmTag)((Stream)bcpgIn).ReadByte();
switch (algorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaEncrypt:
data = new byte[1][] { new MPInteger(bcpgIn).GetEncoded() };
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt:
case PublicKeyAlgorithmTag.ElGamalGeneral:
{
MPInteger mPInteger = new MPInteger(bcpgIn);
MPInteger mPInteger2 = new MPInteger(bcpgIn);
data = new byte[2][]
{
mPInteger.GetEncoded(),
mPInteger2.GetEncoded()
};
break;
}
case PublicKeyAlgorithmTag.EC:
data = new byte[1][] { Streams.ReadAll((Stream)(object)bcpgIn) };
break;
default:
throw new IOException("unknown PGP public key algorithm encountered");
}
}
public RsaSecretBcpgKey(
BigInteger d,
BigInteger p,
BigInteger q)
{
// pgp requires (p < q)
if (p.CompareTo(q) > 0)
{
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 RsaSecretBcpgKey(
BigInteger d,
BigInteger p,
BigInteger q)
{
// pgp requires (p < q)
if (p.CompareTo(q) > 0)
{
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 RsaSecretBcpgKey(BigInteger d, BigInteger p, BigInteger q)
{
int num = p.CompareTo(q);
if (num >= 0)
{
if (num == 0)
{
throw new ArgumentException("p and q cannot be equal");
}
BigInteger bigInteger = p;
p = q;
q = bigInteger;
}
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);
}
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");
}
}
public RsaSecretBcpgKey(BigInteger d, BigInteger p, BigInteger q)
{
//IL_001a: Unknown result type (might be due to invalid IL or missing references)
int num = p.CompareTo(q);
if (num >= 0)
{
if (num == 0)
{
throw new ArgumentException("p and q cannot be equal");
}
BigInteger bigInteger = p;
p = q;
q = bigInteger;
}
this.d = new MPInteger(d);
this.p = new MPInteger(p);
this.q = new MPInteger(q);
u = new MPInteger(p.ModInverse(q));
expP = d.Remainder(p.Subtract(BigInteger.One));
expQ = d.Remainder(q.Subtract(BigInteger.One));
crt = q.ModInverse(p);
}
public RsaSecretBcpgKey(IBigInteger d, IBigInteger p, IBigInteger q)
{
// PGP requires (p < q)
var cmp = p.CompareTo(q);
if (cmp >= 0)
{
if (cmp == 0)
throw new ArgumentException("p and q cannot be equal");
var tmp = p;
p = q;
q = tmp;
}
_d = new MPInteger(d);
_p = new MPInteger(p);
_q = new MPInteger(q);
_u = new MPInteger(p.ModInverse(q));
_expP = d.Remainder(p.Subtract(BigInteger.One));
_expQ = d.Remainder(q.Subtract(BigInteger.One));
_crt = q.ModInverse(p);
}
public RsaSecretBcpgKey(
BcpgInputStream bcpgIn)
{
this.d = new MPInteger(bcpgIn);
MPInteger p = new MPInteger(bcpgIn);
MPInteger q = new MPInteger(bcpgIn);
// pgp requires (p < q)
if (p.Value.CompareTo(q.Value) > 0)
{
MPInteger tmp = p;
p = q;
q = tmp;
}
this.p = p;
this.q = q;
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 byte[] GetSignatureBytes()
{
if (this.signatureEncoding != null)
{
return((byte[])this.signatureEncoding.Clone());
}
MemoryStream memoryStream = new MemoryStream();
BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream);
MPInteger[] array = this.signature;
for (int i = 0; i < array.Length; i++)
{
MPInteger bcpgObject = array[i];
try
{
bcpgOutputStream.WriteObject(bcpgObject);
}
catch (IOException arg)
{
throw new Exception("internal error: " + arg);
}
}
return(memoryStream.ToArray());
}
public RsaSecretBcpgKey(
BcpgInputStream bcpgIn)
{
this.d = new MPInteger(bcpgIn);
MPInteger p = new MPInteger(bcpgIn);
MPInteger q = new MPInteger(bcpgIn);
// pgp requires (p < q)
if (p.Value.CompareTo(q.Value) > 0)
{
MPInteger tmp = p;
p = q;
q = tmp;
}
this.p = p;
this.q = q;
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 DsaSecretBcpgKey(IBigInteger x)
{
_x = new MPInteger(x);
}
/// <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);
}
public DsaSecretBcpgKey(
BigInteger x)
{
this.x = new MPInteger(x);
}
/**
* @param in
*/
public DsaSecretBcpgKey(
BcpgInputStream bcpgIn)
{
this.x = new MPInteger(bcpgIn);
}
public ElGamalPublicBcpgKey(BcpgInputStream bcpgIn)
{
_p = new MPInteger(bcpgIn);
_g = new MPInteger(bcpgIn);
_y = 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));
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;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ElGamalSecretBcpgKey"/> class.
/// </summary>
/// <param name="bcpgIn">The BCPG in.</param>
public ElGamalSecretBcpgKey(BcpgInputStream bcpgIn)
{
_x = new MPInteger(bcpgIn);
}
/**
* @param in
*/
public DsaSecretBcpgKey(
BcpgInputStream bcpgIn)
{
this.x = new MPInteger(bcpgIn);
}
/// <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 name="n">The modulus.</param>
/// <param name="e">The public exponent.</param>
public RsaPublicBcpgKey(IBigInteger n, IBigInteger e)
{
_n = new MPInteger(n);
_e = new MPInteger(e);
}
/// <summary>Construct an RSA public key from the passed in stream.</summary>
public RsaPublicBcpgKey(BcpgInputStream bcpgIn)
{
_n = new MPInteger(bcpgIn);
_e = new MPInteger(bcpgIn);
}
public DsaSecretBcpgKey(
BigInteger x)
{
this.x = new MPInteger(x);
}
/// <summary>
/// Encodes the specified BCPG out.
/// </summary>
/// <param name="bcpgOut">The BCPG out.</param>
public override void Encode(IBcpgOutputStream bcpgOut)
{
var oid = this.Oid.ToBytes();
bcpgOut.WriteByte((byte)oid.Length);
bcpgOut.Write(oid, 0, oid.Length);
var point = new MPInteger(new BigInteger(1, _point.GetEncoded()));
bcpgOut.WriteObject(point);
}
/// <summary>
/// Initializes a new instance of the <see cref="ElGamalSecretBcpgKey"/> class.
/// </summary>
/// <param name="x">The x.</param>
public ElGamalSecretBcpgKey(IBigInteger x)
{
_x = new MPInteger(x);
}
public ElGamalPublicBcpgKey(IBigInteger p, IBigInteger g, IBigInteger y)
{
_p = new MPInteger(p);
_g = new MPInteger(g);
_y = new MPInteger(y);
}
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();
}
}
/**
* @param x
*/
public ElGamalSecretBcpgKey(
BigInteger x)
{
this.x = new MPInteger(x);
}