internal SecretKeyPacket(BcpgInputStream bcpgIn)
{
if (this is SecretSubkeyPacket)
{
pubKeyPacket = new PublicSubkeyPacket(bcpgIn);
}
else
{
pubKeyPacket = new PublicKeyPacket(bcpgIn);
}
s2kUsage = bcpgIn.ReadByte();
if (s2kUsage == 255 || s2kUsage == 254)
{
encAlgorithm = (SymmetricKeyAlgorithmTag)bcpgIn.ReadByte();
s2k = new S2k(bcpgIn);
}
else
{
encAlgorithm = (SymmetricKeyAlgorithmTag)s2kUsage;
}
if ((s2k == null || s2k.Type != 101 || s2k.ProtectionMode != 1) && s2kUsage != 0)
{
if (encAlgorithm < SymmetricKeyAlgorithmTag.Aes128)
{
iv = new byte[8];
}
else
{
iv = new byte[16];
}
bcpgIn.ReadFully(iv);
}
secKeyData = bcpgIn.ReadAll();
}
internal ModDetectionCodePacket(BcpgInputStream bcpgIn)
{
if (bcpgIn == null)
{
throw new ArgumentNullException("bcpgIn");
}
digest = new byte[20];
bcpgIn.ReadFully(digest);
}
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);
val = new BigInteger(1, array);
}
protected static byte[] ReadBytesOfEncodedLength(BcpgInputStream bcpgIn)
{
int num = bcpgIn.ReadByte();
if (num == 0 || num == 255)
{
throw new IOException("future extensions not yet implemented.");
}
byte[] array = new byte[num + 2];
bcpgIn.ReadFully(array, 2, array.Length - 2);
array[0] = 6;
array[1] = (byte)num;
return(array);
}
public ECDHPublicBcpgKey(BcpgInputStream bcpgIn)
: base(bcpgIn)
{
int num = bcpgIn.ReadByte();
byte[] array = new byte[num];
if (array.Length != 3)
{
throw new InvalidOperationException("kdf parameters size of 3 expected.");
}
bcpgIn.ReadFully(array);
reserved = array[0];
hashFunctionId = (HashAlgorithmTag)array[1];
symAlgorithmId = (SymmetricKeyAlgorithmTag)array[2];
VerifyHashAlgorithm();
VerifySymmetricKeyAlgorithm();
}
public MarkerPacket(BcpgInputStream bcpgIn)
{
bcpgIn.ReadFully(marker);
}
internal SignaturePacket(BcpgInputStream bcpgIn)
{
version = bcpgIn.ReadByte();
if (version == 3 || version == 2)
{
bcpgIn.ReadByte();
signatureType = bcpgIn.ReadByte();
creationTime = (((long)bcpgIn.ReadByte() << 24) | ((long)bcpgIn.ReadByte() << 16) | ((long)bcpgIn.ReadByte() << 8) | (uint)bcpgIn.ReadByte()) * 1000;
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)
{
throw new Exception("unsupported version: " + version);
}
signatureType = bcpgIn.ReadByte();
keyAlgorithm = (PublicKeyAlgorithmTag)bcpgIn.ReadByte();
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, writable: false));
IList list = Platform.CreateArrayList();
SignatureSubpacket value;
while ((value = signatureSubpacketsParser.ReadPacket()) != null)
{
list.Add(value);
}
hashedData = new SignatureSubpacket[list.Count];
for (int i = 0; i != hashedData.Length; i++)
{
SignatureSubpacket signatureSubpacket = (SignatureSubpacket)list[i];
if (signatureSubpacket is IssuerKeyId)
{
keyId = ((IssuerKeyId)signatureSubpacket).KeyId;
}
else if (signatureSubpacket is SignatureCreationTime)
{
creationTime = DateTimeUtilities.DateTimeToUnixMs(((SignatureCreationTime)signatureSubpacket).GetTime());
}
hashedData[i] = signatureSubpacket;
}
int num2 = (bcpgIn.ReadByte() << 8) | bcpgIn.ReadByte();
byte[] buffer2 = new byte[num2];
bcpgIn.ReadFully(buffer2);
signatureSubpacketsParser = new SignatureSubpacketsParser(new MemoryStream(buffer2, writable: false));
list.Clear();
while ((value = signatureSubpacketsParser.ReadPacket()) != null)
{
list.Add(value);
}
unhashedData = new SignatureSubpacket[list.Count];
for (int j = 0; j != unhashedData.Length; j++)
{
SignatureSubpacket signatureSubpacket2 = (SignatureSubpacket)list[j];
if (signatureSubpacket2 is IssuerKeyId)
{
keyId = ((IssuerKeyId)signatureSubpacket2).KeyId;
}
unhashedData[j] = signatureSubpacket2;
}
}
fingerprint = new byte[2];
bcpgIn.ReadFully(fingerprint);
switch (keyAlgorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaSign:
{
MPInteger mPInteger8 = new MPInteger(bcpgIn);
signature = new MPInteger[1]
{
mPInteger8
};
return;
}
case PublicKeyAlgorithmTag.Dsa:
{
MPInteger mPInteger6 = new MPInteger(bcpgIn);
MPInteger mPInteger7 = new MPInteger(bcpgIn);
signature = new MPInteger[2]
{
mPInteger6,
mPInteger7
};
return;
}
case PublicKeyAlgorithmTag.ElGamalEncrypt:
case PublicKeyAlgorithmTag.ElGamalGeneral:
{
MPInteger mPInteger3 = new MPInteger(bcpgIn);
MPInteger mPInteger4 = new MPInteger(bcpgIn);
MPInteger mPInteger5 = new MPInteger(bcpgIn);
signature = new MPInteger[3]
{
mPInteger3,
mPInteger4,
mPInteger5
};
return;
}
case PublicKeyAlgorithmTag.ECDsa:
{
MPInteger mPInteger = new MPInteger(bcpgIn);
MPInteger mPInteger2 = new MPInteger(bcpgIn);
signature = new MPInteger[2]
{
mPInteger,
mPInteger2
};
return;
}
}
if (keyAlgorithm >= PublicKeyAlgorithmTag.Experimental_1 && keyAlgorithm <= PublicKeyAlgorithmTag.Experimental_11)
{
signature = null;
MemoryStream memoryStream = new MemoryStream();
int num3;
while ((num3 = bcpgIn.ReadByte()) >= 0)
{
memoryStream.WriteByte((byte)num3);
}
signatureEncoding = memoryStream.ToArray();
return;
}
throw new IOException("unknown signature key algorithm: " + keyAlgorithm);
}
