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");
}
}