/// <summary></summary>
private void Initialise()
{
_iDBits = _iPBits = _iQBits = _iInverseQBits = _iOffsetSecretKey = 0;
_eStringToKeyUsage = nStringToKeyUsage.Sha1;
_eSymmetricKeyAlgorithm = nSymmetricKeyAlgorithm.Aes128;
_eStringToKeySpecifier = nStringToKeySpecifier.SaltedAndIterated;
_eHashAlgorithm = nHashAlgorithm.Sha1;
_Cryptography = null;
_PublicKey = null;
_KeyParameters = new RSAParameters();
}
/// <summary></summary>
public PgpPrivateKey(PgpPacket FromPacket, EncryptionServices Cryptography) : base(FromPacket)
{
PgpPublicKeyUtility KeyUtility;
Initialise();
_Cryptography = Cryptography;
KeyUtility = new PgpPublicKeyUtility(_abRawBytes); // extract the public key bytes
_eStatus = KeyUtility.eStatus;
if (_eStatus == nStatus.OK)
{
_PublicKey = new PgpPublicKey(new PgpPacket(KeyUtility.abRawBytes, 0)); // and turn them into a public key
_KeyParameters.Exponent = KeyUtility.abExponent;
_KeyParameters.Modulus = KeyUtility.abModulus;
_eStatus = _PublicKey.eStatus;
if (_eStatus == nStatus.OK)
{
_iOffsetSecretKey = _PublicKey.iHeaderLength + _PublicKey.iDataLength;
_eStringToKeyUsage = (nStringToKeyUsage)_abRawBytes[_iOffsetSecretKey++];
if ((_eStringToKeyUsage == nStringToKeyUsage.Sha1) || (_eStringToKeyUsage == nStringToKeyUsage.Checksum))
{
_eSymmetricKeyAlgorithm = (nSymmetricKeyAlgorithm)_abRawBytes[_iOffsetSecretKey++];
_eStringToKeySpecifier = (nStringToKeySpecifier)_abRawBytes[_iOffsetSecretKey++];
_eHashAlgorithm = (nHashAlgorithm)_abRawBytes[_iOffsetSecretKey++];
if ((_eSymmetricKeyAlgorithm == nSymmetricKeyAlgorithm.Unencrypted) || (_eSymmetricKeyAlgorithm == nSymmetricKeyAlgorithm.Aes128))
{
if (_eStringToKeySpecifier == nStringToKeySpecifier.GnuDummy)
{
throw new NotImplementedException("eStringToKeySpecifier == nStringToKeySpecifier.GnuDummy");
}
}
else
{
_eStatus = nStatus.AlgorithmNotSupported;
}
}
else
{
_eStatus = nStatus.AlgorithmNotSupported;
}
}
}
}
