private void AddEdchSessionInfo(byte[] si, ISecureRandom random)
{
ECDHPublicKeyParameters ephemeralPublicKey;
var engine = new RFC6637ECDHEngine();
engine.InitForEncryption(random, (ECDHPublicKeyParameters)_pubKey.GetKey(), _pubKey.GetFingerprint(), out ephemeralPublicKey);
var encSession = engine.ProcessBlock(si, 0, si.Length);
_data = new[]
{
new BigInteger(1, ephemeralPublicKey.Q.GetEncoded()),
};
_extraData = encSession;
}
/// <summary>
/// Inits the verification process.
/// </summary>
/// <param name="pubKey">The pub key.</param>
/// <exception cref="PgpException">invalid key.</exception>
public void InitVerify(IPgpPublicKey pubKey)
{
_lastb = 0;
if (_sig == null)
{
_sig = SignerUtilities.GetSigner(PgpUtilities.GetSignatureName(_sigPck.KeyAlgorithm, _sigPck.HashAlgorithm));
}
try
{
_sig.Init(false, pubKey.GetKey());
}
catch (InvalidKeyException e)
{
throw new PgpException("invalid key.", e);
}
}
/// <summary>
/// Inits the verification process.
/// </summary>
/// <param name="pubKey">The pub key.</param>
/// <exception cref="PgpException">invalid key.</exception>
public void InitVerify(IPgpPublicKey pubKey)
{
_lastb = 0;
if (_sig == null)
{
_sig = SignerUtilities.GetSigner(PgpUtilities.GetSignatureName(_sigPck.KeyAlgorithm, _sigPck.HashAlgorithm));
}
try
{
_sig.Init(false, pubKey.GetKey());
}
catch (InvalidKeyException e)
{
throw new PgpException("invalid key.", e);
}
}
