public byte[] CalculateRawSignature(AsymmetricKeyParameter privateKey, byte[] md5andsha1)
{
// Note: Only use the SHA1 part of the hash
ISigner sig = new DsaDigestSigner(new DsaSigner(), new NullDigest());
sig.Init(true, privateKey);
sig.BlockUpdate(md5andsha1, 16, 20);
return sig.GenerateSignature();
}
public void ThrowIfSignatureNotOkay(byte[] signature, params byte[][] inputs)
{
var signer = new DsaDigestSigner(new ECDsaSigner(), new Sha256Digest());
signer.Init(false, _publicKey);
foreach (var input in inputs)
{
signer.BlockUpdate(input, 0, input.Length);
}
if (!signer.VerifySignature(signature))
{
throw new ApplicationException();
}
}
