public async Task <Tuple <byte[], string> > SignAsync(byte[] digest, string algorithm, CancellationToken token = default(CancellationToken))
{
if (_csp == null)
{
throw new ObjectDisposedException(string.Format("RsaKey {0} is disposed", Kid));
}
if (algorithm == null)
{
algorithm = DefaultSignatureAlgorithm;
}
if (digest == null)
{
throw new ArgumentNullException("digest");
}
if (_csp.PublicOnly)
{
throw new NotSupportedException("Sign is not supported because no private key is available");
}
AsymmetricSignatureAlgorithm algo = AlgorithmResolver.Default[algorithm] as AsymmetricSignatureAlgorithm;
if (algo == null)
{
throw new NotSupportedException("algorithm is not supported");
}
return(new Tuple <byte[], string>(algo.SignHash(_csp, digest), algorithm));
}
public async Task <Tuple <byte[], string> > SignAsync(byte[] digest, string algorithm = null, CancellationToken token = default(CancellationToken))
{
if (_certificate == null)
{
throw new ObjectDisposedException(string.Format("Certificate {0} is disposed", Kid));
}
if (!_certificate.HasPrivateKey)
{
throw new NotSupportedException("Certificate does not have a private key");
}
if (digest == null)
{
throw new ArgumentNullException("digest");
}
if (algorithm == null)
{
algorithm = DefaultSignatureAlgorithm;
}
AsymmetricSignatureAlgorithm algo = AlgorithmResolver.Default[algorithm] as AsymmetricSignatureAlgorithm;
if (algo == null)
{
throw new NotSupportedException("algorithm is not supported");
}
return(new Tuple <byte[], string>(algo.SignHash(_certificate.PrivateKey, digest), algorithm));
}