public Task <Tuple <byte[], string> > SignAsync(byte[] digest, string algorithm = null, CancellationToken token = default(CancellationToken))
{
if (_implementation == null)
{
throw new ObjectDisposedException("KeyVaultKey");
}
if (string.IsNullOrWhiteSpace(algorithm))
{
algorithm = DefaultSignatureAlgorithm;
}
// Never local
return(_client.SignAsync(_implementation.Kid, algorithm, digest, token)
.ContinueWith(result => new Tuple <byte[], string>(result.Result.Result, algorithm), token));
}
