public void Md5_span_returns_hashed_message()
 {
     Assert.Equal(MessageMd5, Crypto.Md5(MessageBytes.AsRoSpan()));
 }
 public void Sha1_span_returns_hashed_message()
 {
     Assert.Equal(MessageSha1, Crypto.Sha1(MessageBytes.AsRoSpan()));
 }
 public void HmacSha256_span_returns_mac()
 {
     Assert.Equal(MessageHmacSha256, Crypto.HmacSha256("key".ToBytes(), MessageBytes.AsRoSpan()));
 }