protected void VerifyHmac_Empty(string digest)
{
// using ReadOnlySpan<byte>.Empty may throw NRE if length not validated correctly
var hmac = Create(ReadOnlySpan <byte> .Empty);
byte[] digestBytes = ByteUtils.HexToByteArray(digest);
byte[] computedDigest = new byte[hmac.HashSize];
hmac.ComputeHash(ByteUtils.AsciiBytes("Empty key"), computedDigest);
Assert.Equal(digestBytes, computedDigest);
hmac = Create(Array.Empty <byte>());
hmac.ComputeHash(ByteUtils.AsciiBytes("Empty key"), computedDigest);
Assert.Equal(digestBytes, computedDigest);
}
protected void Verify(string input, string prepend, string output)
{
Verify(ByteUtils.AsciiBytes(input), ByteUtils.AsciiBytes(prepend), output);
}