public void CommitPublicNonces(IEnumerable <GroupElement> nonces)
{
var nonceArray = nonces.ToArray();
var label = Encoding.UTF8.GetBytes("nonce-commitment");
var metadata = Enumerable.Concat(label, BitConverter.GetBytes(nonceArray.Length)).ToArray();
_strobe.AddAssociatedMetaData(metadata, false);
for (var i = 0; i < nonceArray.Length; i++)
{
metadata = Enumerable.Concat(BitConverter.GetBytes(i), BitConverter.GetBytes(33)).ToArray();
_strobe.AddAssociatedMetaData(metadata, false);
_strobe.AddAssociatedData(nonceArray[i].ToBytes(), false);
}
}
public TestTranscript(byte[] label)
{
_strobe = new Strobe128("WabiSabi_v1.0");
var metadata = Enumerable.Concat(Encoding.UTF8.GetBytes("domain-separator"), BitConverter.GetBytes(label.Length)).ToArray();
_strobe.AddAssociatedMetaData(metadata, false);
_strobe.AddAssociatedData(label, false);
}
public TestTranscript(byte[] label)
{
_strobe = new Strobe128(ProtocolConstants.WabiSabiProtocolIdentifier);
var metadata = Enumerable.Concat(
Encoding.UTF8.GetBytes(ProtocolConstants.DomainStrobeSeparator),
BitConverter.GetBytes(label.Length)).ToArray();
_strobe.AddAssociatedMetaData(metadata, false);
_strobe.AddAssociatedData(label, false);
}
// Generate Fiat Shamir challenges
public Scalar GenerateChallenge()
{
_strobe.AddAssociatedMetaData(ChallengeTag, false);
return(new Scalar(_strobe.Prf(KeySizeInBytes, false)));
}