public bool GenerateAndCompareServerVerify(ReadableBuffer buffer)
{
buffer = buffer.Slice(Unsafe.SizeOf <HandshakeHeader>());
var hashResult = new byte[_state.HandshakeHash.HashSize];
_state.HandshakeHash.FinishHash(hashResult);
_cryptoProvider.HashProvider.Tls12Prf(_state.CipherSuite.HashType, _masterSecret.Span, Tls12.Label_ServerFinished, hashResult, _serverVerify.Span);
return(CompareFunctions.ConstantTimeEquals(_serverVerify.Span, buffer.ToSpan()));
}
public ILBuilder(ILGenerator il)
{
this.il = il;
this.arguments = new ArgumentFunctions(this);
this.compare = new CompareFunctions(this);
this.convert = new ConvertFunctions(this);
this.math = new MathFunctions(this);
}
public void CompareClientFinishedGenerateServerFinished(ReadableBuffer buffer)
{
_state.HandshakeHash.HashData(buffer);
buffer = buffer.Slice(4);
var result = CompareFunctions.ConstantTimeEquals(_clientSpan, buffer);
var hashResult = stackalloc byte[_state.HandshakeHash.HashSize + Tls1_2Consts.ServerFinishedLabelSize];
var seed = new Span <byte>(hashResult, _state.HandshakeHash.HashSize + Tls1_2Consts.ServerFinishedLabelSize);
_state.HandshakeHash.InterimHash(hashResult + Tls1_2Consts.ServerFinishedLabelSize, _state.HandshakeHash.HashSize);
var finishedLabel = Tls1_2Consts.GetServerFinishedSpan();
finishedLabel.CopyTo(seed);
PrfFunctions.P_Hash12(_state.CryptoProvider.HashProvider, _state.CipherSuite.HashType, _serverSpan, _masterSecret, Tls1_2Consts.MASTER_SECRET_LENGTH, seed);
}
