public static bool TryHash160(ReadOnlySpan <byte> message, Span <byte> hash)
{
Span <byte> tempBuffer = stackalloc byte[UInt256.Size];
using var sha256 = SHA256.Create();
using var ripemd160 = new RIPEMD160();
if (sha256.TryComputeHash(message, tempBuffer, out var written1) &&
ripemd160.TryComputeHash(tempBuffer, hash, out var written2))
{
Debug.Assert(written1 == UInt256.Size && written2 == UInt160.Size);
return(true);
}
return(false);
}
public static bool TryHash160(ReadOnlySequence <byte> sequence, Span <byte> hash)
{
var hasher = IncrementalHash.CreateHash(HashAlgorithmName.SHA256);
foreach (var segment in sequence)
{
hasher.AppendData(segment.Span);
}
Span <byte> tempBuffer = stackalloc byte[UInt256.Size];
using var ripemd160 = new RIPEMD160();
if (hasher.TryGetHashAndReset(tempBuffer, out var written1) &&
ripemd160.TryComputeHash(tempBuffer, hash, out var written2))
{
Debug.Assert(written1 == UInt256.Size && written2 == UInt160.Size);
return(true);
}
return(false);
}
