SabreTools/SabreTools.Hashing
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Enable SHAKE128 and SHAKE256 processing

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This commit is contained in:
Matt Nadareski
2024-03-24 20:07:03 -04:00
parent cb7c84293d
commit 28b33b67f8
2 changed files with 19 additions and 1 deletions
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2
SabreTools.Hashing/HashType.cs
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@@ -124,11 +124,13 @@ namespace SabreTools.Hashing
/// <summary>
/// SHAKE128 SHA-3 family hash
/// </summary>
/// <remarks>Outputs a 256-bit (32-byte) hash</remarks>
SHAKE128,
/// <summary>
/// SHAKE256 SHA-3 family hash
/// </summary>
/// <remarks>Outputs a 512-bit (64-byte) hash</remarks>
SHAKE256,
#endif

18
SabreTools.Hashing/HashWrapper.cs
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@@ -46,6 +46,10 @@ namespace SabreTools.Hashing
#endif
OptimizedCRC ocrc => BitConverter.GetBytes(ocrc.Value).Reverse().ToArray(),
ParallelCRC pcrc => BitConverter.GetBytes(pcrc.Value).Reverse().ToArray(),
#if NET8_0_OR_GREATER
Shake128 s128 => s128.GetCurrentHash(32),
Shake256 s256 => s256.GetCurrentHash(64),
#endif
_ => null,
};
}
@@ -196,13 +200,25 @@ namespace SabreTools.Hashing
case ParallelCRC pc:
pc.Update(buffer, offset, size);
break;
#if NET8_0_OR_GREATER
case Shake128 s128:
var s128BufferSpan = new ReadOnlySpan<byte>(buffer, offset, size)
s128.AppendData(s128BufferSpan);
break;
case Shake256 s256:
var s256BufferSpan = new ReadOnlySpan<byte>(buffer, offset, size)
s256.AppendData(s256BufferSpan);
break;
#endif
}
}
/// <summary>
/// Finalize the internal hash algorigthm
/// </summary>
/// <remarks>NonCryptographicHashAlgorithm implementations do not need finalization</remarks>
/// <remarks>NonCryptographicHashAlgorithm, SHAKE128, and SHAKE256 implementations do not need finalization</remarks>
public void Terminate()
{
byte[] emptyBuffer = [];