init commit

output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Digests/SkeinDigest.cs

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+using Org.BouncyCastle.Crypto.Parameters;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Crypto.Digests;
+
+public class SkeinDigest : IDigest, IMemoable
+{
+	public const int SKEIN_256 = 256;
+
+	public const int SKEIN_512 = 512;
+
+	public const int SKEIN_1024 = 1024;
+
+	private readonly SkeinEngine engine;
+
+	public string AlgorithmName => "Skein-" + engine.BlockSize * 8 + "-" + engine.OutputSize * 8;
+
+	public SkeinDigest(int stateSizeBits, int digestSizeBits)
+	{
+		engine = new SkeinEngine(stateSizeBits, digestSizeBits);
+		Init(null);
+	}
+
+	public SkeinDigest(SkeinDigest digest)
+	{
+		engine = new SkeinEngine(digest.engine);
+	}
+
+	public void Reset(IMemoable other)
+	{
+		SkeinDigest skeinDigest = (SkeinDigest)other;
+		engine.Reset(skeinDigest.engine);
+	}
+
+	public IMemoable Copy()
+	{
+		return new SkeinDigest(this);
+	}
+
+	public int GetDigestSize()
+	{
+		return engine.OutputSize;
+	}
+
+	public int GetByteLength()
+	{
+		return engine.BlockSize;
+	}
+
+	public void Init(SkeinParameters parameters)
+	{
+		engine.Init(parameters);
+	}
+
+	public void Reset()
+	{
+		engine.Reset();
+	}
+
+	public void Update(byte inByte)
+	{
+		engine.Update(inByte);
+	}
+
+	public void BlockUpdate(byte[] inBytes, int inOff, int len)
+	{
+		engine.Update(inBytes, inOff, len);
+	}
+
+	public int DoFinal(byte[] outBytes, int outOff)
+	{
+		return engine.DoFinal(outBytes, outOff);
+	}
+}