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-rw-r--r--bcprov/src/main/java/org/bouncycastle/crypto/digests/SkeinDigest.java115
1 files changed, 0 insertions, 115 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/digests/SkeinDigest.java b/bcprov/src/main/java/org/bouncycastle/crypto/digests/SkeinDigest.java
deleted file mode 100644
index ae1dbd6..0000000
--- a/bcprov/src/main/java/org/bouncycastle/crypto/digests/SkeinDigest.java
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@@ -1,115 +0,0 @@
-package org.bouncycastle.crypto.digests;
-
-import org.bouncycastle.crypto.ExtendedDigest;
-import org.bouncycastle.crypto.engines.ThreefishEngine;
-import org.bouncycastle.crypto.params.SkeinParameters;
-import org.bouncycastle.util.Memoable;
-
-/**
- * Implementation of the Skein parameterised hash function in 256, 512 and 1024 bit block sizes,
- * based on the {@link ThreefishEngine Threefish} tweakable block cipher.
- * <p>
- * This is the 1.3 version of Skein defined in the Skein hash function submission to the NIST SHA-3
- * competition in October 2010.
- * <p>
- * Skein was designed by Niels Ferguson - Stefan Lucks - Bruce Schneier - Doug Whiting - Mihir
- * Bellare - Tadayoshi Kohno - Jon Callas - Jesse Walker.
- *
- * @see SkeinEngine
- * @see SkeinParameters
- */
-public class SkeinDigest
- implements ExtendedDigest, Memoable
-{
- /**
- * 256 bit block size - Skein-256
- */
- public static final int SKEIN_256 = SkeinEngine.SKEIN_256;
- /**
- * 512 bit block size - Skein-512
- */
- public static final int SKEIN_512 = SkeinEngine.SKEIN_512;
- /**
- * 1024 bit block size - Skein-1024
- */
- public static final int SKEIN_1024 = SkeinEngine.SKEIN_1024;
-
- private SkeinEngine engine;
-
- /**
- * Constructs a Skein digest with an internal state size and output size.
- *
- * @param stateSizeBits the internal state size in bits - one of {@link #SKEIN_256}, {@link #SKEIN_512} or
- * {@link #SKEIN_1024}.
- * @param digestSizeBits the output/digest size to produce in bits, which must be an integral number of
- * bytes.
- */
- public SkeinDigest(int stateSizeBits, int digestSizeBits)
- {
- this.engine = new SkeinEngine(stateSizeBits, digestSizeBits);
- init(null);
- }
-
- public SkeinDigest(SkeinDigest digest)
- {
- this.engine = new SkeinEngine(digest.engine);
- }
-
- public void reset(Memoable other)
- {
- SkeinDigest d = (SkeinDigest)other;
- engine.reset(d.engine);
- }
-
- public Memoable copy()
- {
- return new SkeinDigest(this);
- }
-
- public String getAlgorithmName()
- {
- return "Skein-" + (engine.getBlockSize() * 8) + "-" + (engine.getOutputSize() * 8);
- }
-
- public int getDigestSize()
- {
- return engine.getOutputSize();
- }
-
- public int getByteLength()
- {
- return engine.getBlockSize();
- }
-
- /**
- * Optionally initialises the Skein digest with the provided parameters.<br>
- * See {@link SkeinParameters} for details on the parameterisation of the Skein hash function.
- *
- * @param params the parameters to apply to this engine, or <code>null</code> to use no parameters.
- */
- public void init(SkeinParameters params)
- {
- engine.init(params);
- }
-
- public void reset()
- {
- engine.reset();
- }
-
- public void update(byte in)
- {
- engine.update(in);
- }
-
- public void update(byte[] in, int inOff, int len)
- {
- engine.update(in, inOff, len);
- }
-
- public int doFinal(byte[] out, int outOff)
- {
- return engine.doFinal(out, outOff);
- }
-
-}