1 files changed, 0 insertions, 205 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/SHA512tDigest.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/SHA512tDigest.java
deleted file mode 100644
index c6d2dd767..000000000
--- a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/digests/SHA512tDigest.java
+++ /dev/null
@@ -1,205 +0,0 @@
-package org.spongycastle.crypto.digests;
-
-import org.spongycastle.util.Memoable;
-import org.spongycastle.util.MemoableResetException;
-
-/**
- * FIPS 180-4 implementation of SHA-512/t
- */
-public class SHA512tDigest
-    extends LongDigest
-{
-    private final int digestLength;
-
-    private long  H1t, H2t, H3t, H4t, H5t, H6t, H7t, H8t;
-
-    /**
-     * Standard constructor
-     */
-    public SHA512tDigest(int bitLength)
-    {
-        if (bitLength >= 512)
-        {
-            throw new IllegalArgumentException("bitLength cannot be >= 512");
-        }
-
-        if (bitLength % 8 != 0)
-        {
-            throw new IllegalArgumentException("bitLength needs to be a multiple of 8");
-        }
-
-        if (bitLength == 384)
-        {
-            throw new IllegalArgumentException("bitLength cannot be 384 use SHA384 instead");
-        }
-
-        this.digestLength = bitLength / 8;
-
-        tIvGenerate(digestLength * 8);
-
-        reset();
-    }
-
-    /**
-     * Copy constructor.  This will copy the state of the provided
-     * message digest.
-     */
-    public SHA512tDigest(SHA512tDigest t)
-    {
-        super(t);
-
-        this.digestLength = t.digestLength;
-
-        reset(t);
-    }
-
-    public String getAlgorithmName()
-    {
-        return "SHA-512/" + Integer.toString(digestLength * 8);
-    }
-
-    public int getDigestSize()
-    {
-        return digestLength;
-    }
-
-    public int doFinal(
-        byte[]  out,
-        int     outOff)
-    {
-        finish();
-
-        longToBigEndian(H1, out, outOff, digestLength);
-        longToBigEndian(H2, out, outOff + 8, digestLength - 8);
-        longToBigEndian(H3, out, outOff + 16, digestLength - 16);
-        longToBigEndian(H4, out, outOff + 24, digestLength - 24);
-        longToBigEndian(H5, out, outOff + 32, digestLength - 32);
-        longToBigEndian(H6, out, outOff + 40, digestLength - 40);
-        longToBigEndian(H7, out, outOff + 48, digestLength - 48);
-        longToBigEndian(H8, out, outOff + 56, digestLength - 56);
-
-        reset();
-
-        return digestLength;
-    }
-
-    /**
-     * reset the chaining variables
-     */
-    public void reset()
-    {
-        super.reset();
-
-        /*
-         * initial hash values use the iv generation algorithm for t.
-         */
-        H1 = H1t;
-        H2 = H2t;
-        H3 = H3t;
-        H4 = H4t;
-        H5 = H5t;
-        H6 = H6t;
-        H7 = H7t;
-        H8 = H8t;
-    }
-
-    private void tIvGenerate(int bitLength)
-    {
-        H1 = 0x6a09e667f3bcc908L ^ 0xa5a5a5a5a5a5a5a5L;
-        H2 = 0xbb67ae8584caa73bL ^ 0xa5a5a5a5a5a5a5a5L;
-        H3 = 0x3c6ef372fe94f82bL ^ 0xa5a5a5a5a5a5a5a5L;
-        H4 = 0xa54ff53a5f1d36f1L ^ 0xa5a5a5a5a5a5a5a5L;
-        H5 = 0x510e527fade682d1L ^ 0xa5a5a5a5a5a5a5a5L;
-        H6 = 0x9b05688c2b3e6c1fL ^ 0xa5a5a5a5a5a5a5a5L;
-        H7 = 0x1f83d9abfb41bd6bL ^ 0xa5a5a5a5a5a5a5a5L;
-        H8 = 0x5be0cd19137e2179L ^ 0xa5a5a5a5a5a5a5a5L;
-
-        update((byte)0x53);
-        update((byte)0x48);
-        update((byte)0x41);
-        update((byte)0x2D);
-        update((byte)0x35);
-        update((byte)0x31);
-        update((byte)0x32);
-        update((byte)0x2F);
-
-        if (bitLength > 100)
-        {
-            update((byte)(bitLength / 100 + 0x30));
-            bitLength = bitLength % 100;
-            update((byte)(bitLength / 10 + 0x30));
-            bitLength = bitLength % 10;
-            update((byte)(bitLength + 0x30));
-        }
-        else if (bitLength > 10)
-        {
-            update((byte)(bitLength / 10 + 0x30));
-            bitLength = bitLength % 10;
-            update((byte)(bitLength + 0x30));
-        }
-        else
-        {
-            update((byte)(bitLength + 0x30));
-        }
-
-        finish();
-
-        H1t = H1;
-        H2t = H2;
-        H3t = H3;
-        H4t = H4;
-        H5t = H5;
-        H6t = H6;
-        H7t = H7;
-        H8t = H8;
-    }
-
-    private static void longToBigEndian(long n, byte[] bs, int off, int max)
-    {
-        if (max > 0)
-        {
-            intToBigEndian((int)(n >>> 32), bs, off, max);
-
-            if (max > 4)
-            {
-                intToBigEndian((int)(n & 0xffffffffL), bs, off + 4, max - 4);
-            }
-        }
-    }
-
-    private static void intToBigEndian(int n, byte[] bs, int off, int max)
-    {
-        int num = Math.min(4, max);
-        while (--num >= 0)
-        {
-            int shift = 8 * (3 - num);
-            bs[off + num] = (byte)(n >>> shift);
-        }
-    }
-
-    public Memoable copy()
-    {
-        return new SHA512tDigest(this);
-    }
-
-    public void reset(Memoable other)
-    {
-        SHA512tDigest t = (SHA512tDigest)other;
-
-        if (this.digestLength != t.digestLength)
-        {
-            throw new MemoableResetException("digestLength inappropriate in other");
-        }
-
-        super.copyIn(t);
-
-        this.H1t = t.H1t;
-        this.H2t = t.H2t;
-        this.H3t = t.H3t;
-        this.H4t = t.H4t;
-        this.H5t = t.H5t;
-        this.H6t = t.H6t;
-        this.H7t = t.H7t;
-        this.H8t = t.H8t;
-    }
-}