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| author | Mattias Andrée <maandree@operamail.com> | 2014-11-13 04:31:43 +0100 | 
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2014-11-13 04:31:43 +0100 | 
| commit | 25d561ca9aa5054896bd7c556a3efc6f4663beed (patch) | |
| tree | a4e906d08feb44c13eea7421cfb63cbe575a2b8e /java | |
| parent | fix bug (diff) | |
| download | sha3sum-25d561ca9aa5054896bd7c556a3efc6f4663beed.tar.gz sha3sum-25d561ca9aa5054896bd7c556a3efc6f4663beed.tar.bz2 sha3sum-25d561ca9aa5054896bd7c556a3efc6f4663beed.tar.xz  | |
nuke...
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'java')
| -rw-r--r-- | java/ConcurrentSHA3.java | 963 | ||||
| -rw-r--r-- | java/SHA3.java | 969 | ||||
| -rw-r--r-- | java/sha3_224sum.java | 42 | ||||
| -rw-r--r-- | java/sha3_256sum.java | 42 | ||||
| -rw-r--r-- | java/sha3_384sum.java | 42 | ||||
| -rw-r--r-- | java/sha3_512sum.java | 42 | ||||
| -rw-r--r-- | java/sha3sum.java | 485 | 
7 files changed, 0 insertions, 2585 deletions
diff --git a/java/ConcurrentSHA3.java b/java/ConcurrentSHA3.java deleted file mode 100644 index 69425b9..0000000 --- a/java/ConcurrentSHA3.java +++ /dev/null @@ -1,963 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - - -/** - * SHA-3/Keccak hash algorithm implementation with support for concurrent threads - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class ConcurrentSHA3 -{ -    /** -     * Suffix the message when calculating the Keccak hash sum -     */ -    public static final String KECCAK_SUFFIX = ""; -     -    /** -     * Suffix the message when calculating the SHA-3 hash sum -     */ -    public static final String SHA3_SUFFIX = "01"; -     -    /** -     * Suffix the message when calculating the RawSHAKE hash sum -     */ -    public static final String RawSHAKE_SUFFIX = "11"; -     -    /** -     * Suffix the message when calculating the SHAKE hash sum -     */ -    public static final String SHAKE_SUFFIX = "1111"; -     -     -    /** -     * Round contants -     */ -    private static final long[] RC = { -	    0x0000000000000001L, 0x0000000000008082L, 0x800000000000808AL, 0x8000000080008000L, -	    0x000000000000808BL, 0x0000000080000001L, 0x8000000080008081L, 0x8000000000008009L, -	    0x000000000000008AL, 0x0000000000000088L, 0x0000000080008009L, 0x000000008000000AL, -	    0x000000008000808BL, 0x800000000000008BL, 0x8000000000008089L, 0x8000000000008003L, -	    0x8000000000008002L, 0x8000000000000080L, 0x000000000000800AL, 0x800000008000000AL, -	    0x8000000080008081L, 0x8000000000008080L, 0x0000000080000001L, 0x8000000080008008L}; -     -     -     -    /** -     * <p>Constructor</p> -     * <p> -     *   Do not forget to run {@link #Initialise(int, int, int)} -     * </p> -     */ -    public ConcurrentSHA3() -    { -	/* Do nothing */ -    } -     -     -     -    /** -     * Keccak-f round temporary -     */ -    private long[] B = new long[25]; -     -    /** -     * Keccak-f round temporary -     */ -    private long[] C = new long[5]; -     -     -    /** -     * The bitrate -     */ -    private int r = 0; -     -    /** -     * The capacity -     */ -    private int c = 0; -     -    /** -     * The output size -     */ -    private int n = 0; -     -    /** -     * The state size -     */ -    private int b = 0; -     -    /** -     * The word size -     */ -    private int w = 0; -     -    /** -     * The word mask -     */ -    private long wmod = 0; -     -    /** -     * ℓ, the binary logarithm of the word size -     */ -    private int l = 0; -     -    /** -     * 12 + 2ℓ, the number of rounds -     */ -    private int nr = 0; -     -     -    /** -     * Message chunk that is being processed -     */ -    private byte[] message = null; -     -    /** -     * The current state -     */ -    private long[] S = null; -     -    /** -     * Left over water to fill the sponge with at next update -     */ -    private byte[] M = null; -     -    /** -     * Pointer for {@link #M} -     */ -    private int mptr = 0; -     -     -     -    /** -     * Rotate a word -     *  -     * @param   x  The value to rotate -     * @param   n  Rotation steps, may not be 0 -     * @return     The value rotated -     */ -    private long rotate(long x, int n) -    { -        long m; -        return ((x >>> (this.w - (m = n % this.w))) + (x << m)) & this.wmod; -    } -     -     -    /** -     * Rotate a 64-bit word -     *  -     * @param   x  The value to rotate -     * @param   n  Rotation steps, may not be 0 -     * @return     The value rotated -     */ -    private static long rotate64(long x, int n) -    { -        return (x >>> (64 - n)) + (x << n); -    } -     -     -    /** -     * Binary logarithm -     *  -     * @param   x  The value of which to calculate the binary logarithm -     * @return     The binary logarithm -     */ -    private static int lb(int x) -    { -	int rc = 0; -	if ((x & 0xFF00) != 0)  { rc +=  8;  x >>=  8; } -	if ((x & 0x00F0) != 0)  { rc +=  4;  x >>=  4; } -	if ((x & 0x000C) != 0)  { rc +=  2;  x >>=  2; } -	if ((x & 0x0002) != 0)    rc +=  1; -	return rc; -    } -     -    /** -     * Perform one round of computation -     *  -     * @param  A   The current state -     * @param  rc  Round constant -     */ -    private void keccakFRound(long[] A, long rc) -    { -	/* θ step (step 1 of 3) */ -	for (int i = 0, j = 0; i < 5; i++, j += 5) -	    this.C[i] = (A[j] ^ A[j + 1]) ^ (A[j + 2] ^ A[j + 3]) ^ A[j + 4]; -	 -	long da, db, dc, dd, de; -	 -        if (this.w == 64) -	{ -            /* ρ and π steps, with last two part of θ */ -            this.B[0] =                         A[ 0] ^ (da = this.C[4] ^ ConcurrentSHA3.rotate64(this.C[1], 1)); -            this.B[1] = ConcurrentSHA3.rotate64(A[15] ^ (dd = this.C[2] ^ ConcurrentSHA3.rotate64(this.C[4], 1)), 28); -            this.B[2] = ConcurrentSHA3.rotate64(A[ 5] ^ (db = this.C[0] ^ ConcurrentSHA3.rotate64(this.C[2], 1)),  1); -            this.B[3] = ConcurrentSHA3.rotate64(A[20] ^ (de = this.C[3] ^ ConcurrentSHA3.rotate64(this.C[0], 1)), 27); -            this.B[4] = ConcurrentSHA3.rotate64(A[10] ^ (dc = this.C[1] ^ ConcurrentSHA3.rotate64(this.C[3], 1)), 62); -             -            this.B[5] = ConcurrentSHA3.rotate64(A[ 6] ^ db, 44); -            this.B[6] = ConcurrentSHA3.rotate64(A[21] ^ de, 20); -            this.B[7] = ConcurrentSHA3.rotate64(A[11] ^ dc,  6); -            this.B[8] = ConcurrentSHA3.rotate64(A[ 1] ^ da, 36); -            this.B[9] = ConcurrentSHA3.rotate64(A[16] ^ dd, 55); -             -            this.B[10] = ConcurrentSHA3.rotate64(A[12] ^ dc, 43); -            this.B[11] = ConcurrentSHA3.rotate64(A[ 2] ^ da,  3); -            this.B[12] = ConcurrentSHA3.rotate64(A[17] ^ dd, 25); -            this.B[13] = ConcurrentSHA3.rotate64(A[ 7] ^ db, 10); -            this.B[14] = ConcurrentSHA3.rotate64(A[22] ^ de, 39); -             -            this.B[15] = ConcurrentSHA3.rotate64(A[18] ^ dd, 21); -            this.B[16] = ConcurrentSHA3.rotate64(A[ 8] ^ db, 45); -            this.B[17] = ConcurrentSHA3.rotate64(A[23] ^ de,  8); -            this.B[18] = ConcurrentSHA3.rotate64(A[13] ^ dc, 15); -            this.B[19] = ConcurrentSHA3.rotate64(A[ 3] ^ da, 41); -             -            this.B[20] = ConcurrentSHA3.rotate64(A[24] ^ de, 14); -            this.B[21] = ConcurrentSHA3.rotate64(A[14] ^ dc, 61); -            this.B[22] = ConcurrentSHA3.rotate64(A[ 4] ^ da, 18); -            this.B[23] = ConcurrentSHA3.rotate64(A[19] ^ dd, 56); -            this.B[24] = ConcurrentSHA3.rotate64(A[ 9] ^ db,  2); -	} -        else -	{ -	    /* ρ and π steps, with last two part of θ */ -            this.B[0] =             A[ 0] ^ (da = this.C[4] ^ this.rotate(this.C[1], 1)); -            this.B[1] = this.rotate(A[15] ^ (dd = this.C[2] ^ this.rotate(this.C[4], 1)), 28); -            this.B[2] = this.rotate(A[ 5] ^ (db = this.C[0] ^ this.rotate(this.C[2], 1)),  1); -            this.B[3] = this.rotate(A[20] ^ (de = this.C[3] ^ this.rotate(this.C[0], 1)), 27); -            this.B[4] = this.rotate(A[10] ^ (dc = this.C[1] ^ this.rotate(this.C[3], 1)), 62); -             -            this.B[5] = this.rotate(A[ 6] ^ db, 44); -            this.B[6] = this.rotate(A[21] ^ de, 20); -            this.B[7] = this.rotate(A[11] ^ dc,  6); -            this.B[8] = this.rotate(A[ 1] ^ da, 36); -            this.B[9] = this.rotate(A[16] ^ dd, 55); -             -            this.B[10] = this.rotate(A[12] ^ dc, 43); -            this.B[11] = this.rotate(A[ 2] ^ da,  3); -            this.B[12] = this.rotate(A[17] ^ dd, 25); -	    this.B[13] = this.rotate(A[ 7] ^ db, 10); -            this.B[14] = this.rotate(A[22] ^ de, 39); -             -            this.B[15] = this.rotate(A[18] ^ dd, 21); -            this.B[16] = this.rotate(A[ 8] ^ db, 45); -            this.B[17] = this.rotate(A[23] ^ de,  8); -            this.B[18] = this.rotate(A[13] ^ dc, 15); -            this.B[19] = this.rotate(A[ 3] ^ da, 41); -             -            this.B[20] = this.rotate(A[24] ^ de, 14); -            this.B[21] = this.rotate(A[14] ^ dc, 61); -            this.B[22] = this.rotate(A[ 4] ^ da, 18); -            this.B[23] = this.rotate(A[19] ^ dd, 56); -            this.B[24] = this.rotate(A[ 9] ^ db,  2); -	} -	 -        /* ξ step */ -	for (int i = 0; i < 15; i++) -	    A[i     ] = this.B[i     ] ^ ((~(this.B[i +  5])) & this.B[i + 10]); -	for (int i = 0; i < 5; i++) -	{ -	    A[i + 15] = this.B[i + 15] ^ ((~(this.B[i + 20])) & this.B[i     ]); -	    A[i + 20] = this.B[i + 20] ^ ((~(this.B[i     ])) & this.B[i +  5]); -	} -	 -        /* ι step */ -        A[0] ^= rc; -    } -     -     -    /** -     * Perform Keccak-f function -     *  -     * @param  A  The current state -     */ -    private void keccakF(long[] A) -    { -        if (this.nr == 24) -            for (int i = 0; i < 24; i++) -		this.keccakFRound(A, ConcurrentSHA3.RC[i]); -        else -            for (int i = 0; i < this.nr; i++) -		this.keccakFRound(A, ConcurrentSHA3.RC[i] & this.wmod); -    } -     -     -    /** -     * Convert a chunk of byte:s to a word -     *  -     * @param   n       {@code Math.min(SHA3.message.length, rr) + msgoff} -     *          msgoff  The number of times to loop has run times the bitrate -     *          rr      Bitrate in bytes -     * @param   ww      Word size in bytes -     * @param   off     The offset in the message -     * @return          Lane -     */ -    private long toLane(int n, int ww, int off) -    { -	long rc = 0; -        for (int i = off + ww - 1; i >= off; i--) -            rc = (rc << 8) | ((i < n) ? (long)(this.message[i] & 255) : 0L); -        return rc; -    } -     -     -    /** -     * Convert a chunk of byte:s to a 64-bit word -     *  -     * @param   n       {@code Math.min(SHA3.message.length, rr) + msgoff} -     *          msgoff  The number of times to loop has run times the bitrate -     *          rr      Bitrate in bytes -     * @param   off     The offset in the message -     * @return          Lane -     */ -    private long toLane64(int n, int off) -    { -        return ((off + 7 < n) ? ((long)(this.message[off + 7] & 255) << 56) : 0L) | -	       ((off + 6 < n) ? ((long)(this.message[off + 6] & 255) << 48) : 0L) | -	       ((off + 5 < n) ? ((long)(this.message[off + 5] & 255) << 40) : 0L) | -	       ((off + 4 < n) ? ((long)(this.message[off + 4] & 255) << 32) : 0L) | -	       ((off + 3 < n) ? ((long)(this.message[off + 3] & 255) << 24) : 0L) | -	       ((off + 2 < n) ? ((long)(this.message[off + 2] & 255) << 16) : 0L) | -	       ((off + 1 < n) ? ((long)(this.message[off + 1] & 255) <<  8) : 0L) | -	       ((off < n) ? ((long)(this.message[off] & 255)) : 0L); -    } -     -     -    /** -     * pad 10*1 -     *  -     * @param   msg   The message to pad -     * @param   len   The length of the message -     * @param   r     The bitrate -     * @param   bits  The number of bits in the end of the message that does not make a whole byte -     * @return        The actual length of {@link #message} -     */ -    private int pad10star1(byte[] msg, int len, int r, int bits) -    { -	len = ((len - (bits + 7) / 8) << 3) + bits; -	 -        int nrf = len >> 3; -        int nbrf = len & 7; -        int ll = len % r; -         -        byte b = (byte)(nbrf == 0 ? 1 : (msg[nrf] | (1 << nbrf))); -         -        if ((r - 8 <= ll) && (ll <= r - 2)) -	{ -	    this.message = new byte[len = nrf + 1]; -            this.message[nrf] = (byte)(b ^ 128); -	} -        else -	{ -	    len = (nrf + 1) << 3; -	    len = ((len - (len % r) + (r - 8)) >> 3) + 1; -	    this.message = new byte[len]; -	    this.message[nrf] = b; -	    this.message[len - 1] = -128; -	} -	 -	System.arraycopy(msg, 0, this.message, 0, nrf); -	return len; -    } -     -     -    /** -     * Initialise Keccak sponge -     *  -     * @param  r  The bitrate -     * @param  c  The capacity -     * @param  n  The output size -     */ -    public void initialise(int r, int c, int n) -    { -        this.r = r; -        this.c = c; -        this.n = n; -        this.b = r + c; -        this.w = this.b / 25; -        this.l = ConcurrentSHA3.lb(this.w); -        this.nr = 12 + (this.l << 1); -        this.wmod = w == 64 ? -1L : (1L << this.w) - 1L; -        this.S = new long[25]; -	if ((this.M == null) || ((this.r * this.b) >> 2 != this.M.length)) -	    this.M = new byte[(this.r * this.b) >> 2]; -	this.mptr = 0; -	if (this.message == null) -	    this.message = new byte[8 << 10]; -    } -     -     -    /** -     * Absorb the more of the message message to the Keccak sponge -     *  -     * @param  msg  The partial message -     */ -    public void update(byte[] msg) -    { -	this.update(msg, msg.length); -    } -     -     -    /** -     * Absorb the more of the message message to the Keccak sponge -     *  -     * @param  msg     The partial message -     * @param  msglen  The length of the partial message -     */ -    public void update(byte[] msg, int msglen) -    { -        int rr = this.r >> 3; -        int ww = this.w >> 3; -         -	if (this.mptr + msglen > this.M.length) -	    System.arraycopy(this.M, 0, this.M = new byte[(this.M.length + msglen) << 1], 0, this.mptr); -	System.arraycopy(msg, 0, this.M, this.mptr, msglen); -        int len = this.mptr += msglen; -        len -= len % ((this.r * this.b) >> 3); -	System.arraycopy(this.M, 0, (this.message.length < len) ? (this.message = new byte[len]) : this.message, 0, len); -	System.arraycopy(this.M, len, this.M, 0, this.mptr -= len); -	int n = Math.min(len, rr); -	 -        /* Absorbing phase */ -        if (ww == 8) -            for (int i = 0; i < len; i += rr) -	    { -		this.S[ 0] ^= this.toLane64(n, i + 0); -		this.S[ 5] ^= this.toLane64(n, i + 8); -		this.S[10] ^= this.toLane64(n, i + 16); -                this.S[15] ^= this.toLane64(n, i + 24); -                this.S[20] ^= this.toLane64(n, i + 32); -                this.S[ 1] ^= this.toLane64(n, i + 40); -                this.S[ 6] ^= this.toLane64(n, i + 48); -                this.S[11] ^= this.toLane64(n, i + 56); -                this.S[16] ^= this.toLane64(n, i + 64); -                this.S[21] ^= this.toLane64(n, i + 72); -                this.S[ 2] ^= this.toLane64(n, i + 80); -                this.S[ 7] ^= this.toLane64(n, i + 88); -		this.S[12] ^= this.toLane64(n, i + 96); -		this.S[17] ^= this.toLane64(n, i + 104); -		this.S[22] ^= this.toLane64(n, i + 112); -		this.S[ 3] ^= this.toLane64(n, i + 120); -		this.S[ 8] ^= this.toLane64(n, i + 128); -		this.S[13] ^= this.toLane64(n, i + 136); -		this.S[18] ^= this.toLane64(n, i + 144); -		this.S[23] ^= this.toLane64(n, i + 152); -                this.S[ 4] ^= this.toLane64(n, i + 160); -                this.S[ 9] ^= this.toLane64(n, i + 168); -                this.S[14] ^= this.toLane64(n, i + 176); -                this.S[19] ^= this.toLane64(n, i + 184); -                this.S[24] ^= this.toLane64(n, i + 192); -		this.keccakF(this.S); -		n += rr; -	    } -        else -	    for (int i = 0; i < len; i += rr) -	    { -		this.S[ 0] ^= this.toLane(n, ww, i +  0     ); -		this.S[ 5] ^= this.toLane(n, ww, i +      ww); -		this.S[10] ^= this.toLane(n, ww, i +  2 * ww); -                this.S[15] ^= this.toLane(n, ww, i +  3 * ww); -                this.S[20] ^= this.toLane(n, ww, i +  4 * ww); -                this.S[ 1] ^= this.toLane(n, ww, i +  5 * ww); -                this.S[ 6] ^= this.toLane(n, ww, i +  6 * ww); -                this.S[11] ^= this.toLane(n, ww, i +  7 * ww); -                this.S[16] ^= this.toLane(n, ww, i +  8 * ww); -                this.S[21] ^= this.toLane(n, ww, i +  9 * ww); -                this.S[ 2] ^= this.toLane(n, ww, i + 10 * ww); -                this.S[ 7] ^= this.toLane(n, ww, i + 11 * ww); -		this.S[12] ^= this.toLane(n, ww, i + 12 * ww); -		this.S[17] ^= this.toLane(n, ww, i + 13 * ww); -		this.S[22] ^= this.toLane(n, ww, i + 14 * ww); -		this.S[ 3] ^= this.toLane(n, ww, i + 15 * ww); -		this.S[ 8] ^= this.toLane(n, ww, i + 16 * ww); -		this.S[13] ^= this.toLane(n, ww, i + 17 * ww); -		this.S[18] ^= this.toLane(n, ww, i + 18 * ww); -		this.S[23] ^= this.toLane(n, ww, i + 19 * ww); -                this.S[ 4] ^= this.toLane(n, ww, i + 20 * ww); -                this.S[ 9] ^= this.toLane(n, ww, i + 21 * ww); -                this.S[14] ^= this.toLane(n, ww, i + 22 * ww); -                this.S[19] ^= this.toLane(n, ww, i + 23 * ww); -                this.S[24] ^= this.toLane(n, ww, i + 24 * ww); -		this.keccakF(this.S); -		n += rr; -	    } -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @return  The hash sum -     */ -    public byte[] digest() -    { -	return digest(null, 0, 0, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public byte[] digest(String suffix) -    { -	return digest(null, 0, 0, suffix, true); -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(boolean withReturn) -    { -	return digest(null, 0, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(String suffix, boolean withReturn) -    { -	return digest(null, 0, 0, suffix, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg  The rest of the message -     * @return       The hash sum -     */ -    public byte[] digest(byte[] msg) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public byte[] digest(byte[] msg, String suffix) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(byte[] msg, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(byte[] msg, String suffix, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @return          The hash sum -     */ -    public byte[] digest(byte[] msg, int msglen) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public byte[] digest(byte[] msg, int msglen, String suffix) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @param   bits    The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @return          The hash sum -     */ -    public byte[] digest(byte[] msg, int msglen, int bits) -    { -	return digest(msg, msg == null ? 0 : msg.length, bits, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @param   bits    The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public byte[] digest(byte[] msg, int msglen, int bits, String suffix) -    { -	return digest(msg, msg == null ? 0 : msg.length, bits, suffix, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(byte[] msg, int msglen, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(byte[] msg, int msglen, String suffix, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   bits        The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(byte[] msg, int msglen, int bits, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message -     * @param   bits        The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public byte[] digest(byte[] msg, int msglen, int bits, String suffix, boolean withReturn) -    { -	int len; -	byte last_byte = 0; -        if ((msg == null) || (msglen == 0)) -	{ -	    msg = new byte[0]; -	    bits = 0; -	} -	 -	msglen += bits / 8; -	if ((bits %= 8) != 0) -	    last_byte = msg[msglen]; -	 -	byte[] msg_end = new byte[(suffix.length() + bits + 7) / 8]; -	int msg_end_ptr = 0; -	for (int i = 0, n = suffix.length(); i < n; i++) -	{ -	    byte bit = (byte)(suffix.charAt(i) - '0'); -	    last_byte |= bit << bits++; -	    if (bits == 8) -	    { -		msg_end[msg_end_ptr++] = last_byte; -		last_byte = 0; -		bits = 0; -	    } -	} -	if (bits != 0) -	    msg_end[msg_end_ptr++] = last_byte; -	if (msg_end_ptr > 0) -	{ -	    if (msglen + msg_end_ptr > msg.length) -		System.arraycopy(msg, 0, msg = new byte[msglen + msg_end_ptr], 0, msglen); -	    System.arraycopy(msg_end, 0, msg, msglen, msg_end_ptr); -	    msglen += msg_end_ptr; -	} -	 -	if (this.mptr + msglen > this.M.length) -	    System.arraycopy(this.M, 0, this.M = new byte[this.M.length + msglen], 0, this.mptr); -	System.arraycopy(msg, 0, this.M, this.mptr, msglen); -	len = this.pad10star1(this.M, this.mptr + msglen, this.r, bits); -         -        int rr = this.r >> 3; -        int nn = (this.n + 7) >> 3; -        int ww = this.w >> 3; -	 -	int n = Math.min(len, rr); -         -        /* Absorbing phase */ -        if (ww == 8) -            for (int i = 0; i < len; i += rr) -	    { -		this.S[ 0] ^= this.toLane64(n, i + 0); -		this.S[ 5] ^= this.toLane64(n, i + 8); -		this.S[10] ^= this.toLane64(n, i + 16); -                this.S[15] ^= this.toLane64(n, i + 24); -                this.S[20] ^= this.toLane64(n, i + 32); -                this.S[ 1] ^= this.toLane64(n, i + 40); -                this.S[ 6] ^= this.toLane64(n, i + 48); -                this.S[11] ^= this.toLane64(n, i + 56); -                this.S[16] ^= this.toLane64(n, i + 64); -                this.S[21] ^= this.toLane64(n, i + 72); -                this.S[ 2] ^= this.toLane64(n, i + 80); -                this.S[ 7] ^= this.toLane64(n, i + 88); -		this.S[12] ^= this.toLane64(n, i + 96); -		this.S[17] ^= this.toLane64(n, i + 104); -		this.S[22] ^= this.toLane64(n, i + 112); -		this.S[ 3] ^= this.toLane64(n, i + 120); -		this.S[ 8] ^= this.toLane64(n, i + 128); -		this.S[13] ^= this.toLane64(n, i + 136); -		this.S[18] ^= this.toLane64(n, i + 144); -		this.S[23] ^= this.toLane64(n, i + 152); -                this.S[ 4] ^= this.toLane64(n, i + 160); -                this.S[ 9] ^= this.toLane64(n, i + 168); -                this.S[14] ^= this.toLane64(n, i + 176); -                this.S[19] ^= this.toLane64(n, i + 184); -                this.S[24] ^= this.toLane64(n, i + 192); -                this.keccakF(this.S); -		n += rr; -	    } -        else -	    for (int i = 0; i < len; i += rr) -	    { -		this.S[ 0] ^= this.toLane(n, ww, i +  0     ); -		this.S[ 5] ^= this.toLane(n, ww, i +      ww); -		this.S[10] ^= this.toLane(n, ww, i +  2 * ww); -                this.S[15] ^= this.toLane(n, ww, i +  3 * ww); -                this.S[20] ^= this.toLane(n, ww, i +  4 * ww); -                this.S[ 1] ^= this.toLane(n, ww, i +  5 * ww); -                this.S[ 6] ^= this.toLane(n, ww, i +  6 * ww); -                this.S[11] ^= this.toLane(n, ww, i +  7 * ww); -                this.S[16] ^= this.toLane(n, ww, i +  8 * ww); -                this.S[21] ^= this.toLane(n, ww, i +  9 * ww); -                this.S[ 2] ^= this.toLane(n, ww, i + 10 * ww); -                this.S[ 7] ^= this.toLane(n, ww, i + 11 * ww); -		this.S[12] ^= this.toLane(n, ww, i + 12 * ww); -		this.S[17] ^= this.toLane(n, ww, i + 13 * ww); -		this.S[22] ^= this.toLane(n, ww, i + 14 * ww); -		this.S[ 3] ^= this.toLane(n, ww, i + 15 * ww); -		this.S[ 8] ^= this.toLane(n, ww, i + 16 * ww); -		this.S[13] ^= this.toLane(n, ww, i + 17 * ww); -		this.S[18] ^= this.toLane(n, ww, i + 18 * ww); -		this.S[23] ^= this.toLane(n, ww, i + 19 * ww); -                this.S[ 4] ^= this.toLane(n, ww, i + 20 * ww); -                this.S[ 9] ^= this.toLane(n, ww, i + 21 * ww); -                this.S[14] ^= this.toLane(n, ww, i + 22 * ww); -                this.S[19] ^= this.toLane(n, ww, i + 23 * ww); -                this.S[24] ^= this.toLane(n, ww, i + 24 * ww); -		this.keccakF(this.S); -		n += rr; -	    } -         -        /* Squeezing phase */ -	if (withReturn) -	{ -	    byte[] rc = new byte[(this.n + 7) >> 3]; -	    int ptr = 0; -	     -	    int olen = this.n; -	    int j = 0; -	    int ni = rr / ww; -	    while (olen > 0) -	    { -		int i = 0; -		while ((i < ni) && (j < nn)) -		{ -		    long v = this.S[(i % 5) * 5 + i / 5]; -		    for (int k = 0; k < ww; k++) -		    { -			if (j < nn) -			{ -			    rc[ptr] = (byte)v; -			    ptr += 1; -			} -			v >>= 8; -			j += 1; -		    } -		    i += 1; -		} -		olen -= this.r; -		if (olen > 0) -		    this.keccakF(this.S); -	    } -	    if ((this.n & 7) != 0) -		rc[rc.length - 1] &= (1 << (this.n & 7)) - 1; -	     -	    return rc; -	} -        int olen = this.n; -        while ((olen -= this.r) > 0) -	    this.keccakF(this.S); -	return null; -    } -     -     -    /** -     * Force a round of Keccak-f -     */ -    public void simpleSqueeze() -    { -	this.keccakF(this.S); -    } -     -     -    /** -     * Force some rounds of Keccak-f -     *  -     * @param  times  The number of rounds -     */ -    public void simpleSqueeze(int times) -    { -	for (int i = 0; i < times; i++) -	    this.keccakF(this.S); -    } -     -     -    /** -     * Squeeze as much as is needed to get a digest -     */ -    public void fastSqueeze() -    { -	this.keccakF(this.S); /* Last squeeze did not do a ending squeeze */ -        int olen = this.n; -        while ((olen -= this.r) > 0) -	    this.keccakF(this.S); -    } -     -     -    /** -     * Squeeze as much as is needed to get a digest a number of times -     *  -     * @param  times  The number of digests -     */ -    public void fastSqueeze(int times) -    { -	for (int i = 0; i < times; i++) -	{ -	    this.keccakF(this.S); /* Last squeeze did not do a ending squeeze */ -	    int olen = this.n; -	    while ((olen -= this.r) > 0) -		this.keccakF(this.S); -	} -    } -     -     -    /** -     * Squeeze out another digest -     *  -     * @return  The hash sum -     */ -    public byte[] squeeze() -    { -	this.keccakF(this.S); /* Last squeeze did not do a ending squeeze */ -	 -        int nn, ww = this.w >> 3; -        byte[] rc = new byte[nn = (this.n + 7) >> 3]; -	 -        int olen = this.n; -        int j = 0, ptr = 0; -        int ni = (this.r >> 3) / ww; -        while (olen > 0) -	{ -            int i = 0; -	    while ((i < ni) && (j < nn)) -	    { -		long v = this.S[(i % 5) * 5 + i / 5]; -		for (int k = 0; k < ww; k++) -		{ -                    if (j < nn) -		    { -			rc[ptr] = (byte)v; -                        ptr += 1; -		    } -                    v >>= 8; -                    j += 1; -		} -                i += 1; -	    } -            olen -= this.r; -	    if (olen > 0) -		this.keccakF(this.S); -	} -	if ((this.n & 7) != 0) -	    rc[rc.length - 1] &= (1 << (this.n & 7)) - 1; -	 -        return rc; -    } -     -} diff --git a/java/SHA3.java b/java/SHA3.java deleted file mode 100644 index 9f41a00..0000000 --- a/java/SHA3.java +++ /dev/null @@ -1,969 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - - -/** - * SHA-3/Keccak hash algorithm implementation - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class SHA3 -{ -    /** -     * Suffix the message when calculating the Keccak hash sum -     */ -    public static final String KECCAK_SUFFIX = ""; -     -    /** -     * Suffix the message when calculating the SHA-3 hash sum -     */ -    public static final String SHA3_SUFFIX = "01"; -     -    /** -     * Suffix the message when calculating the RawSHAKE hash sum -     */ -    public static final String RawSHAKE_SUFFIX = "11"; -     -    /** -     * Suffix the message when calculating the SHAKE hash sum -     */ -    public static final String SHAKE_SUFFIX = "1111"; -     -     -    /** -     * Round contants -     */ -    private static final long[] RC = { -	    0x0000000000000001L, 0x0000000000008082L, 0x800000000000808AL, 0x8000000080008000L, -	    0x000000000000808BL, 0x0000000080000001L, 0x8000000080008081L, 0x8000000000008009L, -	    0x000000000000008AL, 0x0000000000000088L, 0x0000000080008009L, 0x000000008000000AL, -	    0x000000008000808BL, 0x800000000000008BL, 0x8000000000008089L, 0x8000000000008003L, -	    0x8000000000008002L, 0x8000000000000080L, 0x000000000000800AL, 0x800000008000000AL, -	    0x8000000080008081L, 0x8000000000008080L, 0x0000000080000001L, 0x8000000080008008L}; -     -    /** -     * Keccak-f round temporary -     */ -    private static long[] B = new long[25]; -     -    /** -     * Keccak-f round temporary -     */ -    private static long[] C = new long[5]; -     -     -    /** -     * The bitrate -     */ -    private static int r = 0; -     -    /** -     * The capacity -     */ -    private static int c = 0; -     -    /** -     * The output size -     */ -    private static int n = 0; -     -    /** -     * The state size -     */ -    private static int b = 0; -     -    /** -     * The word size -     */ -    private static int w = 0; -     -    /** -     * The word mask -     */ -    private static long wmod = 0; -     -    /** -     * ℓ, the binary logarithm of the word size -     */ -    private static int l = 0; -     -    /** -     * 12 + 2ℓ, the number of rounds -     */ -    private static int nr = 0; -     -     -    /** -     * Message chunk that is being processes -     */ -    private static byte[] message = null; -     -    /** -     * The current state -     */ -    private static long[] S = null; -     -    /** -     * Left over water to fill the sponge with at next update -     */ -    private static byte[] M = null; -     -    /** -     * Pointer for {@link #M} -     */ -    private static int mptr = 0; -     -     -     -    /** -     * Hidden constructor -     */ -    private SHA3() -    { -	// Inhibit instansiation -    } -     -     -     -    /** -     * Rotate a word -     *  -     * @param   x  The value to rotate -     * @param   n  Rotation steps, may not be 0 -     * @return     The value rotated -     */ -    private static long rotate(long x, int n) -    { -        long m; -        return ((x >>> (SHA3.w - (m = n % SHA3.w))) + (x << m)) & SHA3.wmod; -    } -     -     -    /** -     * Rotate a 64-bit word -     *  -     * @param   x  The value to rotate -     * @param   n  Rotation steps, may not be 0 -     * @return     The value rotated -     */ -    private static long rotate64(long x, int n) -    { -        return (x >>> (64 - n)) + (x << n); -    } -     -     -    /** -     * Binary logarithm -     *  -     * @param   x  The value of which to calculate the binary logarithm -     * @return     The binary logarithm -     */ -    private static int lb(int x) -    { -	int rc = 0; -	if ((x & 0xFF00) != 0)  { rc +=  8;  x >>=  8; } -	if ((x & 0x00F0) != 0)  { rc +=  4;  x >>=  4; } -	if ((x & 0x000C) != 0)  { rc +=  2;  x >>=  2; } -	if ((x & 0x0002) != 0)    rc +=  1; -	return rc; -    } -     -    /** -     * Perform one round of computation -     *  -     * @param  A   The current state -     * @param  rc  Round constant -     */ -    private static void keccakFRound(long[] A, long rc) -    { -	/* θ step (step 1 of 3) */ -	for (int i = 0, j = 0; i < 5; i++, j += 5) -	    SHA3.C[i] = (A[j] ^ A[j + 1]) ^ (A[j + 2] ^ A[j + 3]) ^ A[j + 4]; -	 -	long da, db, dc, dd, de; -	 -        if (SHA3.w == 64) -	{ -            /* ρ and π steps, with last two part of θ */ -            SHA3.B[0] =               A[ 0] ^ (da = SHA3.C[4] ^ SHA3.rotate64(SHA3.C[1], 1)); -            SHA3.B[1] = SHA3.rotate64(A[15] ^ (dd = SHA3.C[2] ^ SHA3.rotate64(SHA3.C[4], 1)), 28); -            SHA3.B[2] = SHA3.rotate64(A[ 5] ^ (db = SHA3.C[0] ^ SHA3.rotate64(SHA3.C[2], 1)),  1); -            SHA3.B[3] = SHA3.rotate64(A[20] ^ (de = SHA3.C[3] ^ SHA3.rotate64(SHA3.C[0], 1)), 27); -            SHA3.B[4] = SHA3.rotate64(A[10] ^ (dc = SHA3.C[1] ^ SHA3.rotate64(SHA3.C[3], 1)), 62); -             -            SHA3.B[5] = SHA3.rotate64(A[ 6] ^ db, 44); -            SHA3.B[6] = SHA3.rotate64(A[21] ^ de, 20); -            SHA3.B[7] = SHA3.rotate64(A[11] ^ dc,  6); -            SHA3.B[8] = SHA3.rotate64(A[ 1] ^ da, 36); -            SHA3.B[9] = SHA3.rotate64(A[16] ^ dd, 55); -             -            SHA3.B[10] = SHA3.rotate64(A[12] ^ dc, 43); -            SHA3.B[11] = SHA3.rotate64(A[ 2] ^ da,  3); -            SHA3.B[12] = SHA3.rotate64(A[17] ^ dd, 25); -            SHA3.B[13] = SHA3.rotate64(A[ 7] ^ db, 10); -            SHA3.B[14] = SHA3.rotate64(A[22] ^ de, 39); -             -            SHA3.B[15] = SHA3.rotate64(A[18] ^ dd, 21); -            SHA3.B[16] = SHA3.rotate64(A[ 8] ^ db, 45); -            SHA3.B[17] = SHA3.rotate64(A[23] ^ de,  8); -            SHA3.B[18] = SHA3.rotate64(A[13] ^ dc, 15); -            SHA3.B[19] = SHA3.rotate64(A[ 3] ^ da, 41); -             -            SHA3.B[20] = SHA3.rotate64(A[24] ^ de, 14); -            SHA3.B[21] = SHA3.rotate64(A[14] ^ dc, 61); -            SHA3.B[22] = SHA3.rotate64(A[ 4] ^ da, 18); -            SHA3.B[23] = SHA3.rotate64(A[19] ^ dd, 56); -            SHA3.B[24] = SHA3.rotate64(A[ 9] ^ db,  2); -	} -        else -	{ -	    /* ρ and π steps, with last two part of θ */ -            SHA3.B[0] =             A[ 0] ^ (da = SHA3.C[4] ^ SHA3.rotate(SHA3.C[1], 1)); -            SHA3.B[1] = SHA3.rotate(A[15] ^ (dd = SHA3.C[2] ^ SHA3.rotate(SHA3.C[4], 1)), 28); -            SHA3.B[2] = SHA3.rotate(A[ 5] ^ (db = SHA3.C[0] ^ SHA3.rotate(SHA3.C[2], 1)),  1); -            SHA3.B[3] = SHA3.rotate(A[20] ^ (de = SHA3.C[3] ^ SHA3.rotate(SHA3.C[0], 1)), 27); -            SHA3.B[4] = SHA3.rotate(A[10] ^ (dc = SHA3.C[1] ^ SHA3.rotate(SHA3.C[3], 1)), 62); -             -            SHA3.B[5] = SHA3.rotate(A[ 6] ^ db, 44); -            SHA3.B[6] = SHA3.rotate(A[21] ^ de, 20); -            SHA3.B[7] = SHA3.rotate(A[11] ^ dc,  6); -            SHA3.B[8] = SHA3.rotate(A[ 1] ^ da, 36); -            SHA3.B[9] = SHA3.rotate(A[16] ^ dd, 55); -             -            SHA3.B[10] = SHA3.rotate(A[12] ^ dc, 43); -            SHA3.B[11] = SHA3.rotate(A[ 2] ^ da,  3); -            SHA3.B[12] = SHA3.rotate(A[17] ^ dd, 25); -	    SHA3.B[13] = SHA3.rotate(A[ 7] ^ db, 10); -            SHA3.B[14] = SHA3.rotate(A[22] ^ de, 39); -             -            SHA3.B[15] = SHA3.rotate(A[18] ^ dd, 21); -            SHA3.B[16] = SHA3.rotate(A[ 8] ^ db, 45); -            SHA3.B[17] = SHA3.rotate(A[23] ^ de,  8); -            SHA3.B[18] = SHA3.rotate(A[13] ^ dc, 15); -            SHA3.B[19] = SHA3.rotate(A[ 3] ^ da, 41); -             -            SHA3.B[20] = SHA3.rotate(A[24] ^ de, 14); -            SHA3.B[21] = SHA3.rotate(A[14] ^ dc, 61); -            SHA3.B[22] = SHA3.rotate(A[ 4] ^ da, 18); -            SHA3.B[23] = SHA3.rotate(A[19] ^ dd, 56); -            SHA3.B[24] = SHA3.rotate(A[ 9] ^ db,  2); -	} -	 -        /* ξ step */ -	for (int i = 0; i < 15; i++) -	    A[i     ] = SHA3.B[i     ] ^ ((~(SHA3.B[i +  5])) & SHA3.B[i + 10]); -	for (int i = 0; i < 5; i++) -	{ -	    A[i + 15] = SHA3.B[i + 15] ^ ((~(SHA3.B[i + 20])) & SHA3.B[i     ]); -	    A[i + 20] = SHA3.B[i + 20] ^ ((~(SHA3.B[i     ])) & SHA3.B[i +  5]); -	} -	 -        /* ι step */ -        A[0] ^= rc; -    } -     -     -    /** -     * Perform Keccak-f function -     *  -     * @param  A  The current state -     */ -    private static void keccakF(long[] A) -    { -        if (SHA3.nr == 24) -            for (int i = 0; i < 24; i++) -		SHA3.keccakFRound(A, SHA3.RC[i]); -        else -            for (int i = 0; i < SHA3.nr; i++) -		SHA3.keccakFRound(A, SHA3.RC[i] & SHA3.wmod); -    } -     -     -    /** -     * Convert a chunk of byte:s to a word -     *  -     * @param   n       {@code Math.min(SHA3.message.length, rr) + msgoff} -     *          msgoff  The number of times to loop has run times the bitrate -     *          rr      Bitrate in bytes -     * @param   ww      Word size in bytes -     * @param   off     The offset in the message -     * @return          Lane -     */ -    private static long toLane(int n, int ww, int off) -    { -	long rc = 0; -        for (int i = off + ww - 1; i >= off; i--) -            rc = (rc << 8) | ((i < n) ? (long)(SHA3.message[i] & 255) : 0L); -        return rc; -    } -     -     -    /** -     * Convert a chunk of byte:s to a 64-bit word -     *  -     * @param   n       {@code Math.min(SHA3.message.length, rr) + msgoff} -     *          msgoff  The number of times to loop has run times the bitrate -     *          rr      Bitrate in bytes -     * @param   off     The offset in the message -     * @return          Lane -     */ -    private static long toLane64(int n, int off) -    { -        return ((off + 7 < n) ? ((long)(SHA3.message[off + 7] & 255) << 56) : 0L) | -	       ((off + 6 < n) ? ((long)(SHA3.message[off + 6] & 255) << 48) : 0L) | -	       ((off + 5 < n) ? ((long)(SHA3.message[off + 5] & 255) << 40) : 0L) | -	       ((off + 4 < n) ? ((long)(SHA3.message[off + 4] & 255) << 32) : 0L) | -	       ((off + 3 < n) ? ((long)(SHA3.message[off + 3] & 255) << 24) : 0L) | -	       ((off + 2 < n) ? ((long)(SHA3.message[off + 2] & 255) << 16) : 0L) | -	       ((off + 1 < n) ? ((long)(SHA3.message[off + 1] & 255) <<  8) : 0L) | -	       ((off < n) ? ((long)(SHA3.message[off] & 255)) : 0L); -    } -     -     -    /** -     * pad 10*1 -     *  -     * @param   msg   The message to pad -     * @param   len   The length of the message -     * @param   r     The bitrate -     * @param   bits  The number of bits in the end of the message that does not make a whole byte -     * @return        The actual length of {@link #message} -     */ -    private static int pad10star1(byte[] msg, int len, int r, int bits) -    { -	len = ((len - (bits + 7) / 8) << 3) + bits; -	 -        int nrf = len >> 3; -        int nbrf = len & 7; -        int ll = len % r; -         -        byte b = (byte)(nbrf == 0 ? 1 : (msg[nrf] | (1 << nbrf))); -         -        if ((r - 8 <= ll) && (ll <= r - 2)) -	{ -	    SHA3.message = new byte[len = nrf + 1]; -            SHA3.message[nrf] = (byte)(b ^ 128); -	} -        else -	{ -	    len = (nrf + 1) << 3; -	    len = ((len - (len % r) + (r - 8)) >> 3) + 1; -	    SHA3.message = new byte[len]; -	    SHA3.message[nrf] = b; -	    SHA3.message[len - 1] = -128; -	} -	 -	System.arraycopy(msg, 0, SHA3.message, 0, nrf); -	return len; -    } -     -     -    /** -     * Initialise Keccak sponge -     *  -     * @param  r  The bitrate -     * @param  c  The capacity -     * @param  n  The output size -     */ -    public static void initialise(int r, int c, int n) -    { -        SHA3.r = r; -        SHA3.c = c; -        SHA3.n = n; -        SHA3.b = r + c; -        SHA3.w = SHA3.b / 25; -        SHA3.l = SHA3.lb(SHA3.w); -        SHA3.nr = 12 + (SHA3.l << 1); -        SHA3.wmod = w == 64 ? -1L : (1L << SHA3.w) - 1L; -        SHA3.S = new long[25]; -	if ((SHA3.M == null) || ((SHA3.r * SHA3.b) >> 2 != SHA3.M.length)) -	    SHA3.M = new byte[(SHA3.r * SHA3.b) >> 2]; -	SHA3.mptr = 0; -	if (SHA3.message == null) -	    SHA3.message = new byte[8 << 10]; -    } -     -     -    /** -     * Free up static resources -     */ -    public static void dispose() -    { -	SHA3.S = null; -	SHA3.M = null; -	SHA3.message = null; -    } -     -     -    /** -     * Absorb the more of the message message to the Keccak sponge -     *  -     * @param  msg  The partial message -     */ -    public static void update(byte[] msg) -    { -	update(msg, msg.length); -    } -     -     -    /** -     * Absorb the more of the message message to the Keccak sponge -     *  -     * @param  msg     The partial message -     * @param  msglen  The length of the partial message -     */ -    public static void update(byte[] msg, int msglen) -    { -        int rr = SHA3.r >> 3; -        int ww = SHA3.w >> 3; -         -	if (SHA3.mptr + msglen > SHA3.M.length) -	    System.arraycopy(SHA3.M, 0, SHA3.M = new byte[(SHA3.M.length + msglen) << 1], 0, SHA3.mptr); -	System.arraycopy(msg, 0, SHA3.M, SHA3.mptr, msglen); -        int len = SHA3.mptr += msglen; -        len -= len % ((SHA3.r * SHA3.b) >> 3); -	System.arraycopy(SHA3.M, 0, (SHA3.message.length < len) ? (SHA3.message = new byte[len]) : SHA3.message, 0, len); -	System.arraycopy(SHA3.M, len, SHA3.M, 0, SHA3.mptr -= len); -	int n = Math.min(len, rr); -	 -        /* Absorbing phase */ -        if (ww == 8) -            for (int i = 0; i < len; i += rr) -	    { -		SHA3.S[ 0] ^= SHA3.toLane64(n, i + 0); -		SHA3.S[ 5] ^= SHA3.toLane64(n, i + 8); -		SHA3.S[10] ^= SHA3.toLane64(n, i + 16); -                SHA3.S[15] ^= SHA3.toLane64(n, i + 24); -                SHA3.S[20] ^= SHA3.toLane64(n, i + 32); -                SHA3.S[ 1] ^= SHA3.toLane64(n, i + 40); -                SHA3.S[ 6] ^= SHA3.toLane64(n, i + 48); -                SHA3.S[11] ^= SHA3.toLane64(n, i + 56); -                SHA3.S[16] ^= SHA3.toLane64(n, i + 64); -                SHA3.S[21] ^= SHA3.toLane64(n, i + 72); -                SHA3.S[ 2] ^= SHA3.toLane64(n, i + 80); -                SHA3.S[ 7] ^= SHA3.toLane64(n, i + 88); -		SHA3.S[12] ^= SHA3.toLane64(n, i + 96); -		SHA3.S[17] ^= SHA3.toLane64(n, i + 104); -		SHA3.S[22] ^= SHA3.toLane64(n, i + 112); -		SHA3.S[ 3] ^= SHA3.toLane64(n, i + 120); -		SHA3.S[ 8] ^= SHA3.toLane64(n, i + 128); -		SHA3.S[13] ^= SHA3.toLane64(n, i + 136); -		SHA3.S[18] ^= SHA3.toLane64(n, i + 144); -		SHA3.S[23] ^= SHA3.toLane64(n, i + 152); -                SHA3.S[ 4] ^= SHA3.toLane64(n, i + 160); -                SHA3.S[ 9] ^= SHA3.toLane64(n, i + 168); -                SHA3.S[14] ^= SHA3.toLane64(n, i + 176); -                SHA3.S[19] ^= SHA3.toLane64(n, i + 184); -                SHA3.S[24] ^= SHA3.toLane64(n, i + 192); -		SHA3.keccakF(SHA3.S); -		n += rr; -	    } -        else -	    for (int i = 0; i < len; i += rr) -	    { -		SHA3.S[ 0] ^= SHA3.toLane(n, ww, i +  0     ); -		SHA3.S[ 5] ^= SHA3.toLane(n, ww, i +      ww); -		SHA3.S[10] ^= SHA3.toLane(n, ww, i +  2 * ww); -                SHA3.S[15] ^= SHA3.toLane(n, ww, i +  3 * ww); -                SHA3.S[20] ^= SHA3.toLane(n, ww, i +  4 * ww); -                SHA3.S[ 1] ^= SHA3.toLane(n, ww, i +  5 * ww); -                SHA3.S[ 6] ^= SHA3.toLane(n, ww, i +  6 * ww); -                SHA3.S[11] ^= SHA3.toLane(n, ww, i +  7 * ww); -                SHA3.S[16] ^= SHA3.toLane(n, ww, i +  8 * ww); -                SHA3.S[21] ^= SHA3.toLane(n, ww, i +  9 * ww); -                SHA3.S[ 2] ^= SHA3.toLane(n, ww, i + 10 * ww); -                SHA3.S[ 7] ^= SHA3.toLane(n, ww, i + 11 * ww); -		SHA3.S[12] ^= SHA3.toLane(n, ww, i + 12 * ww); -		SHA3.S[17] ^= SHA3.toLane(n, ww, i + 13 * ww); -		SHA3.S[22] ^= SHA3.toLane(n, ww, i + 14 * ww); -		SHA3.S[ 3] ^= SHA3.toLane(n, ww, i + 15 * ww); -		SHA3.S[ 8] ^= SHA3.toLane(n, ww, i + 16 * ww); -		SHA3.S[13] ^= SHA3.toLane(n, ww, i + 17 * ww); -		SHA3.S[18] ^= SHA3.toLane(n, ww, i + 18 * ww); -		SHA3.S[23] ^= SHA3.toLane(n, ww, i + 19 * ww); -                SHA3.S[ 4] ^= SHA3.toLane(n, ww, i + 20 * ww); -                SHA3.S[ 9] ^= SHA3.toLane(n, ww, i + 21 * ww); -                SHA3.S[14] ^= SHA3.toLane(n, ww, i + 22 * ww); -                SHA3.S[19] ^= SHA3.toLane(n, ww, i + 23 * ww); -                SHA3.S[24] ^= SHA3.toLane(n, ww, i + 24 * ww); -		SHA3.keccakF(SHA3.S); -		n += rr; -	    } -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @return  The hash sum -     */ -    public static byte[] digest() -    { -	return digest(null, 0, 0, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public static byte[] digest(String suffix) -    { -	return digest(null, 0, 0, suffix, true); -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(boolean withReturn) -    { -	return digest(null, 0, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Squeeze the Keccak sponge -     *  -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(String suffix, boolean withReturn) -    { -	return digest(null, 0, 0, suffix, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg  The rest of the message -     * @return       The hash sum -     */ -    public static byte[] digest(byte[] msg) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public static byte[] digest(byte[] msg, String suffix) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(byte[] msg, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(byte[] msg, String suffix, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @return          The hash sum -     */ -    public static byte[] digest(byte[] msg, int msglen) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public static byte[] digest(byte[] msg, int msglen, String suffix) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @param   bits    The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @return          The hash sum -     */ -    public static byte[] digest(byte[] msg, int msglen, int bits) -    { -	return digest(msg, msg == null ? 0 : msg.length, bits, SHA3.SHA3_SUFFIX, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg     The rest of the message -     * @param   msglen  The length of the partial message in while bytes -     * @param   bits    The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @param   suffix  The suffix concatenate to the message -     * @return          The hash sum -     */ -    public static byte[] digest(byte[] msg, int msglen, int bits, String suffix) -    { -	return digest(msg, msg == null ? 0 : msg.length, bits, suffix, true); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(byte[] msg, int msglen, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(byte[] msg, int msglen, String suffix, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   bits        The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(byte[] msg, int msglen, int bits, boolean withReturn) -    { -	return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); -    } -     -     -    /** -     * Absorb the last part of the message and squeeze the Keccak sponge -     *  -     * @param   msg         The rest of the message -     * @param   msglen      The length of the partial message in while bytes -     * @param   bits        The number of bits at the end of the message not covered by <tt>msglen</tt> -     * @param   suffix      The suffix concatenate to the message -     * @param   withReturn  Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} -     * @return              The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} -     */ -    public static byte[] digest(byte[] msg, int msglen, int bits, String suffix, boolean withReturn) -    { -	int len; -	byte last_byte = 0; -        if ((msg == null) || (msglen == 0)) -	{ -	    msg = new byte[0]; -	    bits = 0; -	} -	 -	msglen += bits / 8; -	if ((bits %= 8) != 0) -	    last_byte = msg[msglen]; -	 -	byte[] msg_end = new byte[(suffix.length() + bits + 7) / 8]; -	int msg_end_ptr = 0; -	for (int i = 0, n = suffix.length(); i < n; i++) -	{ -	    byte bit = (byte)(suffix.charAt(i) - '0'); -	    last_byte |= bit << bits++; -	    if (bits == 8) -	    { -		msg_end[msg_end_ptr++] = last_byte; -		last_byte = 0; -		bits = 0; -	    } -	} -	if (bits != 0) -	    msg_end[msg_end_ptr++] = last_byte; -	if (msg_end_ptr > 0) -	{ -	    if (msglen + msg_end_ptr > msg.length) -		System.arraycopy(msg, 0, msg = new byte[msglen + msg_end_ptr], 0, msglen); -	    System.arraycopy(msg_end, 0, msg, msglen, msg_end_ptr); -	    msglen += msg_end_ptr; -	} -	 -	if (SHA3.mptr + msglen > SHA3.M.length) -	    System.arraycopy(SHA3.M, 0, SHA3.M = new byte[SHA3.M.length + msglen], 0, SHA3.mptr); -	System.arraycopy(msg, 0, SHA3.M, SHA3.mptr, msglen); -	len = SHA3.pad10star1(SHA3.M, SHA3.mptr + msglen, SHA3.r, bits); -         -        int rr = SHA3.r >> 3; -        int nn = (SHA3.n + 7) >> 3; -        int ww = SHA3.w >> 3; -	 -	int n = Math.min(len, rr); -         -        /* Absorbing phase */ -        if (ww == 8) -            for (int i = 0; i < len; i += rr) -	    { -		SHA3.S[ 0] ^= SHA3.toLane64(n, i + 0); -		SHA3.S[ 5] ^= SHA3.toLane64(n, i + 8); -		SHA3.S[10] ^= SHA3.toLane64(n, i + 16); -                SHA3.S[15] ^= SHA3.toLane64(n, i + 24); -                SHA3.S[20] ^= SHA3.toLane64(n, i + 32); -                SHA3.S[ 1] ^= SHA3.toLane64(n, i + 40); -                SHA3.S[ 6] ^= SHA3.toLane64(n, i + 48); -                SHA3.S[11] ^= SHA3.toLane64(n, i + 56); -                SHA3.S[16] ^= SHA3.toLane64(n, i + 64); -                SHA3.S[21] ^= SHA3.toLane64(n, i + 72); -                SHA3.S[ 2] ^= SHA3.toLane64(n, i + 80); -                SHA3.S[ 7] ^= SHA3.toLane64(n, i + 88); -		SHA3.S[12] ^= SHA3.toLane64(n, i + 96); -		SHA3.S[17] ^= SHA3.toLane64(n, i + 104); -		SHA3.S[22] ^= SHA3.toLane64(n, i + 112); -		SHA3.S[ 3] ^= SHA3.toLane64(n, i + 120); -		SHA3.S[ 8] ^= SHA3.toLane64(n, i + 128); -		SHA3.S[13] ^= SHA3.toLane64(n, i + 136); -		SHA3.S[18] ^= SHA3.toLane64(n, i + 144); -		SHA3.S[23] ^= SHA3.toLane64(n, i + 152); -                SHA3.S[ 4] ^= SHA3.toLane64(n, i + 160); -                SHA3.S[ 9] ^= SHA3.toLane64(n, i + 168); -                SHA3.S[14] ^= SHA3.toLane64(n, i + 176); -                SHA3.S[19] ^= SHA3.toLane64(n, i + 184); -                SHA3.S[24] ^= SHA3.toLane64(n, i + 192); -                SHA3.keccakF(SHA3.S); -		n += rr; -	    } -        else -	    for (int i = 0; i < len; i += rr) -	    { -		SHA3.S[ 0] ^= SHA3.toLane(n, ww, i +  0     ); -		SHA3.S[ 5] ^= SHA3.toLane(n, ww, i +      ww); -		SHA3.S[10] ^= SHA3.toLane(n, ww, i +  2 * ww); -                SHA3.S[15] ^= SHA3.toLane(n, ww, i +  3 * ww); -                SHA3.S[20] ^= SHA3.toLane(n, ww, i +  4 * ww); -                SHA3.S[ 1] ^= SHA3.toLane(n, ww, i +  5 * ww); -                SHA3.S[ 6] ^= SHA3.toLane(n, ww, i +  6 * ww); -                SHA3.S[11] ^= SHA3.toLane(n, ww, i +  7 * ww); -                SHA3.S[16] ^= SHA3.toLane(n, ww, i +  8 * ww); -                SHA3.S[21] ^= SHA3.toLane(n, ww, i +  9 * ww); -                SHA3.S[ 2] ^= SHA3.toLane(n, ww, i + 10 * ww); -                SHA3.S[ 7] ^= SHA3.toLane(n, ww, i + 11 * ww); -		SHA3.S[12] ^= SHA3.toLane(n, ww, i + 12 * ww); -		SHA3.S[17] ^= SHA3.toLane(n, ww, i + 13 * ww); -		SHA3.S[22] ^= SHA3.toLane(n, ww, i + 14 * ww); -		SHA3.S[ 3] ^= SHA3.toLane(n, ww, i + 15 * ww); -		SHA3.S[ 8] ^= SHA3.toLane(n, ww, i + 16 * ww); -		SHA3.S[13] ^= SHA3.toLane(n, ww, i + 17 * ww); -		SHA3.S[18] ^= SHA3.toLane(n, ww, i + 18 * ww); -		SHA3.S[23] ^= SHA3.toLane(n, ww, i + 19 * ww); -                SHA3.S[ 4] ^= SHA3.toLane(n, ww, i + 20 * ww); -                SHA3.S[ 9] ^= SHA3.toLane(n, ww, i + 21 * ww); -                SHA3.S[14] ^= SHA3.toLane(n, ww, i + 22 * ww); -                SHA3.S[19] ^= SHA3.toLane(n, ww, i + 23 * ww); -                SHA3.S[24] ^= SHA3.toLane(n, ww, i + 24 * ww); -		SHA3.keccakF(SHA3.S); -		n += rr; -	    } -         -        /* Squeezing phase */ -	if (withReturn) -	{ -	    byte[] rc = new byte[(SHA3.n + 7) >> 3]; -	    int ptr = 0; -	     -	    int olen = SHA3.n; -	    int j = 0; -	    int ni = rr / ww; -	    while (olen > 0) -	    { -		int i = 0; -		while ((i < ni) && (j < nn)) -		{ -		    long v = SHA3.S[(i % 5) * 5 + i / 5]; -		    for (int k = 0; k < ww; k++) -		    { -			if (j < nn) -			{ -			    rc[ptr] = (byte)v; -			    ptr += 1; -			} -			v >>= 8; -			j += 1; -		    } -		    i += 1; -		} -		olen -= SHA3.r; -		if (olen > 0) -		    SHA3.keccakF(SHA3.S); -	    } -	    if ((SHA3.n & 7) != 0) -		rc[rc.length - 1] &= (1 << (SHA3.n & 7)) - 1; -	     -	    return rc; -	} -        int olen = SHA3.n; -        while ((olen -= SHA3.r) > 0) -	    SHA3.keccakF(SHA3.S); -	return null; -    } -     -     -    /** -     * Force a round of Keccak-f -     */ -    public static void simpleSqueeze() -    { -	SHA3.keccakF(SHA3.S); -    } -     -     -    /** -     * Force some rounds of Keccak-f -     *  -     * @param  times  The number of rounds -     */ -    public static void simpleSqueeze(int times) -    { -	for (int i = 0; i < times; i++) -	    SHA3.keccakF(SHA3.S); -    } -     -     -    /** -     * Squeeze as much as is needed to get a digest -     */ -    public static void fastSqueeze() -    { -	SHA3.keccakF(SHA3.S); /* Last squeeze did not do a ending squeeze */ -        int olen = SHA3.n; -        while ((olen -= SHA3.r) > 0) -	    SHA3.keccakF(SHA3.S); -    } -     -     -    /** -     * Squeeze as much as is needed to get a digest a number of times -     *  -     * @param  times  The number of digests -     */ -    public static void fastSqueeze(int times) -    { -	for (int i = 0; i < times; i++) -	{ -	    SHA3.keccakF(SHA3.S); /* Last squeeze did not do a ending squeeze */ -	    int olen = SHA3.n; -	    while ((olen -= SHA3.r) > 0) -		SHA3.keccakF(SHA3.S); -	} -    } -     -     -    /** -     * Squeeze out another digest -     *  -     * @return  The hash sum -     */ -    public static byte[] squeeze() -    { -	SHA3.keccakF(SHA3.S); /* Last squeeze did not do a ending squeeze */ -	 -        int nn, ww = SHA3.w >> 3; -        byte[] rc = new byte[nn = (SHA3.n + 7) >> 3]; -	 -        int olen = SHA3.n; -        int j = 0, ptr = 0; -        int ni = (SHA3.r >> 3) / ww; -        while (olen > 0) -	{ -            int i = 0; -	    while ((i < ni) && (j < nn)) -	    { -		long v = SHA3.S[(i % 5) * 5 + i / 5]; -		for (int k = 0; k < ww; k++) -		{ -                    if (j < nn) -		    { -			rc[ptr] = (byte)v; -                        ptr += 1; -		    } -                    v >>= 8; -                    j += 1; -		} -                i += 1; -	    } -            olen -= SHA3.r; -	    if (olen > 0) -		SHA3.keccakF(SHA3.S); -	} -	if ((SHA3.n & 7) != 0) -	    rc[rc.length - 1] &= (1 << (SHA3.n & 7)) - 1; -	 -        return rc; -    } -     -} diff --git a/java/sha3_224sum.java b/java/sha3_224sum.java deleted file mode 100644 index d6717d5..0000000 --- a/java/sha3_224sum.java +++ /dev/null @@ -1,42 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak checksum calculator with 224 bit output - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class sha3_224sum -{ -    /** -     * This is the main entry point of the program -     *  -     * @param   args         Command line arguments -     * @throws  IOException  On I/O error (such as broken pipes) -     */ -    public static void main(String[] args) throws IOException -    { -	sha3sum.run("sha3-224sum", args); -    } -} - diff --git a/java/sha3_256sum.java b/java/sha3_256sum.java deleted file mode 100644 index 06375f2..0000000 --- a/java/sha3_256sum.java +++ /dev/null @@ -1,42 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak checksum calculator with 256 bit output - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class sha3_256sum -{ -    /** -     * This is the main entry point of the program -     *  -     * @param   args         Command line arguments -     * @throws  IOException  On I/O error (such as broken pipes) -     */ -    public static void main(String[] args) throws IOException -    { -	sha3sum.run("sha3-256sum", args); -    } -} - diff --git a/java/sha3_384sum.java b/java/sha3_384sum.java deleted file mode 100644 index 40128f4..0000000 --- a/java/sha3_384sum.java +++ /dev/null @@ -1,42 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak checksum calculator with 384 bit output - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class sha3_384sum -{ -    /** -     * This is the main entry point of the program -     *  -     * @param   args         Command line arguments -     * @throws  IOException  On I/O error (such as broken pipes) -     */ -    public static void main(String[] args) throws IOException -    { -	sha3sum.run("sha3-384sum", args); -    } -} - diff --git a/java/sha3_512sum.java b/java/sha3_512sum.java deleted file mode 100644 index 60387d5..0000000 --- a/java/sha3_512sum.java +++ /dev/null @@ -1,42 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak checksum calculator with 512 bit output - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class sha3_512sum -{ -    /** -     * This is the main entry point of the program -     *  -     * @param   args         Command line arguments -     * @throws  IOException  On I/O error (such as broken pipes) -     */ -    public static void main(String[] args) throws IOException -    { -	sha3sum.run("sha3-512sum", args); -    } -} - diff --git a/java/sha3sum.java b/java/sha3sum.java deleted file mode 100644 index 7d70caf..0000000 --- a/java/sha3sum.java +++ /dev/null @@ -1,485 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - *  - * Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org) - *  - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - *  - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU Affero General Public License for more details. - *  - * You should have received a copy of the GNU Affero General Public License - * along with this program.  If not, see <http://www.gnu.org/licenses/>. - */ - -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak checksum calculator - *  - * @author  Mattias Andrée  <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class sha3sum -{ -    /** -     * This is the main entry point of the program -     *  -     * @param   args         Command line arguments -     * @throws  IOException  On I/O error (such as broken pipes) -     */ -    public static void main(String[] args) throws IOException -    { -	run("sha3sum", args); -    } -     -     -    /** -     * Run the program -     *  -     * @param   cmd          The command -     * @param   argv         Command line arguments -     * @throws  IOException  On I/O error (such as broken pipes) -     */ -    public static void run(String cmd, String[] argv) throws IOException -    { -	if (cmd.indexOf('/') >= 0) -	    cmd = cmd.substring(cmd.lastIndexOf('/') + 1); -	if (cmd.endsWith(".jar")) -	    cmd = cmd.substring(0, cmd.length() - 4); -	cmd = cmd.intern(); -	 -	Integer O = null; int _o = 512;             /* --outputsize */ -	if      (cmd == "sha3-224sum")  _o = 224; -	else if (cmd == "sha3-256sum")  _o = 256; -	else if (cmd == "sha3-384sum")  _o = 384; -	else if (cmd == "sha3-512sum")  _o = 512; -	Integer S = null; int _s = 1600;            /* --statesize  */ -	Integer C = null; int _c = _s - (_o << 1);  /* --capacity   */ -	Integer R = null; int _r = _s - _c;         /* --bitrate    */ -	Integer W = null; int _w = _s / 25;         /* --wordsize   */ -	Integer I = null; int _i = 1;               /* --iterations */ -	Integer J = null; int _j = 1;               /* --squeezes   */ -	int o = 0, s = 0, r = 0, c = 0, w = 0, i = 0, j = 0; -	 -	boolean binary = false, hex = false; -	int multi = 0; -	 -	String[] files = new String[argv.length + 1]; -	int fptr = 0; -	boolean dashed = false; -	String[] linger = null; -	 -	String[] args = new String[argv.length + 1]; -	System.arraycopy(argv, 0, args, 0, argv.length); -	for (int a = 0, an = args.length; a < an; a++) -	{   String arg = args[a]; -	    arg = arg == null ? null : arg.intern(); -	    if (linger != null) -	    { -		linger[0] = linger[0].intern(); -		if ((linger[0] == "-h") || (linger[0] == "--help")) -		{ -		    System.out.println(""); -		    System.out.println("SHA-3/Keccak checksum calculator"); -		    System.out.println(""); -		    System.out.println("USAGE:	sha3sum [option...] < file"); -		    System.out.println("	sha3sum [option...] file..."); -		    System.out.println(""); -		    System.out.println(""); -		    System.out.println("OPTIONS:"); -		    System.out.println("        -r BITRATE"); -		    System.out.println("        --bitrate       The bitrate to use for ckecksum.        (default: " + _r + ")"); -		    System.out.println("        "); -		    System.out.println("        -c CAPACITY"); -		    System.out.println("        --capacity      The capacity to use for checksum.       (default: " + _c + ")"); -		    System.out.println("        "); -		    System.out.println("        -w WORDSIZE"); -		    System.out.println("        --wordsize      The word size to use for checksum.      (default: " + _w + ")"); -		    System.out.println("        "); -		    System.out.println("        -o OUTPUTSIZE"); -		    System.out.println("        --outputsize    The output size to use for checksum.    (default: " + _o + ")"); -		    System.out.println("        "); -		    System.out.println("        -s STATESIZE"); -		    System.out.println("        --statesize     The state size to use for checksum.     (default: " + _s + ")"); -		    System.out.println("        "); -		    System.out.println("        -i ITERATIONS"); -		    System.out.println("        --iterations    The number of hash iterations to run.   (default: " + _i + ")"); -		    System.out.println("        "); -		    System.out.println("        -j SQUEEZES"); -		    System.out.println("        --squeezes      The number of hash squeezes to run.     (default: " + _j + ")"); -		    System.out.println("        "); -		    System.out.println("        -x"); -		    System.out.println("        --hex           Read the input in hexadecimal, rather than binary."); -		    System.out.println("        "); -		    System.out.println("        -b"); -		    System.out.println("        --binary        Print the checksum in binary, rather than hexadecimal."); -		    System.out.println("        "); -		    System.out.println("        -m"); -		    System.out.println("        --multi         Print the checksum at all iterations."); -		    System.out.println(""); -		    System.out.println(""); -		    System.out.println("COPYRIGHT:"); -		    System.out.println(""); -		    System.out.println("Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org)"); -		    System.out.println(""); -		    System.out.println("This program is free software: you can redistribute it and/or modify"); -		    System.out.println("it under the terms of the GNU Affero General Public License as published by"); -		    System.out.println("the Free Software Foundation, either version 3 of the License, or"); -		    System.out.println("(at your option) any later version."); -		    System.out.println(""); -		    System.out.println("This program is distributed in the hope that it will be useful,"); -		    System.out.println("but WITHOUT ANY WARRANTY; without even the implied warranty of"); -		    System.out.println("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the"); -		    System.out.println("GNU Affero General Public License for more details."); -		    System.out.println(""); -		    System.out.println("You should have received a copy of the GNU Affero General Public License"); -		    System.out.println("along with this program.  If not, see <http://www.gnu.org/licenses/>."); -		    System.out.println(""); -		    System.exit(0); -		} -		else -		{ -		    if (linger[1] == null) -		    { -			linger[1] = arg; -			arg = null; -		    } -		    if ((linger[0] == "-r") || (linger[0] == "--bitrate")) -			R = Integer.valueOf(linger[1]); -		    else if ((linger[0] == "-c") || (linger[0] == "--capacity")) -			C = Integer.valueOf(linger[1]); -		    else if ((linger[0] == "-w") || (linger[0] == "--wordsize")) -			W = Integer.valueOf(linger[1]); -		    else if ((linger[0] == "-o") || (linger[0] == "--outputsize")) -			O = Integer.valueOf(linger[1]); -		    else if ((linger[0] == "-s") || (linger[0] == "--statesize")) -			S = Integer.valueOf(linger[1]); -		    else if ((linger[0] == "-i") || (linger[0] == "--iterations")) -			I = Integer.valueOf(linger[1]); -		    else if ((linger[0] == "-j") || (linger[0] == "--squeezes")) -			J = Integer.valueOf(linger[1]); -		    else -		    { -			System.err.println(cmd + ": unrecognised option: " + linger[0]); -			System.exit(1); -		    } -		} -		linger = null; -		if (arg == null) -		    continue; -	    } -	    if (arg == null) -		continue; -	    if (dashed) -		files[fptr++] = arg == "-" ? null : arg; -	    else if (arg == "--") -		dashed = true; -	    else if (arg == "-") -		files[fptr++] = null; -	    else if (arg.startsWith("--")) -		if (arg.indexOf('=') >= 0) -	            linger = new String[] { arg.substring(0, arg.indexOf('=')), arg.substring(arg.indexOf('=') + 1) }; -		else -		    if (arg == "--binary") -	                binary = true; -		    else if (arg == "--multi") -	                multi++; -		    else if (arg == "--hex") -	                hex = true; -		    else -			linger = new String[] { arg, null }; -	    else if (arg.startsWith("-")) -	    { -		arg = arg.substring(1); -                if (arg.charAt(0) == 'b') -		{ -                    binary = true; -		    arg = arg.substring(1); -		} -                else if (arg.charAt(0) == 'm') -		{ -                    multi++; -		    arg = arg.substring(1); -		} -                else if (arg.charAt(0) == 'x') -		{ -                    hex = true; -		    arg = arg.substring(1); -		} -                else if (arg.length() == 1) -		    linger = new String[] { "-" + arg, null }; -                else -                    linger = new String[] { "-" + arg.charAt(0), arg.substring(1) }; -	    } -            else -                files[fptr++] = arg; -	} -	 -	 -	i = I == null ? _i : I.intValue(); -	j = J == null ? _j : J.intValue(); -	 -	if (S != null) -	{   s = S.intValue(); -	    if ((s <= 0) || (s > 1600) || (s % 25 != 0)) -	    {	System.err.println(cmd + ": the state size must be a positive multiple of 25 and is limited to 1600."); -		System.exit(6); -	}   } -	 -	if (W != null) -	{   w = W.intValue(); -	    if ((w <= 0) || (w > 64)) -	    {	System.err.println(cmd + ": the word size must be positive and is limited to 64."); -		System.exit(6); -	    } -	    if ((S != null) && (s != w * 25)) -	    {	System.err.println(cmd + ": the state size must be 25 times of the word size."); -		System.exit(6); -	    } -	    else if (S == null) -		S = new Integer(w * 25); -	} -	 -	if (C != null) -	{   c = C.intValue(); -	    if ((c <= 0) || ((c & 7) != 0)) -	    {	System.err.println(cmd + ": the capacity must be a positive multiple of 8."); -		System.exit(6); -	}   } -	 -	if (R != null) -	{   r = R.intValue(); -	    if ((r <= 0) || ((r & 7) != 0)) -	    {	System.err.println(cmd + ": the bitrate must be a positive multiple of 8."); -		System.exit(6); -	}   } -	 -	if (O != null) -	{   o = O.intValue(); -	    if (o <= 0) -	    {	System.err.println(cmd + ": the output size must be positive."); -		System.exit(6); -	}   } -	 -	 -	if ((R == null) && (C == null) && (O == null)) // s? -	{   c = -((r = (o = ((((s = S == null ? _s : s) << 5) / 100 + 7) >> 3) << 3) << 1) - s); -	    o = o < 8 ? 8 : o; -	} -	else if ((R == null) && (C == null)) // !o s? -	{   r = _r; -	    c = _c; -	    s = S == null ? (r + c) : s; -	} -	else if (R == null) // !c o? s? -	{   r = (s = S == null ? _s : s) - c; -	    o = O == null ? (c == 8 ? 8 : (c << 1)) : o; -	} -	else if (C == null) // !r o? s? -	{   c = (s = S == null ? _s : s) - r; -	    o = O == null ? (c == 8 ? 8 : (c << 1)) : o; -	} -	else // !r !c o? s? -	{   s = S == null ? (r + c) : s; -	    o = O == null ? (c == 8 ? 8 : (c << 1)) : o; -	} -	 -	 -	System.err.println("Bitrate: " + r); -	System.err.println("Capacity: " + c); -	System.err.println("Word size: " + w); -	System.err.println("State size: " + s); -	System.err.println("Output size: " + o); -	System.err.println("Iterations: " + i); -	System.err.println("Squeezes: " + j); -	 -	 -	if (r > s) -	{   System.err.println(cmd + ": the bitrate must not be higher than the state size."); -	    System.exit(6); -	} -	if (c > s) -	{   System.err.println(cmd + ": the capacity must not be higher than the state size."); -	    System.exit(6); -	} -	if (r + c != s) -	{   System.err.println(cmd + ": the sum of the bitrate and the capacity must equal the state size."); -	    System.exit(6); -	} -	 -	 -	if (fptr == 0) -	    files[fptr++] = null; -	if (i < 1) -	{ -	    System.err.println(cmd + ": sorry, I will only do at least one hash iteration!"); -	    System.exit(3); -	} -	if (j < 1) -	{ -	    System.err.println(cmd + ": sorry, I will only do at least one squeeze iteration!"); -	    System.exit(3); -	} -	 -	byte[] stdin = null; -	boolean fail = false; -	String filename; - -	for (int f = 0; f < fptr; f++) -	{   String rc = ""; -	    String fn = (filename = files[f]) == null ? "/dev/stdin" : filename; -	    InputStream file = null; -	    try -	    { -		byte[] bs; -		if ((filename != null) || (stdin == null)) -		{ -		    file = new FileInputStream(fn); -		    SHA3.initialise(r, c, o); -		    int blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/ -		    byte[] chunk = new byte[blksize]; -		    for (;;) -		    { -			int read = file.read(chunk, 0, blksize); -			if (read <= 0) -			    break; -			if (hex == false) -			    SHA3.update(chunk, read); -			else -			{ -			    int n = read >> 1; -			    for (int k = 0; k < n; k++) -			    {	byte a = chunk[k << 1], b = chunk[(k << 1) | 1]; -				chunk[k] = (byte)((((a & 15) + (a <= '9' ? 0 : 9)) << 4) | ((b & 15) + (b <= '9' ? 0 : 9))); -			    } -			    SHA3.update(chunk, n); -			} -		    } -		    bs = SHA3.digest(j == 1); -		    if (j > 2) -			SHA3.fastSqueeze(j - 2); -		    if (j > 1) -			bs = SHA3.squeeze(); -		    if (filename == null) -			stdin = bs; -		} -		else -		    bs = stdin; -		if (multi == 0) -		{ -		    for (int k = 1; k < i; k++) -		    { -			SHA3.initialise(r, c, o); -			bs = SHA3.digest(bs, j == 1); -			if (j > 2) -			    SHA3.fastSqueeze(j - 2); -			if (j > 1) -			    bs = SHA3.squeeze(); -		    } -		    if (binary) -			System.out.write(bs); -		    else -		    {   for (int b = 0, bn = bs.length; b < bn; b++) -			{   rc += "0123456789ABCDEF".charAt((bs[b] >> 4) & 15); -			    rc += "0123456789ABCDEF".charAt(bs[b] & 15); -			} -			rc += " " + (filename == null ? "-" : filename) + "\n"; -			System.out.print(rc); -		    } -		} -		else if (multi == 1) -		{ -		    byte[] out = null; -		    if (binary) -			System.out.write(bs); -		    else -		    { -			out = new byte[(bs.length << 1) + 1]; -			for (int b = 0, bn = bs.length; b < bn; b++) -			{   out[ b << 1     ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); -			    out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); -			} -			out[out.length - 1] = '\n'; -			System.out.write(out); -		    } -		    for (int k = 1; k < i; k++) -		    { -			SHA3.initialise(r, c, o); -			bs = SHA3.digest(bs, j == 1); -			if (j > 2) -			    SHA3.fastSqueeze(j - 2); -			if (j > 1) -			    bs = SHA3.squeeze(); -			if (binary) -			    System.out.write(bs); -			else -			{ -			    for (int b = 0, bn = bs.length; b < bn; b++) -			    {   out[ b << 1     ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); -				out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); -			    } -			    System.out.write(out); -			} -		    } -		} -		else -		{ -		    HashSet<String> got = new HashSet<String>(); -		    String loop = null; -		    byte[] out = new byte[(bs.length << 1)]; -		    for (int k = 0; k < i; k++) -		    { -			if (k > 0) -			{   SHA3.initialise(r, c, o); -			    bs = SHA3.digest(bs, j == 1); -			    if (j > 2) -				SHA3.fastSqueeze(j - 2); -			    if (j > 1) -				bs = SHA3.squeeze(); -			} -			for (int b = 0, bn = bs.length; b < bn; b++) -			{   out[ b << 1     ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); -			    out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); -			} -			String now = new String(out, "UTF-8"); -			if (loop == null) -			    if (got.contains(now)) -				loop = now; -			    else -				got.add(now); -			if ((loop != null) && (loop.equals(now))) -			    now = "\033[31m" + now + "\033[00m"; -			System.out.println(now); -		    } -		    if (loop != null) -			System.err.println("\033[01;31mLoop found\033[00m"); -		} -		System.out.flush(); -	    } -	    catch (final IOException err) -	    {   System.err.println(cmd + ": cannot read file: " + filename + ": " + err); -		fail = true; -	    } -	    finally -	    {   if (file != null) -		    try -		    {	file.close(); -		    } -		    catch (final Throwable ignore) -		    {   //ignore -	}   }	    } -	 -	System.out.flush(); -	if (fail) -	    System.exit(5); -    } -     -} -  | 
