diff options
| 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 /c | |
| 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 'c')
| -rw-r--r-- | c/sha3.c | 905 | ||||
| -rw-r--r-- | c/sha3.h | 137 | ||||
| -rw-r--r-- | c/sha3sum.c | 760 | 
3 files changed, 0 insertions, 1802 deletions
| diff --git a/c/sha3.c b/c/sha3.c deleted file mode 100644 index 50ba85b..0000000 --- a/c/sha3.c +++ /dev/null @@ -1,905 +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/>. - */ -#include "sha3.h" - -#include <string.h> - - -#ifdef WITH_C99 -  #define static_inline static inline -#else -  #define static_inline inline -#endif - -#ifdef WITH_THREADLOCAL -  #define threadlocal __thread -  /* This is compiler dependent, if your compiler does -   * not support this you need to define __thread yourself. */ -#else -  #define threadlocal /* no threading support */ -#endif - -#define null 0 -#define true 1 -#define false 0 - - - -/** - * Round contants - */ -#ifdef WITH_C99 -static const llong RC[] = { -  0x0000000000000001LL, 0x0000000000008082LL, 0x800000000000808ALL, 0x8000000080008000LL, -  0x000000000000808BLL, 0x0000000080000001LL, 0x8000000080008081LL, 0x8000000000008009LL, -  0x000000000000008ALL, 0x0000000000000088LL, 0x0000000080008009LL, 0x000000008000000ALL, -  0x000000008000808BLL, 0x800000000000008BLL, 0x8000000000008089LL, 0x8000000000008003LL, -  0x8000000000008002LL, 0x8000000000000080LL, 0x000000000000800ALL, 0x800000008000000ALL, -  0x8000000080008081LL, 0x8000000000008080LL, 0x0000000080000001LL, 0x8000000080008008LL}; -#else -static const llong 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}; -#endif - -/** - * Keccak-f round temporary - */ -static threadlocal llong B[25]; - -/** - * Keccak-f round temporary - */ -static threadlocal llong C[5]; - - -/** - * The bitrate - */ -static threadlocal long r = 0; - -/** - * The capacity - */ -static threadlocal long c = 0; - -/** - * The output size - */ -static threadlocal long n = 0; - -/** - * The state size - */ -static threadlocal long b = 0; - -/** - * The word size - */ -static threadlocal long w = 0; - -/** - * The word mask - */ -static threadlocal llong wmod = 0; - -/** - * ℓ, the binary logarithm of the word size - */ -static threadlocal long l = 0; - -/** - * 12 + 2ℓ, the number of rounds - */ -static threadlocal long nr = 0; - - -/** - * The current state - */ -static threadlocal llong* S = null; - -/** - * Left over water to fill the sponge with at next update - */ -static threadlocal byte* M = null; - -/** - * Pointer for {@link #M} - */ -static threadlocal long mptr = 0; - -/** - * Size of {@link #M} - */ -static threadlocal long mlen = 0; - - - -/** - * Gets the smallest, in value, of the arguments - *  - * @param   X  The first candidate - * @param   Y  The second candidate - * @return     The lowest candidate - */ -#define min(X, Y)  ((X) < (Y) ? (X) : (Y)) - - - -/** - * Copy an array segment into an array in start to end order - *  - * @param  src     The source array - * @param  soff    The source array offset - * @param  dest    The destination array - * @param  doff    The destination array offset - * @param  length  The number of elements to copy - */ -static_inline void sha3_arraycopy(byte* src, long soff, byte* dest, long doff, long length) -{ -  long i; -  src += soff; -  dest += doff; -   -  #define __(X)  dest[X] = src[X] -  #define __0  *dest = *src -  #define __1  __(0x01) -  #define __2  __(0x02); __(0x03) -  #define __3  __(0x04); __(0x05); __(0x06); __(0x07) -  #define __4  __(0x08); __(0x09); __(0x0A); __(0x0B); __(0x0C); __(0x0D); __(0x0E); __(0x0F) -  #define __5  __(0x10); __(0x11); __(0x12); __(0x13); __(0x14); __(0x15); __(0x16); __(0x17); __(0x18); __(0x19); __(0x1A); __(0x1B); __(0x1C); __(0x1D); __(0x1E); __(0x1F) -  #define __6  __(0x20); __(0x21); __(0x22); __(0x23); __(0x24); __(0x25); __(0x26); __(0x27); __(0x28); __(0x29); __(0x2A); __(0x2B); __(0x2C); __(0x2D); __(0x2E); __(0x2F); \ -               __(0x30); __(0x31); __(0x32); __(0x33); __(0x34); __(0x35); __(0x36); __(0x37); __(0x38); __(0x39); __(0x3A); __(0x3B); __(0x3C); __(0x3D); __(0x3E); __(0x3F) -  #define __7  __(0x40); __(0x41); __(0x42); __(0x43); __(0x44); __(0x45); __(0x46); __(0x47); __(0x48); __(0x49); __(0x4A); __(0x4B); __(0x4C); __(0x4D); __(0x4E); __(0x4F); \ -               __(0x50); __(0x51); __(0x52); __(0x53); __(0x54); __(0x55); __(0x56); __(0x57); __(0x58); __(0x59); __(0x5A); __(0x5B); __(0x5C); __(0x5D); __(0x5E); __(0x5F); \ -               __(0x60); __(0x61); __(0x62); __(0x63); __(0x64); __(0x65); __(0x66); __(0x67); __(0x68); __(0x69); __(0x6A); __(0x6B); __(0x6C); __(0x6D); __(0x6E); __(0x6F); \ -               __(0x70); __(0x71); __(0x72); __(0x73); __(0x74); __(0x75); __(0x76); __(0x77); __(0x78); __(0x79); __(0x7A); __(0x7B); __(0x7C); __(0x7D); __(0x7E); __(0x7F) -  #define __8  __(0x80); __(0x81); __(0x82); __(0x83); __(0x84); __(0x85); __(0x86); __(0x87); __(0x88); __(0x89); __(0x8A); __(0x8B); __(0x8C); __(0x8D); __(0x8E); __(0x8F); \ -               __(0x90); __(0x91); __(0x92); __(0x93); __(0x94); __(0x95); __(0x96); __(0x97); __(0x98); __(0x99); __(0x9A); __(0x9B); __(0x9C); __(0x9D); __(0x9E); __(0x9F); \ -               __(0xA0); __(0xA1); __(0xA2); __(0xA3); __(0xA4); __(0xA5); __(0xA6); __(0xA7); __(0xA8); __(0xA9); __(0xAA); __(0xAB); __(0xAC); __(0xAD); __(0xAE); __(0xAF); \ -               __(0xB0); __(0xB1); __(0xB2); __(0xB3); __(0xB4); __(0xB5); __(0xB6); __(0xB7); __(0xB8); __(0xB9); __(0xBA); __(0xBB); __(0xBC); __(0xBD); __(0xBE); __(0xBF); \ -               __(0xC0); __(0xC1); __(0xC2); __(0xC3); __(0xC4); __(0xC5); __(0xC6); __(0xC7); __(0xC8); __(0xC9); __(0xCA); __(0xCB); __(0xCC); __(0xCD); __(0xCE); __(0xCF); \ -               __(0xD0); __(0xD1); __(0xD2); __(0xD3); __(0xD4); __(0xD5); __(0xD6); __(0xD7); __(0xD8); __(0xD9); __(0xDA); __(0xDB); __(0xDC); __(0xDD); __(0xDE); __(0xDF); \ -               __(0xE0); __(0xE1); __(0xE2); __(0xE3); __(0xE4); __(0xE5); __(0xE6); __(0xE7); __(0xE8); __(0xE9); __(0xEA); __(0xEB); __(0xEC); __(0xED); __(0xEE); __(0xEF); \ -               __(0xF0); __(0xF1); __(0xF2); __(0xF3); __(0xF4); __(0xF5); __(0xF6); __(0xF7); __(0xF8); __(0xF9); __(0xFA); __(0xFB); __(0xFC); __(0xFD); __(0xFE); __(0xFF) -   -  if ((length & 15)) -    { -      if ((length &   1))  {  __0;   src += 1;  dest += 1;  } -      if ((length &   2))  {  __0;  __1;   src += 2;  dest += 2;  } -      if ((length &   4))  {  __0;  __1;  __2;   src += 4;  dest += 4;  } -      if ((length &   8))  {  __0;  __1;  __2;  __3;   src += 8;  dest += 8;  } -    } -  if ((length & 240)) -    { -      if ((length &  16))  {  __0;  __1;  __2;  __3;  __4;   src += 16;  dest += 16;  } -      if ((length &  32))  {  __0;  __1;  __2;  __3;  __4;  __5;   src += 32;  dest += 32;  } -      if ((length &  64))  {  __0;  __1;  __2;  __3;  __4;  __5;  __6;   src += 64;  dest += 64;  } -      if ((length & 128))  {  __0;  __1;  __2;  __3;  __4;  __5;  __6;  __7;   src += 128;  dest += 128;  } -    } -  length &= ~255; -  for (i = 0; i < length; i += 256) -    { -      __0;  __1;  __2;  __3;  __4;  __5;  __6;  __7;  __8;   src += 256;  dest += 256; -    } -   -  #undef __8 -  #undef __7 -  #undef __6 -  #undef __5 -  #undef __4 -  #undef __3 -  #undef __2 -  #undef __1 -  #undef __0 -  #undef __ -} - - -/** - * Copy an array segment into an array in end to start order - *  - * @param  src     The source array - * @param  soff    The source array offset - * @param  dest    The destination array - * @param  doff    The destination array offset - * @param  length  The number of elements to copy - */ -static_inline void sha3_revarraycopy(byte* src, long soff, byte* dest, long doff, long length) -{ -  long copyi; -  for (copyi = length - 1; copyi >= 0; copyi--) -    dest[copyi + doff] = src[copyi + soff]; -} - - -/** - * Rotate a word - *  - * @param   X:llong  The value to rotate - * @param   N:long   Rotation steps, may not be 0 - * @return   :llong  The value rotated - */ -#define rotate(X, N)  ((((X) >> (w - ((N) % w))) + ((X) << ((N) % w))) & wmod) - - -/** - * Rotate a 64-bit word - *  - * @param   X:llong  The value to rotate - * @param   N:long   Rotation steps, may not be 0 - * @return   :llong  The value rotated - */ -#define rotate64(X, N)  ((llong)((ullong)(X) >> (64 - (N))) + ((X) << (N))) - - -/** - * Binary logarithm - *  - * @param   x  The value of which to calculate the binary logarithm - * @return     The binary logarithm - */ -static_inline long sha3_lb(long x) -{ -  long 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 - */ -static void sha3_keccakFRound(llong* restrict_ A, llong rc) -{ -  llong da, db, dc, dd, de; -   -  /* θ step (step 1 and 2 of 3) */ -  #define __C(I, J0, J1, J2, J3, J4)  C[I] = (A[J0] ^ A[J1]) ^ (A[J2] ^ A[J3]) ^ A[J4] -  __C(0,   0,  1,  2,  3,  4); -  __C(1,   5,  6,  7,  8,  9); -  __C(2,  10, 11, 12, 13, 14); -  __C(3,  15, 16, 17, 18, 19); -  __C(4,  20, 21, 22, 23, 24); -  #undef __C -   -  if (w == 64) -    { -      da = C[4] ^ rotate64(C[1], 1); -      dd = C[2] ^ rotate64(C[4], 1); -      db = C[0] ^ rotate64(C[2], 1); -      de = C[3] ^ rotate64(C[0], 1); -      dc = C[1] ^ rotate64(C[3], 1); -       -      /* ρ and π steps, with last two part of θ */ -      #define __B(Bi, Ai, Dv, R)  B[Bi] = rotate64(A[Ai] ^ Dv, R) -      B[0] = A[0] ^ da;     __B( 1, 15, dd, 28);  __B( 2,  5, db,  1);  __B( 3, 20, de, 27);  __B( 4, 10, dc, 62); -      __B( 5,  6, db, 44);  __B( 6, 21, de, 20);  __B( 7, 11, dc,  6);  __B( 8,  1, da, 36);  __B( 9, 16, dd, 55); -      __B(10, 12, dc, 43);  __B(11,  2, da,  3);  __B(12, 17, dd, 25);  __B(13,  7, db, 10);  __B(14, 22, de, 39); -      __B(15, 18, dd, 21);  __B(16,  8, db, 45);  __B(17, 23, de,  8);  __B(18, 13, dc, 15);  __B(19,  3, da, 41); -      __B(20, 24, de, 14);  __B(21, 14, dc, 61);  __B(22,  4, da, 18);  __B(23, 19, dd, 56);  __B(24,  9, db,  2); -      #undef __B -    } -  else -    { -      da = C[4] ^ rotate(C[1], 1); -      dd = C[2] ^ rotate(C[4], 1); -      db = C[0] ^ rotate(C[2], 1); -      de = C[3] ^ rotate(C[0], 1); -      dc = C[1] ^ rotate(C[3], 1); -       -      /* ρ and π steps, with last two part of θ */ -      #define __B(Bi, Ai, Dv, R)  B[Bi] = rotate(A[Ai] ^ Dv, R) -      B[0] = A[0] ^ da;     __B( 1, 15, dd, 28);  __B( 2,  5, db,  1);  __B( 3, 20, de, 27);  __B( 4, 10, dc, 62); -      __B( 5,  6, db, 44);  __B( 6, 21, de, 20);  __B( 7, 11, dc,  6);  __B( 8,  1, da, 36);  __B( 9, 16, dd, 55); -      __B(10, 12, dc, 43);  __B(11,  2, da,  3);  __B(12, 17, dd, 25);  __B(13,  7, db, 10);  __B(14, 22, de, 39); -      __B(15, 18, dd, 21);  __B(16,  8, db, 45);  __B(17, 23, de,  8);  __B(18, 13, dc, 15);  __B(19,  3, da, 41); -      __B(20, 24, de, 14);  __B(21, 14, dc, 61);  __B(22,  4, da, 18);  __B(23, 19, dd, 56);  __B(24,  9, db,  2); -      #undef __B -    } -   -  /* ξ step */ -  #define __A(X, X5, X10)  A[X] = B[X] ^ ((~(B[X5])) & B[X10]) -  __A( 0,  5, 10);  __A( 1,  6, 11);  __A( 2,  7, 12);  __A( 3,  8, 13);  __A( 4,  9, 14); -  __A( 5, 10, 15);  __A( 6, 11, 16);  __A( 7, 12, 17);  __A( 8, 13, 18);  __A( 9, 14, 19); -  __A(10, 15, 20);  __A(11, 16, 21);  __A(12, 17, 22);  __A(13, 18, 23);  __A(14, 19, 24); -  __A(15, 20,  0);  __A(16, 21,  1);  __A(17, 22,  2);  __A(18, 23,  3);  __A(19, 24,  4); -  __A(20,  0,  5);  __A(21,  1,  6);  __A(22,  2,  7);  __A(23,  3,  8);  __A(24,  4,  9); -  #undef __A -   -  /* ι step */ -  A[0] ^= rc; -} - - -/** - * Perform Keccak-f function - *  - * @param  A  The current state - */ -static void sha3_keccakF(llong* restrict_ A) -{ -  long i; -  if (nr == 24) -    { -      sha3_keccakFRound(A, 0x0000000000000001); -      sha3_keccakFRound(A, 0x0000000000008082); -      sha3_keccakFRound(A, 0x800000000000808A); -      sha3_keccakFRound(A, 0x8000000080008000); -      sha3_keccakFRound(A, 0x000000000000808B); -      sha3_keccakFRound(A, 0x0000000080000001); -      sha3_keccakFRound(A, 0x8000000080008081); -      sha3_keccakFRound(A, 0x8000000000008009); -      sha3_keccakFRound(A, 0x000000000000008A); -      sha3_keccakFRound(A, 0x0000000000000088); -      sha3_keccakFRound(A, 0x0000000080008009); -      sha3_keccakFRound(A, 0x000000008000000A); -      sha3_keccakFRound(A, 0x000000008000808B); -      sha3_keccakFRound(A, 0x800000000000008B); -      sha3_keccakFRound(A, 0x8000000000008089); -      sha3_keccakFRound(A, 0x8000000000008003); -      sha3_keccakFRound(A, 0x8000000000008002); -      sha3_keccakFRound(A, 0x8000000000000080); -      sha3_keccakFRound(A, 0x000000000000800A); -      sha3_keccakFRound(A, 0x800000008000000A); -      sha3_keccakFRound(A, 0x8000000080008081); -      sha3_keccakFRound(A, 0x8000000000008080); -      sha3_keccakFRound(A, 0x0000000080000001); -      sha3_keccakFRound(A, 0x8000000080008008); -    } -  else -    for (i = 0; i < nr; i++) -      sha3_keccakFRound(A, RC[i] & wmod); -} - - -/** - * Convert a chunk of byte:s to a word - *  - * @param   message  The message - * @param   msglen   The length of the message - * @param   rr       Bitrate in bytes - * @param   ww       Word size in bytes - * @param   off      The offset in the message - * @return           Lane - */ -static_inline llong sha3_toLane(byte* restrict_ message, long msglen, long rr, long ww, long off) -{ -  llong rc = 0; -  long n = min(msglen, rr), i; -  for (i = off + ww - 1; i >= off; i--) -    rc = (rc << 8) | ((i < n) ? (llong)(message[i] & 255) : 0L); -  return rc; -} - - -/** - * Convert a chunk of byte:s to a 64-bit word - *  - * @param   message  The message - * @param   msglen   The length of the message - * @param   rr       Bitrate in bytes - * @param   off      The offset in the message - * @return           Lane - */ -static_inline llong sha3_toLane64(byte* restrict_ message, long msglen, long rr, long off) -{ -  long n = min(msglen, rr); -  return ((off + 7 < n) ? ((llong)(message[off + 7] & 255) << 56) : 0L) | -         ((off + 6 < n) ? ((llong)(message[off + 6] & 255) << 48) : 0L) | -         ((off + 5 < n) ? ((llong)(message[off + 5] & 255) << 40) : 0L) | -         ((off + 4 < n) ? ((llong)(message[off + 4] & 255) << 32) : 0L) | -         ((off + 3 < n) ? ((llong)(message[off + 3] & 255) << 24) : 0L) | -         ((off + 2 < n) ? ((llong)(message[off + 2] & 255) << 16) : 0L) | -         ((off + 1 < n) ? ((llong)(message[off + 1] & 255) <<  8) : 0L) | -         ((off     < n) ? ((llong)(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 - * @param   outlen  The length of the padded message (out parameter) - * @return          The message padded - */ -static_inline byte* sha3_pad10star1(byte* restrict_ msg, long len, long r, long bits, long* restrict_ outlen) -{ -  byte* message; -  byte b; -  long i, ll, nbrf, nrf; -   -  len = ((len - (bits + 7) / 8) << 3) + bits; -  nrf = len >> 3; -  nbrf = len & 7; -  ll = len % r; -   -  b = (byte)(nbrf == 0 ? 1 : (msg[nrf] | (1 << nbrf))); -   -  if ((r - 8 <= ll) && (ll <= r - 2)) -    { -      message = (byte*)malloc((len = nrf + 1) * sizeof(byte)); -      message[nrf] = (byte)(b ^ 128); -    } -  else -    { -      byte* M; -      long N; -      len = (nrf + 1) << 3; -      len = ((len - (len % r) + (r - 8)) >> 3) + 1; -      message = (byte*)malloc(len * sizeof(byte)); -      message[nrf] = b; -      N = len - nrf - 1; -      M = message + nrf + 1; -       -      #define __(X)  M[X] = 0 -      #define __0  *M = 0 -      #define __1  __(0x01) -      #define __2  __(0x02); __(0x03) -      #define __3  __(0x04); __(0x05); __(0x06); __(0x07) -      #define __4  __(0x08); __(0x09); __(0x0A); __(0x0B); __(0x0C); __(0x0D); __(0x0E); __(0x0F) -      #define __5  __(0x10); __(0x11); __(0x12); __(0x13); __(0x14); __(0x15); __(0x16); __(0x17); __(0x18); __(0x19); __(0x1A); __(0x1B); __(0x1C); __(0x1D); __(0x1E); __(0x1F) -      #define __6  __(0x20); __(0x21); __(0x22); __(0x23); __(0x24); __(0x25); __(0x26); __(0x27); __(0x28); __(0x29); __(0x2A); __(0x2B); __(0x2C); __(0x2D); __(0x2E); __(0x2F); \ -                   __(0x30); __(0x31); __(0x32); __(0x33); __(0x34); __(0x35); __(0x36); __(0x37); __(0x38); __(0x39); __(0x3A); __(0x3B); __(0x3C); __(0x3D); __(0x3E); __(0x3F) -      #define __7  __(0x40); __(0x41); __(0x42); __(0x43); __(0x44); __(0x45); __(0x46); __(0x47); __(0x48); __(0x49); __(0x4A); __(0x4B); __(0x4C); __(0x4D); __(0x4E); __(0x4F); \ -                   __(0x50); __(0x51); __(0x52); __(0x53); __(0x54); __(0x55); __(0x56); __(0x57); __(0x58); __(0x59); __(0x5A); __(0x5B); __(0x5C); __(0x5D); __(0x5E); __(0x5F); \ -                   __(0x60); __(0x61); __(0x62); __(0x63); __(0x64); __(0x65); __(0x66); __(0x67); __(0x68); __(0x69); __(0x6A); __(0x6B); __(0x6C); __(0x6D); __(0x6E); __(0x6F); \ -                   __(0x70); __(0x71); __(0x72); __(0x73); __(0x74); __(0x75); __(0x76); __(0x77); __(0x78); __(0x79); __(0x7A); __(0x7B); __(0x7C); __(0x7D); __(0x7E); __(0x7F) -      #define __8  __(0x80); __(0x81); __(0x82); __(0x83); __(0x84); __(0x85); __(0x86); __(0x87); __(0x88); __(0x89); __(0x8A); __(0x8B); __(0x8C); __(0x8D); __(0x8E); __(0x8F); \ -                   __(0x90); __(0x91); __(0x92); __(0x93); __(0x94); __(0x95); __(0x96); __(0x97); __(0x98); __(0x99); __(0x9A); __(0x9B); __(0x9C); __(0x9D); __(0x9E); __(0x9F); \ -                   __(0xA0); __(0xA1); __(0xA2); __(0xA3); __(0xA4); __(0xA5); __(0xA6); __(0xA7); __(0xA8); __(0xA9); __(0xAA); __(0xAB); __(0xAC); __(0xAD); __(0xAE); __(0xAF); \ -                   __(0xB0); __(0xB1); __(0xB2); __(0xB3); __(0xB4); __(0xB5); __(0xB6); __(0xB7); __(0xB8); __(0xB9); __(0xBA); __(0xBB); __(0xBC); __(0xBD); __(0xBE); __(0xBF); \ -                   __(0xC0); __(0xC1); __(0xC2); __(0xC3); __(0xC4); __(0xC5); __(0xC6); __(0xC7); __(0xC8); __(0xC9); __(0xCA); __(0xCB); __(0xCC); __(0xCD); __(0xCE); __(0xCF); \ -                   __(0xD0); __(0xD1); __(0xD2); __(0xD3); __(0xD4); __(0xD5); __(0xD6); __(0xD7); __(0xD8); __(0xD9); __(0xDA); __(0xDB); __(0xDC); __(0xDD); __(0xDE); __(0xDF); \ -                   __(0xE0); __(0xE1); __(0xE2); __(0xE3); __(0xE4); __(0xE5); __(0xE6); __(0xE7); __(0xE8); __(0xE9); __(0xEA); __(0xEB); __(0xEC); __(0xED); __(0xEE); __(0xEF); \ -                   __(0xF0); __(0xF1); __(0xF2); __(0xF3); __(0xF4); __(0xF5); __(0xF6); __(0xF7); __(0xF8); __(0xF9); __(0xFA); __(0xFB); __(0xFC); __(0xFD); __(0xFE); __(0xFF) -       -      if ((N & 15)) -	{ -	  if ((N &   1))  {  __0;   M += 1;  } -	  if ((N &   2))  {  __0;  __1;   M += 2;  } -	  if ((N &   4))  {  __0;  __1;  __2;   M += 4;  } -	  if ((N &   8))  {  __0;  __1;  __2;  __3;   M += 8;  } -	} -      if ((N & 240)) -	{ -	  if ((N &  16))  {  __0;  __1;  __2;  __3;  __4;   M += 16;  } -	  if ((N &  32))  {  __0;  __1;  __2;  __3;  __4;  __5;   M += 32;  } -	  if ((N &  64))  {  __0;  __1;  __2;  __3;  __4;  __5;  __6;   M += 64;  } -	  if ((N & 128))  {  __0;  __1;  __2;  __3;  __4;  __5;  __6;  __7;   M += 128;  } -	} -      N &= ~255; -      for (i = 0; i < N; i += 256) -	{ -	  __0;  __1;  __2;  __3;  __4;  __5;  __6;  __7;  __8;   M += 256; -	} -       -      #undef __8 -      #undef __7 -      #undef __6 -      #undef __5 -      #undef __4 -      #undef __3 -      #undef __2 -      #undef __1 -      #undef __0 -      #undef __ -       -      message[len - 1] = -128; -    } -  sha3_arraycopy(msg, 0, message, 0, nrf); -   -  *outlen = len; -  return message; -} - - -/** - * Initialise Keccak sponge - *  - * @param  bitrate   The bitrate - * @param  capacity  The capacity - * @param  output    The output size - */ -void sha3_initialise(long bitrate, long capacity, long output) -{ -  long i; -   -  r = bitrate; -  n = output; -  c = capacity; -  b = r + c; -  w = b / 25; -  l = sha3_lb(w); -  nr = 12 + (l << 1); -  if (w == 64) -    wmod = -1; -  else -    { -      wmod = 1; -      wmod <<= w; -      wmod--; -    } -  S = (llong*)malloc(25 * sizeof(llong)); -  M = (byte*)malloc((mlen = (r * b) >> 2) * sizeof(byte)); -  mptr = 0; -   -  for (i = 0; i < 25; i++) -    *(S + i) = 0; -} - -/** - * Dispose of the Keccak sponge - */ -void sha3_dispose() -{ -  #ifdef WITH_WIPE -  long i; -  #endif -  if (S != null) -    { -      #ifdef WITH_WIPE -      for (i = 0; i < 25; i++) -	*(S + i) = 0; -      #endif -      free(S); -      S = null; -    } -  if (M != null) -    { -      #ifdef WITH_WIPE -      for (i = 0; i < mlen; i++) -	*(M + i) = 0; -      #endif -      free(M); -      M = null; -    } -} - -/** - * Absorb the more of the message to the Keccak sponge - *  - * @param  msg     The partial message - * @param  msglen  The length of the partial message - */ -void sha3_update(byte* restrict_ msg, long msglen) -{ -  long rr = r >> 3; -  long ww = w >> 3; -  long i, len; -  byte* message; -  byte* _msg; -  long nnn; -   -  if (mptr + msglen > mlen) -    #ifndef WITH_WIPE -    M = (byte*)realloc(M, mlen = (mlen + msglen) << 1); -    #else -    { -      long mlen_ = mlen; -      char* M_ = (byte*)malloc(mlen = (mlen + msglen) << 1); -      sha3_arraycopy(M, 0, M_, 0, mlen_); -      for (i = 0; i < mlen_; i++) -	*(M + i) = 0; -      free(M); -      M = M_; -    } -    #endif -  sha3_arraycopy(msg, 0, M, mptr, msglen); -  len = mptr += msglen; -  len -= len % ((r * b) >> 3); -  message = (byte*)malloc(len * sizeof(byte)); -  sha3_arraycopy(M, 0, message, 0, len); -  mptr -= len; -  sha3_revarraycopy(M, nnn = len, M, 0, mptr); -  _msg = message; -   -  /* Absorbing phase */ -  if (ww == 8) -    for (i = 0; i < nnn; i += rr) -      { -	#define __S(Si, OFF)  S[Si] ^= sha3_toLane64(message, len, rr, OFF) -	__S( 0,   0);  __S( 5,   8);  __S(10,  16);  __S(15,  24);  __S(20,  32); -	__S( 1,  40);  __S( 6,  48);  __S(11,  56);  __S(16,  64);  __S(21,  72); -	__S( 2,  80);  __S( 7,  88);  __S(12,  96);  __S(17, 104);  __S(22, 112); -	__S( 3, 120);  __S( 8, 128);  __S(13, 136);  __S(18, 144);  __S(23, 152); -	__S( 4, 160);  __S( 9, 168);  __S(14, 176);  __S(19, 184);  __S(24, 192); -        #undef __S -	sha3_keccakF(S); -	message += rr; -	len -= rr; -      } -  else -    for (i = 0; i < nnn; i += rr) -      { -	#define __S(Si, OFF)  S[Si] ^= sha3_toLane(message, len, rr, ww, OFF * ww) -	__S( 0,  0);  __S( 5,  1);  __S(10,  2);  __S(15,  3);  __S(20,  4); -	__S( 1,  5);  __S( 6,  6);  __S(11,  7);  __S(16,  8);  __S(21,  9); -	__S( 2, 10);  __S( 7, 11);  __S(12, 12);  __S(17, 13);  __S(22, 14); -	__S( 3, 15);  __S( 8, 16);  __S(13, 17);  __S(18, 18);  __S(23, 19); -	__S( 4, 20);  __S( 9, 21);  __S(14, 22);  __S(19, 23);  __S(24, 24); -        #undef __S -	sha3_keccakF(S); -	message += rr; -	len -= rr; -      } -   -  #ifdef WITH_WIPE -  for (i = 0; i < nnn; i++) -    *(_msg + i) = 0; -  #endif -  free(_msg); -} - - -/** - * Absorb the last part of the message and squeeze the Keccak sponge - *  - * @param   msg         The rest of the message, may be {@code null} - * @param   msglen      The length of the partial message - * @param   bits        The number of bits at the end of the message not covered by `msglen` - * @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} - */ -byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* restrict_ suffix, boolean withReturn) -{ -  byte* message; -  byte* _msg; -  byte* rc; -  long rr = r >> 3, len; -  long nn = (n + 7) >> 3, olen; -  long ww = w >> 3, ni; -  long i, j = 0, ptr = 0, _; -  long nnn; -  long suffix_len = strlen(suffix); -   -  if (msg == null) -    msglen = bits = 0; -   -  msglen += bits >> 3; -  if ((bits &= 7)) -    msg[msglen] &= (1 << bits) - 1; -  if (suffix_len) -    { -      #ifndef WITH_WIPE -      msg = (byte*)realloc(msg, msglen + ((suffix_len + bits + 7) >> 3)); -      #else -      { -	char* old_msg = msg; -	msg = (byte*)malloc(msglen + ((suffix_len + bits + 7) >> 3)); -	memcpy(msg, old_msg, msglen + !!bits); -	for (i = 0; i < msglen + !!bits; i++) -	  *(old_msg + i) = 0; -	free(old_msg); -      } -      #endif -      if (!bits) -	msg[msglen] = 0; -      for (i = 0; i < suffix_len; i++) -	{ -	  msg[msglen] |= (suffix[i] - '0') << bits++; -	  if (bits == 8) -	    { -	      bits = 0; -	      msglen++; -	      msg[msglen] = 0; -	    } -        } -    } -  if (bits) -    msglen++; -   -  if (mptr + msglen > mlen) -    #ifndef WITH_WIPE -    M = (byte*)realloc(M, mlen += msglen); -    #else -    { -      long mlen_ = mlen; -      char* M_ = (byte*)malloc(mlen += msglen); -      sha3_arraycopy(M, 0, M_, 0, mlen_); -      for (i = 0; i < mlen_; i++) -	*(M + i) = 0; -      free(M); -      M = M_; -    } -    #endif -  sha3_arraycopy(msg, 0, M, mptr, msglen); -  message = sha3_pad10star1(M, mptr + msglen, r, bits, &len); -   -  #ifdef WITH_WIPE -  for (i = 0; i < mlen; i++) -    *(M + i) = 0; -  #endif -  free(M); -  M = null; -  rc = withReturn ? (byte*)malloc(((n + 7) >> 3) * sizeof(byte)) : null; -  _msg = message; -  nnn = len; -   -  /* Absorbing phase */ -  if (ww == 8) -    for (i = 0; i < nnn; i += rr) -      { -	#define __S(Si, OFF)  S[Si] ^= sha3_toLane64(message, len, rr, OFF) -	__S( 0,   0);  __S( 5,   8);  __S(10,  16);  __S(15,  24);  __S(20,  32); -	__S( 1,  40);  __S( 6,  48);  __S(11,  56);  __S(16,  64);  __S(21,  72); -	__S( 2,  80);  __S( 7,  88);  __S(12,  96);  __S(17, 104);  __S(22, 112); -	__S( 3, 120);  __S( 8, 128);  __S(13, 136);  __S(18, 144);  __S(23, 152); -	__S( 4, 160);  __S( 9, 168);  __S(14, 176);  __S(19, 184);  __S(24, 192); -        #undef __S -	sha3_keccakF(S); -	message += rr; -	len -= rr; -      } -  else -    for (i = 0; i < nnn; i += rr) -      { -	#define __S(Si, OFF)  S[Si] ^= sha3_toLane(message, len, rr, ww, OFF * ww) -	__S( 0,  0);  __S( 5,  1);  __S(10,  2);  __S(15,  3);  __S(20,  4); -	__S( 1,  5);  __S( 6,  6);  __S(11,  7);  __S(16,  8);  __S(21,  9); -	__S( 2, 10);  __S( 7, 11);  __S(12, 12);  __S(17, 13);  __S(22, 14); -	__S( 3, 15);  __S( 8, 16);  __S(13, 17);  __S(18, 18);  __S(23, 19); -	__S( 4, 20);  __S( 9, 21);  __S(14, 22);  __S(19, 23);  __S(24, 24); -        #undef __S -	sha3_keccakF(S); -	message += rr; -	len -= rr; -      } -   -  #ifdef WITH_WIPE -  for (i = 0; i < nnn; i++) -    *(_msg + i) = 0; -  #endif -  free(_msg); -   -  /* Squeezing phase */ -  olen = n; -  if (withReturn) -    { -      ni = rr / ww; -      while (olen > 0) -	{ -	  i = 0; -	  while ((i < ni) && (j < nn)) -	    { -	      llong v = S[(i % 5) * 5 + i / 5]; -	      for (_ = 0; _ < ww; _++) -		{ -		  if (j < nn) -		    rc[ptr++] = (byte)v; -		  v >>= 8; -		  j += 1; -		} -	      i += 1; -	    } -	  olen -= r; -	  if (olen > 0) -	    sha3_keccakF(S); -	} -      if ((n & 7)) -	rc[n >> 3] &= (1 << (n & 7)) - 1; -       -      return rc; -    } -  while ((olen -= r) > 0) -    sha3_keccakF(S); -  return null; -} - - -/** - * Force some rounds of Keccak-f - *  - * @param  times  The number of rounds - */ -void sha3_simpleSqueeze(long times) -{ -  long i; -  for (i = 0; i < times; i++) -    sha3_keccakF(S); -} - - -/** - * Squeeze as much as is needed to get a digest a number of times - *  - * @param  times  The number of digests - */ -void sha3_fastSqueeze(long times) -{ -  long i, olen; -  for (i = 0; i < times; i++) -    { -      sha3_keccakF(S); /* Last squeeze did not do a ending squeeze */ -      olen = n; -      while ((olen -= r) > 0) -	sha3_keccakF(S); -    } -} - - -/** - * Squeeze out another digest - *  - * @return  The hash sum - */ -byte* sha3_squeeze(void) -{ -  long nn, ww, olen, i, j, _, ptr, ni; -  byte* rc; -   -  sha3_keccakF(S); /* Last squeeze did not do a ending squeeze */ -   -  ww = w >> 3; -  rc = (byte*)malloc((nn = (n + 7) >> 3) * sizeof(byte)); -  olen = n; -  j = ptr = 0; -  ni = (r >> 3) / ww; -   -  while (olen > 0) -    { -      i = 0; -      while ((i < ni) && (j < nn)) -	{ -	  llong v = S[(i % 5) * 5 + i / 5]; -	  for (_ = 0; _ < ww; _++) -	    { -	      if (j < nn) -		*(rc + ptr++) = (byte)v; -	      v >>= 8; -	      j += 1; -	    } -	  i += 1; -	} -      olen -= r; -      if (olen > 0) -	sha3_keccakF(S); -    } -  if (n & 7) -    rc[nn - 1] &= (1 << (n & 7)) - 1; -   -  return rc; -} - - -/** - * Retrieve the state of the Keccak sponge - *  - * @return  A 25-element array with the state, changes will be applied to the sponge - */ -llong* sha3_state(void) -{ -  return S; -} - diff --git a/c/sha3.h b/c/sha3.h deleted file mode 100644 index a66d937..0000000 --- a/c/sha3.h +++ /dev/null @@ -1,137 +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/>. - */ -#ifndef __SHA3_H__ -#define __SHA3_H__ - -#include <stdlib.h> - - -#ifdef WITH_C99 -  #include <inttypes.h> -  #define restrict_ restrict -  #define byte int_fast8_t -  #define boolean int_fast8_t -  #define llong int_fast64_t -  #define ullong uint_fast64_t -#else -  #define restrict_ /* introduced in C99 */ -  #define byte char -  #define boolean char -  #if __x86_64__ || __ppc64__ -    #define llong long int -  #else -    #define llong long long int -  #endif -  #define ullong unsigned llong -#endif - - -/** - * Suffix the message when calculating the Keccak hash sum - */ -#define KECCAK_SUFFIX  "" - -/** - * Suffix the message when calculating the SHA-3 hash sum - */ -#define SHA3_SUFFIX  "01" -   -/** - * Suffix the message when calculating the RawSHAKE hash sum - */ -#define RawSHAKE_SUFFIX  "11" -   -/** - * Suffix the message when calculating the SHAKE hash sum - */ -#define SHAKE_SUFFIX  "1111" - - -/** - * Initialise Keccak sponge - *  - * @param  bitrate   The bitrate - * @param  capacity  The capacity - * @param  output    The output size - */ -void sha3_initialise(long bitrate, long capacity, long output); - - -/** - * Dispose of the Keccak sponge - */ -void sha3_dispose(void); - - -/** - * Absorb the more of the message to the Keccak sponge - *  - * @param  msg     The partial message - * @param  msglen  The length of the partial message - */ -void sha3_update(byte* restrict_ msg, long msglen); - - -/** - * Absorb the last part of the message and squeeze the Keccak sponge - *  - * @param   msg         The rest of the message, may be {@code null} - * @param   msglen      The length of the partial message - * @param   bits        The number of bits at the end of the message not covered by `msglen` - * @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} - */ -byte* sha3_digest(byte* restrict_ msg, long msglen, long bits, char* restrict_ suffix, boolean withReturn); - - -/** - * Force some rounds of Keccak-f - *  - * @param  times  The number of rounds - */ -void sha3_simpleSqueeze(long times); - - -/** - * Squeeze as much as is needed to get a digest a number of times - *  - * @param  times  The number of digests - */ -void sha3_fastSqueeze(long times); - - -/** - * Squeeze out another digest - *  - * @return  The hash sum - */ -byte* sha3_squeeze(void); - - -/** - * Retrieve the state of the Keccak sponge - *  - * @return  A 25-element array with the state, changes will be applied to the sponge - */ -llong* sha3_state(void); - - -#endif - diff --git a/c/sha3sum.c b/c/sha3sum.c deleted file mode 100644 index 8b32755..0000000 --- a/c/sha3sum.c +++ /dev/null @@ -1,760 +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/>. - */ -#include <stdio.h> -#include <alloca.h> -#include <sys/stat.h> - -#include "sha3.h" - - -#define false 0 -#define true  1 -#define null  0 - -#define SET void** - -#define HEXADECA "0123456789ABCDEF" - - -/** - * Prints a number of bytes to stdout - *  - * @param  BYTES:char*  The bytes to print - * @param  N:long       The number of bytes - */ -#define putchars(BYTES, N)  fwrite(BYTES, 1, N, stdout) - - -/** - * Creates a new set - *  - * @return  The set - */ -SET set_new() -{ -  long i; -  void** rc = (void**)malloc(sizeof(void*) << 4); -  for (i = 0; i < 16; i++) -    *(rc + i) = 0; -  return rc; -} - - -/** - * Frees a set - *  - * @param  set  The set - */ -void set_free(SET restrict_ set) -{ -  if (*(set +  0))  set_free((void**)*(set +  0)); -  if (*(set +  1))  set_free((void**)*(set +  1)); -  if (*(set +  2))  set_free((void**)*(set +  2)); -  if (*(set +  3))  set_free((void**)*(set +  3)); -  if (*(set +  4))  set_free((void**)*(set +  4)); -  if (*(set +  5))  set_free((void**)*(set +  5)); -  if (*(set +  6))  set_free((void**)*(set +  6)); -  if (*(set +  7))  set_free((void**)*(set +  7)); -  if (*(set +  8))  set_free((void**)*(set +  8)); -  if (*(set +  9))  set_free((void**)*(set +  9)); -  if (*(set + 10))  set_free((void**)*(set + 10)); -  if (*(set + 11))  set_free((void**)*(set + 11)); -  if (*(set + 12))  set_free((void**)*(set + 12)); -  if (*(set + 13))  set_free((void**)*(set + 13)); -  if (*(set + 14))  set_free((void**)*(set + 14)); -  if (*(set + 15))  set_free((void**)*(set + 15)); -  free(set); -} - - -/** - * Adds an item to a set - *  - * @param  set   The set - * @param  item  The item - * @param  n     The length of the item - */ -void set_add(SET restrict_ set, char* restrict_ item, long n) -{ -  long i, j; -  void** at = set; -  for (i = 0; i < n; i++) -    { -      long a = (long)((*(item + i)) & 15), b = (long)((*(item + i) >> 4) & 15); -      if (*(at + a)) -	at = (void**)*(at + a); -      else -	{ -	  at = (void**)(*(at + a) = (void*)malloc(sizeof(void*) << 4)); -	  for (j = 0; j < 16; j++) -	    *(at + j) = 0; -	} -      if (*(at + b)) -	at = (void**)*(at + b); -      else -	{ -	  at = (void**)(*(at + b) = (void*)malloc(sizeof(void*) << 4)); -	  for (j = 0; j < 16; j++) -	    *(at + j) = 0; -	} -    } -} - - -/** - * Checks if a set contains an item - *  - * @param   set   The set - * @param   item  The item - * @param   n     The length of the item - * @return        Whether the set contains the item - */ -long set_contains(SET restrict_ set, byte* restrict_ item, long n) -{ -  long i; -  void** at = set; -  for (i = 0; i < n; i++) -    { -      long a = (long)((*(item + i)) & 15), b = (long)((*(item + i) >> 4) & 15); -      if (*(at + a)) -	at = (void**)*(at + a); -      else -	return false; -      if (*(at + b)) -	at = (void**)*(at + b); -      else -	return false; -    } -  return true; -} - - -/** - * String equality comparator - *  - * @param   a  First comparand - * @param   b  Second comparand - * @return     Whether the comparands are equal - */ -long eq(char* restrict_ a, char* restrict_ b) -{ -  while (*a) -    if (*a++ != *b++) -      return false; -  return !*b; -} - - -/** - * Convert a string to an integer - *  - * @param   str  String representation - * @return       Native representation - */ -long parseInt(char* restrict_ str) -{ -  long rc = 0; -  while (*str) -    rc = rc * 10 - (*str++ & 15); -  return -rc; -} - - -/** - * This is the main entry point of the program - *  - * @param   argc  Command line argument count - * @param   argv  Command line arguments - * @return        Exit value, zero on and only on successful execution - */ -int main(int argc, char** argv) -{ -  char* out_alloc; -  byte* stdin_alloc; -   -  long _o, o, _s, s, _r, r, _c, c, _w, w, _i, i, _j, j; -  long _O, O, _S, S, _R, R, _C, C, _W, W, _I, I, _J, J; -  long binary = false, hex = false, dashed = false; -  long multi = 0, fptr = 0, bn; -   -  char** files = (char**)alloca((argc + 2) * sizeof(char*)); -  char** linger = files + argc; -  char* linger0 = (char*)alloca(sizeof(char) << 13); -   -  long a = 0, an = argc - 1; -  char** args = argv + 1; -  char* cmd = *argv; -   -   -  _O = _S = _R = _C = _W = _I = _J = false; -  O = S = R = C = W = I = J = 0; -  o = s = r = c = w = i = j = 0; -   -  *linger = 0; -   -   -  s = -1; -  for (i = 0; *(cmd + i); i++) -    if (*(cmd + i) == '/') -      s = i; -  if (s >= 0) -    cmd += s + 1; -   -  _o = 512;           /* --outputsize */ -  if ((cmd[0] == 's') && (cmd[1] == 'h') && (cmd[2] == 'a') && (cmd[3] == '3') && (cmd[4] == '-')) -    if ((cmd[5] != 0) && (cmd[6] != 0) && (cmd[7] != 0)) -      if ((cmd[8] == 's') && (cmd[9] == 'u') && (cmd[10] == 'm') && (cmd[11] == 0)) -	{ -	  if ((cmd[5] == '2') && (cmd[6] == '2') && (cmd[7] == '4')) -	    _o = 224; -	  else if ((cmd[5] == '2') && (cmd[6] == '5') && (cmd[7] == '6')) -	    _o = 256; -	  else if ((cmd[5] == '3') && (cmd[6] == '8') && (cmd[7] == '4')) -	    _o = 384; -	  else if ((cmd[5] == '5') && (cmd[6] == '1') && (cmd[7] == '2')) -	    _o = 512; -	} -  _s = 1600;            /* --statesize  */ -  _c = _s - (_o << 1);  /* --capacity   */ -  _r = _s - _c;         /* --bitrate    */ -  _w = _s / 25;         /* --wordsize   */ -  _i = 1;               /* --iterations */ -  _j = 1;               /* --squeezes   */ -   -   -  for (; a <= an; a++) -    { -      char* arg = a == an ? null : *(args + a); -      if (*linger) -	{ -	  if (eq(*linger, "-h") || eq(*linger, "--help")) -	    { -	      printf("\n"); -	      printf("SHA-3/Keccak checksum calculator\n"); -	      printf("\n"); -	      printf("USAGE:	sha3sum [option...] < file\n"); -	      printf("	sha3sum [option...] file...\n"); -	      printf("\n"); -	      printf("\n"); -	      printf("OPTIONS:\n"); -	      printf("        -r BITRATE\n"); -	      printf("        --bitrate       The bitrate to use for checksum.        (default: %li)\n", _r); -	      printf("        \n"); -	      printf("        -c CAPACITY\n"); -	      printf("        --capacity      The capacity to use for checksum.       (default: %li)\n", _c); -	      printf("        \n"); -	      printf("        -w WORDSIZE\n"); -	      printf("        --wordsize      The word size to use for checksum.      (default: %li)\n", _w); -	      printf("        \n"); -	      printf("        -o OUTPUTSIZE\n"); -	      printf("        --outputsize    The output size to use for checksum.    (default: %li)\n", _o); -	      printf("        \n"); -	      printf("        -s STATESIZE\n"); -	      printf("        --statesize     The state size to use for ckecksum.     (default: %li)\n", _s); -	      printf("        \n"); -	      printf("        -i ITERATIONS\n"); -	      printf("        --iterations    The number of hash iterations to run.   (default: %li)\n", _i); -	      printf("        \n"); -	      printf("        -j SQUEEZES\n"); -	      printf("        --squeezes      The number of hash squeezes to run.     (default: %li)\n", _j); -	      printf("        \n"); -	      printf("        -x\n"); -	      printf("        --hex           Read the input in hexadecimal, rather than binary.\n"); -	      printf("        \n"); -	      printf("        -b\n"); -	      printf("        --binary        Print the checksum in binary, rather than hexadecimal.\n"); -	      printf("        \n"); -	      printf("        -m\n"); -	      printf("        --multi         Print the checksum at all iterations.\n"); -	      printf("\n"); -	      printf("\n"); -	      printf("COPYRIGHT:\n"); -	      printf("\n"); -	      printf("Copyright © 2013, 2014  Mattias Andrée (maandree@member.fsf.org)\n"); -	      printf("\n"); -	      printf("This program is free software: you can redistribute it and/or modify\n"); -	      printf("it under the terms of the GNU Affero General Public License as published by\n"); -	      printf("the Free Software Foundation, either version 3 of the License, or\n"); -	      printf("(at your option) any later version.\n"); -	      printf("\n"); -	      printf("This program is distributed in the hope that it will be useful,\n"); -	      printf("but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); -	      printf("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"); -	      printf("GNU Affero General Public License for more details.\n"); -	      printf("\n"); -	      printf("You should have received a copy of the GNU Affero General Public License\n"); -	      printf("along with this program.  If not, see <http://www.gnu.org/licenses/>.\n"); -	      printf("\n"); -	      fflush(stdout); -	      fflush(stderr); -	      return 0; -	    } -	  else -	    { -	      if (*(linger + 1) == null) -		{ -		  *(linger + 1) = arg; -		  arg = null; -		} -	      if (eq(*linger, "-r") || eq(*linger, "--bitrate")) -		_R = 1 | (R = parseInt(linger[1])); -	      else if (eq(*linger, "-c") || eq(*linger, "--capacity")) -		_C = 1 | (C = parseInt(linger[1])); -	      else if (eq(*linger, "-w") || eq(*linger, "--wordsize")) -		_W = 1 | (W = parseInt(linger[1])); -	      else if (eq(*linger, "-o") || eq(*linger, "--outputsize")) -		_O = 1 | (O = parseInt(linger[1])); -	      else if (eq(*linger, "-s") || eq(*linger, "--statesize")) -		_S = 1 | (S = parseInt(linger[1])); -	      else if (eq(*linger, "-i") || eq(*linger, "--iterations")) -		_I = 1 | (I = parseInt(linger[1])); -	      else if (eq(*linger, "-j") || eq(*linger, "--squeezes")) -		_J = 1 | (J = parseInt(linger[1])); -	      else -		{ -		  fprintf(stderr, "%s: unrecognised option: %s\n", cmd, *linger); -		  fflush(stdout); -		  fflush(stderr); -		  return 1; -		} -	    } -	  *linger = null; -	  if (arg == null) -	    continue; -	} -      if (arg == null) -	continue; -      if (dashed) -	files[fptr++] = ((arg[0] == '-') && (arg[1] == 0)) ? null : arg; -      else if ((arg[0] == '-') && (arg[1] == '-') && (arg[2] == 0)) -	dashed = true; -      else if ((arg[0] == '-') && (arg[1] == 0)) -	files[fptr++] = null; -      else if ((arg[0] == '-') && (arg[1] == '-') && arg[2]) -	{ -	  long idx = -1, j; -	  for (j = 0; *(arg + j); j++) -	    if (*(arg + j) == '=') -	      { -		idx = j; -		break; -	      } -	  if (idx >= 0) -	    { -	      linger[0] = linger0; -	      linger[1] = arg + idx + 1; -	      for (j = 0; j < idx; j++) -		*(*linger + j) = *(arg + j); -	    } -	  else -	    if (eq(arg, "--binary")) -	      binary = true; -	    else if (eq(arg, "--multi")) -	      multi++; -	    else if (eq(arg, "--hex")) -	      hex = true; -	    else -	      { -		linger[0] = arg; -		linger[1] = null; -	      } -	} -      else if ((arg[0] == '-') && arg[1]) -	{ -	  arg++; -	  if (*arg == 'b') -	    { -	      binary = true; -	      arg++; -	    } -	  else if (*arg == 'm') -	    { -	      multi++; -	      arg++; -	    } -	  else if (*arg == 'x') -	    { -	      hex = true; -	      arg++; -	    } -	  else -	    { -	      { -		char* _ = linger0; -		*_++ = '-'; *_++ = *arg; *_ = 0; -		linger[0] = _ - 2; -	      } -	      { -		long _ = 0; -		while (*(arg + _)) -		  _++; -		linger[1] = _ == 1 ? null : arg + 1; -	      } -	    } -	} -      else -	files[fptr++] = arg; -    } -   -   -  i = _I ? I : _i; -  j = _J ? J : _j; -   -  #define ERR(text)  fprintf(stderr, "%s: " text "\n", cmd);  fflush(stdout);  fflush(stderr) -   -  if (_S) -    { -      s = S; -      if ((s <= 0) || (s > 1600) || (s % 25)) -	{ -	  ERR("the state size must be a positive multiple of 25 and is limited to 1600."); -	  return 6; -	} -    } -   -  if (_W) -    { -      w = W; -      if ((w <= 0) || (w > 64)) -	{ -	  ERR("the word size must be positive and is limited to 64."); -	  return 6; -	} -      if (_S && (s != w * 25)) -	{ -	  ERR("the state size must be 25 times of the word size."); -	  return 6; -	} -      else if (_S == null) -	_S = 1 | (S = w * 25); -    } -   -  if (_C) -    { -      c = C; -      if ((c <= 0) || (c & 7)) -	{ -	  ERR("the capacity must be a positive multiple of 8."); -	  return 6; -	} -    } -   -  if (_R) -    { -      r = R; -      if ((r <= 0) || (r & 7)) -	{ -	  ERR("the bitrate must be a positive multiple of 8."); -	  return 6; -	} -    } -   -  if (_O) -    { -      o = O; -      if (o <= 0) -	{ -	  ERR("the output size must be positive."); -	  return 6; -	} -    } -   -  if ((_R | _C | _O) == null) /* s? */ -    { -      s = _S ? s : _s; -      c = -((r = (o = (((s << 5) / 100 + 7) >> 3) << 3) << 1) - s); -      o = o < 8 ? 8 : o; -    } -  else if ((_R | _C) == null) /* !o s? */ -    { -      r = _r; -      c = _c; -      s = _S ? s : (r + c); -    } -  else if (_R == null) /* !c o? s? */ -    { -      r = (s = _S ? s : _s) - c; -      o = _O ? o : (c == 8 ? 8 : (c << 1)); -    } -  else if (_C == null) /* !r o? s? */ -    { -      c = (s = _S ? s : _s) - r; -      o = _O ? o : (c == 8 ? 8 : (c << 1)); -    } -  else /* !r !c o? s? */ -    { -      s = _S ? s : (r + c); -      o = _O ? o : (c == 8 ? 8 : (c << 1)); -    } -   -   -  fprintf(stderr, "Bitrate: %li\n", r); -  fprintf(stderr, "Capacity: %li\n", c); -  fprintf(stderr, "Word size: %li\n", w); -  fprintf(stderr, "State size: %li\n", s); -  fprintf(stderr, "Output Size: %li\n", o); -  fprintf(stderr, "Iterations: %li\n", i); -  fprintf(stderr, "Squeezes: %li\n", j); -   -   -  if (r > s) -    { -      ERR("the bitrate must not be higher than the state size."); -      return 6; -    } -  if (c > s) -    { -      ERR("the capacity must not be higher than the state size."); -      return 6; -    } -  if (r + c != s) -    { -      ERR("the sum of the bitrate and the capacity must equal the state size."); -      return 6; -    } -   -   -  if (fptr == 0) -    files[fptr++] = null; -  if (i < 1) -    { -      ERR("sorry, I will only do at least one hash iteration!"); -      return 3; -    } -  if (j < 1) -    { -      ERR("sorry, I will only do at least one squeeze iteration!"); -      return 3; -    } -   -  #undef ERR -   -  bn = (o + 7) >> 3; -  out_alloc = (char*)alloca(bn * 2 * sizeof(char) + bn * sizeof(byte)); -  stdin_alloc = (byte*)(out_alloc + bn * 2); -  { -    byte* stdin; -    char* filename; -    char* fn; -    long f, fail, _; -    struct stat attr; -     -    char* out = binary ? null : out_alloc; -     -    fail = false; -    stdin = null; -     -    for (f = 0; f < fptr; f++) -      { -	FILE* file; -	long blksize; -	byte* chunk; -	byte* bs; -	 -	filename = *(files + f); -	fn = filename ? filename : "/dev/stdin"; -	file = fopen(fn, "r"); -	if (file == null) -	  { -	    fprintf(stderr, "%s: cannot read file: %s\n", cmd, filename); -	    fail = true; -	    continue; -	  } -	 -	if ((filename != null) || (stdin == null)) -	  { -	    sha3_initialise(r, c, o); -	    blksize = stat(*(argv + f), &attr) ? 0 : attr.st_blksize; -	    if (blksize <= 0) -	      blksize = 4096; -	    chunk = (byte*)alloca(blksize * sizeof(byte)); -	    for (;;) -	      { -		long read = fread(chunk, 1, blksize, file); -		if (read <= 0) -		  break; -		if (hex == false) -		  sha3_update(chunk, read); -		else -		  { -		    int n = read >> 1; -		    for (_ = 0; _ < n; _++) -		      { -			byte a = *(chunk + (_ << 1)), b = *(chunk + ((_ << 1) | 1)); -			a = (a & 15) + (a <= '9' ? 0 : 9); -			b = (b & 15) + (b <= '9' ? 0 : 9); -			*(chunk + _) = (a << 4) | b; -		      } -		    sha3_update(chunk, n); -		  } -	      } -	    bs = sha3_digest(null, 0, 0, SHA3_SUFFIX, j == 1); -	    if (j > 2) -	      sha3_fastSqueeze(j - 2); -	    if (j > 1) -	      bs = sha3_squeeze(); -	    sha3_dispose(); -	     -	    if (filename == null) -	      { -		stdin = stdin_alloc; -		for (_ = 0; _ < bn; _++) -		  *(stdin_alloc + _) = *(bs + _); -	      } -          } -	else -	  bs = stdin; -	 -	if (multi == 0) -	  { -	    for (_ = 1; _ < i; _++) -	      { -		byte* _bs = bs; -		sha3_initialise(r, c, o); -		bs = sha3_digest(bs, bn, 0, SHA3_SUFFIX, j == 1); -		if (j > 2) -		  sha3_fastSqueeze(j - 2); -		if (j > 1) -		  bs = sha3_squeeze(); -		free(_bs); -		sha3_dispose(); -	      } -	    if (binary) -	      putchars((char*)bs, bn); -	    else -	      { -		long b, outptr = 0; -		for (b = 0; b < bn; b++) -		  { -		    byte v = bs[b]; -		    *(out + outptr++) = HEXADECA[(v >> 4) & 15]; -		    *(out + outptr++) = HEXADECA[v & 15]; -		  } -		out[outptr] = '\0'; -		printf("%s %s\n", out, filename ? filename : "-"); -	      } -	  } -	else if (multi == 1) -	  { -	    long b; -	    if (binary) -	      putchars((char*)bs, bn); -	    else -	      { -		for (b = 0; b < bn; b++) -		  { -		    byte v = bs[b]; -		    out[b * 2    ] = HEXADECA[(v >> 4) & 15]; -		    out[b * 2 + 1] = HEXADECA[v & 15]; -		  } -		out[b*2] = '\0'; -		printf("%s %s\n", out, filename ? filename : "-"); -	      } -	    for (_ = 1; _ < i; _++) -	      { -		byte* _bs = bs; -		sha3_initialise(r, c, o); -		bs = sha3_digest(bs, bn, 0, SHA3_SUFFIX, j == 1); -		if (j > 2) -		  sha3_fastSqueeze(j - 2); -		if (j > 1) -		  bs = sha3_squeeze(); -		free(_bs); -		sha3_dispose(); -		if (binary) -		  putchars((char*)bs, bn); -		else -		  { -		    for (b = 0; b < bn; b++) -		      { -			byte v = bs[b]; -			out[b * 2    ] = HEXADECA[(v >> 4) & 15]; -			out[b * 2 + 1] = HEXADECA[v & 15]; -		      } -		    out[b*2] = '\0'; -		    printf("%s\n", out); -		  } -	      } -	  } -	else -	  { -	    long b; -	    char loophere; -	    char* loop = null; -	    SET got = set_new(); -	    for (_ = 0; _ < i; _++) -	      { -		if (_ > 0) -		  { -		    byte* _bs = bs; -		    sha3_initialise(r, c, o); -		    bs = sha3_digest(bs, bn, 0, SHA3_SUFFIX, j == 1); -		    if (j > 2) -		      sha3_fastSqueeze(j - 2); -		    if (j > 1) -		      bs = sha3_squeeze(); -		    free(_bs); -		    sha3_dispose(); -		  } -		for (b = 0; b < bn; b++) -		  { -		    byte v = bs[b]; -		    out[b * 2    ] = HEXADECA[(v >> 4) & 15]; -		    out[b * 2 + 1] = HEXADECA[v & 15]; -		  } -		if (loop == null) -		  { -		    if (set_contains(got, bs, bn)) -		      { -			loop = (char*)malloc(bn * 2 * sizeof(char)); -			for (b = 0; b < bn * 2; b++) -			  *(loop + b) = *(out + b); -		      } -		    else -		      set_add(got, out, bn); -		  } -		loophere = loop && eq(loop, out); -		if (loophere) -		  printf("\033[31m"); -		putchars(out, bn * 2); -		if (loophere) -		  printf("\033[00m"); -		fflush(stdout); -	      } -	    if (loop) -	      { -		fprintf(stderr, "\033[01;31mLoop found\033[00m\n"); -		free(loop); -	      } -	    set_free(got); -	  } -	if (bs != null) -	  free(bs); -	fclose(file); -      } -     -    fflush(stdout); -    fflush(stderr); -    if (fail) -      return 5; -  } -   -  return 0; -} - | 
