diff options
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; -} - |