This is pulled straight from: https://github.com/cr-marcstevens/sha1collisiondetection
with no modifications yet (though I've pulled in only the subset of files necessary for Git to use). Signed-off-by: Jeff King <p...@peff.net> --- sha1dc/sha1.c | 1146 ++++++++++++++++++++++++++++++++++++++++++++++++++++ sha1dc/sha1.h | 94 +++++ sha1dc/ubc_check.c | 361 +++++++++++++++++ sha1dc/ubc_check.h | 35 ++ 4 files changed, 1636 insertions(+) create mode 100644 sha1dc/sha1.c create mode 100644 sha1dc/sha1.h create mode 100644 sha1dc/ubc_check.c create mode 100644 sha1dc/ubc_check.h diff --git a/sha1dc/sha1.c b/sha1dc/sha1.c new file mode 100644 index 000000000..ed2010911 --- /dev/null +++ b/sha1dc/sha1.c @@ -0,0 +1,1146 @@ +/*** +* Copyright 2017 Marc Stevens <m...@marc-stevens.nl>, Dan Shumow (dan...@microsoft.com) +* Distributed under the MIT Software License. +* See accompanying file LICENSE.txt or copy at +* https://opensource.org/licenses/MIT +***/ + +#include <string.h> +#include <memory.h> +#include <stdio.h> + +#include "sha1.h" +#include "ubc_check.h" + +#define rotate_right(x,n) (((x)>>(n))|((x)<<(32-(n)))) +#define rotate_left(x,n) (((x)<<(n))|((x)>>(32-(n)))) + +#define sha1_f1(b,c,d) ((d)^((b)&((c)^(d)))) +#define sha1_f2(b,c,d) ((b)^(c)^(d)) +#define sha1_f3(b,c,d) (((b) & ((c)|(d))) | ((c)&(d))) +#define sha1_f4(b,c,d) ((b)^(c)^(d)) + +#define HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, m, t) \ + { e += rotate_left(a, 5) + sha1_f1(b,c,d) + 0x5A827999 + m[t]; b = rotate_left(b, 30); } +#define HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, m, t) \ + { e += rotate_left(a, 5) + sha1_f2(b,c,d) + 0x6ED9EBA1 + m[t]; b = rotate_left(b, 30); } +#define HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, m, t) \ + { e += rotate_left(a, 5) + sha1_f3(b,c,d) + 0x8F1BBCDC + m[t]; b = rotate_left(b, 30); } +#define HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, m, t) \ + { e += rotate_left(a, 5) + sha1_f4(b,c,d) + 0xCA62C1D6 + m[t]; b = rotate_left(b, 30); } + +#define HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(a, b, c, d, e, m, t) \ + { b = rotate_right(b, 30); e -= rotate_left(a, 5) + sha1_f1(b,c,d) + 0x5A827999 + m[t]; } +#define HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(a, b, c, d, e, m, t) \ + { b = rotate_right(b, 30); e -= rotate_left(a, 5) + sha1_f2(b,c,d) + 0x6ED9EBA1 + m[t]; } +#define HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(a, b, c, d, e, m, t) \ + { b = rotate_right(b, 30); e -= rotate_left(a, 5) + sha1_f3(b,c,d) + 0x8F1BBCDC + m[t]; } +#define HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(a, b, c, d, e, m, t) \ + { b = rotate_right(b, 30); e -= rotate_left(a, 5) + sha1_f4(b,c,d) + 0xCA62C1D6 + m[t]; } + +#define SHA1_STORE_STATE(i) states[i][0] = a; states[i][1] = b; states[i][2] = c; states[i][3] = d; states[i][4] = e; + + + +void sha1_message_expansion(uint32_t W[80]) +{ + for (unsigned i = 16; i < 80; ++i) + W[i] = rotate_left(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1); +} + +void sha1_compression(uint32_t ihv[5], const uint32_t m[16]) +{ + uint32_t W[80]; + + memcpy(W, m, 16 * 4); + for (unsigned i = 16; i < 80; ++i) + W[i] = rotate_left(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1); + + uint32_t a = ihv[0], b = ihv[1], c = ihv[2], d = ihv[3], e = ihv[4]; + + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 0); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 1); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 2); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 3); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 4); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 5); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 6); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 7); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 8); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 9); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 10); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 11); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 12); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 13); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 14); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 15); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 16); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 17); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 18); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 19); + + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 20); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 21); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 22); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 23); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 24); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 25); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 26); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 27); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 28); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 29); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 30); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 31); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 32); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 33); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 34); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 35); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 36); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 37); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 38); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 39); + + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 40); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 41); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 42); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 43); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 44); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 45); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 46); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 47); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 48); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 49); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 50); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 51); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 52); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 53); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 54); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 55); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 56); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 57); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 58); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 59); + + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 60); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 61); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 62); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 63); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 64); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 65); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 66); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 67); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 68); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 69); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 70); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 71); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 72); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 73); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 74); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 75); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 76); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 77); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 78); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 79); + + ihv[0] += a; ihv[1] += b; ihv[2] += c; ihv[3] += d; ihv[4] += e; +} + + + +void sha1_compression_W(uint32_t ihv[5], const uint32_t W[80]) +{ + uint32_t a = ihv[0], b = ihv[1], c = ihv[2], d = ihv[3], e = ihv[4]; + + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 0); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 1); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 2); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 3); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 4); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 5); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 6); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 7); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 8); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 9); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 10); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 11); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 12); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 13); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 14); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 15); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 16); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 17); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 18); + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 19); + + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 20); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 21); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 22); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 23); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 24); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 25); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 26); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 27); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 28); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 29); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 30); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 31); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 32); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 33); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 34); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 35); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 36); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 37); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 38); + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 39); + + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 40); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 41); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 42); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 43); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 44); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 45); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 46); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 47); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 48); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 49); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 50); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 51); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 52); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 53); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 54); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 55); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 56); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 57); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 58); + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 59); + + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 60); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 61); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 62); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 63); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 64); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 65); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 66); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 67); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 68); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 69); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 70); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 71); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 72); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 73); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 74); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 75); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 76); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 77); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 78); + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 79); + + ihv[0] += a; ihv[1] += b; ihv[2] += c; ihv[3] += d; ihv[4] += e; +} + + + +void sha1_compression_states(uint32_t ihv[5], const uint32_t W[80], uint32_t states[80][5]) +{ + uint32_t a = ihv[0], b = ihv[1], c = ihv[2], d = ihv[3], e = ihv[4]; + +#ifdef DOSTORESTATE00 + SHA1_STORE_STATE(0) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 0); + +#ifdef DOSTORESTATE01 + SHA1_STORE_STATE(1) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 1); + +#ifdef DOSTORESTATE02 + SHA1_STORE_STATE(2) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 2); + +#ifdef DOSTORESTATE03 + SHA1_STORE_STATE(3) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 3); + +#ifdef DOSTORESTATE04 + SHA1_STORE_STATE(4) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 4); + +#ifdef DOSTORESTATE05 + SHA1_STORE_STATE(5) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 5); + +#ifdef DOSTORESTATE06 + SHA1_STORE_STATE(6) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 6); + +#ifdef DOSTORESTATE07 + SHA1_STORE_STATE(7) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 7); + +#ifdef DOSTORESTATE08 + SHA1_STORE_STATE(8) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 8); + +#ifdef DOSTORESTATE09 + SHA1_STORE_STATE(9) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 9); + +#ifdef DOSTORESTATE10 + SHA1_STORE_STATE(10) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 10); + +#ifdef DOSTORESTATE11 + SHA1_STORE_STATE(11) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 11); + +#ifdef DOSTORESTATE12 + SHA1_STORE_STATE(12) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 12); + +#ifdef DOSTORESTATE13 + SHA1_STORE_STATE(13) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 13); + +#ifdef DOSTORESTATE14 + SHA1_STORE_STATE(14) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 14); + +#ifdef DOSTORESTATE15 + SHA1_STORE_STATE(15) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, W, 15); + +#ifdef DOSTORESTATE16 + SHA1_STORE_STATE(16) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, W, 16); + +#ifdef DOSTORESTATE17 + SHA1_STORE_STATE(17) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, W, 17); + +#ifdef DOSTORESTATE18 + SHA1_STORE_STATE(18) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, W, 18); + +#ifdef DOSTORESTATE19 + SHA1_STORE_STATE(19) +#endif + HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, W, 19); + + + +#ifdef DOSTORESTATE20 + SHA1_STORE_STATE(20) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 20); + +#ifdef DOSTORESTATE21 + SHA1_STORE_STATE(21) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 21); + +#ifdef DOSTORESTATE22 + SHA1_STORE_STATE(22) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 22); + +#ifdef DOSTORESTATE23 + SHA1_STORE_STATE(23) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 23); + +#ifdef DOSTORESTATE24 + SHA1_STORE_STATE(24) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 24); + +#ifdef DOSTORESTATE25 + SHA1_STORE_STATE(25) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 25); + +#ifdef DOSTORESTATE26 + SHA1_STORE_STATE(26) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 26); + +#ifdef DOSTORESTATE27 + SHA1_STORE_STATE(27) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 27); + +#ifdef DOSTORESTATE28 + SHA1_STORE_STATE(28) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 28); + +#ifdef DOSTORESTATE29 + SHA1_STORE_STATE(29) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 29); + +#ifdef DOSTORESTATE30 + SHA1_STORE_STATE(30) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 30); + +#ifdef DOSTORESTATE31 + SHA1_STORE_STATE(31) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 31); + +#ifdef DOSTORESTATE32 + SHA1_STORE_STATE(32) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 32); + +#ifdef DOSTORESTATE33 + SHA1_STORE_STATE(33) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 33); + +#ifdef DOSTORESTATE34 + SHA1_STORE_STATE(34) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 34); + +#ifdef DOSTORESTATE35 + SHA1_STORE_STATE(35) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, W, 35); + +#ifdef DOSTORESTATE36 + SHA1_STORE_STATE(36) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, W, 36); + +#ifdef DOSTORESTATE37 + SHA1_STORE_STATE(37) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, W, 37); + +#ifdef DOSTORESTATE38 + SHA1_STORE_STATE(38) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, W, 38); + +#ifdef DOSTORESTATE39 + SHA1_STORE_STATE(39) +#endif + HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, W, 39); + + + +#ifdef DOSTORESTATE40 + SHA1_STORE_STATE(40) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 40); + +#ifdef DOSTORESTATE41 + SHA1_STORE_STATE(41) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 41); + +#ifdef DOSTORESTATE42 + SHA1_STORE_STATE(42) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 42); + +#ifdef DOSTORESTATE43 + SHA1_STORE_STATE(43) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 43); + +#ifdef DOSTORESTATE44 + SHA1_STORE_STATE(44) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 44); + +#ifdef DOSTORESTATE45 + SHA1_STORE_STATE(45) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 45); + +#ifdef DOSTORESTATE46 + SHA1_STORE_STATE(46) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 46); + +#ifdef DOSTORESTATE47 + SHA1_STORE_STATE(47) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 47); + +#ifdef DOSTORESTATE48 + SHA1_STORE_STATE(48) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 48); + +#ifdef DOSTORESTATE49 + SHA1_STORE_STATE(49) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 49); + +#ifdef DOSTORESTATE50 + SHA1_STORE_STATE(50) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 50); + +#ifdef DOSTORESTATE51 + SHA1_STORE_STATE(51) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 51); + +#ifdef DOSTORESTATE52 + SHA1_STORE_STATE(52) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 52); + +#ifdef DOSTORESTATE53 + SHA1_STORE_STATE(53) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 53); + +#ifdef DOSTORESTATE54 + SHA1_STORE_STATE(54) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 54); + +#ifdef DOSTORESTATE55 + SHA1_STORE_STATE(55) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, W, 55); + +#ifdef DOSTORESTATE56 + SHA1_STORE_STATE(56) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, W, 56); + +#ifdef DOSTORESTATE57 + SHA1_STORE_STATE(57) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, W, 57); + +#ifdef DOSTORESTATE58 + SHA1_STORE_STATE(58) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, W, 58); + +#ifdef DOSTORESTATE59 + SHA1_STORE_STATE(59) +#endif + HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, W, 59); + + + + +#ifdef DOSTORESTATE60 + SHA1_STORE_STATE(60) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 60); + +#ifdef DOSTORESTATE61 + SHA1_STORE_STATE(61) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 61); + +#ifdef DOSTORESTATE62 + SHA1_STORE_STATE(62) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 62); + +#ifdef DOSTORESTATE63 + SHA1_STORE_STATE(63) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 63); + +#ifdef DOSTORESTATE64 + SHA1_STORE_STATE(64) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 64); + +#ifdef DOSTORESTATE65 + SHA1_STORE_STATE(65) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 65); + +#ifdef DOSTORESTATE66 + SHA1_STORE_STATE(66) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 66); + +#ifdef DOSTORESTATE67 + SHA1_STORE_STATE(67) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 67); + +#ifdef DOSTORESTATE68 + SHA1_STORE_STATE(68) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 68); + +#ifdef DOSTORESTATE69 + SHA1_STORE_STATE(69) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 69); + +#ifdef DOSTORESTATE70 + SHA1_STORE_STATE(70) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 70); + +#ifdef DOSTORESTATE71 + SHA1_STORE_STATE(71) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 71); + +#ifdef DOSTORESTATE72 + SHA1_STORE_STATE(72) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 72); + +#ifdef DOSTORESTATE73 + SHA1_STORE_STATE(73) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 73); + +#ifdef DOSTORESTATE74 + SHA1_STORE_STATE(74) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 74); + +#ifdef DOSTORESTATE75 + SHA1_STORE_STATE(75) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, W, 75); + +#ifdef DOSTORESTATE76 + SHA1_STORE_STATE(76) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, W, 76); + +#ifdef DOSTORESTATE77 + SHA1_STORE_STATE(77) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, W, 77); + +#ifdef DOSTORESTATE78 + SHA1_STORE_STATE(78) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, W, 78); + +#ifdef DOSTORESTATE79 + SHA1_STORE_STATE(79) +#endif + HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, W, 79); + + + + ihv[0] += a; ihv[1] += b; ihv[2] += c; ihv[3] += d; ihv[4] += e; +} + + + + +#define SHA1_RECOMPRESS(t) \ +void sha1recompress_fast_ ## t (uint32_t ihvin[5], uint32_t ihvout[5], const uint32_t me2[80], const uint32_t state[5]) \ +{ \ + uint32_t a = state[0], b = state[1], c = state[2], d = state[3], e = state[4]; \ + if (t > 79) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(b, c, d, e, a, me2, 79); \ + if (t > 78) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(c, d, e, a, b, me2, 78); \ + if (t > 77) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(d, e, a, b, c, me2, 77); \ + if (t > 76) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(e, a, b, c, d, me2, 76); \ + if (t > 75) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(a, b, c, d, e, me2, 75); \ + if (t > 74) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(b, c, d, e, a, me2, 74); \ + if (t > 73) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(c, d, e, a, b, me2, 73); \ + if (t > 72) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(d, e, a, b, c, me2, 72); \ + if (t > 71) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(e, a, b, c, d, me2, 71); \ + if (t > 70) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(a, b, c, d, e, me2, 70); \ + if (t > 69) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(b, c, d, e, a, me2, 69); \ + if (t > 68) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(c, d, e, a, b, me2, 68); \ + if (t > 67) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(d, e, a, b, c, me2, 67); \ + if (t > 66) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(e, a, b, c, d, me2, 66); \ + if (t > 65) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(a, b, c, d, e, me2, 65); \ + if (t > 64) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(b, c, d, e, a, me2, 64); \ + if (t > 63) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(c, d, e, a, b, me2, 63); \ + if (t > 62) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(d, e, a, b, c, me2, 62); \ + if (t > 61) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(e, a, b, c, d, me2, 61); \ + if (t > 60) HASHCLASH_SHA1COMPRESS_ROUND4_STEP_BW(a, b, c, d, e, me2, 60); \ + if (t > 59) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(b, c, d, e, a, me2, 59); \ + if (t > 58) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(c, d, e, a, b, me2, 58); \ + if (t > 57) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(d, e, a, b, c, me2, 57); \ + if (t > 56) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(e, a, b, c, d, me2, 56); \ + if (t > 55) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(a, b, c, d, e, me2, 55); \ + if (t > 54) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(b, c, d, e, a, me2, 54); \ + if (t > 53) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(c, d, e, a, b, me2, 53); \ + if (t > 52) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(d, e, a, b, c, me2, 52); \ + if (t > 51) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(e, a, b, c, d, me2, 51); \ + if (t > 50) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(a, b, c, d, e, me2, 50); \ + if (t > 49) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(b, c, d, e, a, me2, 49); \ + if (t > 48) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(c, d, e, a, b, me2, 48); \ + if (t > 47) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(d, e, a, b, c, me2, 47); \ + if (t > 46) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(e, a, b, c, d, me2, 46); \ + if (t > 45) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(a, b, c, d, e, me2, 45); \ + if (t > 44) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(b, c, d, e, a, me2, 44); \ + if (t > 43) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(c, d, e, a, b, me2, 43); \ + if (t > 42) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(d, e, a, b, c, me2, 42); \ + if (t > 41) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(e, a, b, c, d, me2, 41); \ + if (t > 40) HASHCLASH_SHA1COMPRESS_ROUND3_STEP_BW(a, b, c, d, e, me2, 40); \ + if (t > 39) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(b, c, d, e, a, me2, 39); \ + if (t > 38) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(c, d, e, a, b, me2, 38); \ + if (t > 37) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(d, e, a, b, c, me2, 37); \ + if (t > 36) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(e, a, b, c, d, me2, 36); \ + if (t > 35) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(a, b, c, d, e, me2, 35); \ + if (t > 34) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(b, c, d, e, a, me2, 34); \ + if (t > 33) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(c, d, e, a, b, me2, 33); \ + if (t > 32) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(d, e, a, b, c, me2, 32); \ + if (t > 31) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(e, a, b, c, d, me2, 31); \ + if (t > 30) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(a, b, c, d, e, me2, 30); \ + if (t > 29) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(b, c, d, e, a, me2, 29); \ + if (t > 28) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(c, d, e, a, b, me2, 28); \ + if (t > 27) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(d, e, a, b, c, me2, 27); \ + if (t > 26) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(e, a, b, c, d, me2, 26); \ + if (t > 25) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(a, b, c, d, e, me2, 25); \ + if (t > 24) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(b, c, d, e, a, me2, 24); \ + if (t > 23) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(c, d, e, a, b, me2, 23); \ + if (t > 22) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(d, e, a, b, c, me2, 22); \ + if (t > 21) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(e, a, b, c, d, me2, 21); \ + if (t > 20) HASHCLASH_SHA1COMPRESS_ROUND2_STEP_BW(a, b, c, d, e, me2, 20); \ + if (t > 19) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(b, c, d, e, a, me2, 19); \ + if (t > 18) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(c, d, e, a, b, me2, 18); \ + if (t > 17) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(d, e, a, b, c, me2, 17); \ + if (t > 16) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(e, a, b, c, d, me2, 16); \ + if (t > 15) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(a, b, c, d, e, me2, 15); \ + if (t > 14) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(b, c, d, e, a, me2, 14); \ + if (t > 13) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(c, d, e, a, b, me2, 13); \ + if (t > 12) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(d, e, a, b, c, me2, 12); \ + if (t > 11) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(e, a, b, c, d, me2, 11); \ + if (t > 10) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(a, b, c, d, e, me2, 10); \ + if (t > 9) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(b, c, d, e, a, me2, 9); \ + if (t > 8) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(c, d, e, a, b, me2, 8); \ + if (t > 7) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(d, e, a, b, c, me2, 7); \ + if (t > 6) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(e, a, b, c, d, me2, 6); \ + if (t > 5) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(a, b, c, d, e, me2, 5); \ + if (t > 4) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(b, c, d, e, a, me2, 4); \ + if (t > 3) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(c, d, e, a, b, me2, 3); \ + if (t > 2) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(d, e, a, b, c, me2, 2); \ + if (t > 1) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(e, a, b, c, d, me2, 1); \ + if (t > 0) HASHCLASH_SHA1COMPRESS_ROUND1_STEP_BW(a, b, c, d, e, me2, 0); \ + ihvin[0] = a; ihvin[1] = b; ihvin[2] = c; ihvin[3] = d; ihvin[4] = e; \ + a = state[0]; b = state[1]; c = state[2]; d = state[3]; e = state[4]; \ + if (t <= 0) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, me2, 0); \ + if (t <= 1) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, me2, 1); \ + if (t <= 2) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, me2, 2); \ + if (t <= 3) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, me2, 3); \ + if (t <= 4) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, me2, 4); \ + if (t <= 5) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, me2, 5); \ + if (t <= 6) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, me2, 6); \ + if (t <= 7) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, me2, 7); \ + if (t <= 8) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, me2, 8); \ + if (t <= 9) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, me2, 9); \ + if (t <= 10) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, me2, 10); \ + if (t <= 11) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, me2, 11); \ + if (t <= 12) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, me2, 12); \ + if (t <= 13) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, me2, 13); \ + if (t <= 14) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, me2, 14); \ + if (t <= 15) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(a, b, c, d, e, me2, 15); \ + if (t <= 16) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(e, a, b, c, d, me2, 16); \ + if (t <= 17) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(d, e, a, b, c, me2, 17); \ + if (t <= 18) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(c, d, e, a, b, me2, 18); \ + if (t <= 19) HASHCLASH_SHA1COMPRESS_ROUND1_STEP(b, c, d, e, a, me2, 19); \ + if (t <= 20) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, me2, 20); \ + if (t <= 21) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, me2, 21); \ + if (t <= 22) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, me2, 22); \ + if (t <= 23) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, me2, 23); \ + if (t <= 24) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, me2, 24); \ + if (t <= 25) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, me2, 25); \ + if (t <= 26) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, me2, 26); \ + if (t <= 27) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, me2, 27); \ + if (t <= 28) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, me2, 28); \ + if (t <= 29) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, me2, 29); \ + if (t <= 30) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, me2, 30); \ + if (t <= 31) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, me2, 31); \ + if (t <= 32) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, me2, 32); \ + if (t <= 33) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, me2, 33); \ + if (t <= 34) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, me2, 34); \ + if (t <= 35) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(a, b, c, d, e, me2, 35); \ + if (t <= 36) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(e, a, b, c, d, me2, 36); \ + if (t <= 37) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(d, e, a, b, c, me2, 37); \ + if (t <= 38) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(c, d, e, a, b, me2, 38); \ + if (t <= 39) HASHCLASH_SHA1COMPRESS_ROUND2_STEP(b, c, d, e, a, me2, 39); \ + if (t <= 40) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, me2, 40); \ + if (t <= 41) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, me2, 41); \ + if (t <= 42) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, me2, 42); \ + if (t <= 43) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, me2, 43); \ + if (t <= 44) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, me2, 44); \ + if (t <= 45) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, me2, 45); \ + if (t <= 46) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, me2, 46); \ + if (t <= 47) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, me2, 47); \ + if (t <= 48) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, me2, 48); \ + if (t <= 49) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, me2, 49); \ + if (t <= 50) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, me2, 50); \ + if (t <= 51) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, me2, 51); \ + if (t <= 52) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, me2, 52); \ + if (t <= 53) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, me2, 53); \ + if (t <= 54) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, me2, 54); \ + if (t <= 55) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(a, b, c, d, e, me2, 55); \ + if (t <= 56) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(e, a, b, c, d, me2, 56); \ + if (t <= 57) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(d, e, a, b, c, me2, 57); \ + if (t <= 58) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(c, d, e, a, b, me2, 58); \ + if (t <= 59) HASHCLASH_SHA1COMPRESS_ROUND3_STEP(b, c, d, e, a, me2, 59); \ + if (t <= 60) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, me2, 60); \ + if (t <= 61) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, me2, 61); \ + if (t <= 62) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, me2, 62); \ + if (t <= 63) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, me2, 63); \ + if (t <= 64) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, me2, 64); \ + if (t <= 65) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, me2, 65); \ + if (t <= 66) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, me2, 66); \ + if (t <= 67) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, me2, 67); \ + if (t <= 68) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, me2, 68); \ + if (t <= 69) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, me2, 69); \ + if (t <= 70) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, me2, 70); \ + if (t <= 71) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, me2, 71); \ + if (t <= 72) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, me2, 72); \ + if (t <= 73) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, me2, 73); \ + if (t <= 74) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, me2, 74); \ + if (t <= 75) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(a, b, c, d, e, me2, 75); \ + if (t <= 76) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(e, a, b, c, d, me2, 76); \ + if (t <= 77) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(d, e, a, b, c, me2, 77); \ + if (t <= 78) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(c, d, e, a, b, me2, 78); \ + if (t <= 79) HASHCLASH_SHA1COMPRESS_ROUND4_STEP(b, c, d, e, a, me2, 79); \ + ihvout[0] = ihvin[0] + a; ihvout[1] = ihvin[1] + b; ihvout[2] = ihvin[2] + c; ihvout[3] = ihvin[3] + d; ihvout[4] = ihvin[4] + e; \ +} + +SHA1_RECOMPRESS(0) +SHA1_RECOMPRESS(1) +SHA1_RECOMPRESS(2) +SHA1_RECOMPRESS(3) +SHA1_RECOMPRESS(4) +SHA1_RECOMPRESS(5) +SHA1_RECOMPRESS(6) +SHA1_RECOMPRESS(7) +SHA1_RECOMPRESS(8) +SHA1_RECOMPRESS(9) + +SHA1_RECOMPRESS(10) +SHA1_RECOMPRESS(11) +SHA1_RECOMPRESS(12) +SHA1_RECOMPRESS(13) +SHA1_RECOMPRESS(14) +SHA1_RECOMPRESS(15) +SHA1_RECOMPRESS(16) +SHA1_RECOMPRESS(17) +SHA1_RECOMPRESS(18) +SHA1_RECOMPRESS(19) + +SHA1_RECOMPRESS(20) +SHA1_RECOMPRESS(21) +SHA1_RECOMPRESS(22) +SHA1_RECOMPRESS(23) +SHA1_RECOMPRESS(24) +SHA1_RECOMPRESS(25) +SHA1_RECOMPRESS(26) +SHA1_RECOMPRESS(27) +SHA1_RECOMPRESS(28) +SHA1_RECOMPRESS(29) + +SHA1_RECOMPRESS(30) +SHA1_RECOMPRESS(31) +SHA1_RECOMPRESS(32) +SHA1_RECOMPRESS(33) +SHA1_RECOMPRESS(34) +SHA1_RECOMPRESS(35) +SHA1_RECOMPRESS(36) +SHA1_RECOMPRESS(37) +SHA1_RECOMPRESS(38) +SHA1_RECOMPRESS(39) + +SHA1_RECOMPRESS(40) +SHA1_RECOMPRESS(41) +SHA1_RECOMPRESS(42) +SHA1_RECOMPRESS(43) +SHA1_RECOMPRESS(44) +SHA1_RECOMPRESS(45) +SHA1_RECOMPRESS(46) +SHA1_RECOMPRESS(47) +SHA1_RECOMPRESS(48) +SHA1_RECOMPRESS(49) + +SHA1_RECOMPRESS(50) +SHA1_RECOMPRESS(51) +SHA1_RECOMPRESS(52) +SHA1_RECOMPRESS(53) +SHA1_RECOMPRESS(54) +SHA1_RECOMPRESS(55) +SHA1_RECOMPRESS(56) +SHA1_RECOMPRESS(57) +SHA1_RECOMPRESS(58) +SHA1_RECOMPRESS(59) + +SHA1_RECOMPRESS(60) +SHA1_RECOMPRESS(61) +SHA1_RECOMPRESS(62) +SHA1_RECOMPRESS(63) +SHA1_RECOMPRESS(64) +SHA1_RECOMPRESS(65) +SHA1_RECOMPRESS(66) +SHA1_RECOMPRESS(67) +SHA1_RECOMPRESS(68) +SHA1_RECOMPRESS(69) + +SHA1_RECOMPRESS(70) +SHA1_RECOMPRESS(71) +SHA1_RECOMPRESS(72) +SHA1_RECOMPRESS(73) +SHA1_RECOMPRESS(74) +SHA1_RECOMPRESS(75) +SHA1_RECOMPRESS(76) +SHA1_RECOMPRESS(77) +SHA1_RECOMPRESS(78) +SHA1_RECOMPRESS(79) + +sha1_recompression_type sha1_recompression_step[80] = +{ + sha1recompress_fast_0, sha1recompress_fast_1, sha1recompress_fast_2, sha1recompress_fast_3, sha1recompress_fast_4, sha1recompress_fast_5, sha1recompress_fast_6, sha1recompress_fast_7, sha1recompress_fast_8, sha1recompress_fast_9, + sha1recompress_fast_10, sha1recompress_fast_11, sha1recompress_fast_12, sha1recompress_fast_13, sha1recompress_fast_14, sha1recompress_fast_15, sha1recompress_fast_16, sha1recompress_fast_17, sha1recompress_fast_18, sha1recompress_fast_19, + sha1recompress_fast_20, sha1recompress_fast_21, sha1recompress_fast_22, sha1recompress_fast_23, sha1recompress_fast_24, sha1recompress_fast_25, sha1recompress_fast_26, sha1recompress_fast_27, sha1recompress_fast_28, sha1recompress_fast_29, + sha1recompress_fast_30, sha1recompress_fast_31, sha1recompress_fast_32, sha1recompress_fast_33, sha1recompress_fast_34, sha1recompress_fast_35, sha1recompress_fast_36, sha1recompress_fast_37, sha1recompress_fast_38, sha1recompress_fast_39, + sha1recompress_fast_40, sha1recompress_fast_41, sha1recompress_fast_42, sha1recompress_fast_43, sha1recompress_fast_44, sha1recompress_fast_45, sha1recompress_fast_46, sha1recompress_fast_47, sha1recompress_fast_48, sha1recompress_fast_49, + sha1recompress_fast_50, sha1recompress_fast_51, sha1recompress_fast_52, sha1recompress_fast_53, sha1recompress_fast_54, sha1recompress_fast_55, sha1recompress_fast_56, sha1recompress_fast_57, sha1recompress_fast_58, sha1recompress_fast_59, + sha1recompress_fast_60, sha1recompress_fast_61, sha1recompress_fast_62, sha1recompress_fast_63, sha1recompress_fast_64, sha1recompress_fast_65, sha1recompress_fast_66, sha1recompress_fast_67, sha1recompress_fast_68, sha1recompress_fast_69, + sha1recompress_fast_70, sha1recompress_fast_71, sha1recompress_fast_72, sha1recompress_fast_73, sha1recompress_fast_74, sha1recompress_fast_75, sha1recompress_fast_76, sha1recompress_fast_77, sha1recompress_fast_78, sha1recompress_fast_79, +}; + + + + + +void sha1_process(SHA1_CTX* ctx, const uint32_t block[16]) +{ + unsigned i, j; + uint32_t ubc_dv_mask[DVMASKSIZE]; + uint32_t ihvtmp[5]; + for (i=0; i < DVMASKSIZE; ++i) + ubc_dv_mask[i]=0; + ctx->ihv1[0] = ctx->ihv[0]; + ctx->ihv1[1] = ctx->ihv[1]; + ctx->ihv1[2] = ctx->ihv[2]; + ctx->ihv1[3] = ctx->ihv[3]; + ctx->ihv1[4] = ctx->ihv[4]; + memcpy(ctx->m1, block, 64); + sha1_message_expansion(ctx->m1); + if (ctx->detect_coll && ctx->ubc_check) + { + ubc_check(ctx->m1, ubc_dv_mask); + } + sha1_compression_states(ctx->ihv, ctx->m1, ctx->states); + if (ctx->detect_coll) + { + for (i = 0; sha1_dvs[i].dvType != 0; ++i) + { + if ((0 == ctx->ubc_check) || (((uint32_t)(1) << sha1_dvs[i].maskb) & ubc_dv_mask[sha1_dvs[i].maski])) + { + for (j = 0; j < 80; ++j) + ctx->m2[j] = ctx->m1[j] ^ sha1_dvs[i].dm[j]; + (sha1_recompression_step[sha1_dvs[i].testt])(ctx->ihv2, ihvtmp, ctx->m2, ctx->states[sha1_dvs[i].testt]); + // to verify SHA-1 collision detection code with collisions for reduced-step SHA-1 + if ((ihvtmp[0] == ctx->ihv[0] && ihvtmp[1] == ctx->ihv[1] && ihvtmp[2] == ctx->ihv[2] && ihvtmp[3] == ctx->ihv[3] && ihvtmp[4] == ctx->ihv[4]) + || (ctx->reduced_round_coll && ctx->ihv1[0] == ctx->ihv2[0] && ctx->ihv1[1] == ctx->ihv2[1] && ctx->ihv1[2] == ctx->ihv2[2] && ctx->ihv1[3] == ctx->ihv2[3] && ctx->ihv1[4] == ctx->ihv2[4])) + { + ctx->found_collision = 1; + // TODO: call callback + if (ctx->callback != NULL) + ctx->callback(ctx->total - 64, ctx->ihv1, ctx->ihv2, ctx->m1, ctx->m2); + + if (ctx->safe_hash) + { + sha1_compression_W(ctx->ihv, ctx->m1); + sha1_compression_W(ctx->ihv, ctx->m1); + } + + break; + } + } + } + } +} + + + + + +void swap_bytes(uint32_t val[16]) +{ + unsigned i; + for (i = 0; i < 16; ++i) + { + val[i] = ((val[i] << 8) & 0xFF00FF00) | ((val[i] >> 8) & 0xFF00FF); + val[i] = (val[i] << 16) | (val[i] >> 16); + } +} + +void SHA1DCInit(SHA1_CTX* ctx) +{ + static const union { unsigned char bytes[4]; uint32_t value; } endianness = { { 0, 1, 2, 3 } }; + static const uint32_t littleendian = 0x03020100; + ctx->total = 0; + ctx->ihv[0] = 0x67452301; + ctx->ihv[1] = 0xEFCDAB89; + ctx->ihv[2] = 0x98BADCFE; + ctx->ihv[3] = 0x10325476; + ctx->ihv[4] = 0xC3D2E1F0; + ctx->found_collision = 0; + ctx->safe_hash = 1; + ctx->ubc_check = 1; + ctx->detect_coll = 1; + ctx->reduced_round_coll = 0; + ctx->bigendian = (endianness.value != littleendian); + ctx->callback = NULL; +} + +void SHA1DCSetSafeHash(SHA1_CTX* ctx, int safehash) +{ + if (safehash) + ctx->safe_hash = 1; + else + ctx->safe_hash = 0; +} + + +void SHA1DCSetUseUBC(SHA1_CTX* ctx, int ubc_check) +{ + if (ubc_check) + ctx->ubc_check = 1; + else + ctx->ubc_check = 0; +} + +void SHA1DCSetUseDetectColl(SHA1_CTX* ctx, int detect_coll) +{ + if (detect_coll) + ctx->detect_coll = 1; + else + ctx->detect_coll = 0; +} + +void SHA1DCSetDetectReducedRoundCollision(SHA1_CTX* ctx, int reduced_round_coll) +{ + if (reduced_round_coll) + ctx->reduced_round_coll = 1; + else + ctx->reduced_round_coll = 0; +} + +void SHA1DCSetCallback(SHA1_CTX* ctx, collision_block_callback callback) +{ + ctx->callback = callback; +} + +void SHA1DCUpdate(SHA1_CTX* ctx, const char* buf, unsigned len) +{ + unsigned left, fill; + if (len == 0) + return; + + left = ctx->total & 63; + fill = 64 - left; + + if (left && len >= fill) + { + ctx->total += fill; + memcpy(ctx->buffer + left, buf, fill); + if (!ctx->bigendian) + swap_bytes((uint32_t*)(ctx->buffer)); + sha1_process(ctx, (uint32_t*)(ctx->buffer)); + buf += fill; + len -= fill; + left = 0; + } + while (len >= 64) + { + ctx->total += 64; + if (!ctx->bigendian) + { + memcpy(ctx->buffer, buf, 64); + swap_bytes((uint32_t*)(ctx->buffer)); + sha1_process(ctx, (uint32_t*)(ctx->buffer)); + } + else + sha1_process(ctx, (uint32_t*)(buf)); + buf += 64; + len -= 64; + } + if (len > 0) + { + ctx->total += len; + memcpy(ctx->buffer + left, buf, len); + } +} + +static const unsigned char sha1_padding[64] = +{ + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +int SHA1DCFinal(unsigned char output[20], SHA1_CTX *ctx) +{ + uint32_t last = ctx->total & 63; + uint32_t padn = (last < 56) ? (56 - last) : (120 - last); + uint64_t total; + SHA1DCUpdate(ctx, (const char*)(sha1_padding), padn); + + total = ctx->total - padn; + total <<= 3; + ctx->buffer[56] = (unsigned char)(total >> 56); + ctx->buffer[57] = (unsigned char)(total >> 48); + ctx->buffer[58] = (unsigned char)(total >> 40); + ctx->buffer[59] = (unsigned char)(total >> 32); + ctx->buffer[60] = (unsigned char)(total >> 24); + ctx->buffer[61] = (unsigned char)(total >> 16); + ctx->buffer[62] = (unsigned char)(total >> 8); + ctx->buffer[63] = (unsigned char)(total); + if (!ctx->bigendian) + swap_bytes((uint32_t*)(ctx->buffer)); + sha1_process(ctx, (uint32_t*)(ctx->buffer)); + output[0] = (unsigned char)(ctx->ihv[0] >> 24); + output[1] = (unsigned char)(ctx->ihv[0] >> 16); + output[2] = (unsigned char)(ctx->ihv[0] >> 8); + output[3] = (unsigned char)(ctx->ihv[0]); + output[4] = (unsigned char)(ctx->ihv[1] >> 24); + output[5] = (unsigned char)(ctx->ihv[1] >> 16); + output[6] = (unsigned char)(ctx->ihv[1] >> 8); + output[7] = (unsigned char)(ctx->ihv[1]); + output[8] = (unsigned char)(ctx->ihv[2] >> 24); + output[9] = (unsigned char)(ctx->ihv[2] >> 16); + output[10] = (unsigned char)(ctx->ihv[2] >> 8); + output[11] = (unsigned char)(ctx->ihv[2]); + output[12] = (unsigned char)(ctx->ihv[3] >> 24); + output[13] = (unsigned char)(ctx->ihv[3] >> 16); + output[14] = (unsigned char)(ctx->ihv[3] >> 8); + output[15] = (unsigned char)(ctx->ihv[3]); + output[16] = (unsigned char)(ctx->ihv[4] >> 24); + output[17] = (unsigned char)(ctx->ihv[4] >> 16); + output[18] = (unsigned char)(ctx->ihv[4] >> 8); + output[19] = (unsigned char)(ctx->ihv[4]); + return ctx->found_collision; +} diff --git a/sha1dc/sha1.h b/sha1dc/sha1.h new file mode 100644 index 000000000..8b522f9d2 --- /dev/null +++ b/sha1dc/sha1.h @@ -0,0 +1,94 @@ +/*** +* Copyright 2017 Marc Stevens <m...@marc-stevens.nl>, Dan Shumow <dan...@microsoft.com> +* Distributed under the MIT Software License. +* See accompanying file LICENSE.txt or copy at +* https://opensource.org/licenses/MIT +***/ + +#include <stdint.h> + +// uses SHA-1 message expansion to expand the first 16 words of W[] to 80 words +void sha1_message_expansion(uint32_t W[80]); + +// sha-1 compression function; first version takes a message block pre-parsed as 16 32-bit integers, second version takes an already expanded message) +void sha1_compression(uint32_t ihv[5], const uint32_t m[16]); +void sha1_compression_W(uint32_t ihv[5], const uint32_t W[80]); + +// same as sha1_compression_W, but additionally store intermediate states +// only stores states ii (the state between step ii-1 and step ii) when DOSTORESTATEii is defined in ubc_check.h +void sha1_compression_states(uint32_t ihv[5], const uint32_t W[80], uint32_t states[80][5]); + +// function type for sha1_recompression_step_T (uint32_t ihvin[5], uint32_t ihvout[5], const uint32_t me2[80], const uint32_t state[5]) +// where 0 <= T < 80 +// me2 is an expanded message (the expansion of an original message block XOR'ed with a disturbance vector's message block difference) +// state is the internal state (a,b,c,d,e) before step T of the SHA-1 compression function while processing the original message block +// the function will return: +// ihvin: the reconstructed input chaining value +// ihvout: the reconstructed output chaining value +typedef void(*sha1_recompression_type)(uint32_t*, uint32_t*, const uint32_t*, const uint32_t*); + +// table of sha1_recompression_step_0, ... , sha1_recompression_step_79 +extern sha1_recompression_type sha1_recompression_step[80]; + +// a callback function type that can be set to be called when a collision block has been found: +// void collision_block_callback(uint64_t byteoffset, const uint32_t ihvin1[5], const uint32_t ihvin2[5], const uint32_t m1[80], const uint32_t m2[80]) +typedef void(*collision_block_callback)(uint64_t, const uint32_t*, const uint32_t*, const uint32_t*, const uint32_t*); + +// the SHA-1 context +typedef struct { + uint64_t total; + uint32_t ihv[5]; + unsigned char buffer[64]; + int bigendian; + int found_collision; + int safe_hash; + int detect_coll; + int ubc_check; + int reduced_round_coll; + collision_block_callback callback; + + uint32_t ihv1[5]; + uint32_t ihv2[5]; + uint32_t m1[80]; + uint32_t m2[80]; + uint32_t states[80][5]; +} SHA1_CTX; + +// initialize SHA-1 context +void SHA1DCInit(SHA1_CTX*); + +// function to enable safe SHA-1 hashing: +// collision attacks are thwarted by hashing a detected near-collision block 3 times +// think of it as extending SHA-1 from 80-steps to 240-steps for such blocks: +// the best collision attacks against SHA-1 have complexity about 2^60, +// thus for 240-steps an immediate lower-bound for the best cryptanalytic attacks would 2^180 +// an attacker would be better off using a generic birthday search of complexity 2^80 +// +// enabling safe SHA-1 hashing will result in the correct SHA-1 hash for messages where no collision attack was detected +// but it will result in a different SHA-1 hash for messages where a collision attack was detected +// this will automatically invalidate SHA-1 based digital signature forgeries +// enabled by default +void SHA1DCSetSafeHash(SHA1_CTX*, int); + +// function to disable or enable the use of Unavoidable Bitconditions (provides a significant speed up) +// enabled by default +void SHA1DCSetUseUBC(SHA1_CTX*, int); + +// function to disable or enable the use of Collision Detection +// enabled by default +void SHA1DCSetUseDetectColl(SHA1_CTX* ctx, int detect_coll); + +// function to disable or enable the detection of reduced-round SHA-1 collisions +// disabled by default +void SHA1DCSetDetectReducedRoundCollision(SHA1_CTX*, int); + +// function to set a callback function, pass NULL to disable +// by default no callback set +void SHA1DCSetCallback(SHA1_CTX*, collision_block_callback); + +// update SHA-1 context with buffer contents +void SHA1DCUpdate(SHA1_CTX*, const char*, unsigned); + +// obtain SHA-1 hash from SHA-1 context +// returns: 0 = no collision detected, otherwise = collision found => warn user for active attack +int SHA1DCFinal(unsigned char[20], SHA1_CTX*); diff --git a/sha1dc/ubc_check.c b/sha1dc/ubc_check.c new file mode 100644 index 000000000..556aaf3c5 --- /dev/null +++ b/sha1dc/ubc_check.c @@ -0,0 +1,361 @@ +/*** +* Copyright 2017 Marc Stevens <m...@marc-stevens.nl>, Dan Shumow <dan...@microsoft.com> +* Distributed under the MIT Software License. +* See accompanying file LICENSE.txt or copy at +* https://opensource.org/licenses/MIT +***/ + +// this file was generated by the 'parse_bitrel' program in the tools section +// using the data files from directory 'tools/data/3565' +// +// sha1_dvs contains a list of SHA-1 Disturbance Vectors (DV) to check +// dvType, dvK and dvB define the DV: I(K,B) or II(K,B) (see the paper) +// dm[80] is the expanded message block XOR-difference defined by the DV +// testt is the step to do the recompression from for collision detection +// maski and maskb define the bit to check for each DV in the dvmask returned by ubc_check +// +// ubc_check takes as input an expanded message block and verifies the unavoidable bitconditions for all listed DVs +// it returns a dvmask where each bit belonging to a DV is set if all unavoidable bitconditions for that DV have been met +// thus one needs to do the recompression check for each DV that has its bit set +// +// ubc_check is programmatically generated and the unavoidable bitconditions have been hardcoded +// a directly verifiable version named ubc_check_verify can be found in ubc_check_verify.c +// ubc_check has been verified against ubc_check_verify using the 'ubc_check_test' program in the tools section + +#include <stdint.h> +#include "ubc_check.h" + +static const uint32_t DV_I_43_0_bit = (uint32_t)(1) << 0; +static const uint32_t DV_I_44_0_bit = (uint32_t)(1) << 1; +static const uint32_t DV_I_45_0_bit = (uint32_t)(1) << 2; +static const uint32_t DV_I_46_0_bit = (uint32_t)(1) << 3; +static const uint32_t DV_I_46_2_bit = (uint32_t)(1) << 4; +static const uint32_t DV_I_47_0_bit = (uint32_t)(1) << 5; +static const uint32_t DV_I_47_2_bit = (uint32_t)(1) << 6; +static const uint32_t DV_I_48_0_bit = (uint32_t)(1) << 7; +static const uint32_t DV_I_48_2_bit = (uint32_t)(1) << 8; +static const uint32_t DV_I_49_0_bit = (uint32_t)(1) << 9; +static const uint32_t DV_I_49_2_bit = (uint32_t)(1) << 10; +static const uint32_t DV_I_50_0_bit = (uint32_t)(1) << 11; +static const uint32_t DV_I_50_2_bit = (uint32_t)(1) << 12; +static const uint32_t DV_I_51_0_bit = (uint32_t)(1) << 13; +static const uint32_t DV_I_51_2_bit = (uint32_t)(1) << 14; +static const uint32_t DV_I_52_0_bit = (uint32_t)(1) << 15; +static const uint32_t DV_II_45_0_bit = (uint32_t)(1) << 16; +static const uint32_t DV_II_46_0_bit = (uint32_t)(1) << 17; +static const uint32_t DV_II_46_2_bit = (uint32_t)(1) << 18; +static const uint32_t DV_II_47_0_bit = (uint32_t)(1) << 19; +static const uint32_t DV_II_48_0_bit = (uint32_t)(1) << 20; +static const uint32_t DV_II_49_0_bit = (uint32_t)(1) << 21; +static const uint32_t DV_II_49_2_bit = (uint32_t)(1) << 22; +static const uint32_t DV_II_50_0_bit = (uint32_t)(1) << 23; +static const uint32_t DV_II_50_2_bit = (uint32_t)(1) << 24; +static const uint32_t DV_II_51_0_bit = (uint32_t)(1) << 25; +static const uint32_t DV_II_51_2_bit = (uint32_t)(1) << 26; +static const uint32_t DV_II_52_0_bit = (uint32_t)(1) << 27; +static const uint32_t DV_II_53_0_bit = (uint32_t)(1) << 28; +static const uint32_t DV_II_54_0_bit = (uint32_t)(1) << 29; +static const uint32_t DV_II_55_0_bit = (uint32_t)(1) << 30; +static const uint32_t DV_II_56_0_bit = (uint32_t)(1) << 31; + +dv_info_t sha1_dvs[] = +{ + {1,43,0,58,0,0, { 0x08000000,0x9800000c,0xd8000010,0x08000010,0xb8000010,0x98000000,0x60000000,0x00000008,0xc0000000,0x90000014,0x10000010,0xb8000014,0x28000000,0x20000010,0x48000000,0x08000018,0x60000000,0x90000010,0xf0000010,0x90000008,0xc0000000,0x90000010,0xf0000010,0xb0000008,0x40000000,0x90000000,0xf0000010,0x90000018,0x60000000,0x90000010,0x90000010,0x90000000,0x80000000,0x00000010,0xa0000000,0x20000000,0xa0000000,0x20000010,0x00000000,0x20000010,0x20000000,0x00000010,0x20000000,0x00000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000040,0x40000002,0x80000004,0x80000080,0x80000006,0x00000049,0x00000103,0x80000009,0x80000012,0x80000202,0x00000018,0x00000164,0x00000408,0x800000e6,0x8000004c,0x00000803,0x80000161,0x80000599 } } +, {1,44,0,58,0,1, { 0xb4000008,0x08000000,0x9800000c,0xd8000010,0x08000010,0xb8000010,0x98000000,0x60000000,0x00000008,0xc0000000,0x90000014,0x10000010,0xb8000014,0x28000000,0x20000010,0x48000000,0x08000018,0x60000000,0x90000010,0xf0000010,0x90000008,0xc0000000,0x90000010,0xf0000010,0xb0000008,0x40000000,0x90000000,0xf0000010,0x90000018,0x60000000,0x90000010,0x90000010,0x90000000,0x80000000,0x00000010,0xa0000000,0x20000000,0xa0000000,0x20000010,0x00000000,0x20000010,0x20000000,0x00000010,0x20000000,0x00000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000040,0x40000002,0x80000004,0x80000080,0x80000006,0x00000049,0x00000103,0x80000009,0x80000012,0x80000202,0x00000018,0x00000164,0x00000408,0x800000e6,0x8000004c,0x00000803,0x80000161 } } +, {1,45,0,58,0,2, { 0xf4000014,0xb4000008,0x08000000,0x9800000c,0xd8000010,0x08000010,0xb8000010,0x98000000,0x60000000,0x00000008,0xc0000000,0x90000014,0x10000010,0xb8000014,0x28000000,0x20000010,0x48000000,0x08000018,0x60000000,0x90000010,0xf0000010,0x90000008,0xc0000000,0x90000010,0xf0000010,0xb0000008,0x40000000,0x90000000,0xf0000010,0x90000018,0x60000000,0x90000010,0x90000010,0x90000000,0x80000000,0x00000010,0xa0000000,0x20000000,0xa0000000,0x20000010,0x00000000,0x20000010,0x20000000,0x00000010,0x20000000,0x00000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000040,0x40000002,0x80000004,0x80000080,0x80000006,0x00000049,0x00000103,0x80000009,0x80000012,0x80000202,0x00000018,0x00000164,0x00000408,0x800000e6,0x8000004c,0x00000803 } } +, {1,46,0,58,0,3, { 0x2c000010,0xf4000014,0xb4000008,0x08000000,0x9800000c,0xd8000010,0x08000010,0xb8000010,0x98000000,0x60000000,0x00000008,0xc0000000,0x90000014,0x10000010,0xb8000014,0x28000000,0x20000010,0x48000000,0x08000018,0x60000000,0x90000010,0xf0000010,0x90000008,0xc0000000,0x90000010,0xf0000010,0xb0000008,0x40000000,0x90000000,0xf0000010,0x90000018,0x60000000,0x90000010,0x90000010,0x90000000,0x80000000,0x00000010,0xa0000000,0x20000000,0xa0000000,0x20000010,0x00000000,0x20000010,0x20000000,0x00000010,0x20000000,0x00000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000040,0x40000002,0x80000004,0x80000080,0x80000006,0x00000049,0x00000103,0x80000009,0x80000012,0x80000202,0x00000018,0x00000164,0x00000408,0x800000e6,0x8000004c } } +, {1,46,2,58,0,4, { 0xb0000040,0xd0000053,0xd0000022,0x20000000,0x60000032,0x60000043,0x20000040,0xe0000042,0x60000002,0x80000001,0x00000020,0x00000003,0x40000052,0x40000040,0xe0000052,0xa0000000,0x80000040,0x20000001,0x20000060,0x80000001,0x40000042,0xc0000043,0x40000022,0x00000003,0x40000042,0xc0000043,0xc0000022,0x00000001,0x40000002,0xc0000043,0x40000062,0x80000001,0x40000042,0x40000042,0x40000002,0x00000002,0x00000040,0x80000002,0x80000000,0x80000002,0x80000040,0x00000000,0x80000040,0x80000000,0x00000040,0x80000000,0x00000040,0x80000002,0x00000000,0x80000000,0x80000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000004,0x00000080,0x00000004,0x00000009,0x00000101,0x00000009,0x00000012,0x00000202,0x0000001a,0x00000124,0x0000040c,0x00000026,0x0000004a,0x0000080a,0x00000060,0x00000590,0x00001020,0x0000039a,0x00000132 } } +, {1,47,0,58,0,5, { 0xc8000010,0x2c000010,0xf4000014,0xb4000008,0x08000000,0x9800000c,0xd8000010,0x08000010,0xb8000010,0x98000000,0x60000000,0x00000008,0xc0000000,0x90000014,0x10000010,0xb8000014,0x28000000,0x20000010,0x48000000,0x08000018,0x60000000,0x90000010,0xf0000010,0x90000008,0xc0000000,0x90000010,0xf0000010,0xb0000008,0x40000000,0x90000000,0xf0000010,0x90000018,0x60000000,0x90000010,0x90000010,0x90000000,0x80000000,0x00000010,0xa0000000,0x20000000,0xa0000000,0x20000010,0x00000000,0x20000010,0x20000000,0x00000010,0x20000000,0x00000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000040,0x40000002,0x80000004,0x80000080,0x80000006,0x00000049,0x00000103,0x80000009,0x80000012,0x80000202,0x00000018,0x00000164,0x00000408,0x800000e6 } } +, {1,47,2,58,0,6, { 0x20000043,0xb0000040,0xd0000053,0xd0000022,0x20000000,0x60000032,0x60000043,0x20000040,0xe0000042,0x60000002,0x80000001,0x00000020,0x00000003,0x40000052,0x40000040,0xe0000052,0xa0000000,0x80000040,0x20000001,0x20000060,0x80000001,0x40000042,0xc0000043,0x40000022,0x00000003,0x40000042,0xc0000043,0xc0000022,0x00000001,0x40000002,0xc0000043,0x40000062,0x80000001,0x40000042,0x40000042,0x40000002,0x00000002,0x00000040,0x80000002,0x80000000,0x80000002,0x80000040,0x00000000,0x80000040,0x80000000,0x00000040,0x80000000,0x00000040,0x80000002,0x00000000,0x80000000,0x80000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000004,0x00000080,0x00000004,0x00000009,0x00000101,0x00000009,0x00000012,0x00000202,0x0000001a,0x00000124,0x0000040c,0x00000026,0x0000004a,0x0000080a,0x00000060,0x00000590,0x00001020,0x0000039a } } +, {1,48,0,58,0,7, { 0xb800000a,0xc8000010,0x2c000010,0xf4000014,0xb4000008,0x08000000,0x9800000c,0xd8000010,0x08000010,0xb8000010,0x98000000,0x60000000,0x00000008,0xc0000000,0x90000014,0x10000010,0xb8000014,0x28000000,0x20000010,0x48000000,0x08000018,0x60000000,0x90000010,0xf0000010,0x90000008,0xc0000000,0x90000010,0xf0000010,0xb0000008,0x40000000,0x90000000,0xf0000010,0x90000018,0x60000000,0x90000010,0x90000010,0x90000000,0x80000000,0x00000010,0xa0000000,0x20000000,0xa0000000,0x20000010,0x00000000,0x20000010,0x20000000,0x00000010,0x20000000,0x00000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000040,0x40000002,0x80000004,0x80000080,0x80000006,0x00000049,0x00000103,0x80000009,0x80000012,0x80000202,0x00000018,0x00000164,0x00000408 } } +, {1,48,2,58,0,8, { 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0xf0000010,0xf000006a,0x80000040,0x90000070,0xb0000053,0x30000008,0x00000043,0xd0000072,0xb0000010,0xf0000062,0xc0000042,0x00000030,0xe0000042,0x20000060,0xe0000041,0x20000050,0xc0000041,0xe0000072,0xa0000003,0xc0000012,0x60000041,0xc0000032,0x20000001,0xc0000002,0xe0000042,0x60000042,0x80000002,0x00000000,0x00000000,0x80000000,0x00000002,0x00000040,0x00000000,0x80000040,0x80000000,0x00000040,0x80000001,0x00000060,0x80000003,0x40000002,0xc0000040,0xc0000002,0x80000000,0x80000000,0x80000002,0x00000040,0x00000002,0x80000000,0x80000000,0x80000000,0x00000002,0x00000040,0x00000000,0x80000040,0x80000002,0x00000000,0x80000000,0x80000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000004,0x00000080,0x00000004,0x00000009,0x00000105,0x00000089,0x00000016,0x0000020b,0x0000011b,0x0000012d,0x0000041e,0x00000224,0x00000050,0x0000092e,0x0000046c,0x000005b6 } } +, {2,50,0,65,0,23, { 0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046,0x4000004b,0x80000107,0x00000089,0x00000014,0x8000024b,0x0000011b } } +, {2,50,2,65,0,24, { 0xd0000072,0xf0000010,0xf000006a,0x80000040,0x90000070,0xb0000053,0x30000008,0x00000043,0xd0000072,0xb0000010,0xf0000062,0xc0000042,0x00000030,0xe0000042,0x20000060,0xe0000041,0x20000050,0xc0000041,0xe0000072,0xa0000003,0xc0000012,0x60000041,0xc0000032,0x20000001,0xc0000002,0xe0000042,0x60000042,0x80000002,0x00000000,0x00000000,0x80000000,0x00000002,0x00000040,0x00000000,0x80000040,0x80000000,0x00000040,0x80000001,0x00000060,0x80000003,0x40000002,0xc0000040,0xc0000002,0x80000000,0x80000000,0x80000002,0x00000040,0x00000002,0x80000000,0x80000000,0x80000000,0x00000002,0x00000040,0x00000000,0x80000040,0x80000002,0x00000000,0x80000000,0x80000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000004,0x00000080,0x00000004,0x00000009,0x00000105,0x00000089,0x00000016,0x0000020b,0x0000011b,0x0000012d,0x0000041e,0x00000224,0x00000050,0x0000092e,0x0000046c } } +, {2,51,0,65,0,25, { 0xc0000010,0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046,0x4000004b,0x80000107,0x00000089,0x00000014,0x8000024b } } +, {2,51,2,65,0,26, { 0x00000043,0xd0000072,0xf0000010,0xf000006a,0x80000040,0x90000070,0xb0000053,0x30000008,0x00000043,0xd0000072,0xb0000010,0xf0000062,0xc0000042,0x00000030,0xe0000042,0x20000060,0xe0000041,0x20000050,0xc0000041,0xe0000072,0xa0000003,0xc0000012,0x60000041,0xc0000032,0x20000001,0xc0000002,0xe0000042,0x60000042,0x80000002,0x00000000,0x00000000,0x80000000,0x00000002,0x00000040,0x00000000,0x80000040,0x80000000,0x00000040,0x80000001,0x00000060,0x80000003,0x40000002,0xc0000040,0xc0000002,0x80000000,0x80000000,0x80000002,0x00000040,0x00000002,0x80000000,0x80000000,0x80000000,0x00000002,0x00000040,0x00000000,0x80000040,0x80000002,0x00000000,0x80000000,0x80000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000004,0x00000080,0x00000004,0x00000009,0x00000105,0x00000089,0x00000016,0x0000020b,0x0000011b,0x0000012d,0x0000041e,0x00000224,0x00000050,0x0000092e } } +, {2,52,0,65,0,27, { 0x0c000002,0xc0000010,0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046,0x4000004b,0x80000107,0x00000089,0x00000014 } } +, {2,53,0,65,0,28, { 0xcc000014,0x0c000002,0xc0000010,0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046,0x4000004b,0x80000107,0x00000089 } } +, {2,54,0,65,0,29, { 0x0400001c,0xcc000014,0x0c000002,0xc0000010,0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046,0x4000004b,0x80000107 } } +, {2,55,0,65,0,30, { 0x00000010,0x0400001c,0xcc000014,0x0c000002,0xc0000010,0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046,0x4000004b } } +, {2,56,0,65,0,31, { 0x2600001a,0x00000010,0x0400001c,0xcc000014,0x0c000002,0xc0000010,0xb400001c,0x3c000004,0xbc00001a,0x20000010,0x2400001c,0xec000014,0x0c000002,0xc0000010,0xb400001c,0x2c000004,0xbc000018,0xb0000010,0x0000000c,0xb8000010,0x08000018,0x78000010,0x08000014,0x70000010,0xb800001c,0xe8000000,0xb0000004,0x58000010,0xb000000c,0x48000000,0xb0000000,0xb8000010,0x98000010,0xa0000000,0x00000000,0x00000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0x20000000,0x00000010,0x60000000,0x00000018,0xe0000000,0x90000000,0x30000010,0xb0000000,0x20000000,0x20000000,0xa0000000,0x00000010,0x80000000,0x20000000,0x20000000,0x20000000,0x80000000,0x00000010,0x00000000,0x20000010,0xa0000000,0x00000000,0x20000000,0x20000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,0x00000001,0x00000020,0x00000001,0x40000002,0x40000041,0x40000022,0x80000005,0xc0000082,0xc0000046 } } +, {0,0,0,0,0,0, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} +}; +void ubc_check(const uint32_t W[80], uint32_t dvmask[1]) +{ + uint32_t mask = ~((uint32_t)(0)); + mask &= (((((W[44]^W[45])>>29)&1)-1) | ~(DV_I_48_0_bit|DV_I_51_0_bit|DV_I_52_0_bit|DV_II_45_0_bit|DV_II_46_0_bit|DV_II_50_0_bit|DV_II_51_0_bit)); + mask &= (((((W[49]^W[50])>>29)&1)-1) | ~(DV_I_46_0_bit|DV_II_45_0_bit|DV_II_50_0_bit|DV_II_51_0_bit|DV_II_55_0_bit|DV_II_56_0_bit)); + mask &= (((((W[48]^W[49])>>29)&1)-1) | ~(DV_I_45_0_bit|DV_I_52_0_bit|DV_II_49_0_bit|DV_II_50_0_bit|DV_II_54_0_bit|DV_II_55_0_bit)); + mask &= ((((W[47]^(W[50]>>25))&(1<<4))-(1<<4)) | ~(DV_I_47_0_bit|DV_I_49_0_bit|DV_I_51_0_bit|DV_II_45_0_bit|DV_II_51_0_bit|DV_II_56_0_bit)); + mask &= (((((W[47]^W[48])>>29)&1)-1) | ~(DV_I_44_0_bit|DV_I_51_0_bit|DV_II_48_0_bit|DV_II_49_0_bit|DV_II_53_0_bit|DV_II_54_0_bit)); + mask &= (((((W[46]>>4)^(W[49]>>29))&1)-1) | ~(DV_I_46_0_bit|DV_I_48_0_bit|DV_I_50_0_bit|DV_I_52_0_bit|DV_II_50_0_bit|DV_II_55_0_bit)); + mask &= (((((W[46]^W[47])>>29)&1)-1) | ~(DV_I_43_0_bit|DV_I_50_0_bit|DV_II_47_0_bit|DV_II_48_0_bit|DV_II_52_0_bit|DV_II_53_0_bit)); + mask &= (((((W[45]>>4)^(W[48]>>29))&1)-1) | ~(DV_I_45_0_bit|DV_I_47_0_bit|DV_I_49_0_bit|DV_I_51_0_bit|DV_II_49_0_bit|DV_II_54_0_bit)); + mask &= (((((W[45]^W[46])>>29)&1)-1) | ~(DV_I_49_0_bit|DV_I_52_0_bit|DV_II_46_0_bit|DV_II_47_0_bit|DV_II_51_0_bit|DV_II_52_0_bit)); + mask &= (((((W[44]>>4)^(W[47]>>29))&1)-1) | ~(DV_I_44_0_bit|DV_I_46_0_bit|DV_I_48_0_bit|DV_I_50_0_bit|DV_II_48_0_bit|DV_II_53_0_bit)); + mask &= (((((W[43]>>4)^(W[46]>>29))&1)-1) | ~(DV_I_43_0_bit|DV_I_45_0_bit|DV_I_47_0_bit|DV_I_49_0_bit|DV_II_47_0_bit|DV_II_52_0_bit)); + mask &= (((((W[43]^W[44])>>29)&1)-1) | ~(DV_I_47_0_bit|DV_I_50_0_bit|DV_I_51_0_bit|DV_II_45_0_bit|DV_II_49_0_bit|DV_II_50_0_bit)); + mask &= (((((W[42]>>4)^(W[45]>>29))&1)-1) | ~(DV_I_44_0_bit|DV_I_46_0_bit|DV_I_48_0_bit|DV_I_52_0_bit|DV_II_46_0_bit|DV_II_51_0_bit)); + mask &= (((((W[41]>>4)^(W[44]>>29))&1)-1) | ~(DV_I_43_0_bit|DV_I_45_0_bit|DV_I_47_0_bit|DV_I_51_0_bit|DV_II_45_0_bit|DV_II_50_0_bit)); + mask &= (((((W[40]^W[41])>>29)&1)-1) | ~(DV_I_44_0_bit|DV_I_47_0_bit|DV_I_48_0_bit|DV_II_46_0_bit|DV_II_47_0_bit|DV_II_56_0_bit)); + mask &= (((((W[54]^W[55])>>29)&1)-1) | ~(DV_I_51_0_bit|DV_II_47_0_bit|DV_II_50_0_bit|DV_II_55_0_bit|DV_II_56_0_bit)); + mask &= (((((W[53]^W[54])>>29)&1)-1) | ~(DV_I_50_0_bit|DV_II_46_0_bit|DV_II_49_0_bit|DV_II_54_0_bit|DV_II_55_0_bit)); + mask &= (((((W[52]^W[53])>>29)&1)-1) | ~(DV_I_49_0_bit|DV_II_45_0_bit|DV_II_48_0_bit|DV_II_53_0_bit|DV_II_54_0_bit)); + mask &= ((((W[50]^(W[53]>>25))&(1<<4))-(1<<4)) | ~(DV_I_50_0_bit|DV_I_52_0_bit|DV_II_46_0_bit|DV_II_48_0_bit|DV_II_54_0_bit)); + mask &= (((((W[50]^W[51])>>29)&1)-1) | ~(DV_I_47_0_bit|DV_II_46_0_bit|DV_II_51_0_bit|DV_II_52_0_bit|DV_II_56_0_bit)); + mask &= ((((W[49]^(W[52]>>25))&(1<<4))-(1<<4)) | ~(DV_I_49_0_bit|DV_I_51_0_bit|DV_II_45_0_bit|DV_II_47_0_bit|DV_II_53_0_bit)); + mask &= ((((W[48]^(W[51]>>25))&(1<<4))-(1<<4)) | ~(DV_I_48_0_bit|DV_I_50_0_bit|DV_I_52_0_bit|DV_II_46_0_bit|DV_II_52_0_bit)); + mask &= (((((W[42]^W[43])>>29)&1)-1) | ~(DV_I_46_0_bit|DV_I_49_0_bit|DV_I_50_0_bit|DV_II_48_0_bit|DV_II_49_0_bit)); + mask &= (((((W[41]^W[42])>>29)&1)-1) | ~(DV_I_45_0_bit|DV_I_48_0_bit|DV_I_49_0_bit|DV_II_47_0_bit|DV_II_48_0_bit)); + mask &= (((((W[40]>>4)^(W[43]>>29))&1)-1) | ~(DV_I_44_0_bit|DV_I_46_0_bit|DV_I_50_0_bit|DV_II_49_0_bit|DV_II_56_0_bit)); + mask &= (((((W[39]>>4)^(W[42]>>29))&1)-1) | ~(DV_I_43_0_bit|DV_I_45_0_bit|DV_I_49_0_bit|DV_II_48_0_bit|DV_II_55_0_bit)); + if (mask & (DV_I_44_0_bit|DV_I_48_0_bit|DV_II_47_0_bit|DV_II_54_0_bit|DV_II_56_0_bit)) + mask &= (((((W[38]>>4)^(W[41]>>29))&1)-1) | ~(DV_I_44_0_bit|DV_I_48_0_bit|DV_II_47_0_bit|DV_II_54_0_bit|DV_II_56_0_bit)); + mask &= (((((W[37]>>4)^(W[40]>>29))&1)-1) | ~(DV_I_43_0_bit|DV_I_47_0_bit|DV_II_46_0_bit|DV_II_53_0_bit|DV_II_55_0_bit)); + if (mask & (DV_I_52_0_bit|DV_II_48_0_bit|DV_II_51_0_bit|DV_II_56_0_bit)) + mask &= (((((W[55]^W[56])>>29)&1)-1) | ~(DV_I_52_0_bit|DV_II_48_0_bit|DV_II_51_0_bit|DV_II_56_0_bit)); + if (mask & (DV_I_52_0_bit|DV_II_48_0_bit|DV_II_50_0_bit|DV_II_56_0_bit)) + mask &= ((((W[52]^(W[55]>>25))&(1<<4))-(1<<4)) | ~(DV_I_52_0_bit|DV_II_48_0_bit|DV_II_50_0_bit|DV_II_56_0_bit)); + if (mask & (DV_I_51_0_bit|DV_II_47_0_bit|DV_II_49_0_bit|DV_II_55_0_bit)) + mask &= ((((W[51]^(W[54]>>25))&(1<<4))-(1<<4)) | ~(DV_I_51_0_bit|DV_II_47_0_bit|DV_II_49_0_bit|DV_II_55_0_bit)); + if (mask & (DV_I_48_0_bit|DV_II_47_0_bit|DV_II_52_0_bit|DV_II_53_0_bit)) + mask &= (((((W[51]^W[52])>>29)&1)-1) | ~(DV_I_48_0_bit|DV_II_47_0_bit|DV_II_52_0_bit|DV_II_53_0_bit)); + if (mask & (DV_I_46_0_bit|DV_I_49_0_bit|DV_II_45_0_bit|DV_II_48_0_bit)) + mask &= (((((W[36]>>4)^(W[40]>>29))&1)-1) | ~(DV_I_46_0_bit|DV_I_49_0_bit|DV_II_45_0_bit|DV_II_48_0_bit)); + if (mask & (DV_I_52_0_bit|DV_II_48_0_bit|DV_II_49_0_bit)) + mask &= ((0-(((W[53]^W[56])>>29)&1)) | ~(DV_I_52_0_bit|DV_II_48_0_bit|DV_II_49_0_bit)); + if (mask & (DV_I_50_0_bit|DV_II_46_0_bit|DV_II_47_0_bit)) + mask &= ((0-(((W[51]^W[54])>>29)&1)) | ~(DV_I_50_0_bit|DV_II_46_0_bit|DV_II_47_0_bit)); + if (mask & (DV_I_49_0_bit|DV_I_51_0_bit|DV_II_45_0_bit)) + mask &= ((0-(((W[50]^W[52])>>29)&1)) | ~(DV_I_49_0_bit|DV_I_51_0_bit|DV_II_45_0_bit)); + if (mask & (DV_I_48_0_bit|DV_I_50_0_bit|DV_I_52_0_bit)) + mask &= ((0-(((W[49]^W[51])>>29)&1)) | ~(DV_I_48_0_bit|DV_I_50_0_bit|DV_I_52_0_bit)); + if (mask & (DV_I_47_0_bit|DV_I_49_0_bit|DV_I_51_0_bit)) + mask &= ((0-(((W[48]^W[50])>>29)&1)) | ~(DV_I_47_0_bit|DV_I_49_0_bit|DV_I_51_0_bit)); + if (mask & (DV_I_46_0_bit|DV_I_48_0_bit|DV_I_50_0_bit)) + mask &= ((0-(((W[47]^W[49])>>29)&1)) | ~(DV_I_46_0_bit|DV_I_48_0_bit|DV_I_50_0_bit)); + if (mask & (DV_I_45_0_bit|DV_I_47_0_bit|DV_I_49_0_bit)) + mask &= ((0-(((W[46]^W[48])>>29)&1)) | ~(DV_I_45_0_bit|DV_I_47_0_bit|DV_I_49_0_bit)); + mask &= ((((W[45]^W[47])&(1<<6))-(1<<6)) | ~(DV_I_47_2_bit|DV_I_49_2_bit|DV_I_51_2_bit)); + if (mask & (DV_I_44_0_bit|DV_I_46_0_bit|DV_I_48_0_bit)) + mask &= ((0-(((W[45]^W[47])>>29)&1)) | ~(DV_I_44_0_bit|DV_I_46_0_bit|DV_I_48_0_bit)); + mask &= (((((W[44]^W[46])>>6)&1)-1) | ~(DV_I_46_2_bit|DV_I_48_2_bit|DV_I_50_2_bit)); + if (mask & (DV_I_43_0_bit|DV_I_45_0_bit|DV_I_47_0_bit)) + mask &= ((0-(((W[44]^W[46])>>29)&1)) | ~(DV_I_43_0_bit|DV_I_45_0_bit|DV_I_47_0_bit)); + mask &= ((0-((W[41]^(W[42]>>5))&(1<<1))) | ~(DV_I_48_2_bit|DV_II_46_2_bit|DV_II_51_2_bit)); + mask &= ((0-((W[40]^(W[41]>>5))&(1<<1))) | ~(DV_I_47_2_bit|DV_I_51_2_bit|DV_II_50_2_bit)); + if (mask & (DV_I_44_0_bit|DV_I_46_0_bit|DV_II_56_0_bit)) + mask &= ((0-(((W[40]^W[42])>>4)&1)) | ~(DV_I_44_0_bit|DV_I_46_0_bit|DV_II_56_0_bit)); + mask &= ((0-((W[39]^(W[40]>>5))&(1<<1))) | ~(DV_I_46_2_bit|DV_I_50_2_bit|DV_II_49_2_bit)); + if (mask & (DV_I_43_0_bit|DV_I_45_0_bit|DV_II_55_0_bit)) + mask &= ((0-(((W[39]^W[41])>>4)&1)) | ~(DV_I_43_0_bit|DV_I_45_0_bit|DV_II_55_0_bit)); + if (mask & (DV_I_44_0_bit|DV_II_54_0_bit|DV_II_56_0_bit)) + mask &= ((0-(((W[38]^W[40])>>4)&1)) | ~(DV_I_44_0_bit|DV_II_54_0_bit|DV_II_56_0_bit)); + if (mask & (DV_I_43_0_bit|DV_II_53_0_bit|DV_II_55_0_bit)) + mask &= ((0-(((W[37]^W[39])>>4)&1)) | ~(DV_I_43_0_bit|DV_II_53_0_bit|DV_II_55_0_bit)); + mask &= ((0-((W[36]^(W[37]>>5))&(1<<1))) | ~(DV_I_47_2_bit|DV_I_50_2_bit|DV_II_46_2_bit)); + if (mask & (DV_I_45_0_bit|DV_I_48_0_bit|DV_II_47_0_bit)) + mask &= (((((W[35]>>4)^(W[39]>>29))&1)-1) | ~(DV_I_45_0_bit|DV_I_48_0_bit|DV_II_47_0_bit)); + if (mask & (DV_I_48_0_bit|DV_II_48_0_bit)) + mask &= ((0-((W[63]^(W[64]>>5))&(1<<0))) | ~(DV_I_48_0_bit|DV_II_48_0_bit)); + if (mask & (DV_I_45_0_bit|DV_II_45_0_bit)) + mask &= ((0-((W[63]^(W[64]>>5))&(1<<1))) | ~(DV_I_45_0_bit|DV_II_45_0_bit)); + if (mask & (DV_I_47_0_bit|DV_II_47_0_bit)) + mask &= ((0-((W[62]^(W[63]>>5))&(1<<0))) | ~(DV_I_47_0_bit|DV_II_47_0_bit)); + if (mask & (DV_I_46_0_bit|DV_II_46_0_bit)) + mask &= ((0-((W[61]^(W[62]>>5))&(1<<0))) | ~(DV_I_46_0_bit|DV_II_46_0_bit)); + mask &= ((0-((W[61]^(W[62]>>5))&(1<<2))) | ~(DV_I_46_2_bit|DV_II_46_2_bit)); + if (mask & (DV_I_45_0_bit|DV_II_45_0_bit)) + mask &= ((0-((W[60]^(W[61]>>5))&(1<<0))) | ~(DV_I_45_0_bit|DV_II_45_0_bit)); + if (mask & (DV_II_51_0_bit|DV_II_54_0_bit)) + mask &= (((((W[58]^W[59])>>29)&1)-1) | ~(DV_II_51_0_bit|DV_II_54_0_bit)); + if (mask & (DV_II_50_0_bit|DV_II_53_0_bit)) + mask &= (((((W[57]^W[58])>>29)&1)-1) | ~(DV_II_50_0_bit|DV_II_53_0_bit)); + if (mask & (DV_II_52_0_bit|DV_II_54_0_bit)) + mask &= ((((W[56]^(W[59]>>25))&(1<<4))-(1<<4)) | ~(DV_II_52_0_bit|DV_II_54_0_bit)); + if (mask & (DV_II_51_0_bit|DV_II_52_0_bit)) + mask &= ((0-(((W[56]^W[59])>>29)&1)) | ~(DV_II_51_0_bit|DV_II_52_0_bit)); + if (mask & (DV_II_49_0_bit|DV_II_52_0_bit)) + mask &= (((((W[56]^W[57])>>29)&1)-1) | ~(DV_II_49_0_bit|DV_II_52_0_bit)); + if (mask & (DV_II_51_0_bit|DV_II_53_0_bit)) + mask &= ((((W[55]^(W[58]>>25))&(1<<4))-(1<<4)) | ~(DV_II_51_0_bit|DV_II_53_0_bit)); + if (mask & (DV_II_50_0_bit|DV_II_52_0_bit)) + mask &= ((((W[54]^(W[57]>>25))&(1<<4))-(1<<4)) | ~(DV_II_50_0_bit|DV_II_52_0_bit)); + if (mask & (DV_II_49_0_bit|DV_II_51_0_bit)) + mask &= ((((W[53]^(W[56]>>25))&(1<<4))-(1<<4)) | ~(DV_II_49_0_bit|DV_II_51_0_bit)); + mask &= ((((W[51]^(W[50]>>5))&(1<<1))-(1<<1)) | ~(DV_I_50_2_bit|DV_II_46_2_bit)); + mask &= ((((W[48]^W[50])&(1<<6))-(1<<6)) | ~(DV_I_50_2_bit|DV_II_46_2_bit)); + if (mask & (DV_I_51_0_bit|DV_I_52_0_bit)) + mask &= ((0-(((W[48]^W[55])>>29)&1)) | ~(DV_I_51_0_bit|DV_I_52_0_bit)); + mask &= ((((W[47]^W[49])&(1<<6))-(1<<6)) | ~(DV_I_49_2_bit|DV_I_51_2_bit)); + mask &= ((((W[48]^(W[47]>>5))&(1<<1))-(1<<1)) | ~(DV_I_47_2_bit|DV_II_51_2_bit)); + mask &= ((((W[46]^W[48])&(1<<6))-(1<<6)) | ~(DV_I_48_2_bit|DV_I_50_2_bit)); + mask &= ((((W[47]^(W[46]>>5))&(1<<1))-(1<<1)) | ~(DV_I_46_2_bit|DV_II_50_2_bit)); + mask &= ((0-((W[44]^(W[45]>>5))&(1<<1))) | ~(DV_I_51_2_bit|DV_II_49_2_bit)); + mask &= ((((W[43]^W[45])&(1<<6))-(1<<6)) | ~(DV_I_47_2_bit|DV_I_49_2_bit)); + mask &= (((((W[42]^W[44])>>6)&1)-1) | ~(DV_I_46_2_bit|DV_I_48_2_bit)); + mask &= ((((W[43]^(W[42]>>5))&(1<<1))-(1<<1)) | ~(DV_II_46_2_bit|DV_II_51_2_bit)); + mask &= ((((W[42]^(W[41]>>5))&(1<<1))-(1<<1)) | ~(DV_I_51_2_bit|DV_II_50_2_bit)); + mask &= ((((W[41]^(W[40]>>5))&(1<<1))-(1<<1)) | ~(DV_I_50_2_bit|DV_II_49_2_bit)); + if (mask & (DV_I_52_0_bit|DV_II_51_0_bit)) + mask &= ((((W[39]^(W[43]>>25))&(1<<4))-(1<<4)) | ~(DV_I_52_0_bit|DV_II_51_0_bit)); + if (mask & (DV_I_51_0_bit|DV_II_50_0_bit)) + mask &= ((((W[38]^(W[42]>>25))&(1<<4))-(1<<4)) | ~(DV_I_51_0_bit|DV_II_50_0_bit)); + if (mask & (DV_I_48_2_bit|DV_I_51_2_bit)) + mask &= ((0-((W[37]^(W[38]>>5))&(1<<1))) | ~(DV_I_48_2_bit|DV_I_51_2_bit)); + if (mask & (DV_I_50_0_bit|DV_II_49_0_bit)) + mask &= ((((W[37]^(W[41]>>25))&(1<<4))-(1<<4)) | ~(DV_I_50_0_bit|DV_II_49_0_bit)); + if (mask & (DV_II_52_0_bit|DV_II_54_0_bit)) + mask &= ((0-((W[36]^W[38])&(1<<4))) | ~(DV_II_52_0_bit|DV_II_54_0_bit)); + mask &= ((0-((W[35]^(W[36]>>5))&(1<<1))) | ~(DV_I_46_2_bit|DV_I_49_2_bit)); + if (mask & (DV_I_51_0_bit|DV_II_47_0_bit)) + mask &= ((((W[35]^(W[39]>>25))&(1<<3))-(1<<3)) | ~(DV_I_51_0_bit|DV_II_47_0_bit)); +if (mask) { + + if (mask & DV_I_43_0_bit) + if ( + !((W[61]^(W[62]>>5)) & (1<<1)) + || !(!((W[59]^(W[63]>>25)) & (1<<5))) + || !((W[58]^(W[63]>>30)) & (1<<0)) + ) mask &= ~DV_I_43_0_bit; + if (mask & DV_I_44_0_bit) + if ( + !((W[62]^(W[63]>>5)) & (1<<1)) + || !(!((W[60]^(W[64]>>25)) & (1<<5))) + || !((W[59]^(W[64]>>30)) & (1<<0)) + ) mask &= ~DV_I_44_0_bit; + if (mask & DV_I_46_2_bit) + mask &= ((~((W[40]^W[42])>>2)) | ~DV_I_46_2_bit); + if (mask & DV_I_47_2_bit) + if ( + !((W[62]^(W[63]>>5)) & (1<<2)) + || !(!((W[41]^W[43]) & (1<<6))) + ) mask &= ~DV_I_47_2_bit; + if (mask & DV_I_48_2_bit) + if ( + !((W[63]^(W[64]>>5)) & (1<<2)) + || !(!((W[48]^(W[49]<<5)) & (1<<6))) + ) mask &= ~DV_I_48_2_bit; + if (mask & DV_I_49_2_bit) + if ( + !(!((W[49]^(W[50]<<5)) & (1<<6))) + || !((W[42]^W[50]) & (1<<1)) + || !(!((W[39]^(W[40]<<5)) & (1<<6))) + || !((W[38]^W[40]) & (1<<1)) + ) mask &= ~DV_I_49_2_bit; + if (mask & DV_I_50_0_bit) + mask &= ((((W[36]^W[37])<<7)) | ~DV_I_50_0_bit); + if (mask & DV_I_50_2_bit) + mask &= ((((W[43]^W[51])<<11)) | ~DV_I_50_2_bit); + if (mask & DV_I_51_0_bit) + mask &= ((((W[37]^W[38])<<9)) | ~DV_I_51_0_bit); + if (mask & DV_I_51_2_bit) + if ( + !(!((W[51]^(W[52]<<5)) & (1<<6))) + || !(!((W[49]^W[51]) & (1<<6))) + || !(!((W[37]^(W[37]>>5)) & (1<<1))) + || !(!((W[35]^(W[39]>>25)) & (1<<5))) + ) mask &= ~DV_I_51_2_bit; + if (mask & DV_I_52_0_bit) + mask &= ((((W[38]^W[39])<<11)) | ~DV_I_52_0_bit); + if (mask & DV_II_46_2_bit) + mask &= ((((W[47]^W[51])<<17)) | ~DV_II_46_2_bit); + if (mask & DV_II_48_0_bit) + if ( + !(!((W[36]^(W[40]>>25)) & (1<<3))) + || !((W[35]^(W[40]<<2)) & (1<<30)) + ) mask &= ~DV_II_48_0_bit; + if (mask & DV_II_49_0_bit) + if ( + !(!((W[37]^(W[41]>>25)) & (1<<3))) + || !((W[36]^(W[41]<<2)) & (1<<30)) + ) mask &= ~DV_II_49_0_bit; + if (mask & DV_II_49_2_bit) + if ( + !(!((W[53]^(W[54]<<5)) & (1<<6))) + || !(!((W[51]^W[53]) & (1<<6))) + || !((W[50]^W[54]) & (1<<1)) + || !(!((W[45]^(W[46]<<5)) & (1<<6))) + || !(!((W[37]^(W[41]>>25)) & (1<<5))) + || !((W[36]^(W[41]>>30)) & (1<<0)) + ) mask &= ~DV_II_49_2_bit; + if (mask & DV_II_50_0_bit) + if ( + !((W[55]^W[58]) & (1<<29)) + || !(!((W[38]^(W[42]>>25)) & (1<<3))) + || !((W[37]^(W[42]<<2)) & (1<<30)) + ) mask &= ~DV_II_50_0_bit; + if (mask & DV_II_50_2_bit) + if ( + !(!((W[54]^(W[55]<<5)) & (1<<6))) + || !(!((W[52]^W[54]) & (1<<6))) + || !((W[51]^W[55]) & (1<<1)) + || !((W[45]^W[47]) & (1<<1)) + || !(!((W[38]^(W[42]>>25)) & (1<<5))) + || !((W[37]^(W[42]>>30)) & (1<<0)) + ) mask &= ~DV_II_50_2_bit; + if (mask & DV_II_51_0_bit) + if ( + !(!((W[39]^(W[43]>>25)) & (1<<3))) + || !((W[38]^(W[43]<<2)) & (1<<30)) + ) mask &= ~DV_II_51_0_bit; + if (mask & DV_II_51_2_bit) + if ( + !(!((W[55]^(W[56]<<5)) & (1<<6))) + || !(!((W[53]^W[55]) & (1<<6))) + || !((W[52]^W[56]) & (1<<1)) + || !((W[46]^W[48]) & (1<<1)) + || !(!((W[39]^(W[43]>>25)) & (1<<5))) + || !((W[38]^(W[43]>>30)) & (1<<0)) + ) mask &= ~DV_II_51_2_bit; + if (mask & DV_II_52_0_bit) + if ( + !(!((W[59]^W[60]) & (1<<29))) + || !(!((W[40]^(W[44]>>25)) & (1<<3))) + || !(!((W[40]^(W[44]>>25)) & (1<<4))) + || !((W[39]^(W[44]<<2)) & (1<<30)) + ) mask &= ~DV_II_52_0_bit; + if (mask & DV_II_53_0_bit) + if ( + !((W[58]^W[61]) & (1<<29)) + || !(!((W[57]^(W[61]>>25)) & (1<<4))) + || !(!((W[41]^(W[45]>>25)) & (1<<3))) + || !(!((W[41]^(W[45]>>25)) & (1<<4))) + ) mask &= ~DV_II_53_0_bit; + if (mask & DV_II_54_0_bit) + if ( + !(!((W[58]^(W[62]>>25)) & (1<<4))) + || !(!((W[42]^(W[46]>>25)) & (1<<3))) + || !(!((W[42]^(W[46]>>25)) & (1<<4))) + ) mask &= ~DV_II_54_0_bit; + if (mask & DV_II_55_0_bit) + if ( + !(!((W[59]^(W[63]>>25)) & (1<<4))) + || !(!((W[57]^(W[59]>>25)) & (1<<4))) + || !(!((W[43]^(W[47]>>25)) & (1<<3))) + || !(!((W[43]^(W[47]>>25)) & (1<<4))) + ) mask &= ~DV_II_55_0_bit; + if (mask & DV_II_56_0_bit) + if ( + !(!((W[60]^(W[64]>>25)) & (1<<4))) + || !(!((W[44]^(W[48]>>25)) & (1<<3))) + || !(!((W[44]^(W[48]>>25)) & (1<<4))) + ) mask &= ~DV_II_56_0_bit; +} + + dvmask[0]=mask; +} diff --git a/sha1dc/ubc_check.h b/sha1dc/ubc_check.h new file mode 100644 index 000000000..27285bdf5 --- /dev/null +++ b/sha1dc/ubc_check.h @@ -0,0 +1,35 @@ +/*** +* Copyright 2017 Marc Stevens <m...@marc-stevens.nl>, Dan Shumow <dan...@microsoft.com> +* Distributed under the MIT Software License. +* See accompanying file LICENSE.txt or copy at +* https://opensource.org/licenses/MIT +***/ + +// this file was generated by the 'parse_bitrel' program in the tools section +// using the data files from directory 'tools/data/3565' +// +// sha1_dvs contains a list of SHA-1 Disturbance Vectors (DV) to check +// dvType, dvK and dvB define the DV: I(K,B) or II(K,B) (see the paper) +// dm[80] is the expanded message block XOR-difference defined by the DV +// testt is the step to do the recompression from for collision detection +// maski and maskb define the bit to check for each DV in the dvmask returned by ubc_check +// +// ubc_check takes as input an expanded message block and verifies the unavoidable bitconditions for all listed DVs +// it returns a dvmask where each bit belonging to a DV is set if all unavoidable bitconditions for that DV have been met +// thus one needs to do the recompression check for each DV that has its bit set + +#ifndef UBC_CHECK_H +#define UBC_CHECK_H + +#include <stdint.h> + +#define DVMASKSIZE 1 +typedef struct { int dvType; int dvK; int dvB; int testt; int maski; int maskb; uint32_t dm[80]; } dv_info_t; +extern dv_info_t sha1_dvs[]; +void ubc_check(const uint32_t W[80], uint32_t dvmask[DVMASKSIZE]); + +#define DOSTORESTATE58 +#define DOSTORESTATE65 + + +#endif // UBC_CHECK_H -- 2.12.0.rc2.629.ga7951ed82
