diff options
Diffstat (limited to 'tools/firmware-utils/src/sha1.c')
-rw-r--r-- | tools/firmware-utils/src/sha1.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/tools/firmware-utils/src/sha1.c b/tools/firmware-utils/src/sha1.c deleted file mode 100644 index 40cc78ca08..0000000000 --- a/tools/firmware-utils/src/sha1.c +++ /dev/null @@ -1,444 +0,0 @@ -/* - * FIPS-180-1 compliant SHA-1 implementation - * - * Copyright (C) 2003-2006 Christophe Devine - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License, version 2.1 as published by the Free Software Foundation. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA - */ -/* - * The SHA-1 standard was published by NIST in 1993. - * - * http://www.itl.nist.gov/fipspubs/fip180-1.htm - */ - -#ifndef _CRT_SECURE_NO_DEPRECATE -#define _CRT_SECURE_NO_DEPRECATE 1 -#endif - -#include <string.h> -#include <stdio.h> - -#include "sha1.h" - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_UINT32_BE -#define GET_UINT32_BE(n,b,i) \ -{ \ - (n) = ( (ulong) (b)[(i) ] << 24 ) \ - | ( (ulong) (b)[(i) + 1] << 16 ) \ - | ( (ulong) (b)[(i) + 2] << 8 ) \ - | ( (ulong) (b)[(i) + 3] ); \ -} -#endif -#ifndef PUT_UINT32_BE -#define PUT_UINT32_BE(n,b,i) \ -{ \ - (b)[(i) ] = (uchar) ( (n) >> 24 ); \ - (b)[(i) + 1] = (uchar) ( (n) >> 16 ); \ - (b)[(i) + 2] = (uchar) ( (n) >> 8 ); \ - (b)[(i) + 3] = (uchar) ( (n) ); \ -} -#endif - -/* - * Core SHA-1 functions - */ -void sha1_starts( sha1_context *ctx ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - ctx->state[0] = 0x67452301; - ctx->state[1] = 0xEFCDAB89; - ctx->state[2] = 0x98BADCFE; - ctx->state[3] = 0x10325476; - ctx->state[4] = 0xC3D2E1F0; -} - -void sha1_process( sha1_context *ctx, uchar data[64] ) -{ - ulong temp, W[16], A, B, C, D, E; - - GET_UINT32_BE( W[0], data, 0 ); - GET_UINT32_BE( W[1], data, 4 ); - GET_UINT32_BE( W[2], data, 8 ); - GET_UINT32_BE( W[3], data, 12 ); - GET_UINT32_BE( W[4], data, 16 ); - GET_UINT32_BE( W[5], data, 20 ); - GET_UINT32_BE( W[6], data, 24 ); - GET_UINT32_BE( W[7], data, 28 ); - GET_UINT32_BE( W[8], data, 32 ); - GET_UINT32_BE( W[9], data, 36 ); - GET_UINT32_BE( W[10], data, 40 ); - GET_UINT32_BE( W[11], data, 44 ); - GET_UINT32_BE( W[12], data, 48 ); - GET_UINT32_BE( W[13], data, 52 ); - GET_UINT32_BE( W[14], data, 56 ); - GET_UINT32_BE( W[15], data, 60 ); - -#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) - -#define R(t) \ -( \ - temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \ - W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \ - ( W[t & 0x0F] = S(temp,1) ) \ -) - -#define P(a,b,c,d,e,x) \ -{ \ - e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \ -} - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - E = ctx->state[4]; - -#define F(x,y,z) (z ^ (x & (y ^ z))) -#define K 0x5A827999 - - P( A, B, C, D, E, W[0] ); - P( E, A, B, C, D, W[1] ); - P( D, E, A, B, C, W[2] ); - P( C, D, E, A, B, W[3] ); - P( B, C, D, E, A, W[4] ); - P( A, B, C, D, E, W[5] ); - P( E, A, B, C, D, W[6] ); - P( D, E, A, B, C, W[7] ); - P( C, D, E, A, B, W[8] ); - P( B, C, D, E, A, W[9] ); - P( A, B, C, D, E, W[10] ); - P( E, A, B, C, D, W[11] ); - P( D, E, A, B, C, W[12] ); - P( C, D, E, A, B, W[13] ); - P( B, C, D, E, A, W[14] ); - P( A, B, C, D, E, W[15] ); - P( E, A, B, C, D, R(16) ); - P( D, E, A, B, C, R(17) ); - P( C, D, E, A, B, R(18) ); - P( B, C, D, E, A, R(19) ); - -#undef K -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define K 0x6ED9EBA1 - - P( A, B, C, D, E, R(20) ); - P( E, A, B, C, D, R(21) ); - P( D, E, A, B, C, R(22) ); - P( C, D, E, A, B, R(23) ); - P( B, C, D, E, A, R(24) ); - P( A, B, C, D, E, R(25) ); - P( E, A, B, C, D, R(26) ); - P( D, E, A, B, C, R(27) ); - P( C, D, E, A, B, R(28) ); - P( B, C, D, E, A, R(29) ); - P( A, B, C, D, E, R(30) ); - P( E, A, B, C, D, R(31) ); - P( D, E, A, B, C, R(32) ); - P( C, D, E, A, B, R(33) ); - P( B, C, D, E, A, R(34) ); - P( A, B, C, D, E, R(35) ); - P( E, A, B, C, D, R(36) ); - P( D, E, A, B, C, R(37) ); - P( C, D, E, A, B, R(38) ); - P( B, C, D, E, A, R(39) ); - -#undef K -#undef F - -#define F(x,y,z) ((x & y) | (z & (x | y))) -#define K 0x8F1BBCDC - - P( A, B, C, D, E, R(40) ); - P( E, A, B, C, D, R(41) ); - P( D, E, A, B, C, R(42) ); - P( C, D, E, A, B, R(43) ); - P( B, C, D, E, A, R(44) ); - P( A, B, C, D, E, R(45) ); - P( E, A, B, C, D, R(46) ); - P( D, E, A, B, C, R(47) ); - P( C, D, E, A, B, R(48) ); - P( B, C, D, E, A, R(49) ); - P( A, B, C, D, E, R(50) ); - P( E, A, B, C, D, R(51) ); - P( D, E, A, B, C, R(52) ); - P( C, D, E, A, B, R(53) ); - P( B, C, D, E, A, R(54) ); - P( A, B, C, D, E, R(55) ); - P( E, A, B, C, D, R(56) ); - P( D, E, A, B, C, R(57) ); - P( C, D, E, A, B, R(58) ); - P( B, C, D, E, A, R(59) ); - -#undef K -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define K 0xCA62C1D6 - - P( A, B, C, D, E, R(60) ); - P( E, A, B, C, D, R(61) ); - P( D, E, A, B, C, R(62) ); - P( C, D, E, A, B, R(63) ); - P( B, C, D, E, A, R(64) ); - P( A, B, C, D, E, R(65) ); - P( E, A, B, C, D, R(66) ); - P( D, E, A, B, C, R(67) ); - P( C, D, E, A, B, R(68) ); - P( B, C, D, E, A, R(69) ); - P( A, B, C, D, E, R(70) ); - P( E, A, B, C, D, R(71) ); - P( D, E, A, B, C, R(72) ); - P( C, D, E, A, B, R(73) ); - P( B, C, D, E, A, R(74) ); - P( A, B, C, D, E, R(75) ); - P( E, A, B, C, D, R(76) ); - P( D, E, A, B, C, R(77) ); - P( C, D, E, A, B, R(78) ); - P( B, C, D, E, A, R(79) ); - -#undef K -#undef F - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; - ctx->state[4] += E; -} - -void sha1_update( sha1_context *ctx, void *data, uint length ) -{ - uchar *input = data; - ulong left, fill; - - if( ! length ) return; - - left = ctx->total[0] & 0x3F; - fill = 64 - left; - - ctx->total[0] += length; - ctx->total[0] &= 0xFFFFFFFF; - - if( ctx->total[0] < length ) - ctx->total[1]++; - - if( left && length >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - sha1_process( ctx, ctx->buffer ); - length -= fill; - input += fill; - left = 0; - } - - while( length >= 64 ) - { - sha1_process( ctx, input ); - length -= 64; - input += 64; - } - - if( length ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, length ); - } -} - -static uchar 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 -}; - -void sha1_finish( sha1_context *ctx, uchar digest[20] ) -{ - ulong last, padn; - ulong high, low; - uchar msglen[8]; - - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_UINT32_BE( high, msglen, 0 ); - PUT_UINT32_BE( low, msglen, 4 ); - - last = ctx->total[0] & 0x3F; - padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); - - sha1_update( ctx, sha1_padding, padn ); - sha1_update( ctx, msglen, 8 ); - - PUT_UINT32_BE( ctx->state[0], digest, 0 ); - PUT_UINT32_BE( ctx->state[1], digest, 4 ); - PUT_UINT32_BE( ctx->state[2], digest, 8 ); - PUT_UINT32_BE( ctx->state[3], digest, 12 ); - PUT_UINT32_BE( ctx->state[4], digest, 16 ); -} - -/* - * Output SHA-1(file contents), returns 0 if successful. - */ -int sha1_file( char *filename, uchar digest[20] ) -{ - FILE *f; - size_t n; - sha1_context ctx; - uchar buf[1024]; - - if( ( f = fopen( filename, "rb" ) ) == NULL ) - return( 1 ); - - sha1_starts( &ctx ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - sha1_update( &ctx, buf, (uint) n ); - - sha1_finish( &ctx, digest ); - - fclose( f ); - return( 0 ); -} - -/* - * Output SHA-1(buf) - */ -void sha1_csum( uchar *buf, uint buflen, uchar digest[20] ) -{ - sha1_context ctx; - - sha1_starts( &ctx ); - sha1_update( &ctx, buf, buflen ); - sha1_finish( &ctx, digest ); -} - -/* - * Output HMAC-SHA-1(key,buf) - */ -void sha1_hmac( uchar *key, uint keylen, uchar *buf, uint buflen, - uchar digest[20] ) -{ - uint i; - sha1_context ctx; - uchar k_ipad[64]; - uchar k_opad[64]; - uchar tmpbuf[20]; - - memset( k_ipad, 0x36, 64 ); - memset( k_opad, 0x5C, 64 ); - - for( i = 0; i < keylen; i++ ) - { - if( i >= 64 ) break; - - k_ipad[i] ^= key[i]; - k_opad[i] ^= key[i]; - } - - sha1_starts( &ctx ); - sha1_update( &ctx, k_ipad, 64 ); - sha1_update( &ctx, buf, buflen ); - sha1_finish( &ctx, tmpbuf ); - - sha1_starts( &ctx ); - sha1_update( &ctx, k_opad, 64 ); - sha1_update( &ctx, tmpbuf, 20 ); - sha1_finish( &ctx, digest ); - - memset( k_ipad, 0, 64 ); - memset( k_opad, 0, 64 ); - memset( tmpbuf, 0, 20 ); - memset( &ctx, 0, sizeof( sha1_context ) ); -} - -#ifdef SELF_TEST -/* - * FIPS-180-1 test vectors - */ -static char *sha1_test_str[3] = -{ - "abc", - "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", - NULL -}; - -static uchar sha1_test_sum[3][20] = -{ - { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, - 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, - { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, - 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, - { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, - 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } -}; - -/* - * Checkup routine - */ -int sha1_self_test( void ) -{ - int i, j; - uchar buf[1000]; - uchar sha1sum[20]; - sha1_context ctx; - - for( i = 0; i < 3; i++ ) - { - printf( " SHA-1 test #%d: ", i + 1 ); - - sha1_starts( &ctx ); - - if( i < 2 ) - sha1_update( &ctx, (uchar *) sha1_test_str[i], - strlen( sha1_test_str[i] ) ); - else - { - memset( buf, 'a', 1000 ); - for( j = 0; j < 1000; j++ ) - sha1_update( &ctx, (uchar *) buf, 1000 ); - } - - sha1_finish( &ctx, sha1sum ); - - if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 ) - { - printf( "failed\n" ); - return( 1 ); - } - - printf( "passed\n" ); - } - - printf( "\n" ); - return( 0 ); -} -#else -int sha1_self_test( void ) -{ - printf( "SHA-1 self-test not available\n\n" ); - return( 1 ); -} -#endif |