diff options
Diffstat (limited to 'lib/libalpm/md5.c')
| -rw-r--r-- | lib/libalpm/md5.c | 91 |
1 files changed, 44 insertions, 47 deletions
diff --git a/lib/libalpm/md5.c b/lib/libalpm/md5.c index 4c903895..413af3f3 100644 --- a/lib/libalpm/md5.c +++ b/lib/libalpm/md5.c @@ -3,18 +3,18 @@ * * Copyright (C) 2006-2007 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 program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * - * This library is distributed in the hope that it will be useful, + * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU 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, see - * <http://www.gnu.org/licenses/>. + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* * The MD5 algorithm was designed by Ron Rivest in 1991. @@ -25,8 +25,9 @@ * Pacman Notes: * * Taken from the XySSL project at www.xyssl.org under terms of the - * LGPL. This is from version 0.7 of the library, and has been modified + * GPL. This is from version 0.9 of the library, and has been modified * as following, which may be helpful for future updates: + * * remove "xyssl/config.h" include * * change include from "xyssl/md5.h" to "md5.h" * * removal of HMAC code * * removal of SELF_TEST code @@ -35,12 +36,9 @@ * int md5_file( char *path, unsigned char *output ) * to * int md5_file( const char *path, unsigned char *output ) + * * various static/inline changes */ -#ifndef _CRT_SECURE_NO_DEPRECATE -#define _CRT_SECURE_NO_DEPRECATE 1 -#endif - #include <string.h> #include <stdio.h> @@ -49,8 +47,8 @@ /* * 32-bit integer manipulation macros (little endian) */ -#ifndef GET_UINT32_LE -#define GET_UINT32_LE(n,b,i) \ +#ifndef GET_ULONG_LE +#define GET_ULONG_LE(n,b,i) \ { \ (n) = ( (unsigned long) (b)[(i) ] ) \ | ( (unsigned long) (b)[(i) + 1] << 8 ) \ @@ -59,8 +57,8 @@ } #endif -#ifndef PUT_UINT32_LE -#define PUT_UINT32_LE(n,b,i) \ +#ifndef PUT_ULONG_LE +#define PUT_ULONG_LE(n,b,i) \ { \ (b)[(i) ] = (unsigned char) ( (n) ); \ (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \ @@ -87,22 +85,22 @@ static inline void md5_process( md5_context *ctx, unsigned char data[64] ) { unsigned long X[16], A, B, C, D; - GET_UINT32_LE( X[ 0], data, 0 ); - GET_UINT32_LE( X[ 1], data, 4 ); - GET_UINT32_LE( X[ 2], data, 8 ); - GET_UINT32_LE( X[ 3], data, 12 ); - GET_UINT32_LE( X[ 4], data, 16 ); - GET_UINT32_LE( X[ 5], data, 20 ); - GET_UINT32_LE( X[ 6], data, 24 ); - GET_UINT32_LE( X[ 7], data, 28 ); - GET_UINT32_LE( X[ 8], data, 32 ); - GET_UINT32_LE( X[ 9], data, 36 ); - GET_UINT32_LE( X[10], data, 40 ); - GET_UINT32_LE( X[11], data, 44 ); - GET_UINT32_LE( X[12], data, 48 ); - GET_UINT32_LE( X[13], data, 52 ); - GET_UINT32_LE( X[14], data, 56 ); - GET_UINT32_LE( X[15], data, 60 ); + GET_ULONG_LE( X[ 0], data, 0 ); + GET_ULONG_LE( X[ 1], data, 4 ); + GET_ULONG_LE( X[ 2], data, 8 ); + GET_ULONG_LE( X[ 3], data, 12 ); + GET_ULONG_LE( X[ 4], data, 16 ); + GET_ULONG_LE( X[ 5], data, 20 ); + GET_ULONG_LE( X[ 6], data, 24 ); + GET_ULONG_LE( X[ 7], data, 28 ); + GET_ULONG_LE( X[ 8], data, 32 ); + GET_ULONG_LE( X[ 9], data, 36 ); + GET_ULONG_LE( X[10], data, 40 ); + GET_ULONG_LE( X[11], data, 44 ); + GET_ULONG_LE( X[12], data, 48 ); + GET_ULONG_LE( X[13], data, 52 ); + GET_ULONG_LE( X[14], data, 56 ); + GET_ULONG_LE( X[15], data, 60 ); #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) @@ -250,7 +248,7 @@ static inline void md5_update( md5_context *ctx, unsigned char *input, int ilen } } -static unsigned char md5_padding[64] = +static const unsigned char md5_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, @@ -261,7 +259,7 @@ static unsigned char md5_padding[64] = /* * MD5 final digest */ -static inline void md5_finish( md5_context *ctx, unsigned char *output ) +static inline void md5_finish( md5_context *ctx, unsigned char output[16] ) { unsigned long last, padn; unsigned long high, low; @@ -271,8 +269,8 @@ static inline void md5_finish( md5_context *ctx, unsigned char *output ) | ( ctx->total[1] << 3 ); low = ( ctx->total[0] << 3 ); - PUT_UINT32_LE( low, msglen, 0 ); - PUT_UINT32_LE( high, msglen, 4 ); + PUT_ULONG_LE( low, msglen, 0 ); + PUT_ULONG_LE( high, msglen, 4 ); last = ctx->total[0] & 0x3F; padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); @@ -280,17 +278,16 @@ static inline void md5_finish( md5_context *ctx, unsigned char *output ) md5_update( ctx, (unsigned char *) md5_padding, padn ); md5_update( ctx, msglen, 8 ); - PUT_UINT32_LE( ctx->state[0], output, 0 ); - PUT_UINT32_LE( ctx->state[1], output, 4 ); - PUT_UINT32_LE( ctx->state[2], output, 8 ); - PUT_UINT32_LE( ctx->state[3], output, 12 ); + PUT_ULONG_LE( ctx->state[0], output, 0 ); + PUT_ULONG_LE( ctx->state[1], output, 4 ); + PUT_ULONG_LE( ctx->state[2], output, 8 ); + PUT_ULONG_LE( ctx->state[3], output, 12 ); } /* - * Output = MD5( input buffer ) + * output = MD5( input buffer ) */ -void md5( unsigned char *input, int ilen, - unsigned char *output ) +void md5( unsigned char *input, int ilen, unsigned char output[16] ) { md5_context ctx; @@ -302,9 +299,9 @@ void md5( unsigned char *input, int ilen, } /* - * Output = MD5( file contents ) + * output = MD5( file contents ) */ -int md5_file( const char *path, unsigned char *output ) +int md5_file( const char *path, unsigned char output[16] ) { FILE *f; size_t n; |