From c4b8798f23649899a1464de17bd0b9b7b51f1fd5 Mon Sep 17 00:00:00 2001 From: Aaron Griffin Date: Sun, 15 Oct 2006 22:20:21 +0000 Subject: Added sha1 support (for now?) --- lib/libalpm/sha1.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 lib/libalpm/sha1.h (limited to 'lib/libalpm/sha1.h') diff --git a/lib/libalpm/sha1.h b/lib/libalpm/sha1.h new file mode 100644 index 00000000..22530eb9 --- /dev/null +++ b/lib/libalpm/sha1.h @@ -0,0 +1,60 @@ +/* Declarations of functions and data types used for SHA1 sum + library functions. + Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc. + + 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, or (at your option) any + later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include +#include + +#define rol(x,n) ( ((x) << (n)) | ((x) >> (32 -(n))) ) +/* The code below is from md5.h (from coreutils), little modifications */ +#define UINT_MAX_32_BITS 4294967295U + +#if UINT_MAX == UINT_MAX_32_BITS + typedef unsigned int sha_uint32; +#else +#if USHRT_MAX == UINT_MAX_32_BITS + typedef unsigned short sha_uint32; +#else +#if ULONG_MAX == UINT_MAX_32_BITS + typedef unsigned long sha_uint32; +#else + /* The following line is intended to evoke an error. Using #error is not portable enough. */ +#error "Cannot determine unsigned 32-bit data type" +#endif +#endif +#endif +/* We have to make a guess about the integer type equivalent in size + to pointers which should always be correct. */ +typedef unsigned long int sha_uintptr; + +/* Structure to save state of computation between the single steps. */ +struct sha_ctx +{ + sha_uint32 A; + sha_uint32 B; + sha_uint32 C; + sha_uint32 D; + sha_uint32 E; + + sha_uint32 total[2]; + sha_uint32 buflen; + char buffer[128]; +}; + + +/* Needed for pacman */ +char *_alpm_SHAFile (char *); -- cgit v1.2.3