From dc7599fd5fe2aca8caeb01201967394e411a89b0 Mon Sep 17 00:00:00 2001 From: erickson Date: Mon, 6 Jun 2005 15:41:39 +0000 Subject: [PATCH] moved to utils git-svn-id: svn://svn.open-ils.org/OpenSRF/trunk@315 9efc2488-bf62-4759-914b-345cdb29e865 --- src/libtransport/sha.c | 262 ----------------------------------------- 1 file changed, 262 deletions(-) delete mode 100644 src/libtransport/sha.c diff --git a/src/libtransport/sha.c b/src/libtransport/sha.c deleted file mode 100644 index 05cf14b..0000000 --- a/src/libtransport/sha.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * 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 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. - * - * Gabber - * Copyright (C) 1999-2000 Dave Smith & Julian Missig - */ - - -/* - Implements the Secure Hash Algorithm (SHA1) - - Copyright (C) 1999 Scott G. Miller - - Released under the terms of the GNU General Public License v2 - see file COPYING for details - - Credits: - Robert Klep -- Expansion function fix - Thomas "temas" Muldowney : - -- shahash() for string fun - -- Will add the int32 stuff in a few - - --- - FIXME: This source takes int to be a 32 bit integer. This - may vary from system to system. I'd use autoconf if I was familiar - with it. Anyone want to help me out? -*/ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include -#include -#ifdef MACOS -# include -#else -# include -# include -#endif - -#include - -#ifndef WIN32 -# include -# define INT64 long long -#else -# include -# define snprintf _snprintf -# define INT64 __int64 -#endif - -#define switch_endianness(x) (x<<24 & 0xff000000) | \ - (x<<8 & 0x00ff0000) | \ - (x>>8 & 0x0000ff00) | \ - (x>>24 & 0x000000ff) - -/* Initial hash values */ -#define Ai 0x67452301 -#define Bi 0xefcdab89 -#define Ci 0x98badcfe -#define Di 0x10325476 -#define Ei 0xc3d2e1f0 - -/* SHA1 round constants */ -#define K1 0x5a827999 -#define K2 0x6ed9eba1 -#define K3 0x8f1bbcdc -#define K4 0xca62c1d6 - -/* Round functions. Note that f2() is used in both rounds 2 and 4 */ -#define f1(B,C,D) ((B & C) | ((~B) & D)) -#define f2(B,C,D) (B ^ C ^ D) -#define f3(B,C,D) ((B & C) | (B & D) | (C & D)) - -/* left circular shift functions (rotate left) */ -#define rol1(x) ((x<<1) | ((x>>31) & 1)) -#define rol5(A) ((A<<5) | ((A>>27) & 0x1f)) -#define rol30(B) ((B<<30) | ((B>>2) & 0x3fffffff)) - -/* - Hashes 'data', which should be a pointer to 512 bits of data (sixteen - 32 bit ints), into the ongoing 160 bit hash value (five 32 bit ints) - 'hash' -*/ -int -sha_hash(int *data, int *hash) -{ - int W[80]; - unsigned int A=hash[0], B=hash[1], C=hash[2], D=hash[3], E=hash[4]; - unsigned int t, x, TEMP; - - for (t=0; t<16; t++) - { -#ifndef WORDS_BIGENDIAN - W[t]=switch_endianness(data[t]); -#else - W[t]=data[t]; -#endif - } - - - /* SHA1 Data expansion */ - for (t=16; t<80; t++) - { - x=W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16]; - W[t]=rol1(x); - } - - /* SHA1 main loop (t=0 to 79) - This is broken down into four subloops in order to use - the correct round function and constant */ - for (t=0; t<20; t++) - { - TEMP=rol5(A) + f1(B,C,D) + E + W[t] + K1; - E=D; - D=C; - C=rol30(B); - B=A; - A=TEMP; - } - for (; t<40; t++) - { - TEMP=rol5(A) + f2(B,C,D) + E + W[t] + K2; - E=D; - D=C; - C=rol30(B); - B=A; - A=TEMP; - } - for (; t<60; t++) - { - TEMP=rol5(A) + f3(B,C,D) + E + W[t] + K3; - E=D; - D=C; - C=rol30(B); - B=A; - A=TEMP; - } - for (; t<80; t++) - { - TEMP=rol5(A) + f2(B,C,D) + E + W[t] + K4; - E=D; - D=C; - C=rol30(B); - B=A; - A=TEMP; - } - hash[0]+=A; - hash[1]+=B; - hash[2]+=C; - hash[3]+=D; - hash[4]+=E; - return 0; -} - -/* - Takes a pointer to a 160 bit block of data (five 32 bit ints) and - intializes it to the start constants of the SHA1 algorithm. This - must be called before using hash in the call to sha_hash -*/ -int -sha_init(int *hash) -{ - hash[0]=Ai; - hash[1]=Bi; - hash[2]=Ci; - hash[3]=Di; - hash[4]=Ei; - return 0; -} - -int strprintsha(char *dest, int *hashval) -{ - int x; - char *hashstr = dest; - for (x=0; x<5; x++) - { - snprintf(hashstr, 9, "%08x", hashval[x]); - hashstr+=8; - } - snprintf(hashstr++, 1, "\0"); - - return 0; -} - -char *shahash(const char *str) -{ - char read_buffer[65]; - //int read_buffer[64]; - int c=1, i; - - INT64 length=0; - - int strsz; - static char final[40]; - int *hashval; - - hashval = (int *)malloc(20); - - sha_init(hashval); - - strsz = strlen(str); - - if(strsz == 0) - { - memset(read_buffer, 0, 65); - read_buffer[0] = 0x80; - sha_hash((int *)read_buffer, hashval); - } - - while (strsz>0) - { - memset(read_buffer, 0, 65); - strncpy((char*)read_buffer, str, 64); - c = strlen((char *)read_buffer); - length+=c; - strsz-=c; - if (strsz<=0) - { - length<<=3; - read_buffer[c]=(char)0x80; - for (i=c+1; i<64; i++) - read_buffer[i]=0; - if (c>55) - { - /* we need to do an entire new block */ - sha_hash((int *)read_buffer, hashval); - for (i=0; i<14; i++) - ((int*)read_buffer)[i]=0; - } -#ifndef WORDS_BIGENDIAN - for (i=0; i<8; i++) - { - read_buffer[56+i]=(char)(length>>(56-(i*8))) & 0xff; - } -#else - memcpy(read_buffer+56, &length, 8); -#endif - } - - sha_hash((int *)read_buffer, hashval); - str+=64; - } - - strprintsha((char *)final, hashval); - free(hashval); - return (char *)final; -} -- 2.43.2