2001-07-13 16:06:14 -04:00
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/* $NetBSD: sha1.c,v 1.2 2001/03/22 09:51:48 agc Exp $ */
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/* $OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $ */
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/* $RoughId: sha1.c,v 1.2 2001/07/13 19:49:10 knu Exp $ */
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/* $Id$ */
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/*
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* SHA-1 in C
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* By Steve Reid <steve@edmweb.com>
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* 100% Public Domain
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*
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* Test Vectors (from FIPS PUB 180-1)
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* "abc"
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* A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
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* "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
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* 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
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* A million repetitions of "a"
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* 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
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*/
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#include "sha1.h"
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#define SHA1HANDSOFF /* Copies data before messing with it. */
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#if defined(_KERNEL) || defined(_STANDALONE)
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#include <sys/param.h>
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#include <sys/systm.h>
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#define _DIAGASSERT(x) (void)0
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#else
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/* #include "namespace.h" */
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#include <assert.h>
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#include <string.h>
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#endif
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#ifndef _DIAGASSERT
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#define _DIAGASSERT(cond) assert(cond)
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#endif
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/*
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* XXX Kludge until there is resolution regarding mem*() functions
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* XXX in the kernel.
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*/
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#if defined(_KERNEL) || defined(_STANDALONE)
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#define memcpy(s, d, l) bcopy((d), (s), (l))
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#endif
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#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
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/*
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* blk0() and blk() perform the initial expand.
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* I got the idea of expanding during the round function from SSLeay
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*/
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#ifndef WORDS_BIGENDIAN
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# define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
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|(rol(block->l[i],8)&0x00FF00FF))
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#else
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# define blk0(i) block->l[i]
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#endif
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#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
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^block->l[(i+2)&15]^block->l[i&15],1))
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/*
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* (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
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*/
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#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
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#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
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#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
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#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
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#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
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typedef union {
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uint8_t c[64];
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uint32_t l[16];
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} CHAR64LONG16;
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#ifdef __sparc_v9__
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void do_R01(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *);
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void do_R2(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *);
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void do_R3(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *);
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void do_R4(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *);
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#define nR0(v,w,x,y,z,i) R0(*v,*w,*x,*y,*z,i)
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#define nR1(v,w,x,y,z,i) R1(*v,*w,*x,*y,*z,i)
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#define nR2(v,w,x,y,z,i) R2(*v,*w,*x,*y,*z,i)
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#define nR3(v,w,x,y,z,i) R3(*v,*w,*x,*y,*z,i)
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#define nR4(v,w,x,y,z,i) R4(*v,*w,*x,*y,*z,i)
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void
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do_R01(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *block)
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{
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nR0(a,b,c,d,e, 0); nR0(e,a,b,c,d, 1); nR0(d,e,a,b,c, 2); nR0(c,d,e,a,b, 3);
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nR0(b,c,d,e,a, 4); nR0(a,b,c,d,e, 5); nR0(e,a,b,c,d, 6); nR0(d,e,a,b,c, 7);
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nR0(c,d,e,a,b, 8); nR0(b,c,d,e,a, 9); nR0(a,b,c,d,e,10); nR0(e,a,b,c,d,11);
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nR0(d,e,a,b,c,12); nR0(c,d,e,a,b,13); nR0(b,c,d,e,a,14); nR0(a,b,c,d,e,15);
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nR1(e,a,b,c,d,16); nR1(d,e,a,b,c,17); nR1(c,d,e,a,b,18); nR1(b,c,d,e,a,19);
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}
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void
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do_R2(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *block)
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{
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nR2(a,b,c,d,e,20); nR2(e,a,b,c,d,21); nR2(d,e,a,b,c,22); nR2(c,d,e,a,b,23);
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nR2(b,c,d,e,a,24); nR2(a,b,c,d,e,25); nR2(e,a,b,c,d,26); nR2(d,e,a,b,c,27);
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nR2(c,d,e,a,b,28); nR2(b,c,d,e,a,29); nR2(a,b,c,d,e,30); nR2(e,a,b,c,d,31);
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nR2(d,e,a,b,c,32); nR2(c,d,e,a,b,33); nR2(b,c,d,e,a,34); nR2(a,b,c,d,e,35);
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nR2(e,a,b,c,d,36); nR2(d,e,a,b,c,37); nR2(c,d,e,a,b,38); nR2(b,c,d,e,a,39);
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}
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void
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do_R3(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *block)
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{
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nR3(a,b,c,d,e,40); nR3(e,a,b,c,d,41); nR3(d,e,a,b,c,42); nR3(c,d,e,a,b,43);
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nR3(b,c,d,e,a,44); nR3(a,b,c,d,e,45); nR3(e,a,b,c,d,46); nR3(d,e,a,b,c,47);
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nR3(c,d,e,a,b,48); nR3(b,c,d,e,a,49); nR3(a,b,c,d,e,50); nR3(e,a,b,c,d,51);
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nR3(d,e,a,b,c,52); nR3(c,d,e,a,b,53); nR3(b,c,d,e,a,54); nR3(a,b,c,d,e,55);
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nR3(e,a,b,c,d,56); nR3(d,e,a,b,c,57); nR3(c,d,e,a,b,58); nR3(b,c,d,e,a,59);
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}
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void
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do_R4(uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d, uint32_t *e, CHAR64LONG16 *block)
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{
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nR4(a,b,c,d,e,60); nR4(e,a,b,c,d,61); nR4(d,e,a,b,c,62); nR4(c,d,e,a,b,63);
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nR4(b,c,d,e,a,64); nR4(a,b,c,d,e,65); nR4(e,a,b,c,d,66); nR4(d,e,a,b,c,67);
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nR4(c,d,e,a,b,68); nR4(b,c,d,e,a,69); nR4(a,b,c,d,e,70); nR4(e,a,b,c,d,71);
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nR4(d,e,a,b,c,72); nR4(c,d,e,a,b,73); nR4(b,c,d,e,a,74); nR4(a,b,c,d,e,75);
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nR4(e,a,b,c,d,76); nR4(d,e,a,b,c,77); nR4(c,d,e,a,b,78); nR4(b,c,d,e,a,79);
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}
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#endif
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/*
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* Hash a single 512-bit block. This is the core of the algorithm.
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*/
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* ext/digest/digest.[ch]: Since the argument order of
hash_final_func_t was inconsistent with others, change it and
rename to hash_finish_func_t to avoid confusion.
* ext/digest/digest.[ch]: Remove and eliminate the use of
hash_end_func_t. Implement hexdigest conversion in the base
class.
* ext/digest/md5/md5.c, ext/digest/md5/md5.h,
ext/digest/md5/md5init.c, ext/digest/md5/md5ossl.c,
ext/digest/md5/md5ossl.h: Remove MD5_End() and change
MD5_Final() to MD5_Finish().
* ext/digest/rmd160/depend, ext/digest/rmd160/extconf.rb,
ext/digest/rmd160/rmd160.c, ext/digest/rmd160/rmd160.h,
ext/digest/rmd160/rmd160hl.c, ext/digest/rmd160/rmd160init.c,
ext/digest/rmd160/rmd160ossl.c, ext/digest/rmd160/rmd160ossl.h:
Remove unused functions RMD160_End(), RMD160_File(),
RMD160_Data() and change RMD160_Final() to RMD160_Finish().
* ext/digest/sha1/extconf.rb, ext/digest/sha1/sha1.c,
ext/digest/sha1/sha1.h, ext/digest/sha1/sha1hl.c,
ext/digest/sha1/sha1init.c, ext/digest/sha1/sha1ossl.c,
ext/digest/sha1/sha1ossl.h: Likewise.
* ext/digest/sha2/extconf.rb, ext/digest/sha2/sha2.c,
ext/digest/sha2/sha2.h, ext/digest/sha2/sha2hl.c,
ext/digest/sha2/sha2init.c: Likewise.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2006-10-05 07:09:42 -04:00
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void SHA1_Transform(uint32_t state[5], const uint8_t buffer[64])
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2001-07-13 16:06:14 -04:00
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{
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uint32_t a, b, c, d, e;
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CHAR64LONG16 *block;
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#ifdef SHA1HANDSOFF
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CHAR64LONG16 workspace;
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#endif
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_DIAGASSERT(buffer != 0);
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_DIAGASSERT(state != 0);
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#ifdef SHA1HANDSOFF
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block = &workspace;
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(void)memcpy(block, buffer, 64);
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#else
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block = (CHAR64LONG16 *)(void *)buffer;
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#endif
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/* Copy context->state[] to working vars */
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a = state[0];
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b = state[1];
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c = state[2];
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d = state[3];
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e = state[4];
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#ifdef __sparc_v9__
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do_R01(&a, &b, &c, &d, &e, block);
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do_R2(&a, &b, &c, &d, &e, block);
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do_R3(&a, &b, &c, &d, &e, block);
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do_R4(&a, &b, &c, &d, &e, block);
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#else
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/* 4 rounds of 20 operations each. Loop unrolled. */
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R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
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R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
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R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
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R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
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R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
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R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
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R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
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R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
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R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
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R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
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R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
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R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
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R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
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R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
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R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
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R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
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R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
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R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
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R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
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R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
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#endif
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/* Add the working vars back into context.state[] */
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state[0] += a;
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state[1] += b;
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state[2] += c;
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state[3] += d;
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state[4] += e;
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/* Wipe variables */
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a = b = c = d = e = 0;
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}
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/*
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* SHA1_Init - Initialize new context
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*/
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2014-07-15 10:59:20 -04:00
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int SHA1_Init(SHA1_CTX *context)
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2001-07-13 16:06:14 -04:00
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{
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_DIAGASSERT(context != 0);
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/* SHA1 initialization constants */
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context->state[0] = 0x67452301;
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context->state[1] = 0xEFCDAB89;
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context->state[2] = 0x98BADCFE;
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context->state[3] = 0x10325476;
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context->state[4] = 0xC3D2E1F0;
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context->count[0] = context->count[1] = 0;
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2014-07-15 10:59:20 -04:00
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return 1;
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2001-07-13 16:06:14 -04:00
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}
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/*
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* Run your data through this.
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|
|
*/
|
* ext/digest/digest.[ch]: Since the argument order of
hash_final_func_t was inconsistent with others, change it and
rename to hash_finish_func_t to avoid confusion.
* ext/digest/digest.[ch]: Remove and eliminate the use of
hash_end_func_t. Implement hexdigest conversion in the base
class.
* ext/digest/md5/md5.c, ext/digest/md5/md5.h,
ext/digest/md5/md5init.c, ext/digest/md5/md5ossl.c,
ext/digest/md5/md5ossl.h: Remove MD5_End() and change
MD5_Final() to MD5_Finish().
* ext/digest/rmd160/depend, ext/digest/rmd160/extconf.rb,
ext/digest/rmd160/rmd160.c, ext/digest/rmd160/rmd160.h,
ext/digest/rmd160/rmd160hl.c, ext/digest/rmd160/rmd160init.c,
ext/digest/rmd160/rmd160ossl.c, ext/digest/rmd160/rmd160ossl.h:
Remove unused functions RMD160_End(), RMD160_File(),
RMD160_Data() and change RMD160_Final() to RMD160_Finish().
* ext/digest/sha1/extconf.rb, ext/digest/sha1/sha1.c,
ext/digest/sha1/sha1.h, ext/digest/sha1/sha1hl.c,
ext/digest/sha1/sha1init.c, ext/digest/sha1/sha1ossl.c,
ext/digest/sha1/sha1ossl.h: Likewise.
* ext/digest/sha2/extconf.rb, ext/digest/sha2/sha2.c,
ext/digest/sha2/sha2.h, ext/digest/sha2/sha2hl.c,
ext/digest/sha2/sha2init.c: Likewise.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11086 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2006-10-05 07:09:42 -04:00
|
|
|
void SHA1_Update(SHA1_CTX *context, const uint8_t *data, size_t len)
|
2001-07-13 16:06:14 -04:00
|
|
|
{
|
|
|
|
uint32_t i, j;
|
|
|
|
|
|
|
|
_DIAGASSERT(context != 0);
|
|
|
|
_DIAGASSERT(data != 0);
|
|
|
|
|
|
|
|
j = context->count[0];
|
|
|
|
if ((context->count[0] += len << 3) < j)
|
|
|
|
context->count[1] += (len>>29)+1;
|
|
|
|
j = (j >> 3) & 63;
|
|
|
|
if ((j + len) > 63) {
|
|
|
|
(void)memcpy(&context->buffer[j], data, (i = 64-j));
|
|
|
|
SHA1_Transform(context->state, context->buffer);
|
|
|
|
for ( ; i + 63 < len; i += 64)
|
|
|
|
SHA1_Transform(context->state, &data[i]);
|
|
|
|
j = 0;
|
|
|
|
} else {
|
|
|
|
i = 0;
|
|
|
|
}
|
|
|
|
(void)memcpy(&context->buffer[j], &data[i], len - i);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Add padding and return the message digest.
|
|
|
|
*/
|
2014-07-15 10:59:20 -04:00
|
|
|
int SHA1_Finish(SHA1_CTX* context, uint8_t digest[20])
|
2001-07-13 16:06:14 -04:00
|
|
|
{
|
|
|
|
size_t i;
|
|
|
|
uint8_t finalcount[8];
|
|
|
|
|
|
|
|
_DIAGASSERT(digest != 0);
|
|
|
|
_DIAGASSERT(context != 0);
|
|
|
|
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
|
|
finalcount[i] = (uint8_t)((context->count[(i >= 4 ? 0 : 1)]
|
|
|
|
>> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */
|
|
|
|
}
|
|
|
|
SHA1_Update(context, (const uint8_t *)"\200", 1);
|
|
|
|
while ((context->count[0] & 504) != 448)
|
|
|
|
SHA1_Update(context, (const uint8_t *)"\0", 1);
|
|
|
|
SHA1_Update(context, finalcount, 8); /* Should cause a SHA1_Transform() */
|
|
|
|
|
|
|
|
if (digest) {
|
|
|
|
for (i = 0; i < 20; i++)
|
|
|
|
digest[i] = (uint8_t)
|
|
|
|
((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
|
|
|
|
}
|
2014-07-15 10:59:20 -04:00
|
|
|
return 1;
|
2001-07-13 16:06:14 -04:00
|
|
|
}
|