2016-05-17 18:52:22 +00:00
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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1998-12-21 10:52:47 +00:00
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*
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2016-05-17 18:52:22 +00:00
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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1998-12-21 10:52:47 +00:00
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*/
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#include <stdlib.h>
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#include <string.h>
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1999-05-27 00:17:53 +00:00
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#include <openssl/opensslconf.h>
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1999-09-05 12:42:04 +00:00
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#include <openssl/sha.h>
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1998-12-21 10:52:47 +00:00
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1999-09-05 12:42:04 +00:00
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#define DATA_ORDER_IS_BIG_ENDIAN
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#define HASH_LONG SHA_LONG
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#define HASH_CTX SHA_CTX
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#define HASH_CBLOCK SHA_CBLOCK
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2015-01-22 03:40:55 +00:00
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#define HASH_MAKE_STRING(c,s) do { \
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unsigned long ll; \
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ll=(c)->h0; (void)HOST_l2c(ll,(s)); \
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ll=(c)->h1; (void)HOST_l2c(ll,(s)); \
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ll=(c)->h2; (void)HOST_l2c(ll,(s)); \
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ll=(c)->h3; (void)HOST_l2c(ll,(s)); \
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ll=(c)->h4; (void)HOST_l2c(ll,(s)); \
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} while (0)
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1999-09-05 12:42:04 +00:00
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2015-01-27 17:34:45 +00:00
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#define HASH_UPDATE SHA1_Update
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#define HASH_TRANSFORM SHA1_Transform
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#define HASH_FINAL SHA1_Final
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#define HASH_INIT SHA1_Init
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#define HASH_BLOCK_DATA_ORDER sha1_block_data_order
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#define Xupdate(a,ix,ia,ib,ic,id) ( (a)=(ia^ib^ic^id), \
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2015-01-22 03:40:55 +00:00
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ix=(a)=ROTATE((a),1) \
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)
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1999-09-05 12:42:04 +00:00
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2015-01-27 17:34:45 +00:00
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#ifndef SHA1_ASM
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static void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num);
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1998-12-21 10:52:47 +00:00
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#else
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2015-01-27 17:34:45 +00:00
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void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num);
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1998-12-21 10:52:47 +00:00
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#endif
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1999-09-05 12:42:04 +00:00
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2015-05-14 14:56:48 +00:00
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#include "internal/md32_common.h"
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1998-12-21 10:52:47 +00:00
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1999-09-05 12:42:04 +00:00
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#define INIT_DATA_h0 0x67452301UL
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#define INIT_DATA_h1 0xefcdab89UL
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#define INIT_DATA_h2 0x98badcfeUL
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#define INIT_DATA_h3 0x10325476UL
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#define INIT_DATA_h4 0xc3d2e1f0UL
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2015-01-22 03:40:55 +00:00
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int HASH_INIT(SHA_CTX *c)
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{
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memset(c, 0, sizeof(*c));
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c->h0 = INIT_DATA_h0;
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c->h1 = INIT_DATA_h1;
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c->h2 = INIT_DATA_h2;
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c->h3 = INIT_DATA_h3;
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c->h4 = INIT_DATA_h4;
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return 1;
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}
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#define K_00_19 0x5a827999UL
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1999-09-05 12:42:04 +00:00
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#define K_20_39 0x6ed9eba1UL
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#define K_40_59 0x8f1bbcdcUL
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#define K_60_79 0xca62c1d6UL
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2015-01-22 03:40:55 +00:00
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/*
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2017-10-10 21:55:09 +00:00
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* As pointed out by Wei Dai, F() below can be simplified to the code in
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2017-11-12 00:03:10 +00:00
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* F_00_19. Wei attributes these optimizations to Peter Gutmann's SHS code,
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2017-10-10 21:55:09 +00:00
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* and he attributes it to Rich Schroeppel.
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* #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
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* I've just become aware of another tweak to be made, again from Wei Dai,
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* in F_40_59, (x&a)|(y&a) -> (x|y)&a
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1998-12-21 10:52:47 +00:00
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*/
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2015-01-22 03:40:55 +00:00
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#define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
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#define F_20_39(b,c,d) ((b) ^ (c) ^ (d))
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#define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d)))
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#define F_60_79(b,c,d) F_20_39(b,c,d)
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1998-12-21 10:52:47 +00:00
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2003-01-02 17:19:05 +00:00
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#ifndef OPENSSL_SMALL_FOOTPRINT
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2015-01-22 03:40:55 +00:00
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# define BODY_00_15(i,a,b,c,d,e,f,xi) \
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(f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
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(b)=ROTATE((b),30);
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# define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
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Xupdate(f,xi,xa,xb,xc,xd); \
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(f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
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(b)=ROTATE((b),30);
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# define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
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Xupdate(f,xi,xa,xb,xc,xd); \
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(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
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(b)=ROTATE((b),30);
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# define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \
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Xupdate(f,xa,xa,xb,xc,xd); \
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(f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
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(b)=ROTATE((b),30);
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# define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \
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Xupdate(f,xa,xa,xb,xc,xd); \
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(f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \
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(b)=ROTATE((b),30);
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# define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \
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Xupdate(f,xa,xa,xb,xc,xd); \
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(f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \
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(b)=ROTATE((b),30);
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# ifdef X
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# undef X
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# endif
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# ifndef MD32_XARRAY
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2000-02-12 23:33:01 +00:00
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/*
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* Originally X was an array. As it's automatic it's natural
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2016-02-05 20:23:54 +00:00
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* to expect RISC compiler to accommodate at least part of it in
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2000-02-12 23:33:01 +00:00
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* the register bank, isn't it? Unfortunately not all compilers
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* "find" this expectation reasonable:-( On order to make such
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* compilers generate better code I replace X[] with a bunch of
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* X0, X1, etc. See the function body below...
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*/
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2015-01-22 03:40:55 +00:00
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# define X(i) XX##i
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# else
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2000-02-12 23:33:01 +00:00
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/*
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* However! Some compilers (most notably HP C) get overwhelmed by
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* that many local variables so that we have to have the way to
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* fall down to the original behavior.
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*/
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2015-01-22 03:40:55 +00:00
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# define X(i) XX[i]
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# endif
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2015-01-27 17:34:45 +00:00
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# if !defined(SHA1_ASM)
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2015-01-22 03:40:55 +00:00
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static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num)
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{
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const unsigned char *data = p;
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register unsigned MD32_REG_T A, B, C, D, E, T, l;
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# ifndef MD32_XARRAY
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unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
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XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
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# else
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SHA_LONG XX[16];
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# endif
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A = c->h0;
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B = c->h1;
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C = c->h2;
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D = c->h3;
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E = c->h4;
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for (;;) {
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const union {
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long one;
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char little;
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} is_endian = {
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1
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};
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if (!is_endian.little && sizeof(SHA_LONG) == 4
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&& ((size_t)p % 4) == 0) {
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const SHA_LONG *W = (const SHA_LONG *)data;
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X(0) = W[0];
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X(1) = W[1];
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BODY_00_15(0, A, B, C, D, E, T, X(0));
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X(2) = W[2];
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BODY_00_15(1, T, A, B, C, D, E, X(1));
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X(3) = W[3];
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BODY_00_15(2, E, T, A, B, C, D, X(2));
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X(4) = W[4];
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BODY_00_15(3, D, E, T, A, B, C, X(3));
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X(5) = W[5];
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BODY_00_15(4, C, D, E, T, A, B, X(4));
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X(6) = W[6];
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BODY_00_15(5, B, C, D, E, T, A, X(5));
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X(7) = W[7];
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BODY_00_15(6, A, B, C, D, E, T, X(6));
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X(8) = W[8];
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BODY_00_15(7, T, A, B, C, D, E, X(7));
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X(9) = W[9];
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BODY_00_15(8, E, T, A, B, C, D, X(8));
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X(10) = W[10];
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BODY_00_15(9, D, E, T, A, B, C, X(9));
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X(11) = W[11];
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BODY_00_15(10, C, D, E, T, A, B, X(10));
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X(12) = W[12];
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BODY_00_15(11, B, C, D, E, T, A, X(11));
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X(13) = W[13];
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BODY_00_15(12, A, B, C, D, E, T, X(12));
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X(14) = W[14];
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BODY_00_15(13, T, A, B, C, D, E, X(13));
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X(15) = W[15];
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BODY_00_15(14, E, T, A, B, C, D, X(14));
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BODY_00_15(15, D, E, T, A, B, C, X(15));
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data += SHA_CBLOCK;
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} else {
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(void)HOST_c2l(data, l);
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X(0) = l;
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(void)HOST_c2l(data, l);
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X(1) = l;
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BODY_00_15(0, A, B, C, D, E, T, X(0));
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(void)HOST_c2l(data, l);
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X(2) = l;
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BODY_00_15(1, T, A, B, C, D, E, X(1));
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(void)HOST_c2l(data, l);
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X(3) = l;
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BODY_00_15(2, E, T, A, B, C, D, X(2));
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(void)HOST_c2l(data, l);
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X(4) = l;
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BODY_00_15(3, D, E, T, A, B, C, X(3));
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(void)HOST_c2l(data, l);
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X(5) = l;
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BODY_00_15(4, C, D, E, T, A, B, X(4));
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(void)HOST_c2l(data, l);
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X(6) = l;
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BODY_00_15(5, B, C, D, E, T, A, X(5));
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(void)HOST_c2l(data, l);
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X(7) = l;
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BODY_00_15(6, A, B, C, D, E, T, X(6));
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(void)HOST_c2l(data, l);
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X(8) = l;
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BODY_00_15(7, T, A, B, C, D, E, X(7));
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(void)HOST_c2l(data, l);
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X(9) = l;
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BODY_00_15(8, E, T, A, B, C, D, X(8));
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(void)HOST_c2l(data, l);
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X(10) = l;
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BODY_00_15(9, D, E, T, A, B, C, X(9));
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(void)HOST_c2l(data, l);
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X(11) = l;
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BODY_00_15(10, C, D, E, T, A, B, X(10));
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(void)HOST_c2l(data, l);
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X(12) = l;
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BODY_00_15(11, B, C, D, E, T, A, X(11));
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(void)HOST_c2l(data, l);
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X(13) = l;
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BODY_00_15(12, A, B, C, D, E, T, X(12));
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(void)HOST_c2l(data, l);
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X(14) = l;
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BODY_00_15(13, T, A, B, C, D, E, X(13));
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(void)HOST_c2l(data, l);
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X(15) = l;
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BODY_00_15(14, E, T, A, B, C, D, X(14));
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BODY_00_15(15, D, E, T, A, B, C, X(15));
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}
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BODY_16_19(16, C, D, E, T, A, B, X(0), X(0), X(2), X(8), X(13));
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BODY_16_19(17, B, C, D, E, T, A, X(1), X(1), X(3), X(9), X(14));
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BODY_16_19(18, A, B, C, D, E, T, X(2), X(2), X(4), X(10), X(15));
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BODY_16_19(19, T, A, B, C, D, E, X(3), X(3), X(5), X(11), X(0));
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BODY_20_31(20, E, T, A, B, C, D, X(4), X(4), X(6), X(12), X(1));
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BODY_20_31(21, D, E, T, A, B, C, X(5), X(5), X(7), X(13), X(2));
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BODY_20_31(22, C, D, E, T, A, B, X(6), X(6), X(8), X(14), X(3));
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BODY_20_31(23, B, C, D, E, T, A, X(7), X(7), X(9), X(15), X(4));
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BODY_20_31(24, A, B, C, D, E, T, X(8), X(8), X(10), X(0), X(5));
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BODY_20_31(25, T, A, B, C, D, E, X(9), X(9), X(11), X(1), X(6));
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BODY_20_31(26, E, T, A, B, C, D, X(10), X(10), X(12), X(2), X(7));
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BODY_20_31(27, D, E, T, A, B, C, X(11), X(11), X(13), X(3), X(8));
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BODY_20_31(28, C, D, E, T, A, B, X(12), X(12), X(14), X(4), X(9));
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BODY_20_31(29, B, C, D, E, T, A, X(13), X(13), X(15), X(5), X(10));
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BODY_20_31(30, A, B, C, D, E, T, X(14), X(14), X(0), X(6), X(11));
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BODY_20_31(31, T, A, B, C, D, E, X(15), X(15), X(1), X(7), X(12));
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BODY_32_39(32, E, T, A, B, C, D, X(0), X(2), X(8), X(13));
|
|
|
|
BODY_32_39(33, D, E, T, A, B, C, X(1), X(3), X(9), X(14));
|
|
|
|
BODY_32_39(34, C, D, E, T, A, B, X(2), X(4), X(10), X(15));
|
|
|
|
BODY_32_39(35, B, C, D, E, T, A, X(3), X(5), X(11), X(0));
|
|
|
|
BODY_32_39(36, A, B, C, D, E, T, X(4), X(6), X(12), X(1));
|
|
|
|
BODY_32_39(37, T, A, B, C, D, E, X(5), X(7), X(13), X(2));
|
|
|
|
BODY_32_39(38, E, T, A, B, C, D, X(6), X(8), X(14), X(3));
|
|
|
|
BODY_32_39(39, D, E, T, A, B, C, X(7), X(9), X(15), X(4));
|
|
|
|
|
|
|
|
BODY_40_59(40, C, D, E, T, A, B, X(8), X(10), X(0), X(5));
|
|
|
|
BODY_40_59(41, B, C, D, E, T, A, X(9), X(11), X(1), X(6));
|
|
|
|
BODY_40_59(42, A, B, C, D, E, T, X(10), X(12), X(2), X(7));
|
|
|
|
BODY_40_59(43, T, A, B, C, D, E, X(11), X(13), X(3), X(8));
|
|
|
|
BODY_40_59(44, E, T, A, B, C, D, X(12), X(14), X(4), X(9));
|
|
|
|
BODY_40_59(45, D, E, T, A, B, C, X(13), X(15), X(5), X(10));
|
|
|
|
BODY_40_59(46, C, D, E, T, A, B, X(14), X(0), X(6), X(11));
|
|
|
|
BODY_40_59(47, B, C, D, E, T, A, X(15), X(1), X(7), X(12));
|
|
|
|
BODY_40_59(48, A, B, C, D, E, T, X(0), X(2), X(8), X(13));
|
|
|
|
BODY_40_59(49, T, A, B, C, D, E, X(1), X(3), X(9), X(14));
|
|
|
|
BODY_40_59(50, E, T, A, B, C, D, X(2), X(4), X(10), X(15));
|
|
|
|
BODY_40_59(51, D, E, T, A, B, C, X(3), X(5), X(11), X(0));
|
|
|
|
BODY_40_59(52, C, D, E, T, A, B, X(4), X(6), X(12), X(1));
|
|
|
|
BODY_40_59(53, B, C, D, E, T, A, X(5), X(7), X(13), X(2));
|
|
|
|
BODY_40_59(54, A, B, C, D, E, T, X(6), X(8), X(14), X(3));
|
|
|
|
BODY_40_59(55, T, A, B, C, D, E, X(7), X(9), X(15), X(4));
|
|
|
|
BODY_40_59(56, E, T, A, B, C, D, X(8), X(10), X(0), X(5));
|
|
|
|
BODY_40_59(57, D, E, T, A, B, C, X(9), X(11), X(1), X(6));
|
|
|
|
BODY_40_59(58, C, D, E, T, A, B, X(10), X(12), X(2), X(7));
|
|
|
|
BODY_40_59(59, B, C, D, E, T, A, X(11), X(13), X(3), X(8));
|
|
|
|
|
|
|
|
BODY_60_79(60, A, B, C, D, E, T, X(12), X(14), X(4), X(9));
|
|
|
|
BODY_60_79(61, T, A, B, C, D, E, X(13), X(15), X(5), X(10));
|
|
|
|
BODY_60_79(62, E, T, A, B, C, D, X(14), X(0), X(6), X(11));
|
|
|
|
BODY_60_79(63, D, E, T, A, B, C, X(15), X(1), X(7), X(12));
|
|
|
|
BODY_60_79(64, C, D, E, T, A, B, X(0), X(2), X(8), X(13));
|
|
|
|
BODY_60_79(65, B, C, D, E, T, A, X(1), X(3), X(9), X(14));
|
|
|
|
BODY_60_79(66, A, B, C, D, E, T, X(2), X(4), X(10), X(15));
|
|
|
|
BODY_60_79(67, T, A, B, C, D, E, X(3), X(5), X(11), X(0));
|
|
|
|
BODY_60_79(68, E, T, A, B, C, D, X(4), X(6), X(12), X(1));
|
|
|
|
BODY_60_79(69, D, E, T, A, B, C, X(5), X(7), X(13), X(2));
|
|
|
|
BODY_60_79(70, C, D, E, T, A, B, X(6), X(8), X(14), X(3));
|
|
|
|
BODY_60_79(71, B, C, D, E, T, A, X(7), X(9), X(15), X(4));
|
|
|
|
BODY_60_79(72, A, B, C, D, E, T, X(8), X(10), X(0), X(5));
|
|
|
|
BODY_60_79(73, T, A, B, C, D, E, X(9), X(11), X(1), X(6));
|
|
|
|
BODY_60_79(74, E, T, A, B, C, D, X(10), X(12), X(2), X(7));
|
|
|
|
BODY_60_79(75, D, E, T, A, B, C, X(11), X(13), X(3), X(8));
|
|
|
|
BODY_60_79(76, C, D, E, T, A, B, X(12), X(14), X(4), X(9));
|
|
|
|
BODY_60_79(77, B, C, D, E, T, A, X(13), X(15), X(5), X(10));
|
|
|
|
BODY_60_79(78, A, B, C, D, E, T, X(14), X(0), X(6), X(11));
|
|
|
|
BODY_60_79(79, T, A, B, C, D, E, X(15), X(1), X(7), X(12));
|
|
|
|
|
|
|
|
c->h0 = (c->h0 + E) & 0xffffffffL;
|
|
|
|
c->h1 = (c->h1 + T) & 0xffffffffL;
|
|
|
|
c->h2 = (c->h2 + A) & 0xffffffffL;
|
|
|
|
c->h3 = (c->h3 + B) & 0xffffffffL;
|
|
|
|
c->h4 = (c->h4 + C) & 0xffffffffL;
|
|
|
|
|
|
|
|
if (--num == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
A = c->h0;
|
|
|
|
B = c->h1;
|
|
|
|
C = c->h2;
|
|
|
|
D = c->h3;
|
|
|
|
E = c->h4;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
# endif
|
|
|
|
|
|
|
|
#else /* OPENSSL_SMALL_FOOTPRINT */
|
|
|
|
|
|
|
|
# define BODY_00_15(xi) do { \
|
|
|
|
T=E+K_00_19+F_00_19(B,C,D); \
|
|
|
|
E=D, D=C, C=ROTATE(B,30), B=A; \
|
|
|
|
A=ROTATE(A,5)+T+xi; } while(0)
|
|
|
|
|
|
|
|
# define BODY_16_19(xa,xb,xc,xd) do { \
|
|
|
|
Xupdate(T,xa,xa,xb,xc,xd); \
|
|
|
|
T+=E+K_00_19+F_00_19(B,C,D); \
|
|
|
|
E=D, D=C, C=ROTATE(B,30), B=A; \
|
|
|
|
A=ROTATE(A,5)+T; } while(0)
|
|
|
|
|
|
|
|
# define BODY_20_39(xa,xb,xc,xd) do { \
|
|
|
|
Xupdate(T,xa,xa,xb,xc,xd); \
|
|
|
|
T+=E+K_20_39+F_20_39(B,C,D); \
|
|
|
|
E=D, D=C, C=ROTATE(B,30), B=A; \
|
|
|
|
A=ROTATE(A,5)+T; } while(0)
|
|
|
|
|
|
|
|
# define BODY_40_59(xa,xb,xc,xd) do { \
|
|
|
|
Xupdate(T,xa,xa,xb,xc,xd); \
|
|
|
|
T+=E+K_40_59+F_40_59(B,C,D); \
|
|
|
|
E=D, D=C, C=ROTATE(B,30), B=A; \
|
|
|
|
A=ROTATE(A,5)+T; } while(0)
|
|
|
|
|
|
|
|
# define BODY_60_79(xa,xb,xc,xd) do { \
|
|
|
|
Xupdate(T,xa,xa,xb,xc,xd); \
|
|
|
|
T=E+K_60_79+F_60_79(B,C,D); \
|
|
|
|
E=D, D=C, C=ROTATE(B,30), B=A; \
|
|
|
|
A=ROTATE(A,5)+T+xa; } while(0)
|
|
|
|
|
2015-01-27 17:34:45 +00:00
|
|
|
# if !defined(SHA1_ASM)
|
2015-01-22 03:40:55 +00:00
|
|
|
static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num)
|
|
|
|
{
|
|
|
|
const unsigned char *data = p;
|
|
|
|
register unsigned MD32_REG_T A, B, C, D, E, T, l;
|
|
|
|
int i;
|
|
|
|
SHA_LONG X[16];
|
|
|
|
|
|
|
|
A = c->h0;
|
|
|
|
B = c->h1;
|
|
|
|
C = c->h2;
|
|
|
|
D = c->h3;
|
|
|
|
E = c->h4;
|
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
for (i = 0; i < 16; i++) {
|
2016-02-25 23:19:06 +00:00
|
|
|
(void)HOST_c2l(data, l);
|
2015-01-22 03:40:55 +00:00
|
|
|
X[i] = l;
|
|
|
|
BODY_00_15(X[i]);
|
|
|
|
}
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
BODY_16_19(X[i], X[i + 2], X[i + 8], X[(i + 13) & 15]);
|
|
|
|
}
|
|
|
|
for (; i < 24; i++) {
|
|
|
|
BODY_20_39(X[i & 15], X[(i + 2) & 15], X[(i + 8) & 15],
|
|
|
|
X[(i + 13) & 15]);
|
|
|
|
}
|
|
|
|
for (i = 0; i < 20; i++) {
|
|
|
|
BODY_40_59(X[(i + 8) & 15], X[(i + 10) & 15], X[i & 15],
|
|
|
|
X[(i + 5) & 15]);
|
|
|
|
}
|
|
|
|
for (i = 4; i < 24; i++) {
|
|
|
|
BODY_60_79(X[(i + 8) & 15], X[(i + 10) & 15], X[i & 15],
|
|
|
|
X[(i + 5) & 15]);
|
|
|
|
}
|
|
|
|
|
|
|
|
c->h0 = (c->h0 + A) & 0xffffffffL;
|
|
|
|
c->h1 = (c->h1 + B) & 0xffffffffL;
|
|
|
|
c->h2 = (c->h2 + C) & 0xffffffffL;
|
|
|
|
c->h3 = (c->h3 + D) & 0xffffffffL;
|
|
|
|
c->h4 = (c->h4 + E) & 0xffffffffL;
|
|
|
|
|
|
|
|
if (--num == 0)
|
|
|
|
break;
|
|
|
|
|
|
|
|
A = c->h0;
|
|
|
|
B = c->h1;
|
|
|
|
C = c->h2;
|
|
|
|
D = c->h3;
|
|
|
|
E = c->h4;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
# endif
|
2003-01-02 17:19:05 +00:00
|
|
|
|
|
|
|
#endif
|