[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdlib.h>
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| 11 | #include <string.h>
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| 12 |
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| 13 | #include <openssl/opensslconf.h>
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| 14 | #include <openssl/sha.h>
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| 15 |
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| 16 | #define DATA_ORDER_IS_BIG_ENDIAN
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| 17 |
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| 18 | #define HASH_LONG SHA_LONG
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| 19 | #define HASH_CTX SHA_CTX
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| 20 | #define HASH_CBLOCK SHA_CBLOCK
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| 21 | #define HASH_MAKE_STRING(c,s) do { \
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| 22 | unsigned long ll; \
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| 23 | ll=(c)->h0; (void)HOST_l2c(ll,(s)); \
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| 24 | ll=(c)->h1; (void)HOST_l2c(ll,(s)); \
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| 25 | ll=(c)->h2; (void)HOST_l2c(ll,(s)); \
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| 26 | ll=(c)->h3; (void)HOST_l2c(ll,(s)); \
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| 27 | ll=(c)->h4; (void)HOST_l2c(ll,(s)); \
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| 28 | } while (0)
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| 29 |
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| 30 | #define HASH_UPDATE SHA1_Update
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| 31 | #define HASH_TRANSFORM SHA1_Transform
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| 32 | #define HASH_FINAL SHA1_Final
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| 33 | #define HASH_INIT SHA1_Init
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| 34 | #define HASH_BLOCK_DATA_ORDER sha1_block_data_order
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| 35 | #define Xupdate(a,ix,ia,ib,ic,id) ( (a)=(ia^ib^ic^id), \
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| 36 | ix=(a)=ROTATE((a),1) \
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| 37 | )
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| 38 |
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| 39 | #ifndef SHA1_ASM
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| 40 | static void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num);
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| 41 | #else
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| 42 | void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num);
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| 43 | #endif
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| 44 |
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| 45 | #include "internal/md32_common.h"
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| 46 |
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| 47 | #define INIT_DATA_h0 0x67452301UL
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| 48 | #define INIT_DATA_h1 0xefcdab89UL
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| 49 | #define INIT_DATA_h2 0x98badcfeUL
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| 50 | #define INIT_DATA_h3 0x10325476UL
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| 51 | #define INIT_DATA_h4 0xc3d2e1f0UL
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| 52 |
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| 53 | int HASH_INIT(SHA_CTX *c)
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| 54 | {
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| 55 | memset(c, 0, sizeof(*c));
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| 56 | c->h0 = INIT_DATA_h0;
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| 57 | c->h1 = INIT_DATA_h1;
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| 58 | c->h2 = INIT_DATA_h2;
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| 59 | c->h3 = INIT_DATA_h3;
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| 60 | c->h4 = INIT_DATA_h4;
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| 61 | return 1;
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| 62 | }
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| 63 |
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| 64 | #define K_00_19 0x5a827999UL
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| 65 | #define K_20_39 0x6ed9eba1UL
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| 66 | #define K_40_59 0x8f1bbcdcUL
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| 67 | #define K_60_79 0xca62c1d6UL
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| 68 |
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| 69 | /*
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| 70 | * As pointed out by Wei Dai <weidai@eskimo.com>, F() below can be simplified
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| 71 | * to the code in F_00_19. Wei attributes these optimisations to Peter
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| 72 | * Gutmann's SHS code, and he attributes it to Rich Schroeppel. #define
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| 73 | * F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) I've just become aware of another
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| 74 | * tweak to be made, again from Wei Dai, in F_40_59, (x&a)|(y&a) -> (x|y)&a
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| 75 | */
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| 76 | #define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
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| 77 | #define F_20_39(b,c,d) ((b) ^ (c) ^ (d))
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| 78 | #define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d)))
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| 79 | #define F_60_79(b,c,d) F_20_39(b,c,d)
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| 80 |
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| 81 | #ifndef OPENSSL_SMALL_FOOTPRINT
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| 82 |
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| 83 | # define BODY_00_15(i,a,b,c,d,e,f,xi) \
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| 84 | (f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
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| 85 | (b)=ROTATE((b),30);
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| 86 |
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| 87 | # define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
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| 88 | Xupdate(f,xi,xa,xb,xc,xd); \
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| 89 | (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \
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| 90 | (b)=ROTATE((b),30);
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| 91 |
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| 92 | # define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \
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| 93 | Xupdate(f,xi,xa,xb,xc,xd); \
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| 94 | (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
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| 95 | (b)=ROTATE((b),30);
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| 96 |
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| 97 | # define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \
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| 98 | Xupdate(f,xa,xa,xb,xc,xd); \
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| 99 | (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \
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| 100 | (b)=ROTATE((b),30);
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| 101 |
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| 102 | # define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \
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| 103 | Xupdate(f,xa,xa,xb,xc,xd); \
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| 104 | (f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \
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| 105 | (b)=ROTATE((b),30);
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| 106 |
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| 107 | # define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \
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| 108 | Xupdate(f,xa,xa,xb,xc,xd); \
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| 109 | (f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \
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| 110 | (b)=ROTATE((b),30);
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| 111 |
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| 112 | # ifdef X
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| 113 | # undef X
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| 114 | # endif
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| 115 | # ifndef MD32_XARRAY
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| 116 | /*
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| 117 | * Originally X was an array. As it's automatic it's natural
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| 118 | * to expect RISC compiler to accommodate at least part of it in
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| 119 | * the register bank, isn't it? Unfortunately not all compilers
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| 120 | * "find" this expectation reasonable:-( On order to make such
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| 121 | * compilers generate better code I replace X[] with a bunch of
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| 122 | * X0, X1, etc. See the function body below...
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| 123 | * <appro@fy.chalmers.se>
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| 124 | */
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| 125 | # define X(i) XX##i
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| 126 | # else
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| 127 | /*
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| 128 | * However! Some compilers (most notably HP C) get overwhelmed by
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| 129 | * that many local variables so that we have to have the way to
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| 130 | * fall down to the original behavior.
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| 131 | */
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| 132 | # define X(i) XX[i]
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| 133 | # endif
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| 134 |
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| 135 | # if !defined(SHA1_ASM)
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| 136 | static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num)
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| 137 | {
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| 138 | const unsigned char *data = p;
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| 139 | register unsigned MD32_REG_T A, B, C, D, E, T, l;
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| 140 | # ifndef MD32_XARRAY
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| 141 | unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
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| 142 | XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
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| 143 | # else
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| 144 | SHA_LONG XX[16];
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| 145 | # endif
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| 146 |
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| 147 | A = c->h0;
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| 148 | B = c->h1;
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| 149 | C = c->h2;
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| 150 | D = c->h3;
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| 151 | E = c->h4;
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| 152 |
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| 153 | for (;;) {
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| 154 | const union {
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| 155 | long one;
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| 156 | char little;
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| 157 | } is_endian = {
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| 158 | 1
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| 159 | };
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| 160 |
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| 161 | if (!is_endian.little && sizeof(SHA_LONG) == 4
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| 162 | && ((size_t)p % 4) == 0) {
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| 163 | const SHA_LONG *W = (const SHA_LONG *)data;
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| 164 |
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| 165 | X(0) = W[0];
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| 166 | X(1) = W[1];
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| 167 | BODY_00_15(0, A, B, C, D, E, T, X(0));
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| 168 | X(2) = W[2];
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| 169 | BODY_00_15(1, T, A, B, C, D, E, X(1));
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| 170 | X(3) = W[3];
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| 171 | BODY_00_15(2, E, T, A, B, C, D, X(2));
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| 172 | X(4) = W[4];
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| 173 | BODY_00_15(3, D, E, T, A, B, C, X(3));
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| 174 | X(5) = W[5];
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| 175 | BODY_00_15(4, C, D, E, T, A, B, X(4));
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| 176 | X(6) = W[6];
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| 177 | BODY_00_15(5, B, C, D, E, T, A, X(5));
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| 178 | X(7) = W[7];
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| 179 | BODY_00_15(6, A, B, C, D, E, T, X(6));
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| 180 | X(8) = W[8];
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| 181 | BODY_00_15(7, T, A, B, C, D, E, X(7));
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| 182 | X(9) = W[9];
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| 183 | BODY_00_15(8, E, T, A, B, C, D, X(8));
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| 184 | X(10) = W[10];
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| 185 | BODY_00_15(9, D, E, T, A, B, C, X(9));
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| 186 | X(11) = W[11];
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| 187 | BODY_00_15(10, C, D, E, T, A, B, X(10));
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| 188 | X(12) = W[12];
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| 189 | BODY_00_15(11, B, C, D, E, T, A, X(11));
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| 190 | X(13) = W[13];
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| 191 | BODY_00_15(12, A, B, C, D, E, T, X(12));
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| 192 | X(14) = W[14];
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| 193 | BODY_00_15(13, T, A, B, C, D, E, X(13));
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| 194 | X(15) = W[15];
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| 195 | BODY_00_15(14, E, T, A, B, C, D, X(14));
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| 196 | BODY_00_15(15, D, E, T, A, B, C, X(15));
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| 197 |
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| 198 | data += SHA_CBLOCK;
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| 199 | } else {
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| 200 | (void)HOST_c2l(data, l);
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| 201 | X(0) = l;
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| 202 | (void)HOST_c2l(data, l);
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| 203 | X(1) = l;
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| 204 | BODY_00_15(0, A, B, C, D, E, T, X(0));
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| 205 | (void)HOST_c2l(data, l);
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| 206 | X(2) = l;
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| 207 | BODY_00_15(1, T, A, B, C, D, E, X(1));
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| 208 | (void)HOST_c2l(data, l);
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| 209 | X(3) = l;
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| 210 | BODY_00_15(2, E, T, A, B, C, D, X(2));
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| 211 | (void)HOST_c2l(data, l);
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| 212 | X(4) = l;
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| 213 | BODY_00_15(3, D, E, T, A, B, C, X(3));
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| 214 | (void)HOST_c2l(data, l);
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| 215 | X(5) = l;
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| 216 | BODY_00_15(4, C, D, E, T, A, B, X(4));
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| 217 | (void)HOST_c2l(data, l);
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| 218 | X(6) = l;
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| 219 | BODY_00_15(5, B, C, D, E, T, A, X(5));
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| 220 | (void)HOST_c2l(data, l);
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| 221 | X(7) = l;
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| 222 | BODY_00_15(6, A, B, C, D, E, T, X(6));
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| 223 | (void)HOST_c2l(data, l);
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| 224 | X(8) = l;
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| 225 | BODY_00_15(7, T, A, B, C, D, E, X(7));
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| 226 | (void)HOST_c2l(data, l);
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| 227 | X(9) = l;
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| 228 | BODY_00_15(8, E, T, A, B, C, D, X(8));
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| 229 | (void)HOST_c2l(data, l);
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| 230 | X(10) = l;
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| 231 | BODY_00_15(9, D, E, T, A, B, C, X(9));
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| 232 | (void)HOST_c2l(data, l);
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| 233 | X(11) = l;
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| 234 | BODY_00_15(10, C, D, E, T, A, B, X(10));
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| 235 | (void)HOST_c2l(data, l);
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| 236 | X(12) = l;
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| 237 | BODY_00_15(11, B, C, D, E, T, A, X(11));
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| 238 | (void)HOST_c2l(data, l);
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| 239 | X(13) = l;
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| 240 | BODY_00_15(12, A, B, C, D, E, T, X(12));
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| 241 | (void)HOST_c2l(data, l);
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| 242 | X(14) = l;
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| 243 | BODY_00_15(13, T, A, B, C, D, E, X(13));
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| 244 | (void)HOST_c2l(data, l);
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| 245 | X(15) = l;
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| 246 | BODY_00_15(14, E, T, A, B, C, D, X(14));
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| 247 | BODY_00_15(15, D, E, T, A, B, C, X(15));
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| 248 | }
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| 249 |
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| 250 | BODY_16_19(16, C, D, E, T, A, B, X(0), X(0), X(2), X(8), X(13));
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| 251 | BODY_16_19(17, B, C, D, E, T, A, X(1), X(1), X(3), X(9), X(14));
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| 252 | BODY_16_19(18, A, B, C, D, E, T, X(2), X(2), X(4), X(10), X(15));
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| 253 | BODY_16_19(19, T, A, B, C, D, E, X(3), X(3), X(5), X(11), X(0));
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| 254 |
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| 255 | BODY_20_31(20, E, T, A, B, C, D, X(4), X(4), X(6), X(12), X(1));
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| 256 | BODY_20_31(21, D, E, T, A, B, C, X(5), X(5), X(7), X(13), X(2));
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| 257 | BODY_20_31(22, C, D, E, T, A, B, X(6), X(6), X(8), X(14), X(3));
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| 258 | BODY_20_31(23, B, C, D, E, T, A, X(7), X(7), X(9), X(15), X(4));
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| 259 | BODY_20_31(24, A, B, C, D, E, T, X(8), X(8), X(10), X(0), X(5));
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| 260 | BODY_20_31(25, T, A, B, C, D, E, X(9), X(9), X(11), X(1), X(6));
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| 261 | BODY_20_31(26, E, T, A, B, C, D, X(10), X(10), X(12), X(2), X(7));
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| 262 | BODY_20_31(27, D, E, T, A, B, C, X(11), X(11), X(13), X(3), X(8));
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| 263 | BODY_20_31(28, C, D, E, T, A, B, X(12), X(12), X(14), X(4), X(9));
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| 264 | BODY_20_31(29, B, C, D, E, T, A, X(13), X(13), X(15), X(5), X(10));
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| 265 | BODY_20_31(30, A, B, C, D, E, T, X(14), X(14), X(0), X(6), X(11));
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| 266 | BODY_20_31(31, T, A, B, C, D, E, X(15), X(15), X(1), X(7), X(12));
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| 267 |
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| 268 | BODY_32_39(32, E, T, A, B, C, D, X(0), X(2), X(8), X(13));
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| 269 | BODY_32_39(33, D, E, T, A, B, C, X(1), X(3), X(9), X(14));
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| 270 | BODY_32_39(34, C, D, E, T, A, B, X(2), X(4), X(10), X(15));
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| 271 | BODY_32_39(35, B, C, D, E, T, A, X(3), X(5), X(11), X(0));
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| 272 | BODY_32_39(36, A, B, C, D, E, T, X(4), X(6), X(12), X(1));
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| 273 | BODY_32_39(37, T, A, B, C, D, E, X(5), X(7), X(13), X(2));
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| 274 | BODY_32_39(38, E, T, A, B, C, D, X(6), X(8), X(14), X(3));
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| 275 | BODY_32_39(39, D, E, T, A, B, C, X(7), X(9), X(15), X(4));
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| 276 |
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| 277 | BODY_40_59(40, C, D, E, T, A, B, X(8), X(10), X(0), X(5));
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| 278 | BODY_40_59(41, B, C, D, E, T, A, X(9), X(11), X(1), X(6));
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| 279 | BODY_40_59(42, A, B, C, D, E, T, X(10), X(12), X(2), X(7));
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| 280 | BODY_40_59(43, T, A, B, C, D, E, X(11), X(13), X(3), X(8));
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| 281 | BODY_40_59(44, E, T, A, B, C, D, X(12), X(14), X(4), X(9));
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| 282 | BODY_40_59(45, D, E, T, A, B, C, X(13), X(15), X(5), X(10));
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| 283 | BODY_40_59(46, C, D, E, T, A, B, X(14), X(0), X(6), X(11));
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| 284 | BODY_40_59(47, B, C, D, E, T, A, X(15), X(1), X(7), X(12));
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| 285 | BODY_40_59(48, A, B, C, D, E, T, X(0), X(2), X(8), X(13));
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| 286 | BODY_40_59(49, T, A, B, C, D, E, X(1), X(3), X(9), X(14));
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| 287 | BODY_40_59(50, E, T, A, B, C, D, X(2), X(4), X(10), X(15));
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| 288 | BODY_40_59(51, D, E, T, A, B, C, X(3), X(5), X(11), X(0));
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| 289 | BODY_40_59(52, C, D, E, T, A, B, X(4), X(6), X(12), X(1));
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| 290 | BODY_40_59(53, B, C, D, E, T, A, X(5), X(7), X(13), X(2));
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| 291 | BODY_40_59(54, A, B, C, D, E, T, X(6), X(8), X(14), X(3));
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| 292 | BODY_40_59(55, T, A, B, C, D, E, X(7), X(9), X(15), X(4));
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| 293 | BODY_40_59(56, E, T, A, B, C, D, X(8), X(10), X(0), X(5));
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| 294 | BODY_40_59(57, D, E, T, A, B, C, X(9), X(11), X(1), X(6));
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| 295 | BODY_40_59(58, C, D, E, T, A, B, X(10), X(12), X(2), X(7));
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| 296 | BODY_40_59(59, B, C, D, E, T, A, X(11), X(13), X(3), X(8));
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| 297 |
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| 298 | BODY_60_79(60, A, B, C, D, E, T, X(12), X(14), X(4), X(9));
|
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| 299 | BODY_60_79(61, T, A, B, C, D, E, X(13), X(15), X(5), X(10));
|
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| 300 | BODY_60_79(62, E, T, A, B, C, D, X(14), X(0), X(6), X(11));
|
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| 301 | BODY_60_79(63, D, E, T, A, B, C, X(15), X(1), X(7), X(12));
|
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| 302 | BODY_60_79(64, C, D, E, T, A, B, X(0), X(2), X(8), X(13));
|
---|
| 303 | BODY_60_79(65, B, C, D, E, T, A, X(1), X(3), X(9), X(14));
|
---|
| 304 | BODY_60_79(66, A, B, C, D, E, T, X(2), X(4), X(10), X(15));
|
---|
| 305 | BODY_60_79(67, T, A, B, C, D, E, X(3), X(5), X(11), X(0));
|
---|
| 306 | BODY_60_79(68, E, T, A, B, C, D, X(4), X(6), X(12), X(1));
|
---|
| 307 | BODY_60_79(69, D, E, T, A, B, C, X(5), X(7), X(13), X(2));
|
---|
| 308 | BODY_60_79(70, C, D, E, T, A, B, X(6), X(8), X(14), X(3));
|
---|
| 309 | BODY_60_79(71, B, C, D, E, T, A, X(7), X(9), X(15), X(4));
|
---|
| 310 | BODY_60_79(72, A, B, C, D, E, T, X(8), X(10), X(0), X(5));
|
---|
| 311 | BODY_60_79(73, T, A, B, C, D, E, X(9), X(11), X(1), X(6));
|
---|
| 312 | BODY_60_79(74, E, T, A, B, C, D, X(10), X(12), X(2), X(7));
|
---|
| 313 | BODY_60_79(75, D, E, T, A, B, C, X(11), X(13), X(3), X(8));
|
---|
| 314 | BODY_60_79(76, C, D, E, T, A, B, X(12), X(14), X(4), X(9));
|
---|
| 315 | BODY_60_79(77, B, C, D, E, T, A, X(13), X(15), X(5), X(10));
|
---|
| 316 | BODY_60_79(78, A, B, C, D, E, T, X(14), X(0), X(6), X(11));
|
---|
| 317 | BODY_60_79(79, T, A, B, C, D, E, X(15), X(1), X(7), X(12));
|
---|
| 318 |
|
---|
| 319 | c->h0 = (c->h0 + E) & 0xffffffffL;
|
---|
| 320 | c->h1 = (c->h1 + T) & 0xffffffffL;
|
---|
| 321 | c->h2 = (c->h2 + A) & 0xffffffffL;
|
---|
| 322 | c->h3 = (c->h3 + B) & 0xffffffffL;
|
---|
| 323 | c->h4 = (c->h4 + C) & 0xffffffffL;
|
---|
| 324 |
|
---|
| 325 | if (--num == 0)
|
---|
| 326 | break;
|
---|
| 327 |
|
---|
| 328 | A = c->h0;
|
---|
| 329 | B = c->h1;
|
---|
| 330 | C = c->h2;
|
---|
| 331 | D = c->h3;
|
---|
| 332 | E = c->h4;
|
---|
| 333 |
|
---|
| 334 | }
|
---|
| 335 | }
|
---|
| 336 | # endif
|
---|
| 337 |
|
---|
| 338 | #else /* OPENSSL_SMALL_FOOTPRINT */
|
---|
| 339 |
|
---|
| 340 | # define BODY_00_15(xi) do { \
|
---|
| 341 | T=E+K_00_19+F_00_19(B,C,D); \
|
---|
| 342 | E=D, D=C, C=ROTATE(B,30), B=A; \
|
---|
| 343 | A=ROTATE(A,5)+T+xi; } while(0)
|
---|
| 344 |
|
---|
| 345 | # define BODY_16_19(xa,xb,xc,xd) do { \
|
---|
| 346 | Xupdate(T,xa,xa,xb,xc,xd); \
|
---|
| 347 | T+=E+K_00_19+F_00_19(B,C,D); \
|
---|
| 348 | E=D, D=C, C=ROTATE(B,30), B=A; \
|
---|
| 349 | A=ROTATE(A,5)+T; } while(0)
|
---|
| 350 |
|
---|
| 351 | # define BODY_20_39(xa,xb,xc,xd) do { \
|
---|
| 352 | Xupdate(T,xa,xa,xb,xc,xd); \
|
---|
| 353 | T+=E+K_20_39+F_20_39(B,C,D); \
|
---|
| 354 | E=D, D=C, C=ROTATE(B,30), B=A; \
|
---|
| 355 | A=ROTATE(A,5)+T; } while(0)
|
---|
| 356 |
|
---|
| 357 | # define BODY_40_59(xa,xb,xc,xd) do { \
|
---|
| 358 | Xupdate(T,xa,xa,xb,xc,xd); \
|
---|
| 359 | T+=E+K_40_59+F_40_59(B,C,D); \
|
---|
| 360 | E=D, D=C, C=ROTATE(B,30), B=A; \
|
---|
| 361 | A=ROTATE(A,5)+T; } while(0)
|
---|
| 362 |
|
---|
| 363 | # define BODY_60_79(xa,xb,xc,xd) do { \
|
---|
| 364 | Xupdate(T,xa,xa,xb,xc,xd); \
|
---|
| 365 | T=E+K_60_79+F_60_79(B,C,D); \
|
---|
| 366 | E=D, D=C, C=ROTATE(B,30), B=A; \
|
---|
| 367 | A=ROTATE(A,5)+T+xa; } while(0)
|
---|
| 368 |
|
---|
| 369 | # if !defined(SHA1_ASM)
|
---|
| 370 | static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num)
|
---|
| 371 | {
|
---|
| 372 | const unsigned char *data = p;
|
---|
| 373 | register unsigned MD32_REG_T A, B, C, D, E, T, l;
|
---|
| 374 | int i;
|
---|
| 375 | SHA_LONG X[16];
|
---|
| 376 |
|
---|
| 377 | A = c->h0;
|
---|
| 378 | B = c->h1;
|
---|
| 379 | C = c->h2;
|
---|
| 380 | D = c->h3;
|
---|
| 381 | E = c->h4;
|
---|
| 382 |
|
---|
| 383 | for (;;) {
|
---|
| 384 | for (i = 0; i < 16; i++) {
|
---|
| 385 | (void)HOST_c2l(data, l);
|
---|
| 386 | X[i] = l;
|
---|
| 387 | BODY_00_15(X[i]);
|
---|
| 388 | }
|
---|
| 389 | for (i = 0; i < 4; i++) {
|
---|
| 390 | BODY_16_19(X[i], X[i + 2], X[i + 8], X[(i + 13) & 15]);
|
---|
| 391 | }
|
---|
| 392 | for (; i < 24; i++) {
|
---|
| 393 | BODY_20_39(X[i & 15], X[(i + 2) & 15], X[(i + 8) & 15],
|
---|
| 394 | X[(i + 13) & 15]);
|
---|
| 395 | }
|
---|
| 396 | for (i = 0; i < 20; i++) {
|
---|
| 397 | BODY_40_59(X[(i + 8) & 15], X[(i + 10) & 15], X[i & 15],
|
---|
| 398 | X[(i + 5) & 15]);
|
---|
| 399 | }
|
---|
| 400 | for (i = 4; i < 24; i++) {
|
---|
| 401 | BODY_60_79(X[(i + 8) & 15], X[(i + 10) & 15], X[i & 15],
|
---|
| 402 | X[(i + 5) & 15]);
|
---|
| 403 | }
|
---|
| 404 |
|
---|
| 405 | c->h0 = (c->h0 + A) & 0xffffffffL;
|
---|
| 406 | c->h1 = (c->h1 + B) & 0xffffffffL;
|
---|
| 407 | c->h2 = (c->h2 + C) & 0xffffffffL;
|
---|
| 408 | c->h3 = (c->h3 + D) & 0xffffffffL;
|
---|
| 409 | c->h4 = (c->h4 + E) & 0xffffffffL;
|
---|
| 410 |
|
---|
| 411 | if (--num == 0)
|
---|
| 412 | break;
|
---|
| 413 |
|
---|
| 414 | A = c->h0;
|
---|
| 415 | B = c->h1;
|
---|
| 416 | C = c->h2;
|
---|
| 417 | D = c->h3;
|
---|
| 418 | E = c->h4;
|
---|
| 419 |
|
---|
| 420 | }
|
---|
| 421 | }
|
---|
| 422 | # endif
|
---|
| 423 |
|
---|
| 424 | #endif
|
---|