1 /* crypto/sha/sha_locl.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay (at) cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdlib.h> 60 #include <string.h> 61 62 #include <openssl/opensslconf.h> 63 #include <openssl/sha.h> 64 65 #define DATA_ORDER_IS_BIG_ENDIAN 66 67 #define HASH_LONG SHA_LONG 68 #define HASH_CTX SHA_CTX 69 #define HASH_CBLOCK SHA_CBLOCK 70 #define HASH_MAKE_STRING(c,s) do { \ 71 unsigned long ll; \ 72 ll=(c)->h0; (void)HOST_l2c(ll,(s)); \ 73 ll=(c)->h1; (void)HOST_l2c(ll,(s)); \ 74 ll=(c)->h2; (void)HOST_l2c(ll,(s)); \ 75 ll=(c)->h3; (void)HOST_l2c(ll,(s)); \ 76 ll=(c)->h4; (void)HOST_l2c(ll,(s)); \ 77 } while (0) 78 79 #if defined(SHA_0) 80 81 # define HASH_UPDATE SHA_Update 82 # define HASH_TRANSFORM SHA_Transform 83 # define HASH_FINAL SHA_Final 84 # define HASH_INIT SHA_Init 85 # define HASH_BLOCK_DATA_ORDER sha_block_data_order 86 # define Xupdate(a,ix,ia,ib,ic,id) (ix=(a)=(ia^ib^ic^id)) 87 88 static void sha_block_data_order (SHA_CTX *c, const void *p,size_t num); 89 90 #elif defined(SHA_1) 91 92 # define HASH_UPDATE SHA1_Update 93 # define HASH_TRANSFORM SHA1_Transform 94 # define HASH_FINAL SHA1_Final 95 # define HASH_INIT SHA1_Init 96 # define HASH_BLOCK_DATA_ORDER sha1_block_data_order 97 # if defined(__MWERKS__) && defined(__MC68K__) 98 /* Metrowerks for Motorola fails otherwise:-( <appro (at) fy.chalmers.se> */ 99 # define Xupdate(a,ix,ia,ib,ic,id) do { (a)=(ia^ib^ic^id); \ 100 ix=(a)=ROTATE((a),1); \ 101 } while (0) 102 # else 103 # define Xupdate(a,ix,ia,ib,ic,id) ( (a)=(ia^ib^ic^id), \ 104 ix=(a)=ROTATE((a),1) \ 105 ) 106 # endif 107 108 #ifndef SHA1_ASM 109 static 110 #endif 111 void sha1_block_data_order (SHA_CTX *c, const void *p,size_t num); 112 113 #else 114 # error "Either SHA_0 or SHA_1 must be defined." 115 #endif 116 117 #include "md32_common.h" 118 119 #define INIT_DATA_h0 0x67452301UL 120 #define INIT_DATA_h1 0xefcdab89UL 121 #define INIT_DATA_h2 0x98badcfeUL 122 #define INIT_DATA_h3 0x10325476UL 123 #define INIT_DATA_h4 0xc3d2e1f0UL 124 125 #ifdef SHA_0 126 fips_md_init(SHA) 127 #else 128 fips_md_init_ctx(SHA1, SHA) 129 #endif 130 { 131 memset (c,0,sizeof(*c)); 132 c->h0=INIT_DATA_h0; 133 c->h1=INIT_DATA_h1; 134 c->h2=INIT_DATA_h2; 135 c->h3=INIT_DATA_h3; 136 c->h4=INIT_DATA_h4; 137 return 1; 138 } 139 140 #define K_00_19 0x5a827999UL 141 #define K_20_39 0x6ed9eba1UL 142 #define K_40_59 0x8f1bbcdcUL 143 #define K_60_79 0xca62c1d6UL 144 145 /* As pointed out by Wei Dai <weidai (at) eskimo.com>, F() below can be 146 * simplified to the code in F_00_19. Wei attributes these optimisations 147 * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel. 148 * #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) 149 * I've just become aware of another tweak to be made, again from Wei Dai, 150 * in F_40_59, (x&a)|(y&a) -> (x|y)&a 151 */ 152 #define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) 153 #define F_20_39(b,c,d) ((b) ^ (c) ^ (d)) 154 #define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d))) 155 #define F_60_79(b,c,d) F_20_39(b,c,d) 156 157 #ifndef OPENSSL_SMALL_FOOTPRINT 158 159 #define BODY_00_15(i,a,b,c,d,e,f,xi) \ 160 (f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ 161 (b)=ROTATE((b),30); 162 163 #define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \ 164 Xupdate(f,xi,xa,xb,xc,xd); \ 165 (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ 166 (b)=ROTATE((b),30); 167 168 #define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \ 169 Xupdate(f,xi,xa,xb,xc,xd); \ 170 (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ 171 (b)=ROTATE((b),30); 172 173 #define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \ 174 Xupdate(f,xa,xa,xb,xc,xd); \ 175 (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ 176 (b)=ROTATE((b),30); 177 178 #define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \ 179 Xupdate(f,xa,xa,xb,xc,xd); \ 180 (f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \ 181 (b)=ROTATE((b),30); 182 183 #define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \ 184 Xupdate(f,xa,xa,xb,xc,xd); \ 185 (f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \ 186 (b)=ROTATE((b),30); 187 188 #ifdef X 189 #undef X 190 #endif 191 #ifndef MD32_XARRAY 192 /* 193 * Originally X was an array. As it's automatic it's natural 194 * to expect RISC compiler to accomodate at least part of it in 195 * the register bank, isn't it? Unfortunately not all compilers 196 * "find" this expectation reasonable:-( On order to make such 197 * compilers generate better code I replace X[] with a bunch of 198 * X0, X1, etc. See the function body below... 199 * <appro (at) fy.chalmers.se> 200 */ 201 # define X(i) XX##i 202 #else 203 /* 204 * However! Some compilers (most notably HP C) get overwhelmed by 205 * that many local variables so that we have to have the way to 206 * fall down to the original behavior. 207 */ 208 # define X(i) XX[i] 209 #endif 210 211 #if !defined(SHA_1) || !defined(SHA1_ASM) 212 static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num) 213 { 214 const unsigned char *data=p; 215 register unsigned MD32_REG_T A,B,C,D,E,T,l; 216 #ifndef MD32_XARRAY 217 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 218 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 219 #else 220 SHA_LONG XX[16]; 221 #endif 222 223 A=c->h0; 224 B=c->h1; 225 C=c->h2; 226 D=c->h3; 227 E=c->h4; 228 229 for (;;) 230 { 231 const union { long one; char little; } is_endian = {1}; 232 233 if (!is_endian.little && sizeof(SHA_LONG)==4 && ((size_t)p%4)==0) 234 { 235 const SHA_LONG *W=(const SHA_LONG *)data; 236 237 X( 0) = W[0]; X( 1) = W[ 1]; 238 BODY_00_15( 0,A,B,C,D,E,T,X( 0)); X( 2) = W[ 2]; 239 BODY_00_15( 1,T,A,B,C,D,E,X( 1)); X( 3) = W[ 3]; 240 BODY_00_15( 2,E,T,A,B,C,D,X( 2)); X( 4) = W[ 4]; 241 BODY_00_15( 3,D,E,T,A,B,C,X( 3)); X( 5) = W[ 5]; 242 BODY_00_15( 4,C,D,E,T,A,B,X( 4)); X( 6) = W[ 6]; 243 BODY_00_15( 5,B,C,D,E,T,A,X( 5)); X( 7) = W[ 7]; 244 BODY_00_15( 6,A,B,C,D,E,T,X( 6)); X( 8) = W[ 8]; 245 BODY_00_15( 7,T,A,B,C,D,E,X( 7)); X( 9) = W[ 9]; 246 BODY_00_15( 8,E,T,A,B,C,D,X( 8)); X(10) = W[10]; 247 BODY_00_15( 9,D,E,T,A,B,C,X( 9)); X(11) = W[11]; 248 BODY_00_15(10,C,D,E,T,A,B,X(10)); X(12) = W[12]; 249 BODY_00_15(11,B,C,D,E,T,A,X(11)); X(13) = W[13]; 250 BODY_00_15(12,A,B,C,D,E,T,X(12)); X(14) = W[14]; 251 BODY_00_15(13,T,A,B,C,D,E,X(13)); X(15) = W[15]; 252 BODY_00_15(14,E,T,A,B,C,D,X(14)); 253 BODY_00_15(15,D,E,T,A,B,C,X(15)); 254 255 data += SHA_CBLOCK; 256 } 257 else 258 { 259 (void)HOST_c2l(data,l); X( 0)=l; (void)HOST_c2l(data,l); X( 1)=l; 260 BODY_00_15( 0,A,B,C,D,E,T,X( 0)); (void)HOST_c2l(data,l); X( 2)=l; 261 BODY_00_15( 1,T,A,B,C,D,E,X( 1)); (void)HOST_c2l(data,l); X( 3)=l; 262 BODY_00_15( 2,E,T,A,B,C,D,X( 2)); (void)HOST_c2l(data,l); X( 4)=l; 263 BODY_00_15( 3,D,E,T,A,B,C,X( 3)); (void)HOST_c2l(data,l); X( 5)=l; 264 BODY_00_15( 4,C,D,E,T,A,B,X( 4)); (void)HOST_c2l(data,l); X( 6)=l; 265 BODY_00_15( 5,B,C,D,E,T,A,X( 5)); (void)HOST_c2l(data,l); X( 7)=l; 266 BODY_00_15( 6,A,B,C,D,E,T,X( 6)); (void)HOST_c2l(data,l); X( 8)=l; 267 BODY_00_15( 7,T,A,B,C,D,E,X( 7)); (void)HOST_c2l(data,l); X( 9)=l; 268 BODY_00_15( 8,E,T,A,B,C,D,X( 8)); (void)HOST_c2l(data,l); X(10)=l; 269 BODY_00_15( 9,D,E,T,A,B,C,X( 9)); (void)HOST_c2l(data,l); X(11)=l; 270 BODY_00_15(10,C,D,E,T,A,B,X(10)); (void)HOST_c2l(data,l); X(12)=l; 271 BODY_00_15(11,B,C,D,E,T,A,X(11)); (void)HOST_c2l(data,l); X(13)=l; 272 BODY_00_15(12,A,B,C,D,E,T,X(12)); (void)HOST_c2l(data,l); X(14)=l; 273 BODY_00_15(13,T,A,B,C,D,E,X(13)); (void)HOST_c2l(data,l); X(15)=l; 274 BODY_00_15(14,E,T,A,B,C,D,X(14)); 275 BODY_00_15(15,D,E,T,A,B,C,X(15)); 276 } 277 278 BODY_16_19(16,C,D,E,T,A,B,X( 0),X( 0),X( 2),X( 8),X(13)); 279 BODY_16_19(17,B,C,D,E,T,A,X( 1),X( 1),X( 3),X( 9),X(14)); 280 BODY_16_19(18,A,B,C,D,E,T,X( 2),X( 2),X( 4),X(10),X(15)); 281 BODY_16_19(19,T,A,B,C,D,E,X( 3),X( 3),X( 5),X(11),X( 0)); 282 283 BODY_20_31(20,E,T,A,B,C,D,X( 4),X( 4),X( 6),X(12),X( 1)); 284 BODY_20_31(21,D,E,T,A,B,C,X( 5),X( 5),X( 7),X(13),X( 2)); 285 BODY_20_31(22,C,D,E,T,A,B,X( 6),X( 6),X( 8),X(14),X( 3)); 286 BODY_20_31(23,B,C,D,E,T,A,X( 7),X( 7),X( 9),X(15),X( 4)); 287 BODY_20_31(24,A,B,C,D,E,T,X( 8),X( 8),X(10),X( 0),X( 5)); 288 BODY_20_31(25,T,A,B,C,D,E,X( 9),X( 9),X(11),X( 1),X( 6)); 289 BODY_20_31(26,E,T,A,B,C,D,X(10),X(10),X(12),X( 2),X( 7)); 290 BODY_20_31(27,D,E,T,A,B,C,X(11),X(11),X(13),X( 3),X( 8)); 291 BODY_20_31(28,C,D,E,T,A,B,X(12),X(12),X(14),X( 4),X( 9)); 292 BODY_20_31(29,B,C,D,E,T,A,X(13),X(13),X(15),X( 5),X(10)); 293 BODY_20_31(30,A,B,C,D,E,T,X(14),X(14),X( 0),X( 6),X(11)); 294 BODY_20_31(31,T,A,B,C,D,E,X(15),X(15),X( 1),X( 7),X(12)); 295 296 BODY_32_39(32,E,T,A,B,C,D,X( 0),X( 2),X( 8),X(13)); 297 BODY_32_39(33,D,E,T,A,B,C,X( 1),X( 3),X( 9),X(14)); 298 BODY_32_39(34,C,D,E,T,A,B,X( 2),X( 4),X(10),X(15)); 299 BODY_32_39(35,B,C,D,E,T,A,X( 3),X( 5),X(11),X( 0)); 300 BODY_32_39(36,A,B,C,D,E,T,X( 4),X( 6),X(12),X( 1)); 301 BODY_32_39(37,T,A,B,C,D,E,X( 5),X( 7),X(13),X( 2)); 302 BODY_32_39(38,E,T,A,B,C,D,X( 6),X( 8),X(14),X( 3)); 303 BODY_32_39(39,D,E,T,A,B,C,X( 7),X( 9),X(15),X( 4)); 304 305 BODY_40_59(40,C,D,E,T,A,B,X( 8),X(10),X( 0),X( 5)); 306 BODY_40_59(41,B,C,D,E,T,A,X( 9),X(11),X( 1),X( 6)); 307 BODY_40_59(42,A,B,C,D,E,T,X(10),X(12),X( 2),X( 7)); 308 BODY_40_59(43,T,A,B,C,D,E,X(11),X(13),X( 3),X( 8)); 309 BODY_40_59(44,E,T,A,B,C,D,X(12),X(14),X( 4),X( 9)); 310 BODY_40_59(45,D,E,T,A,B,C,X(13),X(15),X( 5),X(10)); 311 BODY_40_59(46,C,D,E,T,A,B,X(14),X( 0),X( 6),X(11)); 312 BODY_40_59(47,B,C,D,E,T,A,X(15),X( 1),X( 7),X(12)); 313 BODY_40_59(48,A,B,C,D,E,T,X( 0),X( 2),X( 8),X(13)); 314 BODY_40_59(49,T,A,B,C,D,E,X( 1),X( 3),X( 9),X(14)); 315 BODY_40_59(50,E,T,A,B,C,D,X( 2),X( 4),X(10),X(15)); 316 BODY_40_59(51,D,E,T,A,B,C,X( 3),X( 5),X(11),X( 0)); 317 BODY_40_59(52,C,D,E,T,A,B,X( 4),X( 6),X(12),X( 1)); 318 BODY_40_59(53,B,C,D,E,T,A,X( 5),X( 7),X(13),X( 2)); 319 BODY_40_59(54,A,B,C,D,E,T,X( 6),X( 8),X(14),X( 3)); 320 BODY_40_59(55,T,A,B,C,D,E,X( 7),X( 9),X(15),X( 4)); 321 BODY_40_59(56,E,T,A,B,C,D,X( 8),X(10),X( 0),X( 5)); 322 BODY_40_59(57,D,E,T,A,B,C,X( 9),X(11),X( 1),X( 6)); 323 BODY_40_59(58,C,D,E,T,A,B,X(10),X(12),X( 2),X( 7)); 324 BODY_40_59(59,B,C,D,E,T,A,X(11),X(13),X( 3),X( 8)); 325 326 BODY_60_79(60,A,B,C,D,E,T,X(12),X(14),X( 4),X( 9)); 327 BODY_60_79(61,T,A,B,C,D,E,X(13),X(15),X( 5),X(10)); 328 BODY_60_79(62,E,T,A,B,C,D,X(14),X( 0),X( 6),X(11)); 329 BODY_60_79(63,D,E,T,A,B,C,X(15),X( 1),X( 7),X(12)); 330 BODY_60_79(64,C,D,E,T,A,B,X( 0),X( 2),X( 8),X(13)); 331 BODY_60_79(65,B,C,D,E,T,A,X( 1),X( 3),X( 9),X(14)); 332 BODY_60_79(66,A,B,C,D,E,T,X( 2),X( 4),X(10),X(15)); 333 BODY_60_79(67,T,A,B,C,D,E,X( 3),X( 5),X(11),X( 0)); 334 BODY_60_79(68,E,T,A,B,C,D,X( 4),X( 6),X(12),X( 1)); 335 BODY_60_79(69,D,E,T,A,B,C,X( 5),X( 7),X(13),X( 2)); 336 BODY_60_79(70,C,D,E,T,A,B,X( 6),X( 8),X(14),X( 3)); 337 BODY_60_79(71,B,C,D,E,T,A,X( 7),X( 9),X(15),X( 4)); 338 BODY_60_79(72,A,B,C,D,E,T,X( 8),X(10),X( 0),X( 5)); 339 BODY_60_79(73,T,A,B,C,D,E,X( 9),X(11),X( 1),X( 6)); 340 BODY_60_79(74,E,T,A,B,C,D,X(10),X(12),X( 2),X( 7)); 341 BODY_60_79(75,D,E,T,A,B,C,X(11),X(13),X( 3),X( 8)); 342 BODY_60_79(76,C,D,E,T,A,B,X(12),X(14),X( 4),X( 9)); 343 BODY_60_79(77,B,C,D,E,T,A,X(13),X(15),X( 5),X(10)); 344 BODY_60_79(78,A,B,C,D,E,T,X(14),X( 0),X( 6),X(11)); 345 BODY_60_79(79,T,A,B,C,D,E,X(15),X( 1),X( 7),X(12)); 346 347 c->h0=(c->h0+E)&0xffffffffL; 348 c->h1=(c->h1+T)&0xffffffffL; 349 c->h2=(c->h2+A)&0xffffffffL; 350 c->h3=(c->h3+B)&0xffffffffL; 351 c->h4=(c->h4+C)&0xffffffffL; 352 353 if (--num == 0) break; 354 355 A=c->h0; 356 B=c->h1; 357 C=c->h2; 358 D=c->h3; 359 E=c->h4; 360 361 } 362 } 363 #endif 364 365 #else /* OPENSSL_SMALL_FOOTPRINT */ 366 367 #define BODY_00_15(xi) do { \ 368 T=E+K_00_19+F_00_19(B,C,D); \ 369 E=D, D=C, C=ROTATE(B,30), B=A; \ 370 A=ROTATE(A,5)+T+xi; } while(0) 371 372 #define BODY_16_19(xa,xb,xc,xd) do { \ 373 Xupdate(T,xa,xa,xb,xc,xd); \ 374 T+=E+K_00_19+F_00_19(B,C,D); \ 375 E=D, D=C, C=ROTATE(B,30), B=A; \ 376 A=ROTATE(A,5)+T; } while(0) 377 378 #define BODY_20_39(xa,xb,xc,xd) do { \ 379 Xupdate(T,xa,xa,xb,xc,xd); \ 380 T+=E+K_20_39+F_20_39(B,C,D); \ 381 E=D, D=C, C=ROTATE(B,30), B=A; \ 382 A=ROTATE(A,5)+T; } while(0) 383 384 #define BODY_40_59(xa,xb,xc,xd) do { \ 385 Xupdate(T,xa,xa,xb,xc,xd); \ 386 T+=E+K_40_59+F_40_59(B,C,D); \ 387 E=D, D=C, C=ROTATE(B,30), B=A; \ 388 A=ROTATE(A,5)+T; } while(0) 389 390 #define BODY_60_79(xa,xb,xc,xd) do { \ 391 Xupdate(T,xa,xa,xb,xc,xd); \ 392 T=E+K_60_79+F_60_79(B,C,D); \ 393 E=D, D=C, C=ROTATE(B,30), B=A; \ 394 A=ROTATE(A,5)+T+xa; } while(0) 395 396 #if !defined(SHA_1) || !defined(SHA1_ASM) 397 static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num) 398 { 399 const unsigned char *data=p; 400 register unsigned MD32_REG_T A,B,C,D,E,T,l; 401 int i; 402 SHA_LONG X[16]; 403 404 A=c->h0; 405 B=c->h1; 406 C=c->h2; 407 D=c->h3; 408 E=c->h4; 409 410 for (;;) 411 { 412 for (i=0;i<16;i++) 413 { HOST_c2l(data,l); X[i]=l; BODY_00_15(X[i]); } 414 for (i=0;i<4;i++) 415 { BODY_16_19(X[i], X[i+2], X[i+8], X[(i+13)&15]); } 416 for (;i<24;i++) 417 { BODY_20_39(X[i&15], X[(i+2)&15], X[(i+8)&15],X[(i+13)&15]); } 418 for (i=0;i<20;i++) 419 { BODY_40_59(X[(i+8)&15],X[(i+10)&15],X[i&15], X[(i+5)&15]); } 420 for (i=4;i<24;i++) 421 { BODY_60_79(X[(i+8)&15],X[(i+10)&15],X[i&15], X[(i+5)&15]); } 422 423 c->h0=(c->h0+A)&0xffffffffL; 424 c->h1=(c->h1+B)&0xffffffffL; 425 c->h2=(c->h2+C)&0xffffffffL; 426 c->h3=(c->h3+D)&0xffffffffL; 427 c->h4=(c->h4+E)&0xffffffffL; 428 429 if (--num == 0) break; 430 431 A=c->h0; 432 B=c->h1; 433 C=c->h2; 434 D=c->h3; 435 E=c->h4; 436 437 } 438 } 439 #endif 440 441 #endif 442
