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; HOST_l2c(ll,(s)); \ 73 ll=(c)->h1; HOST_l2c(ll,(s)); \ 74 ll=(c)->h2; HOST_l2c(ll,(s)); \ 75 ll=(c)->h3; HOST_l2c(ll,(s)); \ 76 ll=(c)->h4; 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 int HASH_INIT (SHA_CTX *c) 126 { 127 memset (c,0,sizeof(*c)); 128 c->h0=INIT_DATA_h0; 129 c->h1=INIT_DATA_h1; 130 c->h2=INIT_DATA_h2; 131 c->h3=INIT_DATA_h3; 132 c->h4=INIT_DATA_h4; 133 return 1; 134 } 135 136 #define K_00_19 0x5a827999UL 137 #define K_20_39 0x6ed9eba1UL 138 #define K_40_59 0x8f1bbcdcUL 139 #define K_60_79 0xca62c1d6UL 140 141 /* As pointed out by Wei Dai <weidai (at) eskimo.com>, F() below can be 142 * simplified to the code in F_00_19. Wei attributes these optimisations 143 * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel. 144 * #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) 145 * I've just become aware of another tweak to be made, again from Wei Dai, 146 * in F_40_59, (x&a)|(y&a) -> (x|y)&a 147 */ 148 #define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) 149 #define F_20_39(b,c,d) ((b) ^ (c) ^ (d)) 150 #define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d))) 151 #define F_60_79(b,c,d) F_20_39(b,c,d) 152 153 #ifndef OPENSSL_SMALL_FOOTPRINT 154 155 #define BODY_00_15(i,a,b,c,d,e,f,xi) \ 156 (f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ 157 (b)=ROTATE((b),30); 158 159 #define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \ 160 Xupdate(f,xi,xa,xb,xc,xd); \ 161 (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ 162 (b)=ROTATE((b),30); 163 164 #define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \ 165 Xupdate(f,xi,xa,xb,xc,xd); \ 166 (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ 167 (b)=ROTATE((b),30); 168 169 #define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \ 170 Xupdate(f,xa,xa,xb,xc,xd); \ 171 (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ 172 (b)=ROTATE((b),30); 173 174 #define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \ 175 Xupdate(f,xa,xa,xb,xc,xd); \ 176 (f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \ 177 (b)=ROTATE((b),30); 178 179 #define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \ 180 Xupdate(f,xa,xa,xb,xc,xd); \ 181 (f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \ 182 (b)=ROTATE((b),30); 183 184 #ifdef X 185 #undef X 186 #endif 187 #ifndef MD32_XARRAY 188 /* 189 * Originally X was an array. As it's automatic it's natural 190 * to expect RISC compiler to accomodate at least part of it in 191 * the register bank, isn't it? Unfortunately not all compilers 192 * "find" this expectation reasonable:-( On order to make such 193 * compilers generate better code I replace X[] with a bunch of 194 * X0, X1, etc. See the function body below... 195 * <appro (at) fy.chalmers.se> 196 */ 197 # define X(i) XX##i 198 #else 199 /* 200 * However! Some compilers (most notably HP C) get overwhelmed by 201 * that many local variables so that we have to have the way to 202 * fall down to the original behavior. 203 */ 204 # define X(i) XX[i] 205 #endif 206 207 #if !defined(SHA_1) || !defined(SHA1_ASM) 208 static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num) 209 { 210 const unsigned char *data=p; 211 register unsigned MD32_REG_T A,B,C,D,E,T,l; 212 #ifndef MD32_XARRAY 213 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 214 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 215 #else 216 SHA_LONG XX[16]; 217 #endif 218 219 A=c->h0; 220 B=c->h1; 221 C=c->h2; 222 D=c->h3; 223 E=c->h4; 224 225 for (;;) 226 { 227 const union { long one; char little; } is_endian = {1}; 228 229 if (!is_endian.little && sizeof(SHA_LONG)==4 && ((size_t)p%4)==0) 230 { 231 const SHA_LONG *W=(const SHA_LONG *)data; 232 233 X( 0) = W[0]; X( 1) = W[ 1]; 234 BODY_00_15( 0,A,B,C,D,E,T,X( 0)); X( 2) = W[ 2]; 235 BODY_00_15( 1,T,A,B,C,D,E,X( 1)); X( 3) = W[ 3]; 236 BODY_00_15( 2,E,T,A,B,C,D,X( 2)); X( 4) = W[ 4]; 237 BODY_00_15( 3,D,E,T,A,B,C,X( 3)); X( 5) = W[ 5]; 238 BODY_00_15( 4,C,D,E,T,A,B,X( 4)); X( 6) = W[ 6]; 239 BODY_00_15( 5,B,C,D,E,T,A,X( 5)); X( 7) = W[ 7]; 240 BODY_00_15( 6,A,B,C,D,E,T,X( 6)); X( 8) = W[ 8]; 241 BODY_00_15( 7,T,A,B,C,D,E,X( 7)); X( 9) = W[ 9]; 242 BODY_00_15( 8,E,T,A,B,C,D,X( 8)); X(10) = W[10]; 243 BODY_00_15( 9,D,E,T,A,B,C,X( 9)); X(11) = W[11]; 244 BODY_00_15(10,C,D,E,T,A,B,X(10)); X(12) = W[12]; 245 BODY_00_15(11,B,C,D,E,T,A,X(11)); X(13) = W[13]; 246 BODY_00_15(12,A,B,C,D,E,T,X(12)); X(14) = W[14]; 247 BODY_00_15(13,T,A,B,C,D,E,X(13)); X(15) = W[15]; 248 BODY_00_15(14,E,T,A,B,C,D,X(14)); 249 BODY_00_15(15,D,E,T,A,B,C,X(15)); 250 251 data += SHA_CBLOCK; 252 } 253 else 254 { 255 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; 256 BODY_00_15( 0,A,B,C,D,E,T,X( 0)); HOST_c2l(data,l); X( 2)=l; 257 BODY_00_15( 1,T,A,B,C,D,E,X( 1)); HOST_c2l(data,l); X( 3)=l; 258 BODY_00_15( 2,E,T,A,B,C,D,X( 2)); HOST_c2l(data,l); X( 4)=l; 259 BODY_00_15( 3,D,E,T,A,B,C,X( 3)); HOST_c2l(data,l); X( 5)=l; 260 BODY_00_15( 4,C,D,E,T,A,B,X( 4)); HOST_c2l(data,l); X( 6)=l; 261 BODY_00_15( 5,B,C,D,E,T,A,X( 5)); HOST_c2l(data,l); X( 7)=l; 262 BODY_00_15( 6,A,B,C,D,E,T,X( 6)); HOST_c2l(data,l); X( 8)=l; 263 BODY_00_15( 7,T,A,B,C,D,E,X( 7)); HOST_c2l(data,l); X( 9)=l; 264 BODY_00_15( 8,E,T,A,B,C,D,X( 8)); HOST_c2l(data,l); X(10)=l; 265 BODY_00_15( 9,D,E,T,A,B,C,X( 9)); HOST_c2l(data,l); X(11)=l; 266 BODY_00_15(10,C,D,E,T,A,B,X(10)); HOST_c2l(data,l); X(12)=l; 267 BODY_00_15(11,B,C,D,E,T,A,X(11)); HOST_c2l(data,l); X(13)=l; 268 BODY_00_15(12,A,B,C,D,E,T,X(12)); HOST_c2l(data,l); X(14)=l; 269 BODY_00_15(13,T,A,B,C,D,E,X(13)); HOST_c2l(data,l); X(15)=l; 270 BODY_00_15(14,E,T,A,B,C,D,X(14)); 271 BODY_00_15(15,D,E,T,A,B,C,X(15)); 272 } 273 274 BODY_16_19(16,C,D,E,T,A,B,X( 0),X( 0),X( 2),X( 8),X(13)); 275 BODY_16_19(17,B,C,D,E,T,A,X( 1),X( 1),X( 3),X( 9),X(14)); 276 BODY_16_19(18,A,B,C,D,E,T,X( 2),X( 2),X( 4),X(10),X(15)); 277 BODY_16_19(19,T,A,B,C,D,E,X( 3),X( 3),X( 5),X(11),X( 0)); 278 279 BODY_20_31(20,E,T,A,B,C,D,X( 4),X( 4),X( 6),X(12),X( 1)); 280 BODY_20_31(21,D,E,T,A,B,C,X( 5),X( 5),X( 7),X(13),X( 2)); 281 BODY_20_31(22,C,D,E,T,A,B,X( 6),X( 6),X( 8),X(14),X( 3)); 282 BODY_20_31(23,B,C,D,E,T,A,X( 7),X( 7),X( 9),X(15),X( 4)); 283 BODY_20_31(24,A,B,C,D,E,T,X( 8),X( 8),X(10),X( 0),X( 5)); 284 BODY_20_31(25,T,A,B,C,D,E,X( 9),X( 9),X(11),X( 1),X( 6)); 285 BODY_20_31(26,E,T,A,B,C,D,X(10),X(10),X(12),X( 2),X( 7)); 286 BODY_20_31(27,D,E,T,A,B,C,X(11),X(11),X(13),X( 3),X( 8)); 287 BODY_20_31(28,C,D,E,T,A,B,X(12),X(12),X(14),X( 4),X( 9)); 288 BODY_20_31(29,B,C,D,E,T,A,X(13),X(13),X(15),X( 5),X(10)); 289 BODY_20_31(30,A,B,C,D,E,T,X(14),X(14),X( 0),X( 6),X(11)); 290 BODY_20_31(31,T,A,B,C,D,E,X(15),X(15),X( 1),X( 7),X(12)); 291 292 BODY_32_39(32,E,T,A,B,C,D,X( 0),X( 2),X( 8),X(13)); 293 BODY_32_39(33,D,E,T,A,B,C,X( 1),X( 3),X( 9),X(14)); 294 BODY_32_39(34,C,D,E,T,A,B,X( 2),X( 4),X(10),X(15)); 295 BODY_32_39(35,B,C,D,E,T,A,X( 3),X( 5),X(11),X( 0)); 296 BODY_32_39(36,A,B,C,D,E,T,X( 4),X( 6),X(12),X( 1)); 297 BODY_32_39(37,T,A,B,C,D,E,X( 5),X( 7),X(13),X( 2)); 298 BODY_32_39(38,E,T,A,B,C,D,X( 6),X( 8),X(14),X( 3)); 299 BODY_32_39(39,D,E,T,A,B,C,X( 7),X( 9),X(15),X( 4)); 300 301 BODY_40_59(40,C,D,E,T,A,B,X( 8),X(10),X( 0),X( 5)); 302 BODY_40_59(41,B,C,D,E,T,A,X( 9),X(11),X( 1),X( 6)); 303 BODY_40_59(42,A,B,C,D,E,T,X(10),X(12),X( 2),X( 7)); 304 BODY_40_59(43,T,A,B,C,D,E,X(11),X(13),X( 3),X( 8)); 305 BODY_40_59(44,E,T,A,B,C,D,X(12),X(14),X( 4),X( 9)); 306 BODY_40_59(45,D,E,T,A,B,C,X(13),X(15),X( 5),X(10)); 307 BODY_40_59(46,C,D,E,T,A,B,X(14),X( 0),X( 6),X(11)); 308 BODY_40_59(47,B,C,D,E,T,A,X(15),X( 1),X( 7),X(12)); 309 BODY_40_59(48,A,B,C,D,E,T,X( 0),X( 2),X( 8),X(13)); 310 BODY_40_59(49,T,A,B,C,D,E,X( 1),X( 3),X( 9),X(14)); 311 BODY_40_59(50,E,T,A,B,C,D,X( 2),X( 4),X(10),X(15)); 312 BODY_40_59(51,D,E,T,A,B,C,X( 3),X( 5),X(11),X( 0)); 313 BODY_40_59(52,C,D,E,T,A,B,X( 4),X( 6),X(12),X( 1)); 314 BODY_40_59(53,B,C,D,E,T,A,X( 5),X( 7),X(13),X( 2)); 315 BODY_40_59(54,A,B,C,D,E,T,X( 6),X( 8),X(14),X( 3)); 316 BODY_40_59(55,T,A,B,C,D,E,X( 7),X( 9),X(15),X( 4)); 317 BODY_40_59(56,E,T,A,B,C,D,X( 8),X(10),X( 0),X( 5)); 318 BODY_40_59(57,D,E,T,A,B,C,X( 9),X(11),X( 1),X( 6)); 319 BODY_40_59(58,C,D,E,T,A,B,X(10),X(12),X( 2),X( 7)); 320 BODY_40_59(59,B,C,D,E,T,A,X(11),X(13),X( 3),X( 8)); 321 322 BODY_60_79(60,A,B,C,D,E,T,X(12),X(14),X( 4),X( 9)); 323 BODY_60_79(61,T,A,B,C,D,E,X(13),X(15),X( 5),X(10)); 324 BODY_60_79(62,E,T,A,B,C,D,X(14),X( 0),X( 6),X(11)); 325 BODY_60_79(63,D,E,T,A,B,C,X(15),X( 1),X( 7),X(12)); 326 BODY_60_79(64,C,D,E,T,A,B,X( 0),X( 2),X( 8),X(13)); 327 BODY_60_79(65,B,C,D,E,T,A,X( 1),X( 3),X( 9),X(14)); 328 BODY_60_79(66,A,B,C,D,E,T,X( 2),X( 4),X(10),X(15)); 329 BODY_60_79(67,T,A,B,C,D,E,X( 3),X( 5),X(11),X( 0)); 330 BODY_60_79(68,E,T,A,B,C,D,X( 4),X( 6),X(12),X( 1)); 331 BODY_60_79(69,D,E,T,A,B,C,X( 5),X( 7),X(13),X( 2)); 332 BODY_60_79(70,C,D,E,T,A,B,X( 6),X( 8),X(14),X( 3)); 333 BODY_60_79(71,B,C,D,E,T,A,X( 7),X( 9),X(15),X( 4)); 334 BODY_60_79(72,A,B,C,D,E,T,X( 8),X(10),X( 0),X( 5)); 335 BODY_60_79(73,T,A,B,C,D,E,X( 9),X(11),X( 1),X( 6)); 336 BODY_60_79(74,E,T,A,B,C,D,X(10),X(12),X( 2),X( 7)); 337 BODY_60_79(75,D,E,T,A,B,C,X(11),X(13),X( 3),X( 8)); 338 BODY_60_79(76,C,D,E,T,A,B,X(12),X(14),X( 4),X( 9)); 339 BODY_60_79(77,B,C,D,E,T,A,X(13),X(15),X( 5),X(10)); 340 BODY_60_79(78,A,B,C,D,E,T,X(14),X( 0),X( 6),X(11)); 341 BODY_60_79(79,T,A,B,C,D,E,X(15),X( 1),X( 7),X(12)); 342 343 c->h0=(c->h0+E)&0xffffffffL; 344 c->h1=(c->h1+T)&0xffffffffL; 345 c->h2=(c->h2+A)&0xffffffffL; 346 c->h3=(c->h3+B)&0xffffffffL; 347 c->h4=(c->h4+C)&0xffffffffL; 348 349 if (--num == 0) break; 350 351 A=c->h0; 352 B=c->h1; 353 C=c->h2; 354 D=c->h3; 355 E=c->h4; 356 357 } 358 } 359 #endif 360 361 #else /* OPENSSL_SMALL_FOOTPRINT */ 362 363 #define BODY_00_15(xi) do { \ 364 T=E+K_00_19+F_00_19(B,C,D); \ 365 E=D, D=C, C=ROTATE(B,30), B=A; \ 366 A=ROTATE(A,5)+T+xi; } while(0) 367 368 #define BODY_16_19(xa,xb,xc,xd) do { \ 369 Xupdate(T,xa,xa,xb,xc,xd); \ 370 T+=E+K_00_19+F_00_19(B,C,D); \ 371 E=D, D=C, C=ROTATE(B,30), B=A; \ 372 A=ROTATE(A,5)+T; } while(0) 373 374 #define BODY_20_39(xa,xb,xc,xd) do { \ 375 Xupdate(T,xa,xa,xb,xc,xd); \ 376 T+=E+K_20_39+F_20_39(B,C,D); \ 377 E=D, D=C, C=ROTATE(B,30), B=A; \ 378 A=ROTATE(A,5)+T; } while(0) 379 380 #define BODY_40_59(xa,xb,xc,xd) do { \ 381 Xupdate(T,xa,xa,xb,xc,xd); \ 382 T+=E+K_40_59+F_40_59(B,C,D); \ 383 E=D, D=C, C=ROTATE(B,30), B=A; \ 384 A=ROTATE(A,5)+T; } while(0) 385 386 #define BODY_60_79(xa,xb,xc,xd) do { \ 387 Xupdate(T,xa,xa,xb,xc,xd); \ 388 T=E+K_60_79+F_60_79(B,C,D); \ 389 E=D, D=C, C=ROTATE(B,30), B=A; \ 390 A=ROTATE(A,5)+T+xa; } while(0) 391 392 #if !defined(SHA_1) || !defined(SHA1_ASM) 393 static void HASH_BLOCK_DATA_ORDER (SHA_CTX *c, const void *p, size_t num) 394 { 395 const unsigned char *data=p; 396 register unsigned MD32_REG_T A,B,C,D,E,T,l; 397 int i; 398 SHA_LONG X[16]; 399 400 A=c->h0; 401 B=c->h1; 402 C=c->h2; 403 D=c->h3; 404 E=c->h4; 405 406 for (;;) 407 { 408 for (i=0;i<16;i++) 409 { HOST_c2l(data,l); X[i]=l; BODY_00_15(X[i]); } 410 for (i=0;i<4;i++) 411 { BODY_16_19(X[i], X[i+2], X[i+8], X[(i+13)&15]); } 412 for (;i<24;i++) 413 { BODY_20_39(X[i&15], X[(i+2)&15], X[(i+8)&15],X[(i+13)&15]); } 414 for (i=0;i<20;i++) 415 { BODY_40_59(X[(i+8)&15],X[(i+10)&15],X[i&15], X[(i+5)&15]); } 416 for (i=4;i<24;i++) 417 { BODY_60_79(X[(i+8)&15],X[(i+10)&15],X[i&15], X[(i+5)&15]); } 418 419 c->h0=(c->h0+A)&0xffffffffL; 420 c->h1=(c->h1+B)&0xffffffffL; 421 c->h2=(c->h2+C)&0xffffffffL; 422 c->h3=(c->h3+D)&0xffffffffL; 423 c->h4=(c->h4+E)&0xffffffffL; 424 425 if (--num == 0) break; 426 427 A=c->h0; 428 B=c->h1; 429 C=c->h2; 430 D=c->h3; 431 E=c->h4; 432 433 } 434 } 435 #endif 436 437 #endif 438
