Annotation of embedaddon/php/ext/hash/hash_haval.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Author: Sara Golemon <pollita@php.net> |
! 16: +----------------------------------------------------------------------+
! 17: */
! 18:
! 19: /* $Id: hash_haval.c 321634 2012-01-01 13:15:04Z felipe $ */
! 20:
! 21: #include "php_hash.h"
! 22: #include "php_hash_haval.h"
! 23:
! 24: static const unsigned char PADDING[128] ={
! 25: 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 26: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 27: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 28: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 29: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 30: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 31: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
! 32: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
! 33:
! 34: static const php_hash_uint32 D0[8] = {
! 35: 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89 };
! 36:
! 37: static const php_hash_uint32 K2[32] = {
! 38: 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917,
! 39: 0x9216D5D9, 0x8979FB1B, 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96,
! 40: 0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16, 0x636920D8, 0x71574E69,
! 41: 0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5 };
! 42:
! 43: static const php_hash_uint32 K3[32] = {
! 44: 0x9C30D539, 0x2AF26013, 0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF, 0x8E79DCB0, 0x603A180E,
! 45: 0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60, 0xE65525F3, 0xAA55AB94,
! 46: 0x57489862, 0x63E81440, 0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE, 0xA15486AF, 0x7C72E993,
! 47: 0xB3EE1411, 0x636FBC2A, 0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C };
! 48:
! 49: static const php_hash_uint32 K4[32] = {
! 50: 0x7A325381, 0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193, 0x61D809CC, 0xFB21A991,
! 51: 0x487CAC60, 0x5DEC8032, 0xEF845D5D, 0xE98575B1, 0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5,
! 52: 0x0F6D6FF3, 0x83F44239, 0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 0x21C66842, 0xF6E96C9A,
! 53: 0x670C9C61, 0xABD388F0, 0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3, 0x6EEF0B6C, 0x137A3BE4 };
! 54:
! 55: static const php_hash_uint32 K5[32] = {
! 56: 0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176, 0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4,
! 57: 0x7D84A5C3, 0x3B8B5EBE, 0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6, 0x4ED3AA62, 0x363F7706,
! 58: 0x1BFEDF72, 0x429B023D, 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B, 0x075372C9, 0x80991B7B,
! 59: 0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B, 0x976CE0BD, 0x04C006BA, 0xC1A94FB6, 0x409F60C4 };
! 60:
! 61: static const short I2[32] = { 5, 14, 26, 18, 11, 28, 7, 16, 0, 23, 20, 22, 1, 10, 4, 8,
! 62: 30, 3, 21, 9, 17, 24, 29, 6, 19, 12, 15, 13, 2, 25, 31, 27 };
! 63:
! 64: static const short I3[32] = { 19, 9, 4, 20, 28, 17, 8, 22, 29, 14, 25, 12, 24, 30, 16, 26,
! 65: 31, 15, 7, 3, 1, 0, 18, 27, 13, 6, 21, 10, 23, 11, 5, 2 };
! 66:
! 67: static const short I4[32] = { 24, 4, 0, 14, 2, 7, 28, 23, 26, 6, 30, 20, 18, 25, 19, 3,
! 68: 22, 11, 31, 21, 8, 27, 12, 9, 1, 29, 5, 15, 17, 10, 16, 13 };
! 69:
! 70: static const short I5[32] = { 27, 3, 21, 26, 17, 11, 20, 29, 19, 0, 12, 7, 13, 8, 31, 10,
! 71: 5, 9, 14, 30, 18, 6, 28, 24, 2, 23, 16, 22, 4, 1, 25, 15 };
! 72:
! 73: static const short M0[32] = { 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1,
! 74: 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1 };
! 75:
! 76: static const short M1[32] = { 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2,
! 77: 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2 };
! 78:
! 79: static const short M2[32] = { 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3,
! 80: 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3 };
! 81:
! 82: static const short M3[32] = { 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4,
! 83: 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4 };
! 84:
! 85: static const short M4[32] = { 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5,
! 86: 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5 };
! 87:
! 88: static const short M5[32] = { 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6,
! 89: 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6 };
! 90:
! 91: static const short M6[32] = { 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7,
! 92: 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7 };
! 93:
! 94: static const short M7[32] = { 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0,
! 95: 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0 };
! 96:
! 97: /* {{{ Encode
! 98: Encodes input (php_hash_uint32) into output (unsigned char). Assumes len is
! 99: a multiple of 4.
! 100: */
! 101: static void Encode(unsigned char *output, php_hash_uint32 *input, unsigned int len)
! 102: {
! 103: unsigned int i, j;
! 104:
! 105: for (i = 0, j = 0; j < len; i++, j += 4) {
! 106: output[j] = (unsigned char) (input[i] & 0xff);
! 107: output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff);
! 108: output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff);
! 109: output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff);
! 110: }
! 111: }
! 112: /* }}} */
! 113:
! 114: /* {{{ Decode
! 115: Decodes input (unsigned char) into output (php_hash_uint32). Assumes len is
! 116: a multiple of 4.
! 117: */
! 118: static void Decode(php_hash_uint32 *output, const unsigned char *input, unsigned int len)
! 119: {
! 120: unsigned int i, j;
! 121:
! 122: for (i = 0, j = 0; j < len; i++, j += 4) {
! 123: output[i] = ((php_hash_uint32) input[j]) | (((php_hash_uint32) input[j + 1]) << 8) |
! 124: (((php_hash_uint32) input[j + 2]) << 16) | (((php_hash_uint32) input[j + 3]) << 24);
! 125: }
! 126: }
! 127: /* }}} */
! 128:
! 129: #define F1(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x1)) ^ (x0) )
! 130: #define F2(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x1) & (x2)) ^ ((x1) & (x4)) ^ \
! 131: ((x2) & (x6)) ^ ((x3) & (x5)) ^ ((x4) & (x5)) ^ ((x0) & (x2)) ^ (x0) )
! 132: #define F3(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x3)) ^ (x0) )
! 133: #define F4(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x3) & (x4) & (x6)) ^ \
! 134: ((x1) & (x4)) ^ ((x2) & (x6)) ^ ((x3) & (x4)) ^ ((x3) & (x5)) ^ \
! 135: ((x3) & (x6)) ^ ((x4) & (x5)) ^ ((x4) & (x6)) ^ ((x0) & (x4)) ^ (x0) )
! 136: #define F5(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ \
! 137: ((x0) & (x1) & (x2) & (x3)) ^ ((x0) & (x5)) ^ (x0) )
! 138:
! 139: #define ROTR(x,n) (((x) >> (n)) | ((x) << (32 - (n))))
! 140:
! 141:
! 142: /* {{{ PHP_3HAVALTransform
! 143: */
! 144: static void PHP_3HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
! 145: {
! 146: php_hash_uint32 E[8];
! 147: php_hash_uint32 x[32];
! 148: int i;
! 149:
! 150: Decode(x, block, 128);
! 151:
! 152: for(i = 0; i < 8; i++) {
! 153: E[i] = state[i];
! 154: }
! 155:
! 156: for(i = 0; i < 32; i++) {
! 157: E[7 - (i % 8)] = ROTR(F1(E[M1[i]],E[M0[i]],E[M3[i]],E[M5[i]],E[M6[i]],E[M2[i]],E[M4[i]]),7) + ROTR(E[M7[i]],11) + x[i];
! 158: }
! 159: for(i = 0; i < 32; i++) {
! 160: E[7 - (i % 8)] = ROTR(F2(E[M4[i]],E[M2[i]],E[M1[i]],E[M0[i]],E[M5[i]],E[M3[i]],E[M6[i]]),7) + ROTR(E[M7[i]],11) + x[I2[i]] + K2[i];
! 161: }
! 162: for(i = 0; i < 32; i++) {
! 163: E[7 - (i % 8)] = ROTR(F3(E[M6[i]],E[M1[i]],E[M2[i]],E[M3[i]],E[M4[i]],E[M5[i]],E[M0[i]]),7) + ROTR(E[M7[i]],11) + x[I3[i]] + K3[i];
! 164: }
! 165:
! 166: /* Update digest */
! 167: for(i = 0; i < 8; i++) {
! 168: state[i] += E[i];
! 169: }
! 170:
! 171: /* Zeroize sensitive information. */
! 172: memset((unsigned char*) x, 0, sizeof(x));
! 173: }
! 174: /* }}} */
! 175:
! 176: /* {{{ PHP_4HAVALTransform
! 177: */
! 178: static void PHP_4HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
! 179: {
! 180: php_hash_uint32 E[8];
! 181: php_hash_uint32 x[32];
! 182: int i;
! 183:
! 184: Decode(x, block, 128);
! 185:
! 186: for(i = 0; i < 8; i++) {
! 187: E[i] = state[i];
! 188: }
! 189:
! 190: for(i = 0; i < 32; i++) {
! 191: E[7 - (i % 8)] = ROTR(F1(E[M2[i]],E[M6[i]],E[M1[i]],E[M4[i]],E[M5[i]],E[M3[i]],E[M0[i]]),7) + ROTR(E[M7[i]],11) + x[i];
! 192: }
! 193: for(i = 0; i < 32; i++) {
! 194: E[7 - (i % 8)] = ROTR(F2(E[M3[i]],E[M5[i]],E[M2[i]],E[M0[i]],E[M1[i]],E[M6[i]],E[M4[i]]),7) + ROTR(E[M7[i]],11) + x[I2[i]] + K2[i];
! 195: }
! 196: for(i = 0; i < 32; i++) {
! 197: E[7 - (i % 8)] = ROTR(F3(E[M1[i]],E[M4[i]],E[M3[i]],E[M6[i]],E[M0[i]],E[M2[i]],E[M5[i]]),7) + ROTR(E[M7[i]],11) + x[I3[i]] + K3[i];
! 198: }
! 199: for(i = 0; i < 32; i++) {
! 200: E[7 - (i % 8)] = ROTR(F4(E[M6[i]],E[M4[i]],E[M0[i]],E[M5[i]],E[M2[i]],E[M1[i]],E[M3[i]]),7) + ROTR(E[M7[i]],11) + x[I4[i]] + K4[i];
! 201: }
! 202:
! 203: /* Update digest */
! 204: for(i = 0; i < 8; i++) {
! 205: state[i] += E[i];
! 206: }
! 207:
! 208: /* Zeroize sensitive information. */
! 209: memset((unsigned char*) x, 0, sizeof(x));
! 210: }
! 211: /* }}} */
! 212:
! 213: /* {{{ PHP_5HAVALTransform
! 214: */
! 215: static void PHP_5HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
! 216: {
! 217: php_hash_uint32 E[8];
! 218: php_hash_uint32 x[32];
! 219: int i;
! 220:
! 221: Decode(x, block, 128);
! 222:
! 223: for(i = 0; i < 8; i++) {
! 224: E[i] = state[i];
! 225: }
! 226: for(i = 0; i < 32; i++) {
! 227: E[7 - (i % 8)] = ROTR(F1(E[M3[i]],E[M4[i]],E[M1[i]],E[M0[i]],E[M5[i]],E[M2[i]],E[M6[i]]),7) + ROTR(E[M7[i]],11) + x[i];
! 228: }
! 229: for(i = 0; i < 32; i++) {
! 230: E[7 - (i % 8)] = ROTR(F2(E[M6[i]],E[M2[i]],E[M1[i]],E[M0[i]],E[M3[i]],E[M4[i]],E[M5[i]]),7) + ROTR(E[M7[i]],11) + x[I2[i]] + K2[i];
! 231: }
! 232: for(i = 0; i < 32; i++) {
! 233: E[7 - (i % 8)] = ROTR(F3(E[M2[i]],E[M6[i]],E[M0[i]],E[M4[i]],E[M3[i]],E[M1[i]],E[M5[i]]),7) + ROTR(E[M7[i]],11) + x[I3[i]] + K3[i];
! 234: }
! 235: for(i = 0; i < 32; i++) {
! 236: E[7 - (i % 8)] = ROTR(F4(E[M1[i]],E[M5[i]],E[M3[i]],E[M2[i]],E[M0[i]],E[M4[i]],E[M6[i]]),7) + ROTR(E[M7[i]],11) + x[I4[i]] + K4[i];
! 237: }
! 238: for(i = 0; i < 32; i++) {
! 239: E[7 - (i % 8)] = ROTR(F5(E[M2[i]],E[M5[i]],E[M0[i]],E[M6[i]],E[M4[i]],E[M3[i]],E[M1[i]]),7) + ROTR(E[M7[i]],11) + x[I5[i]] + K5[i];
! 240: }
! 241:
! 242: /* Update digest */
! 243: for(i = 0; i < 8; i++) {
! 244: state[i] += E[i];
! 245: }
! 246:
! 247: /* Zeroize sensitive information. */
! 248: memset((unsigned char*) x, 0, sizeof(x));
! 249: }
! 250: /* }}} */
! 251:
! 252: #define PHP_HASH_HAVAL_INIT(p,b) \
! 253: const php_hash_ops php_hash_##p##haval##b##_ops = { \
! 254: (php_hash_init_func_t) PHP_##p##HAVAL##b##Init, \
! 255: (php_hash_update_func_t) PHP_HAVALUpdate, \
! 256: (php_hash_final_func_t) PHP_HAVAL##b##Final, \
! 257: (php_hash_copy_func_t) php_hash_copy, \
! 258: ((b) / 8), 128, sizeof(PHP_HAVAL_CTX) }; \
! 259: PHP_HASH_API void PHP_##p##HAVAL##b##Init(PHP_HAVAL_CTX *context) \
! 260: { int i; context->count[0] = context->count[1] = 0; \
! 261: for(i = 0; i < 8; i++) context->state[i] = D0[i]; \
! 262: context->passes = p; context->output = b; \
! 263: context->Transform = PHP_##p##HAVALTransform; }
! 264:
! 265: PHP_HASH_HAVAL_INIT(3,128)
! 266: PHP_HASH_HAVAL_INIT(3,160)
! 267: PHP_HASH_HAVAL_INIT(3,192)
! 268: PHP_HASH_HAVAL_INIT(3,224)
! 269: PHP_HASH_HAVAL_INIT(3,256)
! 270:
! 271: PHP_HASH_HAVAL_INIT(4,128)
! 272: PHP_HASH_HAVAL_INIT(4,160)
! 273: PHP_HASH_HAVAL_INIT(4,192)
! 274: PHP_HASH_HAVAL_INIT(4,224)
! 275: PHP_HASH_HAVAL_INIT(4,256)
! 276:
! 277: PHP_HASH_HAVAL_INIT(5,128)
! 278: PHP_HASH_HAVAL_INIT(5,160)
! 279: PHP_HASH_HAVAL_INIT(5,192)
! 280: PHP_HASH_HAVAL_INIT(5,224)
! 281: PHP_HASH_HAVAL_INIT(5,256)
! 282:
! 283: /* {{{ PHP_HAVALUpdate
! 284: */
! 285: PHP_HASH_API void PHP_HAVALUpdate(PHP_HAVAL_CTX *context, const unsigned char *input, unsigned int inputLen)
! 286: {
! 287: unsigned int i, index, partLen;
! 288:
! 289: /* Compute number of bytes mod 128 */
! 290: index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
! 291: /* Update number of bits */
! 292: if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
! 293: context->count[1]++;
! 294: }
! 295: context->count[1] += ((php_hash_uint32) inputLen >> 29);
! 296:
! 297: partLen = 128 - index;
! 298:
! 299: /* Transform as many times as possible.
! 300: */
! 301: if (inputLen >= partLen) {
! 302: memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
! 303: context->Transform(context->state, context->buffer);
! 304:
! 305: for (i = partLen; i + 127 < inputLen; i += 128) {
! 306: context->Transform(context->state, &input[i]);
! 307: }
! 308:
! 309: index = 0;
! 310: } else {
! 311: i = 0;
! 312: }
! 313:
! 314: /* Buffer remaining input */
! 315: memcpy((unsigned char*) &context->buffer[index], (unsigned char*) &input[i], inputLen - i);
! 316: }
! 317: /* }}} */
! 318:
! 319: #define PHP_HASH_HAVAL_VERSION 0x01
! 320:
! 321: /* {{{ PHP_HAVAL128Final
! 322: */
! 323: PHP_HASH_API void PHP_HAVAL128Final(unsigned char *digest, PHP_HAVAL_CTX * context)
! 324: {
! 325: unsigned char bits[10];
! 326: unsigned int index, padLen;
! 327:
! 328: /* Version, Passes, and Digest Length */
! 329: bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
! 330: ((context->passes & 0x07) << 3) |
! 331: ((context->output & 0x03) << 6);
! 332: bits[1] = (context->output >> 2);
! 333:
! 334: /* Save number of bits */
! 335: Encode(bits + 2, context->count, 8);
! 336:
! 337: /* Pad out to 118 mod 128.
! 338: */
! 339: index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
! 340: padLen = (index < 118) ? (118 - index) : (246 - index);
! 341: PHP_HAVALUpdate(context, PADDING, padLen);
! 342:
! 343: /* Append version, passes, digest length, and message length */
! 344: PHP_HAVALUpdate(context, bits, 10);
! 345:
! 346: /* Store state in digest */
! 347: context->state[3] += (context->state[7] & 0xFF000000) |
! 348: (context->state[6] & 0x00FF0000) |
! 349: (context->state[5] & 0x0000FF00) |
! 350: (context->state[4] & 0x000000FF);
! 351:
! 352: context->state[2] += (((context->state[7] & 0x00FF0000) |
! 353: (context->state[6] & 0x0000FF00) |
! 354: (context->state[5] & 0x000000FF)) << 8) |
! 355: ((context->state[4] & 0xFF000000) >> 24);
! 356:
! 357: context->state[1] += (((context->state[7] & 0x0000FF00) |
! 358: (context->state[6] & 0x000000FF)) << 16) |
! 359: (((context->state[5] & 0xFF000000) |
! 360: (context->state[4] & 0x00FF0000)) >> 16);
! 361:
! 362: context->state[0] += ((context->state[7] & 0x000000FF) << 24) |
! 363: (((context->state[6] & 0xFF000000) |
! 364: (context->state[5] & 0x00FF0000) |
! 365: (context->state[4] & 0x0000FF00)) >> 8);
! 366:
! 367: Encode(digest, context->state, 16);
! 368:
! 369: /* Zeroize sensitive information.
! 370: */
! 371: memset((unsigned char*) context, 0, sizeof(*context));
! 372: }
! 373: /* }}} */
! 374:
! 375: /* {{{ PHP_HAVAL160Final
! 376: */
! 377: PHP_HASH_API void PHP_HAVAL160Final(unsigned char *digest, PHP_HAVAL_CTX * context)
! 378: {
! 379: unsigned char bits[10];
! 380: unsigned int index, padLen;
! 381:
! 382: /* Version, Passes, and Digest Length */
! 383: bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
! 384: ((context->passes & 0x07) << 3) |
! 385: ((context->output & 0x03) << 6);
! 386: bits[1] = (context->output >> 2);
! 387:
! 388: /* Save number of bits */
! 389: Encode(bits + 2, context->count, 8);
! 390:
! 391: /* Pad out to 118 mod 128.
! 392: */
! 393: index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
! 394: padLen = (index < 118) ? (118 - index) : (246 - index);
! 395: PHP_HAVALUpdate(context, PADDING, padLen);
! 396:
! 397: /* Append version, passes, digest length, and message length */
! 398: PHP_HAVALUpdate(context, bits, 10);
! 399:
! 400: /* Store state in digest */
! 401: context->state[4] += ((context->state[7] & 0xFE000000) |
! 402: (context->state[6] & 0x01F80000) |
! 403: (context->state[5] & 0x0007F000)) >> 12;
! 404:
! 405: context->state[3] += ((context->state[7] & 0x01F80000) |
! 406: (context->state[6] & 0x0007F000) |
! 407: (context->state[5] & 0x00000FC0)) >> 6;
! 408:
! 409: context->state[2] += (context->state[7] & 0x0007F000) |
! 410: (context->state[6] & 0x00000FC0) |
! 411: (context->state[5] & 0x0000003F);
! 412:
! 413: context->state[1] += ROTR((context->state[7] & 0x00000FC0) |
! 414: (context->state[6] & 0x0000003F) |
! 415: (context->state[5] & 0xFE000000), 25);
! 416:
! 417: context->state[0] += ROTR((context->state[7] & 0x0000003F) |
! 418: (context->state[6] & 0xFE000000) |
! 419: (context->state[5] & 0x01F80000), 19);
! 420:
! 421: Encode(digest, context->state, 20);
! 422:
! 423: /* Zeroize sensitive information.
! 424: */
! 425: memset((unsigned char*) context, 0, sizeof(*context));
! 426: }
! 427: /* }}} */
! 428:
! 429: /* {{{ PHP_HAVAL192Final
! 430: */
! 431: PHP_HASH_API void PHP_HAVAL192Final(unsigned char *digest, PHP_HAVAL_CTX * context)
! 432: {
! 433: unsigned char bits[10];
! 434: unsigned int index, padLen;
! 435:
! 436: /* Version, Passes, and Digest Length */
! 437: bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
! 438: ((context->passes & 0x07) << 3) |
! 439: ((context->output & 0x03) << 6);
! 440: bits[1] = (context->output >> 2);
! 441:
! 442: /* Save number of bits */
! 443: Encode(bits + 2, context->count, 8);
! 444:
! 445: /* Pad out to 118 mod 128.
! 446: */
! 447: index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
! 448: padLen = (index < 118) ? (118 - index) : (246 - index);
! 449: PHP_HAVALUpdate(context, PADDING, padLen);
! 450:
! 451: /* Append version, passes, digest length, and message length */
! 452: PHP_HAVALUpdate(context, bits, 10);
! 453:
! 454: /* Store state in digest */
! 455: context->state[5] += ((context->state[7] & 0xFC000000) | (context->state[6] & 0x03E00000)) >> 21;
! 456: context->state[4] += ((context->state[7] & 0x03E00000) | (context->state[6] & 0x001F0000)) >> 16;
! 457: context->state[3] += ((context->state[7] & 0x001F0000) | (context->state[6] & 0x0000FC00)) >> 10;
! 458: context->state[2] += ((context->state[7] & 0x0000FC00) | (context->state[6] & 0x000003E0)) >> 5;
! 459: context->state[1] += (context->state[7] & 0x000003E0) | (context->state[6] & 0x0000001F);
! 460: context->state[0] += ROTR((context->state[7] & 0x0000001F) | (context->state[6] & 0xFC000000), 26);
! 461: Encode(digest, context->state, 24);
! 462:
! 463: /* Zeroize sensitive information.
! 464: */
! 465: memset((unsigned char*) context, 0, sizeof(*context));
! 466: }
! 467: /* }}} */
! 468:
! 469: /* {{{ PHP_HAVAL224Final
! 470: */
! 471: PHP_HASH_API void PHP_HAVAL224Final(unsigned char *digest, PHP_HAVAL_CTX * context)
! 472: {
! 473: unsigned char bits[10];
! 474: unsigned int index, padLen;
! 475:
! 476: /* Version, Passes, and Digest Length */
! 477: bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
! 478: ((context->passes & 0x07) << 3) |
! 479: ((context->output & 0x03) << 6);
! 480: bits[1] = (context->output >> 2);
! 481:
! 482: /* Save number of bits */
! 483: Encode(bits + 2, context->count, 8);
! 484:
! 485: /* Pad out to 118 mod 128.
! 486: */
! 487: index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
! 488: padLen = (index < 118) ? (118 - index) : (246 - index);
! 489: PHP_HAVALUpdate(context, PADDING, padLen);
! 490:
! 491: /* Append version, passes, digest length, and message length */
! 492: PHP_HAVALUpdate(context, bits, 10);
! 493:
! 494: /* Store state in digest */
! 495: context->state[6] += context->state[7] & 0x0000000F;
! 496: context->state[5] += (context->state[7] >> 4) & 0x0000001F;
! 497: context->state[4] += (context->state[7] >> 9) & 0x0000000F;
! 498: context->state[3] += (context->state[7] >> 13) & 0x0000001F;
! 499: context->state[2] += (context->state[7] >> 18) & 0x0000000F;
! 500: context->state[1] += (context->state[7] >> 22) & 0x0000001F;
! 501: context->state[0] += (context->state[7] >> 27) & 0x0000001F;
! 502: Encode(digest, context->state, 28);
! 503:
! 504: /* Zeroize sensitive information.
! 505: */
! 506: memset((unsigned char*) context, 0, sizeof(*context));
! 507: }
! 508: /* }}} */
! 509:
! 510: /* {{{ PHP_HAVAL256Final
! 511: */
! 512: PHP_HASH_API void PHP_HAVAL256Final(unsigned char *digest, PHP_HAVAL_CTX * context)
! 513: {
! 514: unsigned char bits[10];
! 515: unsigned int index, padLen;
! 516:
! 517: /* Version, Passes, and Digest Length */
! 518: bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
! 519: ((context->passes & 0x07) << 3) |
! 520: ((context->output & 0x03) << 6);
! 521: bits[1] = (context->output >> 2);
! 522:
! 523: /* Save number of bits */
! 524: Encode(bits + 2, context->count, 8);
! 525:
! 526: /* Pad out to 118 mod 128.
! 527: */
! 528: index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
! 529: padLen = (index < 118) ? (118 - index) : (246 - index);
! 530: PHP_HAVALUpdate(context, PADDING, padLen);
! 531:
! 532: /* Append version, passes, digest length, and message length */
! 533: PHP_HAVALUpdate(context, bits, 10);
! 534:
! 535: /* Store state in digest */
! 536: Encode(digest, context->state, 32);
! 537:
! 538: /* Zeroize sensitive information.
! 539: */
! 540: memset((unsigned char*) context, 0, sizeof(*context));
! 541: }
! 542: /* }}} */
! 543:
! 544: /*
! 545: * Local variables:
! 546: * tab-width: 4
! 547: * c-basic-offset: 4
! 548: * End:
! 549: * vim600: sw=4 ts=4 fdm=marker
! 550: * vim<600: sw=4 ts=4
! 551: */
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