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/ext/hash/hash_haval.c

http://github.com/infusion/PHP
C | 551 lines | 336 code | 101 blank | 114 comment | 25 complexity | 626e1897f47a2bf65c2df90098261012 MD5 | raw file
Possible License(s): MPL-2.0-no-copyleft-exception, LGPL-2.1, BSD-3-Clause 
    

  1. /*
    2. 

  2.   +----------------------------------------------------------------------+
    3. 

  3.   | PHP Version 5                                                        |
    4. 

  4.   +----------------------------------------------------------------------+
    5. 

  5.   | Copyright (c) 1997-2011 The PHP Group                                |
    6. 

  6.   +----------------------------------------------------------------------+
    7. 

  7.   | This source file is subject to version 3.01 of the PHP license,      |
    8. 

  8.   | that is bundled with this package in the file LICENSE, and is        |
    9. 

  9.   | available through the world-wide-web at the following url:           |
    10. 

  10.   | http://www.php.net/license/3_01.txt                                  |
    11. 

  11.   | If you did not receive a copy of the PHP license and are unable to   |
    12. 

  12.   | obtain it through the world-wide-web, please send a note to          |
    13. 

  13.   | license@php.net so we can mail you a copy immediately.               |
    14. 

  14.   +----------------------------------------------------------------------+
    15. 

  15.   | Author: Sara Golemon <pollita@php.net>                               |
    16. 

  16.   +----------------------------------------------------------------------+
    17. 

  17. */
    18. 

  18. 

  19. /* $Id: hash_haval.c 306939 2011-01-01 02:19:59Z felipe $ */
    20. 

  20. 

  21. #include "php_hash.h"
    22. 

  22. #include "php_hash_haval.h"
    23. 

  23. 

  24. static const unsigned char PADDING[128] ={
    25. 

  25. 	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    26. 

  26. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    27. 

  27. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    28. 

  28. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    29. 

  29. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    30. 

  30. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    31. 

  31. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
    32. 

  32. 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    33. 

  33. 

  34. static const php_hash_uint32 D0[8] = {
    35. 

  35. 	0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89 };
    36. 

  36. 

  37. static const php_hash_uint32 K2[32] = {
    38. 

  38. 	0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917,
    39. 

  39. 	0x9216D5D9, 0x8979FB1B, 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96,
    40. 

  40. 	0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16, 0x636920D8, 0x71574E69,
    41. 

  41. 	0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5 };
    42. 

  42. 

  43. static const php_hash_uint32 K3[32] = {
    44. 

  44. 	0x9C30D539, 0x2AF26013, 0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF, 0x8E79DCB0, 0x603A180E,
    45. 

  45. 	0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60, 0xE65525F3, 0xAA55AB94,
    46. 

  46. 	0x57489862, 0x63E81440, 0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE, 0xA15486AF, 0x7C72E993,
    47. 

  47. 	0xB3EE1411, 0x636FBC2A, 0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C };
    48. 

  48. 

  49. static const php_hash_uint32 K4[32] = {
    50. 

  50. 	0x7A325381, 0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193, 0x61D809CC, 0xFB21A991,
    51. 

  51. 	0x487CAC60, 0x5DEC8032, 0xEF845D5D, 0xE98575B1, 0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5,
    52. 

  52. 	0x0F6D6FF3, 0x83F44239, 0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 0x21C66842, 0xF6E96C9A,
    53. 

  53. 	0x670C9C61, 0xABD388F0, 0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3, 0x6EEF0B6C, 0x137A3BE4 };
    54. 

  54. 

  55. static const php_hash_uint32 K5[32] = {
    56. 

  56. 	0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176, 0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4,
    57. 

  57. 	0x7D84A5C3, 0x3B8B5EBE, 0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6, 0x4ED3AA62, 0x363F7706,
    58. 

  58. 	0x1BFEDF72, 0x429B023D, 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B, 0x075372C9, 0x80991B7B,
    59. 

  59. 	0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B, 0x976CE0BD, 0x04C006BA, 0xC1A94FB6, 0x409F60C4 };
    60. 

  60. 

  61. static const short I2[32] = {	 5, 14, 26, 18, 11, 28,  7, 16,  0, 23, 20, 22,  1, 10,  4,  8,
    62. 

  62. 						30,  3, 21,  9, 17, 24, 29,  6, 19, 12, 15, 13,  2, 25, 31, 27 };
    63. 

  63. 

  64. static const short I3[32] = {	19,  9,  4, 20, 28, 17,  8, 22, 29, 14, 25, 12, 24, 30, 16, 26,
    65. 

  65. 						31, 15,  7,  3,  1,  0, 18, 27, 13,  6, 21, 10, 23, 11,  5,  2 };
    66. 

  66. 

  67. static const short I4[32] = {	24,  4,  0, 14,  2,  7, 28, 23, 26,  6, 30, 20, 18, 25, 19,  3,
    68. 

  68. 						22, 11, 31, 21,  8, 27, 12,  9,  1, 29,  5, 15, 17, 10, 16, 13 };
    69. 

  69. 

  70. static const short I5[32] = {	27,  3, 21, 26, 17, 11, 20, 29, 19,  0, 12,  7, 13,  8, 31, 10,
    71. 

  71. 						 5,  9, 14, 30, 18,  6, 28, 24,  2, 23, 16, 22,  4,  1, 25, 15 };
    72. 

  72. 

  73. static const short M0[32] = {	0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1,
    74. 

  74. 						0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1 };
    75. 

  75. 

  76. static const short M1[32] = {	1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2,
    77. 

  77. 						1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2 };
    78. 

  78. 

  79. static const short M2[32] = {	2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3,
    80. 

  80. 						2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3 };
    81. 

  81. 

  82. static const short M3[32] = {	3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4,
    83. 

  83. 						3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4 };
    84. 

  84. 

  85. static const short M4[32] = {	4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5,
    86. 

  86. 						4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5 };
    87. 

  87. 

  88. static const short M5[32] = {	5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6,
    89. 

  89. 						5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6 };
    90. 

  90. 

  91. static const short M6[32] = {	6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7,
    92. 

  92. 						6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7 };
    93. 

  93. 

  94. static const short M7[32] = {	7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0,
    95. 

  95. 						7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0 };
    96. 

  96. 

  97. /* {{{ Encode
    98. 

  98.    Encodes input (php_hash_uint32) into output (unsigned char). Assumes len is
    99. 

  99.    a multiple of 4.
    100. 

  100.  */
    101. 

  101. static void Encode(unsigned char *output, php_hash_uint32 *input, unsigned int len)
    102. 

  102. {
    103. 

  103. 	unsigned int i, j;
    104. 

  104. 

  105. 	for (i = 0, j = 0; j < len; i++, j += 4) {
    106. 

  106. 		output[j] = (unsigned char) (input[i] & 0xff);
    107. 

  107. 		output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff);
    108. 

  108. 		output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff);
    109. 

  109. 		output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff);
    110. 

  110. 	}
    111. 

  111. }
    112. 

  112. /* }}} */
    113. 

  113. 

  114. /* {{{ Decode
    115. 

  115.    Decodes input (unsigned char) into output (php_hash_uint32). Assumes len is
    116. 

  116.    a multiple of 4.
    117. 

  117.  */
    118. 

  118. static void Decode(php_hash_uint32 *output, const unsigned char *input, unsigned int len)
    119. 

  119. {
    120. 

  120. 	unsigned int i, j;
    121. 

  121. 

  122. 	for (i = 0, j = 0; j < len; i++, j += 4) {
    123. 

  123. 		output[i] = ((php_hash_uint32) input[j]) | (((php_hash_uint32) input[j + 1]) << 8) |
    124. 

  124. 			(((php_hash_uint32) input[j + 2]) << 16) | (((php_hash_uint32) input[j + 3]) << 24);
    125. 

  125. 	}
    126. 

  126. }
    127. 

  127. /* }}} */
    128. 

  128. 

  129. #define F1(x6,x5,x4,x3,x2,x1,x0)	( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x1)) ^ (x0) )
    130. 

  130. #define F2(x6,x5,x4,x3,x2,x1,x0)	( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x1) & (x2)) ^ ((x1) & (x4)) ^ \
    131. 

  131. 									  ((x2) & (x6)) ^ ((x3) & (x5)) ^ ((x4) & (x5)) ^ ((x0) & (x2)) ^ (x0) )
    132. 

  132. #define F3(x6,x5,x4,x3,x2,x1,x0)	( ((x1) & (x2) & (x3)) ^ ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x3)) ^ (x0) )
    133. 

  133. #define F4(x6,x5,x4,x3,x2,x1,x0)	( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x3) & (x4) & (x6)) ^ \
    134. 

  134. 									  ((x1) & (x4)) ^ ((x2) & (x6)) ^ ((x3) & (x4)) ^ ((x3) & (x5)) ^ \
    135. 

  135. 									  ((x3) & (x6)) ^ ((x4) & (x5)) ^ ((x4) & (x6)) ^ ((x0) & (x4)) ^ (x0) )
    136. 

  136. #define F5(x6,x5,x4,x3,x2,x1,x0)	( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ \
    137. 

  137. 									  ((x0) & (x1) & (x2) & (x3)) ^ ((x0) & (x5)) ^ (x0) )
    138. 

  138. 

  139. #define ROTR(x,n)	(((x) >> (n)) | ((x) << (32 - (n))))
    140. 

  140. 

  141. 

  142. /* {{{ PHP_3HAVALTransform
    143. 

  143.  */
    144. 

  144. static void PHP_3HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
    145. 

  145. {
    146. 

  146. 	php_hash_uint32 E[8];
    147. 

  147. 	php_hash_uint32 x[32];
    148. 

  148. 	int i;
    149. 

  149. 

  150. 	Decode(x, block, 128);
    151. 

  151. 

  152. 	for(i = 0; i < 8; i++) {
    153. 

  153. 		E[i] = state[i];
    154. 

  154. 	}
    155. 

  155. 

  156. 	for(i = 0; i < 32; i++) {
    157. 

  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. 

  158. 	}
    159. 

  159. 	for(i = 0; i < 32; i++) {
    160. 

  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. 

  161. 	}
    162. 

  162. 	for(i = 0; i < 32; i++) {
    163. 

  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. 

  164. 	}
    165. 

  165. 

  166. 	/* Update digest */
    167. 

  167. 	for(i = 0; i < 8; i++) {
    168. 

  168. 		state[i] += E[i];
    169. 

  169. 	}
    170. 

  170. 

  171. 	/* Zeroize sensitive information. */
    172. 

  172. 	memset((unsigned char*) x, 0, sizeof(x));
    173. 

  173. }
    174. 

  174. /* }}} */
    175. 

  175. 

  176. /* {{{ PHP_4HAVALTransform
    177. 

  177.  */
    178. 

  178. static void PHP_4HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
    179. 

  179. {
    180. 

  180. 	php_hash_uint32 E[8];
    181. 

  181. 	php_hash_uint32 x[32];
    182. 

  182. 	int i;
    183. 

  183. 

  184. 	Decode(x, block, 128);
    185. 

  185. 

  186. 	for(i = 0; i < 8; i++) {
    187. 

  187. 		E[i] = state[i];
    188. 

  188. 	}
    189. 

  189. 

  190. 	for(i = 0; i < 32; i++) {
    191. 

  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. 

  192. 	}
    193. 

  193. 	for(i = 0; i < 32; i++) {
    194. 

  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. 

  195. 	}
    196. 

  196. 	for(i = 0; i < 32; i++) {
    197. 

  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. 

  198. 	}
    199. 

  199. 	for(i = 0; i < 32; i++) {
    200. 

  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. 

  201. 	}
    202. 

  202. 

  203. 	/* Update digest */
    204. 

  204. 	for(i = 0; i < 8; i++) {
    205. 

  205. 		state[i] += E[i];
    206. 

  206. 	}
    207. 

  207. 

  208. 	/* Zeroize sensitive information. */
    209. 

  209. 	memset((unsigned char*) x, 0, sizeof(x));
    210. 

  210. }
    211. 

  211. /* }}} */
    212. 

  212. 

  213. /* {{{ PHP_5HAVALTransform
    214. 

  214.  */
    215. 

  215. static void PHP_5HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
    216. 

  216. {
    217. 

  217. 	php_hash_uint32 E[8];
    218. 

  218. 	php_hash_uint32 x[32];
    219. 

  219. 	int i;
    220. 

  220. 

  221. 	Decode(x, block, 128);
    222. 

  222. 

  223. 	for(i = 0; i < 8; i++) {
    224. 

  224. 		E[i] = state[i];
    225. 

  225. 	}
    226. 

  226. 	for(i = 0; i < 32; i++) {
    227. 

  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. 

  228. 	}
    229. 

  229. 	for(i = 0; i < 32; i++) {
    230. 

  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. 

  231. 	}
    232. 

  232. 	for(i = 0; i < 32; i++) {
    233. 

  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. 

  234. 	}
    235. 

  235. 	for(i = 0; i < 32; i++) {
    236. 

  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. 

  237. 	}
    238. 

  238. 	for(i = 0; i < 32; i++) {
    239. 

  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. 

  240. 	}
    241. 

  241. 

  242. 	/* Update digest */
    243. 

  243. 	for(i = 0; i < 8; i++) {
    244. 

  244. 		state[i] += E[i];
    245. 

  245. 	}
    246. 

  246. 

  247. 	/* Zeroize sensitive information. */
    248. 

  248. 	memset((unsigned char*) x, 0, sizeof(x));
    249. 

  249. }
    250. 

  250. /* }}} */
    251. 

  251. 

  252. #define PHP_HASH_HAVAL_INIT(p,b) \
    253. 

  253. const php_hash_ops php_hash_##p##haval##b##_ops = { \
    254. 

  254. 	(php_hash_init_func_t) PHP_##p##HAVAL##b##Init, \
    255. 

  255. 	(php_hash_update_func_t) PHP_HAVALUpdate, \
    256. 

  256. 	(php_hash_final_func_t) PHP_HAVAL##b##Final, \
    257. 

  257. 	(php_hash_copy_func_t) php_hash_copy, \
    258. 

  258. 	((b) / 8), 128, sizeof(PHP_HAVAL_CTX) }; \
    259. 

  259. PHP_HASH_API void PHP_##p##HAVAL##b##Init(PHP_HAVAL_CTX *context) \
    260. 

  260. {	int i; context->count[0] = 	context->count[1] = 	0; \
    261. 

  261. 	for(i = 0; i < 8; i++) context->state[i] = D0[i]; \
    262. 

  262. 	context->passes = p;	context->output = b; \
    263. 

  263. 	context->Transform = PHP_##p##HAVALTransform; }
    264. 

  264. 

  265. PHP_HASH_HAVAL_INIT(3,128)
    266. 

  266. PHP_HASH_HAVAL_INIT(3,160)
    267. 

  267. PHP_HASH_HAVAL_INIT(3,192)
    268. 

  268. PHP_HASH_HAVAL_INIT(3,224)
    269. 

  269. PHP_HASH_HAVAL_INIT(3,256)
    270. 

  270. 

  271. PHP_HASH_HAVAL_INIT(4,128)
    272. 

  272. PHP_HASH_HAVAL_INIT(4,160)
    273. 

  273. PHP_HASH_HAVAL_INIT(4,192)
    274. 

  274. PHP_HASH_HAVAL_INIT(4,224)
    275. 

  275. PHP_HASH_HAVAL_INIT(4,256)
    276. 

  276. 

  277. PHP_HASH_HAVAL_INIT(5,128)
    278. 

  278. PHP_HASH_HAVAL_INIT(5,160)
    279. 

  279. PHP_HASH_HAVAL_INIT(5,192)
    280. 

  280. PHP_HASH_HAVAL_INIT(5,224)
    281. 

  281. PHP_HASH_HAVAL_INIT(5,256)
    282. 

  282. 

  283. /* {{{ PHP_HAVALUpdate
    284. 

  284.  */
    285. 

  285. PHP_HASH_API void PHP_HAVALUpdate(PHP_HAVAL_CTX *context, const unsigned char *input, unsigned int inputLen)
    286. 

  286. {
    287. 

  287. 	unsigned int i, index, partLen;
    288. 

  288. 

  289. 	/* Compute number of bytes mod 128 */
    290. 

  290. 	index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
    291. 

  291. 	/* Update number of bits */
    292. 

  292. 	if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
    293. 

  293. 		context->count[1]++;
    294. 

  294. 	}
    295. 

  295. 	context->count[1] += ((php_hash_uint32) inputLen >> 29);
    296. 

  296. 

  297. 	partLen = 128 - index;
    298. 

  298. 

  299. 	/* Transform as many times as possible.
    300. 

  300. 	 */
    301. 

  301. 	if (inputLen >= partLen) {
    302. 

  302. 		memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
    303. 

  303. 		context->Transform(context->state, context->buffer);
    304. 

  304. 

  305. 		for (i = partLen; i + 127 < inputLen; i += 128) {
    306. 

  306. 			context->Transform(context->state, &input[i]);
    307. 

  307. 		}
    308. 

  308. 

  309. 		index = 0;
    310. 

  310. 	} else {
    311. 

  311. 		i = 0;
    312. 

  312. 	}
    313. 

  313. 

  314. 	/* Buffer remaining input */
    315. 

  315. 	memcpy((unsigned char*) &context->buffer[index], (unsigned char*) &input[i], inputLen - i);
    316. 

  316. }
    317. 

  317. /* }}} */
    318. 

  318. 

  319. #define PHP_HASH_HAVAL_VERSION	0x01
    320. 

  320. 

  321. /* {{{ PHP_HAVAL128Final
    322. 

  322.  */
    323. 

  323. PHP_HASH_API void PHP_HAVAL128Final(unsigned char *digest, PHP_HAVAL_CTX * context)
    324. 

  324. {
    325. 

  325. 	unsigned char bits[10];
    326. 

  326. 	unsigned int index, padLen;
    327. 

  327. 

  328. 	/* Version, Passes, and Digest Length */
    329. 

  329. 	bits[0] =	(PHP_HASH_HAVAL_VERSION & 0x07) |
    330. 

  330. 				((context->passes & 0x07) << 3) |
    331. 

  331. 				((context->output & 0x03) << 6);
    332. 

  332. 	bits[1] = (context->output >> 2);
    333. 

  333. 

  334. 	/* Save number of bits */
    335. 

  335. 	Encode(bits + 2, context->count, 8);
    336. 

  336. 

  337. 	/* Pad out to 118 mod 128.
    338. 

  338. 	 */
    339. 

  339. 	index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
    340. 

  340. 	padLen = (index < 118) ? (118 - index) : (246 - index);
    341. 

  341. 	PHP_HAVALUpdate(context, PADDING, padLen);
    342. 

  342. 

  343. 	/* Append version, passes, digest length, and message length */
    344. 

  344. 	PHP_HAVALUpdate(context, bits, 10);
    345. 

  345. 

  346. 	/* Store state in digest */
    347. 

  347. 	context->state[3] += (context->state[7] & 0xFF000000) |
    348. 

  348. 						 (context->state[6] & 0x00FF0000) |
    349. 

  349. 						 (context->state[5] & 0x0000FF00) |
    350. 

  350. 						 (context->state[4] & 0x000000FF);
    351. 

  351. 

  352. 	context->state[2] += (((context->state[7] & 0x00FF0000) |
    353. 

  353. 						   (context->state[6] & 0x0000FF00) |
    354. 

  354. 						   (context->state[5] & 0x000000FF)) << 8) |
    355. 

  355. 						  ((context->state[4] & 0xFF000000) >> 24);
    356. 

  356. 

  357. 	context->state[1] += (((context->state[7] & 0x0000FF00) |
    358. 

  358. 						   (context->state[6] & 0x000000FF)) << 16) |
    359. 

  359. 						 (((context->state[5] & 0xFF000000) |
    360. 

  360. 						   (context->state[4] & 0x00FF0000)) >> 16);
    361. 

  361. 

  362. 	context->state[0] +=  ((context->state[7] & 0x000000FF) << 24) |
    363. 

  363. 						 (((context->state[6] & 0xFF000000) |
    364. 

  364. 						   (context->state[5] & 0x00FF0000) |
    365. 

  365. 						   (context->state[4] & 0x0000FF00)) >> 8);
    366. 

  366. 

  367. 	Encode(digest, context->state, 16);
    368. 

  368. 

  369. 	/* Zeroize sensitive information.
    370. 

  370. 	 */
    371. 

  371. 	memset((unsigned char*) context, 0, sizeof(*context));
    372. 

  372. }
    373. 

  373. /* }}} */
    374. 

  374. 

  375. /* {{{ PHP_HAVAL160Final
    376. 

  376.  */
    377. 

  377. PHP_HASH_API void PHP_HAVAL160Final(unsigned char *digest, PHP_HAVAL_CTX * context)
    378. 

  378. {
    379. 

  379. 	unsigned char bits[10];
    380. 

  380. 	unsigned int index, padLen;
    381. 

  381. 

  382. 	/* Version, Passes, and Digest Length */
    383. 

  383. 	bits[0] =	(PHP_HASH_HAVAL_VERSION & 0x07) |
    384. 

  384. 				((context->passes & 0x07) << 3) |
    385. 

  385. 				((context->output & 0x03) << 6);
    386. 

  386. 	bits[1] = (context->output >> 2);
    387. 

  387. 

  388. 	/* Save number of bits */
    389. 

  389. 	Encode(bits + 2, context->count, 8);
    390. 

  390. 

  391. 	/* Pad out to 118 mod 128.
    392. 

  392. 	 */
    393. 

  393. 	index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
    394. 

  394. 	padLen = (index < 118) ? (118 - index) : (246 - index);
    395. 

  395. 	PHP_HAVALUpdate(context, PADDING, padLen);
    396. 

  396. 

  397. 	/* Append version, passes, digest length, and message length */
    398. 

  398. 	PHP_HAVALUpdate(context, bits, 10);
    399. 

  399. 

  400. 	/* Store state in digest */
    401. 

  401. 	context->state[4] += ((context->state[7] & 0xFE000000) |
    402. 

  402. 						  (context->state[6] & 0x01F80000) |
    403. 

  403. 						  (context->state[5] & 0x0007F000)) >> 12;
    404. 

  404. 

  405. 	context->state[3] += ((context->state[7] & 0x01F80000) |
    406. 

  406. 						  (context->state[6] & 0x0007F000) |
    407. 

  407. 						  (context->state[5] & 0x00000FC0)) >> 6;
    408. 

  408. 

  409. 	context->state[2] +=  (context->state[7] & 0x0007F000) |
    410. 

  410. 						  (context->state[6] & 0x00000FC0) |
    411. 

  411. 						  (context->state[5] & 0x0000003F);
    412. 

  412. 

  413. 	context->state[1] += ROTR((context->state[7] & 0x00000FC0) |
    414. 

  414. 							  (context->state[6] & 0x0000003F) |
    415. 

  415. 							  (context->state[5] & 0xFE000000), 25);
    416. 

  416. 

  417. 	context->state[0] += ROTR((context->state[7] & 0x0000003F) |
    418. 

  418. 							  (context->state[6] & 0xFE000000) |
    419. 

  419. 							  (context->state[5] & 0x01F80000), 19);
    420. 

  420. 

  421. 	Encode(digest, context->state, 20);
    422. 

  422. 

  423. 	/* Zeroize sensitive information.
    424. 

  424. 	 */
    425. 

  425. 	memset((unsigned char*) context, 0, sizeof(*context));
    426. 

  426. }
    427. 

  427. /* }}} */
    428. 

  428. 

  429. /* {{{ PHP_HAVAL192Final
    430. 

  430.  */
    431. 

  431. PHP_HASH_API void PHP_HAVAL192Final(unsigned char *digest, PHP_HAVAL_CTX * context)
    432. 

  432. {
    433. 

  433. 	unsigned char bits[10];
    434. 

  434. 	unsigned int index, padLen;
    435. 

  435. 

  436. 	/* Version, Passes, and Digest Length */
    437. 

  437. 	bits[0] =	(PHP_HASH_HAVAL_VERSION & 0x07) |
    438. 

  438. 				((context->passes & 0x07) << 3) |
    439. 

  439. 				((context->output & 0x03) << 6);
    440. 

  440. 	bits[1] = (context->output >> 2);
    441. 

  441. 

  442. 	/* Save number of bits */
    443. 

  443. 	Encode(bits + 2, context->count, 8);
    444. 

  444. 

  445. 	/* Pad out to 118 mod 128.
    446. 

  446. 	 */
    447. 

  447. 	index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
    448. 

  448. 	padLen = (index < 118) ? (118 - index) : (246 - index);
    449. 

  449. 	PHP_HAVALUpdate(context, PADDING, padLen);
    450. 

  450. 

  451. 	/* Append version, passes, digest length, and message length */
    452. 

  452. 	PHP_HAVALUpdate(context, bits, 10);
    453. 

  453. 

  454. 	/* Store state in digest */
    455. 

  455. 	context->state[5] += ((context->state[7] & 0xFC000000) | (context->state[6] & 0x03E00000)) >> 21;
    456. 

  456. 	context->state[4] += ((context->state[7] & 0x03E00000) | (context->state[6] & 0x001F0000)) >> 16;
    457. 

  457. 	context->state[3] += ((context->state[7] & 0x001F0000) | (context->state[6] & 0x0000FC00)) >> 10;
    458. 

  458. 	context->state[2] += ((context->state[7] & 0x0000FC00) | (context->state[6] & 0x000003E0)) >>  5;
    459. 

  459. 	context->state[1] +=  (context->state[7] & 0x000003E0) | (context->state[6] & 0x0000001F);
    460. 

  460. 	context->state[0] += ROTR((context->state[7] & 0x0000001F) | (context->state[6] & 0xFC000000), 26);
    461. 

  461. 	Encode(digest, context->state, 24);
    462. 

  462. 

  463. 	/* Zeroize sensitive information.
    464. 

  464. 	 */
    465. 

  465. 	memset((unsigned char*) context, 0, sizeof(*context));
    466. 

  466. }
    467. 

  467. /* }}} */
    468. 

  468. 

  469. /* {{{ PHP_HAVAL224Final
    470. 

  470.  */
    471. 

  471. PHP_HASH_API void PHP_HAVAL224Final(unsigned char *digest, PHP_HAVAL_CTX * context)
    472. 

  472. {
    473. 

  473. 	unsigned char bits[10];
    474. 

  474. 	unsigned int index, padLen;
    475. 

  475. 

  476. 	/* Version, Passes, and Digest Length */
    477. 

  477. 	bits[0] =	(PHP_HASH_HAVAL_VERSION & 0x07) |
    478. 

  478. 				((context->passes & 0x07) << 3) |
    479. 

  479. 				((context->output & 0x03) << 6);
    480. 

  480. 	bits[1] = (context->output >> 2);
    481. 

  481. 

  482. 	/* Save number of bits */
    483. 

  483. 	Encode(bits + 2, context->count, 8);
    484. 

  484. 

  485. 	/* Pad out to 118 mod 128.
    486. 

  486. 	 */
    487. 

  487. 	index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
    488. 

  488. 	padLen = (index < 118) ? (118 - index) : (246 - index);
    489. 

  489. 	PHP_HAVALUpdate(context, PADDING, padLen);
    490. 

  490. 

  491. 	/* Append version, passes, digest length, and message length */
    492. 

  492. 	PHP_HAVALUpdate(context, bits, 10);
    493. 

  493. 

  494. 	/* Store state in digest */
    495. 

  495. 	context->state[6] +=  context->state[7]        & 0x0000000F;
    496. 

  496. 	context->state[5] += (context->state[7] >>  4) & 0x0000001F;
    497. 

  497. 	context->state[4] += (context->state[7] >>  9) & 0x0000000F;
    498. 

  498. 	context->state[3] += (context->state[7] >> 13) & 0x0000001F;
    499. 

  499. 	context->state[2] += (context->state[7] >> 18) & 0x0000000F;
    500. 

  500. 	context->state[1] += (context->state[7] >> 22) & 0x0000001F;
    501. 

  501. 	context->state[0] += (context->state[7] >> 27) & 0x0000001F;
    502. 

  502. 	Encode(digest, context->state, 28);
    503. 

  503. 

  504. 	/* Zeroize sensitive information.
    505. 

  505. 	 */
    506. 

  506. 	memset((unsigned char*) context, 0, sizeof(*context));
    507. 

  507. }
    508. 

  508. /* }}} */
    509. 

  509. 

  510. /* {{{ PHP_HAVAL256Final
    511. 

  511.  */
    512. 

  512. PHP_HASH_API void PHP_HAVAL256Final(unsigned char *digest, PHP_HAVAL_CTX * context)
    513. 

  513. {
    514. 

  514. 	unsigned char bits[10];
    515. 

  515. 	unsigned int index, padLen;
    516. 

  516. 

  517. 	/* Version, Passes, and Digest Length */
    518. 

  518. 	bits[0] =	(PHP_HASH_HAVAL_VERSION & 0x07) |
    519. 

  519. 				((context->passes & 0x07) << 3) |
    520. 

  520. 				((context->output & 0x03) << 6);
    521. 

  521. 	bits[1] = (context->output >> 2);
    522. 

  522. 

  523. 	/* Save number of bits */
    524. 

  524. 	Encode(bits + 2, context->count, 8);
    525. 

  525. 

  526. 	/* Pad out to 118 mod 128.
    527. 

  527. 	 */
    528. 

  528. 	index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
    529. 

  529. 	padLen = (index < 118) ? (118 - index) : (246 - index);
    530. 

  530. 	PHP_HAVALUpdate(context, PADDING, padLen);
    531. 

  531. 

  532. 	/* Append version, passes, digest length, and message length */
    533. 

  533. 	PHP_HAVALUpdate(context, bits, 10);
    534. 

  534. 

  535. 	/* Store state in digest */
    536. 

  536. 	Encode(digest, context->state, 32);
    537. 

  537. 

  538. 	/* Zeroize sensitive information.
    539. 

  539. 	 */
    540. 

  540. 	memset((unsigned char*) context, 0, sizeof(*context));
    541. 

  541. }
    542. 

  542. /* }}} */
    543. 

  543. 

  544. /*
    545. 

  545.  * Local variables:
    546. 

  546.  * tab-width: 4
    547. 

  547.  * c-basic-offset: 4
    548. 

  548.  * End:
    549. 

  549.  * vim600: sw=4 ts=4 fdm=marker
    550. 

  550.  * vim<600: sw=4 ts=4
    551. 

  551.  */
    552. 

  552.