1 : /*
2 : +----------------------------------------------------------------------+
3 : | PHP Version 5 |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) 1997-2009 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 272370 2008-12-31 11:15:49Z sebastian $ */
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)
102 264 : {
103 : unsigned int i, j;
104 :
105 1319 : for (i = 0, j = 0; j < len; i++, j += 4) {
106 1055 : output[j] = (unsigned char) (input[i] & 0xff);
107 1055 : output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff);
108 1055 : output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff);
109 1055 : output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff);
110 : }
111 264 : }
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)
119 169 : {
120 : unsigned int i, j;
121 :
122 5577 : for (i = 0, j = 0; j < len; i++, j += 4) {
123 5408 : 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 : }
126 169 : }
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 89 : {
146 : php_hash_uint32 E[8];
147 : php_hash_uint32 x[32];
148 : int i;
149 :
150 89 : Decode(x, block, 128);
151 :
152 801 : for(i = 0; i < 8; i++) {
153 712 : E[i] = state[i];
154 : }
155 :
156 2937 : for(i = 0; i < 32; i++) {
157 2848 : 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 2937 : for(i = 0; i < 32; i++) {
160 2848 : 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 2937 : for(i = 0; i < 32; i++) {
163 2848 : 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 */
167 801 : for(i = 0; i < 8; i++) {
168 712 : state[i] += E[i];
169 : }
170 :
171 : /* Zeroize sensitive information. */
172 89 : memset((unsigned char*) x, 0, sizeof(x));
173 89 : }
174 : /* }}} */
175 :
176 : /* {{{ PHP_4HAVALTransform
177 : */
178 : static void PHP_4HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
179 40 : {
180 : php_hash_uint32 E[8];
181 : php_hash_uint32 x[32];
182 : int i;
183 :
184 40 : Decode(x, block, 128);
185 :
186 360 : for(i = 0; i < 8; i++) {
187 320 : E[i] = state[i];
188 : }
189 :
190 1320 : for(i = 0; i < 32; i++) {
191 1280 : 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 1320 : for(i = 0; i < 32; i++) {
194 1280 : 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 1320 : for(i = 0; i < 32; i++) {
197 1280 : 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 1320 : for(i = 0; i < 32; i++) {
200 1280 : 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 */
204 360 : for(i = 0; i < 8; i++) {
205 320 : state[i] += E[i];
206 : }
207 :
208 : /* Zeroize sensitive information. */
209 40 : memset((unsigned char*) x, 0, sizeof(x));
210 40 : }
211 : /* }}} */
212 :
213 : /* {{{ PHP_5HAVALTransform
214 : */
215 : static void PHP_5HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128])
216 40 : {
217 : php_hash_uint32 E[8];
218 : php_hash_uint32 x[32];
219 : int i;
220 :
221 40 : Decode(x, block, 128);
222 :
223 360 : for(i = 0; i < 8; i++) {
224 320 : E[i] = state[i];
225 : }
226 1320 : for(i = 0; i < 32; i++) {
227 1280 : 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 1320 : for(i = 0; i < 32; i++) {
230 1280 : 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 1320 : for(i = 0; i < 32; i++) {
233 1280 : 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 1320 : for(i = 0; i < 32; i++) {
236 1280 : 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 1320 : for(i = 0; i < 32; i++) {
239 1280 : 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 */
243 360 : for(i = 0; i < 8; i++) {
244 320 : state[i] += E[i];
245 : }
246 :
247 : /* Zeroize sensitive information. */
248 40 : memset((unsigned char*) x, 0, sizeof(x));
249 40 : }
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 12 : PHP_HASH_HAVAL_INIT(3,128)
266 14 : PHP_HASH_HAVAL_INIT(3,160)
267 14 : PHP_HASH_HAVAL_INIT(3,192)
268 13 : PHP_HASH_HAVAL_INIT(3,224)
269 13 : PHP_HASH_HAVAL_INIT(3,256)
270 :
271 7 : PHP_HASH_HAVAL_INIT(4,128)
272 7 : PHP_HASH_HAVAL_INIT(4,160)
273 7 : PHP_HASH_HAVAL_INIT(4,192)
274 7 : PHP_HASH_HAVAL_INIT(4,224)
275 7 : PHP_HASH_HAVAL_INIT(4,256)
276 :
277 7 : PHP_HASH_HAVAL_INIT(5,128)
278 7 : PHP_HASH_HAVAL_INIT(5,160)
279 7 : PHP_HASH_HAVAL_INIT(5,192)
280 7 : PHP_HASH_HAVAL_INIT(5,224)
281 7 : 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)
286 435 : {
287 : unsigned int i, index, partLen;
288 :
289 : /* Compute number of bytes mod 128 */
290 435 : index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
291 : /* Update number of bits */
292 435 : if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
293 0 : context->count[1]++;
294 : }
295 435 : context->count[1] += ((php_hash_uint32) inputLen >> 29);
296 :
297 435 : partLen = 128 - index;
298 :
299 : /* Transform as many times as possible.
300 : */
301 435 : if (inputLen >= partLen) {
302 169 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
303 169 : context->Transform(context->state, context->buffer);
304 :
305 169 : for (i = partLen; i + 127 < inputLen; i += 128) {
306 0 : context->Transform(context->state, &input[i]);
307 : }
308 :
309 169 : index = 0;
310 : } else {
311 266 : i = 0;
312 : }
313 :
314 : /* Buffer remaining input */
315 435 : memcpy((unsigned char*) &context->buffer[index], (unsigned char*) &input[i], inputLen - i);
316 435 : }
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 26 : {
325 : unsigned char bits[10];
326 : unsigned int index, padLen;
327 :
328 : /* Version, Passes, and Digest Length */
329 26 : bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
330 : ((context->passes & 0x07) << 3) |
331 : ((context->output & 0x03) << 6);
332 26 : bits[1] = (context->output >> 2);
333 :
334 : /* Save number of bits */
335 26 : Encode(bits + 2, context->count, 8);
336 :
337 : /* Pad out to 118 mod 128.
338 : */
339 26 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
340 26 : padLen = (index < 118) ? (118 - index) : (246 - index);
341 26 : PHP_HAVALUpdate(context, PADDING, padLen);
342 :
343 : /* Append version, passes, digest length, and message length */
344 26 : PHP_HAVALUpdate(context, bits, 10);
345 :
346 : /* Store state in digest */
347 26 : context->state[3] += (context->state[7] & 0xFF000000) |
348 : (context->state[6] & 0x00FF0000) |
349 : (context->state[5] & 0x0000FF00) |
350 : (context->state[4] & 0x000000FF);
351 :
352 26 : 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 26 : 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 26 : 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 26 : Encode(digest, context->state, 16);
368 :
369 : /* Zeroize sensitive information.
370 : */
371 26 : memset((unsigned char*) context, 0, sizeof(*context));
372 26 : }
373 : /* }}} */
374 :
375 : /* {{{ PHP_HAVAL160Final
376 : */
377 : PHP_HASH_API void PHP_HAVAL160Final(unsigned char *digest, PHP_HAVAL_CTX * context)
378 27 : {
379 : unsigned char bits[10];
380 : unsigned int index, padLen;
381 :
382 : /* Version, Passes, and Digest Length */
383 27 : bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
384 : ((context->passes & 0x07) << 3) |
385 : ((context->output & 0x03) << 6);
386 27 : bits[1] = (context->output >> 2);
387 :
388 : /* Save number of bits */
389 27 : Encode(bits + 2, context->count, 8);
390 :
391 : /* Pad out to 118 mod 128.
392 : */
393 27 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
394 27 : padLen = (index < 118) ? (118 - index) : (246 - index);
395 27 : PHP_HAVALUpdate(context, PADDING, padLen);
396 :
397 : /* Append version, passes, digest length, and message length */
398 27 : PHP_HAVALUpdate(context, bits, 10);
399 :
400 : /* Store state in digest */
401 27 : context->state[4] += ((context->state[7] & 0xFE000000) |
402 : (context->state[6] & 0x01F80000) |
403 : (context->state[5] & 0x0007F000)) >> 12;
404 :
405 27 : context->state[3] += ((context->state[7] & 0x01F80000) |
406 : (context->state[6] & 0x0007F000) |
407 : (context->state[5] & 0x00000FC0)) >> 6;
408 :
409 27 : context->state[2] += (context->state[7] & 0x0007F000) |
410 : (context->state[6] & 0x00000FC0) |
411 : (context->state[5] & 0x0000003F);
412 :
413 27 : context->state[1] += ROTR((context->state[7] & 0x00000FC0) |
414 : (context->state[6] & 0x0000003F) |
415 : (context->state[5] & 0xFE000000), 25);
416 :
417 27 : context->state[0] += ROTR((context->state[7] & 0x0000003F) |
418 : (context->state[6] & 0xFE000000) |
419 : (context->state[5] & 0x01F80000), 19);
420 :
421 27 : Encode(digest, context->state, 20);
422 :
423 : /* Zeroize sensitive information.
424 : */
425 27 : memset((unsigned char*) context, 0, sizeof(*context));
426 27 : }
427 : /* }}} */
428 :
429 : /* {{{ PHP_HAVAL192Final
430 : */
431 : PHP_HASH_API void PHP_HAVAL192Final(unsigned char *digest, PHP_HAVAL_CTX * context)
432 27 : {
433 : unsigned char bits[10];
434 : unsigned int index, padLen;
435 :
436 : /* Version, Passes, and Digest Length */
437 27 : bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
438 : ((context->passes & 0x07) << 3) |
439 : ((context->output & 0x03) << 6);
440 27 : bits[1] = (context->output >> 2);
441 :
442 : /* Save number of bits */
443 27 : Encode(bits + 2, context->count, 8);
444 :
445 : /* Pad out to 118 mod 128.
446 : */
447 27 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
448 27 : padLen = (index < 118) ? (118 - index) : (246 - index);
449 27 : PHP_HAVALUpdate(context, PADDING, padLen);
450 :
451 : /* Append version, passes, digest length, and message length */
452 27 : PHP_HAVALUpdate(context, bits, 10);
453 :
454 : /* Store state in digest */
455 27 : context->state[5] += ((context->state[7] & 0xFC000000) | (context->state[6] & 0x03E00000)) >> 21;
456 27 : context->state[4] += ((context->state[7] & 0x03E00000) | (context->state[6] & 0x001F0000)) >> 16;
457 27 : context->state[3] += ((context->state[7] & 0x001F0000) | (context->state[6] & 0x0000FC00)) >> 10;
458 27 : context->state[2] += ((context->state[7] & 0x0000FC00) | (context->state[6] & 0x000003E0)) >> 5;
459 27 : context->state[1] += (context->state[7] & 0x000003E0) | (context->state[6] & 0x0000001F);
460 27 : context->state[0] += ROTR((context->state[7] & 0x0000001F) | (context->state[6] & 0xFC000000), 26);
461 27 : Encode(digest, context->state, 24);
462 :
463 : /* Zeroize sensitive information.
464 : */
465 27 : memset((unsigned char*) context, 0, sizeof(*context));
466 27 : }
467 : /* }}} */
468 :
469 : /* {{{ PHP_HAVAL224Final
470 : */
471 : PHP_HASH_API void PHP_HAVAL224Final(unsigned char *digest, PHP_HAVAL_CTX * context)
472 26 : {
473 : unsigned char bits[10];
474 : unsigned int index, padLen;
475 :
476 : /* Version, Passes, and Digest Length */
477 26 : bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
478 : ((context->passes & 0x07) << 3) |
479 : ((context->output & 0x03) << 6);
480 26 : bits[1] = (context->output >> 2);
481 :
482 : /* Save number of bits */
483 26 : Encode(bits + 2, context->count, 8);
484 :
485 : /* Pad out to 118 mod 128.
486 : */
487 26 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
488 26 : padLen = (index < 118) ? (118 - index) : (246 - index);
489 26 : PHP_HAVALUpdate(context, PADDING, padLen);
490 :
491 : /* Append version, passes, digest length, and message length */
492 26 : PHP_HAVALUpdate(context, bits, 10);
493 :
494 : /* Store state in digest */
495 26 : context->state[6] += context->state[7] & 0x0000000F;
496 26 : context->state[5] += (context->state[7] >> 4) & 0x0000001F;
497 26 : context->state[4] += (context->state[7] >> 9) & 0x0000000F;
498 26 : context->state[3] += (context->state[7] >> 13) & 0x0000001F;
499 26 : context->state[2] += (context->state[7] >> 18) & 0x0000000F;
500 26 : context->state[1] += (context->state[7] >> 22) & 0x0000001F;
501 26 : context->state[0] += (context->state[7] >> 27) & 0x0000001F;
502 26 : Encode(digest, context->state, 28);
503 :
504 : /* Zeroize sensitive information.
505 : */
506 26 : memset((unsigned char*) context, 0, sizeof(*context));
507 26 : }
508 : /* }}} */
509 :
510 : /* {{{ PHP_HAVAL256Final
511 : */
512 : PHP_HASH_API void PHP_HAVAL256Final(unsigned char *digest, PHP_HAVAL_CTX * context)
513 26 : {
514 : unsigned char bits[10];
515 : unsigned int index, padLen;
516 :
517 : /* Version, Passes, and Digest Length */
518 26 : bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
519 : ((context->passes & 0x07) << 3) |
520 : ((context->output & 0x03) << 6);
521 26 : bits[1] = (context->output >> 2);
522 :
523 : /* Save number of bits */
524 26 : Encode(bits + 2, context->count, 8);
525 :
526 : /* Pad out to 118 mod 128.
527 : */
528 26 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
529 26 : padLen = (index < 118) ? (118 - index) : (246 - index);
530 26 : PHP_HAVALUpdate(context, PADDING, padLen);
531 :
532 : /* Append version, passes, digest length, and message length */
533 26 : PHP_HAVALUpdate(context, bits, 10);
534 :
535 : /* Store state in digest */
536 26 : Encode(digest, context->state, 32);
537 :
538 : /* Zeroize sensitive information.
539 : */
540 26 : memset((unsigned char*) context, 0, sizeof(*context));
541 26 : }
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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