1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2014 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 /* $Id$ */
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 */
Encode(unsigned char * output,php_hash_uint32 * input,unsigned int len)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 */
Decode(php_hash_uint32 * output,const unsigned char * input,unsigned int len)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 */
PHP_3HAVALTransform(php_hash_uint32 state[8],const unsigned char block[128])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 */
PHP_4HAVALTransform(php_hash_uint32 state[8],const unsigned char block[128])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 */
PHP_5HAVALTransform(php_hash_uint32 state[8],const unsigned char block[128])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 */
PHP_HAVALUpdate(PHP_HAVAL_CTX * context,const unsigned char * input,unsigned int inputLen)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 */
PHP_HAVAL128Final(unsigned char * digest,PHP_HAVAL_CTX * context)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) & 0x7f);
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 */
PHP_HAVAL160Final(unsigned char * digest,PHP_HAVAL_CTX * context)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) & 0x7f);
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 */
PHP_HAVAL192Final(unsigned char * digest,PHP_HAVAL_CTX * context)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) & 0x7f);
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 */
PHP_HAVAL224Final(unsigned char * digest,PHP_HAVAL_CTX * context)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) & 0x7f);
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 */
PHP_HAVAL256Final(unsigned char * digest,PHP_HAVAL_CTX * context)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) & 0x7f);
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 */
552
