1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Sara Golemon <pollita@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #include "php_hash.h"
18 #include "php_hash_haval.h"
19
20 static const unsigned char PADDING[128] ={
21 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
22 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
23 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
24 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
25 0, 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
30 static const uint32_t D0[8] = {
31 0x243F6A88, 0x85A308D3, 0x13198A2E, 0x03707344, 0xA4093822, 0x299F31D0, 0x082EFA98, 0xEC4E6C89 };
32
33 static const uint32_t K2[32] = {
34 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917,
35 0x9216D5D9, 0x8979FB1B, 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96,
36 0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16, 0x636920D8, 0x71574E69,
37 0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5 };
38
39 static const uint32_t K3[32] = {
40 0x9C30D539, 0x2AF26013, 0xC5D1B023, 0x286085F0, 0xCA417918, 0xB8DB38EF, 0x8E79DCB0, 0x603A180E,
41 0x6C9E0E8B, 0xB01E8A3E, 0xD71577C1, 0xBD314B27, 0x78AF2FDA, 0x55605C60, 0xE65525F3, 0xAA55AB94,
42 0x57489862, 0x63E81440, 0x55CA396A, 0x2AAB10B6, 0xB4CC5C34, 0x1141E8CE, 0xA15486AF, 0x7C72E993,
43 0xB3EE1411, 0x636FBC2A, 0x2BA9C55D, 0x741831F6, 0xCE5C3E16, 0x9B87931E, 0xAFD6BA33, 0x6C24CF5C };
44
45 static const uint32_t K4[32] = {
46 0x7A325381, 0x28958677, 0x3B8F4898, 0x6B4BB9AF, 0xC4BFE81B, 0x66282193, 0x61D809CC, 0xFB21A991,
47 0x487CAC60, 0x5DEC8032, 0xEF845D5D, 0xE98575B1, 0xDC262302, 0xEB651B88, 0x23893E81, 0xD396ACC5,
48 0x0F6D6FF3, 0x83F44239, 0x2E0B4482, 0xA4842004, 0x69C8F04A, 0x9E1F9B5E, 0x21C66842, 0xF6E96C9A,
49 0x670C9C61, 0xABD388F0, 0x6A51A0D2, 0xD8542F68, 0x960FA728, 0xAB5133A3, 0x6EEF0B6C, 0x137A3BE4 };
50
51 static const uint32_t K5[32] = {
52 0xBA3BF050, 0x7EFB2A98, 0xA1F1651D, 0x39AF0176, 0x66CA593E, 0x82430E88, 0x8CEE8619, 0x456F9FB4,
53 0x7D84A5C3, 0x3B8B5EBE, 0xE06F75D8, 0x85C12073, 0x401A449F, 0x56C16AA6, 0x4ED3AA62, 0x363F7706,
54 0x1BFEDF72, 0x429B023D, 0x37D0D724, 0xD00A1248, 0xDB0FEAD3, 0x49F1C09B, 0x075372C9, 0x80991B7B,
55 0x25D479D8, 0xF6E8DEF7, 0xE3FE501A, 0xB6794C3B, 0x976CE0BD, 0x04C006BA, 0xC1A94FB6, 0x409F60C4 };
56
57 static const short I2[32] = { 5, 14, 26, 18, 11, 28, 7, 16, 0, 23, 20, 22, 1, 10, 4, 8,
58 30, 3, 21, 9, 17, 24, 29, 6, 19, 12, 15, 13, 2, 25, 31, 27 };
59
60 static const short I3[32] = { 19, 9, 4, 20, 28, 17, 8, 22, 29, 14, 25, 12, 24, 30, 16, 26,
61 31, 15, 7, 3, 1, 0, 18, 27, 13, 6, 21, 10, 23, 11, 5, 2 };
62
63 static const short I4[32] = { 24, 4, 0, 14, 2, 7, 28, 23, 26, 6, 30, 20, 18, 25, 19, 3,
64 22, 11, 31, 21, 8, 27, 12, 9, 1, 29, 5, 15, 17, 10, 16, 13 };
65
66 static const short I5[32] = { 27, 3, 21, 26, 17, 11, 20, 29, 19, 0, 12, 7, 13, 8, 31, 10,
67 5, 9, 14, 30, 18, 6, 28, 24, 2, 23, 16, 22, 4, 1, 25, 15 };
68
69 static const short M0[32] = { 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1,
70 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1 };
71
72 static const short M1[32] = { 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2,
73 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2 };
74
75 static const short M2[32] = { 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3,
76 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3 };
77
78 static const short M3[32] = { 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4,
79 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4 };
80
81 static const short M4[32] = { 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5,
82 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5 };
83
84 static const short M5[32] = { 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6,
85 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7, 6 };
86
87 static const short M6[32] = { 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7,
88 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 7 };
89
90 static const short M7[32] = { 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0,
91 7, 6, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0 };
92
93 /* {{{ Encode
94 Encodes input (uint32_t) into output (unsigned char). Assumes len is
95 a multiple of 4.
96 */
Encode(unsigned char * output,uint32_t * input,unsigned int len)97 static void Encode(unsigned char *output, uint32_t *input, unsigned int len)
98 {
99 unsigned int i, j;
100
101 for (i = 0, j = 0; j < len; i++, j += 4) {
102 output[j] = (unsigned char) (input[i] & 0xff);
103 output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff);
104 output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff);
105 output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff);
106 }
107 }
108 /* }}} */
109
110 /* {{{ Decode
111 Decodes input (unsigned char) into output (uint32_t). Assumes len is
112 a multiple of 4.
113 */
Decode(uint32_t * output,const unsigned char * input,unsigned int len)114 static void Decode(uint32_t *output, const unsigned char *input, unsigned int len)
115 {
116 unsigned int i, j;
117
118 for (i = 0, j = 0; j < len; i++, j += 4) {
119 output[i] = ((uint32_t) input[j]) | (((uint32_t) input[j + 1]) << 8) |
120 (((uint32_t) input[j + 2]) << 16) | (((uint32_t) input[j + 3]) << 24);
121 }
122 }
123 /* }}} */
124
125 #define F1(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x1)) ^ (x0) )
126 #define F2(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x1) & (x2)) ^ ((x1) & (x4)) ^ \
127 ((x2) & (x6)) ^ ((x3) & (x5)) ^ ((x4) & (x5)) ^ ((x0) & (x2)) ^ (x0) )
128 #define F3(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x3)) ^ (x0) )
129 #define F4(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x3) & (x4) & (x6)) ^ \
130 ((x1) & (x4)) ^ ((x2) & (x6)) ^ ((x3) & (x4)) ^ ((x3) & (x5)) ^ \
131 ((x3) & (x6)) ^ ((x4) & (x5)) ^ ((x4) & (x6)) ^ ((x0) & (x4)) ^ (x0) )
132 #define F5(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ \
133 ((x0) & (x1) & (x2) & (x3)) ^ ((x0) & (x5)) ^ (x0) )
134
135 #define ROTR(x,n) (((x) >> (n)) | ((x) << (32 - (n))))
136
137
138 /* {{{ PHP_3HAVALTransform */
PHP_3HAVALTransform(uint32_t state[8],const unsigned char block[128])139 static void PHP_3HAVALTransform(uint32_t state[8], const unsigned char block[128])
140 {
141 uint32_t E[8];
142 uint32_t x[32];
143 int i;
144
145 Decode(x, block, 128);
146
147 for(i = 0; i < 8; i++) {
148 E[i] = state[i];
149 }
150
151 for(i = 0; i < 32; i++) {
152 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];
153 }
154 for(i = 0; i < 32; i++) {
155 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];
156 }
157 for(i = 0; i < 32; i++) {
158 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];
159 }
160
161 /* Update digest */
162 for(i = 0; i < 8; i++) {
163 state[i] += E[i];
164 }
165
166 /* Zeroize sensitive information. */
167 ZEND_SECURE_ZERO((unsigned char*) x, sizeof(x));
168 }
169 /* }}} */
170
171 /* {{{ PHP_4HAVALTransform */
PHP_4HAVALTransform(uint32_t state[8],const unsigned char block[128])172 static void PHP_4HAVALTransform(uint32_t state[8], const unsigned char block[128])
173 {
174 uint32_t E[8];
175 uint32_t x[32];
176 int i;
177
178 Decode(x, block, 128);
179
180 for(i = 0; i < 8; i++) {
181 E[i] = state[i];
182 }
183
184 for(i = 0; i < 32; i++) {
185 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];
186 }
187 for(i = 0; i < 32; i++) {
188 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];
189 }
190 for(i = 0; i < 32; i++) {
191 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];
192 }
193 for(i = 0; i < 32; i++) {
194 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];
195 }
196
197 /* Update digest */
198 for(i = 0; i < 8; i++) {
199 state[i] += E[i];
200 }
201
202 /* Zeroize sensitive information. */
203 ZEND_SECURE_ZERO((unsigned char*) x, sizeof(x));
204 }
205 /* }}} */
206
207 /* {{{ PHP_5HAVALTransform */
PHP_5HAVALTransform(uint32_t state[8],const unsigned char block[128])208 static void PHP_5HAVALTransform(uint32_t state[8], const unsigned char block[128])
209 {
210 uint32_t E[8];
211 uint32_t x[32];
212 int i;
213
214 Decode(x, block, 128);
215
216 for(i = 0; i < 8; i++) {
217 E[i] = state[i];
218 }
219 for(i = 0; i < 32; i++) {
220 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];
221 }
222 for(i = 0; i < 32; i++) {
223 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];
224 }
225 for(i = 0; i < 32; i++) {
226 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];
227 }
228 for(i = 0; i < 32; i++) {
229 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];
230 }
231 for(i = 0; i < 32; i++) {
232 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];
233 }
234
235 /* Update digest */
236 for(i = 0; i < 8; i++) {
237 state[i] += E[i];
238 }
239
240 /* Zeroize sensitive information. */
241 ZEND_SECURE_ZERO((unsigned char*) x, sizeof(x));
242 }
243 /* }}} */
244
245 #define PHP_HASH_HAVAL_INIT(p,b) \
246 const php_hash_ops php_hash_##p##haval##b##_ops = { \
247 "haval" #b "," #p, \
248 (php_hash_init_func_t) PHP_##p##HAVAL##b##Init, \
249 (php_hash_update_func_t) PHP_HAVALUpdate, \
250 (php_hash_final_func_t) PHP_HAVAL##b##Final, \
251 php_hash_copy, \
252 php_hash_serialize, \
253 php_hash_unserialize, \
254 PHP_HAVAL_SPEC, \
255 ((b) / 8), 128, sizeof(PHP_HAVAL_CTX), 1 }; \
256 PHP_HASH_API void PHP_##p##HAVAL##b##Init(PHP_HAVAL_CTX *context) \
257 { int i; context->count[0] = context->count[1] = 0; \
258 for(i = 0; i < 8; i++) context->state[i] = D0[i]; \
259 context->passes = p; context->output = b; \
260 context->Transform = PHP_##p##HAVALTransform; }
261
262 PHP_HASH_HAVAL_INIT(3,128)
263 PHP_HASH_HAVAL_INIT(3,160)
264 PHP_HASH_HAVAL_INIT(3,192)
265 PHP_HASH_HAVAL_INIT(3,224)
266 PHP_HASH_HAVAL_INIT(3,256)
267
268 PHP_HASH_HAVAL_INIT(4,128)
269 PHP_HASH_HAVAL_INIT(4,160)
270 PHP_HASH_HAVAL_INIT(4,192)
271 PHP_HASH_HAVAL_INIT(4,224)
272 PHP_HASH_HAVAL_INIT(4,256)
273
274 PHP_HASH_HAVAL_INIT(5,128)
275 PHP_HASH_HAVAL_INIT(5,160)
276 PHP_HASH_HAVAL_INIT(5,192)
277 PHP_HASH_HAVAL_INIT(5,224)
278 PHP_HASH_HAVAL_INIT(5,256)
279
280 /* {{{ PHP_HAVALUpdate */
PHP_HAVALUpdate(PHP_HAVAL_CTX * context,const unsigned char * input,size_t inputLen)281 PHP_HASH_API void PHP_HAVALUpdate(PHP_HAVAL_CTX *context, const unsigned char *input, size_t inputLen)
282 {
283 unsigned int i, index, partLen;
284
285 /* Compute number of bytes mod 128 */
286 index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
287 /* Update number of bits */
288 if ((context->count[0] += ((uint32_t) inputLen << 3)) < ((uint32_t) inputLen << 3)) {
289 context->count[1]++;
290 }
291 context->count[1] += ((uint32_t) inputLen >> 29);
292
293 partLen = 128 - index;
294
295 /* Transform as many times as possible.
296 */
297 if (inputLen >= partLen) {
298 memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
299 context->Transform(context->state, context->buffer);
300
301 for (i = partLen; i + 127 < inputLen; i += 128) {
302 context->Transform(context->state, &input[i]);
303 }
304
305 index = 0;
306 } else {
307 i = 0;
308 }
309
310 /* Buffer remaining input */
311 memcpy((unsigned char*) &context->buffer[index], (unsigned char*) &input[i], inputLen - i);
312 }
313 /* }}} */
314
315 #define PHP_HASH_HAVAL_VERSION 0x01
316
317 /* {{{ PHP_HAVAL128Final */
PHP_HAVAL128Final(unsigned char * digest,PHP_HAVAL_CTX * context)318 PHP_HASH_API void PHP_HAVAL128Final(unsigned char *digest, PHP_HAVAL_CTX * context)
319 {
320 unsigned char bits[10];
321 unsigned int index, padLen;
322
323 /* Version, Passes, and Digest Length */
324 bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
325 ((context->passes & 0x07) << 3) |
326 ((context->output & 0x03) << 6);
327 bits[1] = (context->output >> 2);
328
329 /* Save number of bits */
330 Encode(bits + 2, context->count, 8);
331
332 /* Pad out to 118 mod 128.
333 */
334 index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
335 padLen = (index < 118) ? (118 - index) : (246 - index);
336 PHP_HAVALUpdate(context, PADDING, padLen);
337
338 /* Append version, passes, digest length, and message length */
339 PHP_HAVALUpdate(context, bits, 10);
340
341 /* Store state in digest */
342 context->state[3] += (context->state[7] & 0xFF000000) |
343 (context->state[6] & 0x00FF0000) |
344 (context->state[5] & 0x0000FF00) |
345 (context->state[4] & 0x000000FF);
346
347 context->state[2] += (((context->state[7] & 0x00FF0000) |
348 (context->state[6] & 0x0000FF00) |
349 (context->state[5] & 0x000000FF)) << 8) |
350 ((context->state[4] & 0xFF000000) >> 24);
351
352 context->state[1] += (((context->state[7] & 0x0000FF00) |
353 (context->state[6] & 0x000000FF)) << 16) |
354 (((context->state[5] & 0xFF000000) |
355 (context->state[4] & 0x00FF0000)) >> 16);
356
357 context->state[0] += ((context->state[7] & 0x000000FF) << 24) |
358 (((context->state[6] & 0xFF000000) |
359 (context->state[5] & 0x00FF0000) |
360 (context->state[4] & 0x0000FF00)) >> 8);
361
362 Encode(digest, context->state, 16);
363
364 /* Zeroize sensitive information.
365 */
366 ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
367 }
368 /* }}} */
369
370 /* {{{ PHP_HAVAL160Final */
PHP_HAVAL160Final(unsigned char * digest,PHP_HAVAL_CTX * context)371 PHP_HASH_API void PHP_HAVAL160Final(unsigned char *digest, PHP_HAVAL_CTX * context)
372 {
373 unsigned char bits[10];
374 unsigned int index, padLen;
375
376 /* Version, Passes, and Digest Length */
377 bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
378 ((context->passes & 0x07) << 3) |
379 ((context->output & 0x03) << 6);
380 bits[1] = (context->output >> 2);
381
382 /* Save number of bits */
383 Encode(bits + 2, context->count, 8);
384
385 /* Pad out to 118 mod 128.
386 */
387 index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
388 padLen = (index < 118) ? (118 - index) : (246 - index);
389 PHP_HAVALUpdate(context, PADDING, padLen);
390
391 /* Append version, passes, digest length, and message length */
392 PHP_HAVALUpdate(context, bits, 10);
393
394 /* Store state in digest */
395 context->state[4] += ((context->state[7] & 0xFE000000) |
396 (context->state[6] & 0x01F80000) |
397 (context->state[5] & 0x0007F000)) >> 12;
398
399 context->state[3] += ((context->state[7] & 0x01F80000) |
400 (context->state[6] & 0x0007F000) |
401 (context->state[5] & 0x00000FC0)) >> 6;
402
403 context->state[2] += (context->state[7] & 0x0007F000) |
404 (context->state[6] & 0x00000FC0) |
405 (context->state[5] & 0x0000003F);
406
407 context->state[1] += ROTR((context->state[7] & 0x00000FC0) |
408 (context->state[6] & 0x0000003F) |
409 (context->state[5] & 0xFE000000), 25);
410
411 context->state[0] += ROTR((context->state[7] & 0x0000003F) |
412 (context->state[6] & 0xFE000000) |
413 (context->state[5] & 0x01F80000), 19);
414
415 Encode(digest, context->state, 20);
416
417 /* Zeroize sensitive information.
418 */
419 ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
420 }
421 /* }}} */
422
423 /* {{{ PHP_HAVAL192Final */
PHP_HAVAL192Final(unsigned char * digest,PHP_HAVAL_CTX * context)424 PHP_HASH_API void PHP_HAVAL192Final(unsigned char *digest, PHP_HAVAL_CTX * context)
425 {
426 unsigned char bits[10];
427 unsigned int index, padLen;
428
429 /* Version, Passes, and Digest Length */
430 bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
431 ((context->passes & 0x07) << 3) |
432 ((context->output & 0x03) << 6);
433 bits[1] = (context->output >> 2);
434
435 /* Save number of bits */
436 Encode(bits + 2, context->count, 8);
437
438 /* Pad out to 118 mod 128.
439 */
440 index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
441 padLen = (index < 118) ? (118 - index) : (246 - index);
442 PHP_HAVALUpdate(context, PADDING, padLen);
443
444 /* Append version, passes, digest length, and message length */
445 PHP_HAVALUpdate(context, bits, 10);
446
447 /* Store state in digest */
448 context->state[5] += ((context->state[7] & 0xFC000000) | (context->state[6] & 0x03E00000)) >> 21;
449 context->state[4] += ((context->state[7] & 0x03E00000) | (context->state[6] & 0x001F0000)) >> 16;
450 context->state[3] += ((context->state[7] & 0x001F0000) | (context->state[6] & 0x0000FC00)) >> 10;
451 context->state[2] += ((context->state[7] & 0x0000FC00) | (context->state[6] & 0x000003E0)) >> 5;
452 context->state[1] += (context->state[7] & 0x000003E0) | (context->state[6] & 0x0000001F);
453 context->state[0] += ROTR((context->state[7] & 0x0000001F) | (context->state[6] & 0xFC000000), 26);
454 Encode(digest, context->state, 24);
455
456 /* Zeroize sensitive information.
457 */
458 ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
459 }
460 /* }}} */
461
462 /* {{{ PHP_HAVAL224Final */
PHP_HAVAL224Final(unsigned char * digest,PHP_HAVAL_CTX * context)463 PHP_HASH_API void PHP_HAVAL224Final(unsigned char *digest, PHP_HAVAL_CTX * context)
464 {
465 unsigned char bits[10];
466 unsigned int index, padLen;
467
468 /* Version, Passes, and Digest Length */
469 bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
470 ((context->passes & 0x07) << 3) |
471 ((context->output & 0x03) << 6);
472 bits[1] = (context->output >> 2);
473
474 /* Save number of bits */
475 Encode(bits + 2, context->count, 8);
476
477 /* Pad out to 118 mod 128.
478 */
479 index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
480 padLen = (index < 118) ? (118 - index) : (246 - index);
481 PHP_HAVALUpdate(context, PADDING, padLen);
482
483 /* Append version, passes, digest length, and message length */
484 PHP_HAVALUpdate(context, bits, 10);
485
486 /* Store state in digest */
487 context->state[6] += context->state[7] & 0x0000000F;
488 context->state[5] += (context->state[7] >> 4) & 0x0000001F;
489 context->state[4] += (context->state[7] >> 9) & 0x0000000F;
490 context->state[3] += (context->state[7] >> 13) & 0x0000001F;
491 context->state[2] += (context->state[7] >> 18) & 0x0000000F;
492 context->state[1] += (context->state[7] >> 22) & 0x0000001F;
493 context->state[0] += (context->state[7] >> 27) & 0x0000001F;
494 Encode(digest, context->state, 28);
495
496 /* Zeroize sensitive information.
497 */
498 ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
499 }
500 /* }}} */
501
502 /* {{{ PHP_HAVAL256Final */
PHP_HAVAL256Final(unsigned char * digest,PHP_HAVAL_CTX * context)503 PHP_HASH_API void PHP_HAVAL256Final(unsigned char *digest, PHP_HAVAL_CTX * context)
504 {
505 unsigned char bits[10];
506 unsigned int index, padLen;
507
508 /* Version, Passes, and Digest Length */
509 bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) |
510 ((context->passes & 0x07) << 3) |
511 ((context->output & 0x03) << 6);
512 bits[1] = (context->output >> 2);
513
514 /* Save number of bits */
515 Encode(bits + 2, context->count, 8);
516
517 /* Pad out to 118 mod 128.
518 */
519 index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
520 padLen = (index < 118) ? (118 - index) : (246 - index);
521 PHP_HAVALUpdate(context, PADDING, padLen);
522
523 /* Append version, passes, digest length, and message length */
524 PHP_HAVALUpdate(context, bits, 10);
525
526 /* Store state in digest */
527 Encode(digest, context->state, 32);
528
529 /* Zeroize sensitive information.
530 */
531 ZEND_SECURE_ZERO((unsigned char*) context, sizeof(*context));
532 }
533 /* }}} */
534
