1 | /* |
2 | +----------------------------------------------------------------------+ |
3 | | PHP Version 5 | |
4 | +----------------------------------------------------------------------+ |
5 | | Copyright (c) 1997-2015 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 | */ |
101 | static void Encode(unsigned char *output, php_hash_uint32 *input, unsigned int len) |
102 | { |
103 | unsigned int i, j; |
104 | |
105 | for (i = 0, j = 0; j < len; i++, j += 4) { |
106 | output[j] = (unsigned char) (input[i] & 0xff); |
107 | output[j + 1] = (unsigned char) ((input[i] >> 8) & 0xff); |
108 | output[j + 2] = (unsigned char) ((input[i] >> 16) & 0xff); |
109 | output[j + 3] = (unsigned char) ((input[i] >> 24) & 0xff); |
110 | } |
111 | } |
112 | /* }}} */ |
113 | |
114 | /* {{{ Decode |
115 | Decodes input (unsigned char) into output (php_hash_uint32). Assumes len is |
116 | a multiple of 4. |
117 | */ |
118 | static void Decode(php_hash_uint32 *output, const unsigned char *input, unsigned int len) |
119 | { |
120 | unsigned int i, j; |
121 | |
122 | for (i = 0, j = 0; j < len; i++, j += 4) { |
123 | output[i] = ((php_hash_uint32) input[j]) | (((php_hash_uint32) input[j + 1]) << 8) | |
124 | (((php_hash_uint32) input[j + 2]) << 16) | (((php_hash_uint32) input[j + 3]) << 24); |
125 | } |
126 | } |
127 | /* }}} */ |
128 | |
129 | #define F1(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x1)) ^ (x0) ) |
130 | #define F2(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x1) & (x2)) ^ ((x1) & (x4)) ^ \ |
131 | ((x2) & (x6)) ^ ((x3) & (x5)) ^ ((x4) & (x5)) ^ ((x0) & (x2)) ^ (x0) ) |
132 | #define F3(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ ((x0) & (x3)) ^ (x0) ) |
133 | #define F4(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x2) & (x3)) ^ ((x2) & (x4) & (x5)) ^ ((x3) & (x4) & (x6)) ^ \ |
134 | ((x1) & (x4)) ^ ((x2) & (x6)) ^ ((x3) & (x4)) ^ ((x3) & (x5)) ^ \ |
135 | ((x3) & (x6)) ^ ((x4) & (x5)) ^ ((x4) & (x6)) ^ ((x0) & (x4)) ^ (x0) ) |
136 | #define F5(x6,x5,x4,x3,x2,x1,x0) ( ((x1) & (x4)) ^ ((x2) & (x5)) ^ ((x3) & (x6)) ^ \ |
137 | ((x0) & (x1) & (x2) & (x3)) ^ ((x0) & (x5)) ^ (x0) ) |
138 | |
139 | #define ROTR(x,n) (((x) >> (n)) | ((x) << (32 - (n)))) |
140 | |
141 | |
142 | /* {{{ PHP_3HAVALTransform |
143 | */ |
144 | static void PHP_3HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128]) |
145 | { |
146 | php_hash_uint32 E[8]; |
147 | php_hash_uint32 x[32]; |
148 | int i; |
149 | |
150 | Decode(x, block, 128); |
151 | |
152 | for(i = 0; i < 8; i++) { |
153 | E[i] = state[i]; |
154 | } |
155 | |
156 | for(i = 0; i < 32; i++) { |
157 | E[7 - (i % 8)] = ROTR(F1(E[M1[i]],E[M0[i]],E[M3[i]],E[M5[i]],E[M6[i]],E[M2[i]],E[M4[i]]),7) + ROTR(E[M7[i]],11) + x[i]; |
158 | } |
159 | for(i = 0; i < 32; i++) { |
160 | E[7 - (i % 8)] = ROTR(F2(E[M4[i]],E[M2[i]],E[M1[i]],E[M0[i]],E[M5[i]],E[M3[i]],E[M6[i]]),7) + ROTR(E[M7[i]],11) + x[I2[i]] + K2[i]; |
161 | } |
162 | for(i = 0; i < 32; i++) { |
163 | E[7 - (i % 8)] = ROTR(F3(E[M6[i]],E[M1[i]],E[M2[i]],E[M3[i]],E[M4[i]],E[M5[i]],E[M0[i]]),7) + ROTR(E[M7[i]],11) + x[I3[i]] + K3[i]; |
164 | } |
165 | |
166 | /* Update digest */ |
167 | for(i = 0; i < 8; i++) { |
168 | state[i] += E[i]; |
169 | } |
170 | |
171 | /* Zeroize sensitive information. */ |
172 | memset((unsigned char*) x, 0, sizeof(x)); |
173 | } |
174 | /* }}} */ |
175 | |
176 | /* {{{ PHP_4HAVALTransform |
177 | */ |
178 | static void PHP_4HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128]) |
179 | { |
180 | php_hash_uint32 E[8]; |
181 | php_hash_uint32 x[32]; |
182 | int i; |
183 | |
184 | Decode(x, block, 128); |
185 | |
186 | for(i = 0; i < 8; i++) { |
187 | E[i] = state[i]; |
188 | } |
189 | |
190 | for(i = 0; i < 32; i++) { |
191 | E[7 - (i % 8)] = ROTR(F1(E[M2[i]],E[M6[i]],E[M1[i]],E[M4[i]],E[M5[i]],E[M3[i]],E[M0[i]]),7) + ROTR(E[M7[i]],11) + x[i]; |
192 | } |
193 | for(i = 0; i < 32; i++) { |
194 | E[7 - (i % 8)] = ROTR(F2(E[M3[i]],E[M5[i]],E[M2[i]],E[M0[i]],E[M1[i]],E[M6[i]],E[M4[i]]),7) + ROTR(E[M7[i]],11) + x[I2[i]] + K2[i]; |
195 | } |
196 | for(i = 0; i < 32; i++) { |
197 | E[7 - (i % 8)] = ROTR(F3(E[M1[i]],E[M4[i]],E[M3[i]],E[M6[i]],E[M0[i]],E[M2[i]],E[M5[i]]),7) + ROTR(E[M7[i]],11) + x[I3[i]] + K3[i]; |
198 | } |
199 | for(i = 0; i < 32; i++) { |
200 | E[7 - (i % 8)] = ROTR(F4(E[M6[i]],E[M4[i]],E[M0[i]],E[M5[i]],E[M2[i]],E[M1[i]],E[M3[i]]),7) + ROTR(E[M7[i]],11) + x[I4[i]] + K4[i]; |
201 | } |
202 | |
203 | /* Update digest */ |
204 | for(i = 0; i < 8; i++) { |
205 | state[i] += E[i]; |
206 | } |
207 | |
208 | /* Zeroize sensitive information. */ |
209 | memset((unsigned char*) x, 0, sizeof(x)); |
210 | } |
211 | /* }}} */ |
212 | |
213 | /* {{{ PHP_5HAVALTransform |
214 | */ |
215 | static void PHP_5HAVALTransform(php_hash_uint32 state[8], const unsigned char block[128]) |
216 | { |
217 | php_hash_uint32 E[8]; |
218 | php_hash_uint32 x[32]; |
219 | int i; |
220 | |
221 | Decode(x, block, 128); |
222 | |
223 | for(i = 0; i < 8; i++) { |
224 | E[i] = state[i]; |
225 | } |
226 | for(i = 0; i < 32; i++) { |
227 | E[7 - (i % 8)] = ROTR(F1(E[M3[i]],E[M4[i]],E[M1[i]],E[M0[i]],E[M5[i]],E[M2[i]],E[M6[i]]),7) + ROTR(E[M7[i]],11) + x[i]; |
228 | } |
229 | for(i = 0; i < 32; i++) { |
230 | E[7 - (i % 8)] = ROTR(F2(E[M6[i]],E[M2[i]],E[M1[i]],E[M0[i]],E[M3[i]],E[M4[i]],E[M5[i]]),7) + ROTR(E[M7[i]],11) + x[I2[i]] + K2[i]; |
231 | } |
232 | for(i = 0; i < 32; i++) { |
233 | E[7 - (i % 8)] = ROTR(F3(E[M2[i]],E[M6[i]],E[M0[i]],E[M4[i]],E[M3[i]],E[M1[i]],E[M5[i]]),7) + ROTR(E[M7[i]],11) + x[I3[i]] + K3[i]; |
234 | } |
235 | for(i = 0; i < 32; i++) { |
236 | E[7 - (i % 8)] = ROTR(F4(E[M1[i]],E[M5[i]],E[M3[i]],E[M2[i]],E[M0[i]],E[M4[i]],E[M6[i]]),7) + ROTR(E[M7[i]],11) + x[I4[i]] + K4[i]; |
237 | } |
238 | for(i = 0; i < 32; i++) { |
239 | E[7 - (i % 8)] = ROTR(F5(E[M2[i]],E[M5[i]],E[M0[i]],E[M6[i]],E[M4[i]],E[M3[i]],E[M1[i]]),7) + ROTR(E[M7[i]],11) + x[I5[i]] + K5[i]; |
240 | } |
241 | |
242 | /* Update digest */ |
243 | for(i = 0; i < 8; i++) { |
244 | state[i] += E[i]; |
245 | } |
246 | |
247 | /* Zeroize sensitive information. */ |
248 | memset((unsigned char*) x, 0, sizeof(x)); |
249 | } |
250 | /* }}} */ |
251 | |
252 | #define PHP_HASH_HAVAL_INIT(p,b) \ |
253 | const php_hash_ops php_hash_##p##haval##b##_ops = { \ |
254 | (php_hash_init_func_t) PHP_##p##HAVAL##b##Init, \ |
255 | (php_hash_update_func_t) PHP_HAVALUpdate, \ |
256 | (php_hash_final_func_t) PHP_HAVAL##b##Final, \ |
257 | (php_hash_copy_func_t) php_hash_copy, \ |
258 | ((b) / 8), 128, sizeof(PHP_HAVAL_CTX) }; \ |
259 | PHP_HASH_API void PHP_##p##HAVAL##b##Init(PHP_HAVAL_CTX *context) \ |
260 | { int i; context->count[0] = context->count[1] = 0; \ |
261 | for(i = 0; i < 8; i++) context->state[i] = D0[i]; \ |
262 | context->passes = p; context->output = b; \ |
263 | context->Transform = PHP_##p##HAVALTransform; } |
264 | |
265 | PHP_HASH_HAVAL_INIT(3,128) |
266 | PHP_HASH_HAVAL_INIT(3,160) |
267 | PHP_HASH_HAVAL_INIT(3,192) |
268 | PHP_HASH_HAVAL_INIT(3,224) |
269 | PHP_HASH_HAVAL_INIT(3,256) |
270 | |
271 | PHP_HASH_HAVAL_INIT(4,128) |
272 | PHP_HASH_HAVAL_INIT(4,160) |
273 | PHP_HASH_HAVAL_INIT(4,192) |
274 | PHP_HASH_HAVAL_INIT(4,224) |
275 | PHP_HASH_HAVAL_INIT(4,256) |
276 | |
277 | PHP_HASH_HAVAL_INIT(5,128) |
278 | PHP_HASH_HAVAL_INIT(5,160) |
279 | PHP_HASH_HAVAL_INIT(5,192) |
280 | PHP_HASH_HAVAL_INIT(5,224) |
281 | PHP_HASH_HAVAL_INIT(5,256) |
282 | |
283 | /* {{{ PHP_HAVALUpdate |
284 | */ |
285 | PHP_HASH_API void PHP_HAVALUpdate(PHP_HAVAL_CTX *context, const unsigned char *input, unsigned int inputLen) |
286 | { |
287 | unsigned int i, index, partLen; |
288 | |
289 | /* Compute number of bytes mod 128 */ |
290 | index = (unsigned int) ((context->count[0] >> 3) & 0x7F); |
291 | /* Update number of bits */ |
292 | if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) { |
293 | context->count[1]++; |
294 | } |
295 | context->count[1] += ((php_hash_uint32) inputLen >> 29); |
296 | |
297 | partLen = 128 - index; |
298 | |
299 | /* Transform as many times as possible. |
300 | */ |
301 | if (inputLen >= partLen) { |
302 | memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen); |
303 | context->Transform(context->state, context->buffer); |
304 | |
305 | for (i = partLen; i + 127 < inputLen; i += 128) { |
306 | context->Transform(context->state, &input[i]); |
307 | } |
308 | |
309 | index = 0; |
310 | } else { |
311 | i = 0; |
312 | } |
313 | |
314 | /* Buffer remaining input */ |
315 | memcpy((unsigned char*) &context->buffer[index], (unsigned char*) &input[i], inputLen - i); |
316 | } |
317 | /* }}} */ |
318 | |
319 | #define PHP_HASH_HAVAL_VERSION 0x01 |
320 | |
321 | /* {{{ PHP_HAVAL128Final |
322 | */ |
323 | PHP_HASH_API void PHP_HAVAL128Final(unsigned char *digest, PHP_HAVAL_CTX * context) |
324 | { |
325 | unsigned char bits[10]; |
326 | unsigned int index, padLen; |
327 | |
328 | /* Version, Passes, and Digest Length */ |
329 | bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) | |
330 | ((context->passes & 0x07) << 3) | |
331 | ((context->output & 0x03) << 6); |
332 | bits[1] = (context->output >> 2); |
333 | |
334 | /* Save number of bits */ |
335 | Encode(bits + 2, context->count, 8); |
336 | |
337 | /* Pad out to 118 mod 128. |
338 | */ |
339 | index = (unsigned int) ((context->count[0] >> 3) & 0x3f); |
340 | padLen = (index < 118) ? (118 - index) : (246 - index); |
341 | PHP_HAVALUpdate(context, PADDING, padLen); |
342 | |
343 | /* Append version, passes, digest length, and message length */ |
344 | PHP_HAVALUpdate(context, bits, 10); |
345 | |
346 | /* Store state in digest */ |
347 | context->state[3] += (context->state[7] & 0xFF000000) | |
348 | (context->state[6] & 0x00FF0000) | |
349 | (context->state[5] & 0x0000FF00) | |
350 | (context->state[4] & 0x000000FF); |
351 | |
352 | context->state[2] += (((context->state[7] & 0x00FF0000) | |
353 | (context->state[6] & 0x0000FF00) | |
354 | (context->state[5] & 0x000000FF)) << 8) | |
355 | ((context->state[4] & 0xFF000000) >> 24); |
356 | |
357 | context->state[1] += (((context->state[7] & 0x0000FF00) | |
358 | (context->state[6] & 0x000000FF)) << 16) | |
359 | (((context->state[5] & 0xFF000000) | |
360 | (context->state[4] & 0x00FF0000)) >> 16); |
361 | |
362 | context->state[0] += ((context->state[7] & 0x000000FF) << 24) | |
363 | (((context->state[6] & 0xFF000000) | |
364 | (context->state[5] & 0x00FF0000) | |
365 | (context->state[4] & 0x0000FF00)) >> 8); |
366 | |
367 | Encode(digest, context->state, 16); |
368 | |
369 | /* Zeroize sensitive information. |
370 | */ |
371 | memset((unsigned char*) context, 0, sizeof(*context)); |
372 | } |
373 | /* }}} */ |
374 | |
375 | /* {{{ PHP_HAVAL160Final |
376 | */ |
377 | PHP_HASH_API void PHP_HAVAL160Final(unsigned char *digest, PHP_HAVAL_CTX * context) |
378 | { |
379 | unsigned char bits[10]; |
380 | unsigned int index, padLen; |
381 | |
382 | /* Version, Passes, and Digest Length */ |
383 | bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) | |
384 | ((context->passes & 0x07) << 3) | |
385 | ((context->output & 0x03) << 6); |
386 | bits[1] = (context->output >> 2); |
387 | |
388 | /* Save number of bits */ |
389 | Encode(bits + 2, context->count, 8); |
390 | |
391 | /* Pad out to 118 mod 128. |
392 | */ |
393 | index = (unsigned int) ((context->count[0] >> 3) & 0x3f); |
394 | padLen = (index < 118) ? (118 - index) : (246 - index); |
395 | PHP_HAVALUpdate(context, PADDING, padLen); |
396 | |
397 | /* Append version, passes, digest length, and message length */ |
398 | PHP_HAVALUpdate(context, bits, 10); |
399 | |
400 | /* Store state in digest */ |
401 | context->state[4] += ((context->state[7] & 0xFE000000) | |
402 | (context->state[6] & 0x01F80000) | |
403 | (context->state[5] & 0x0007F000)) >> 12; |
404 | |
405 | context->state[3] += ((context->state[7] & 0x01F80000) | |
406 | (context->state[6] & 0x0007F000) | |
407 | (context->state[5] & 0x00000FC0)) >> 6; |
408 | |
409 | context->state[2] += (context->state[7] & 0x0007F000) | |
410 | (context->state[6] & 0x00000FC0) | |
411 | (context->state[5] & 0x0000003F); |
412 | |
413 | context->state[1] += ROTR((context->state[7] & 0x00000FC0) | |
414 | (context->state[6] & 0x0000003F) | |
415 | (context->state[5] & 0xFE000000), 25); |
416 | |
417 | context->state[0] += ROTR((context->state[7] & 0x0000003F) | |
418 | (context->state[6] & 0xFE000000) | |
419 | (context->state[5] & 0x01F80000), 19); |
420 | |
421 | Encode(digest, context->state, 20); |
422 | |
423 | /* Zeroize sensitive information. |
424 | */ |
425 | memset((unsigned char*) context, 0, sizeof(*context)); |
426 | } |
427 | /* }}} */ |
428 | |
429 | /* {{{ PHP_HAVAL192Final |
430 | */ |
431 | PHP_HASH_API void PHP_HAVAL192Final(unsigned char *digest, PHP_HAVAL_CTX * context) |
432 | { |
433 | unsigned char bits[10]; |
434 | unsigned int index, padLen; |
435 | |
436 | /* Version, Passes, and Digest Length */ |
437 | bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) | |
438 | ((context->passes & 0x07) << 3) | |
439 | ((context->output & 0x03) << 6); |
440 | bits[1] = (context->output >> 2); |
441 | |
442 | /* Save number of bits */ |
443 | Encode(bits + 2, context->count, 8); |
444 | |
445 | /* Pad out to 118 mod 128. |
446 | */ |
447 | index = (unsigned int) ((context->count[0] >> 3) & 0x3f); |
448 | padLen = (index < 118) ? (118 - index) : (246 - index); |
449 | PHP_HAVALUpdate(context, PADDING, padLen); |
450 | |
451 | /* Append version, passes, digest length, and message length */ |
452 | PHP_HAVALUpdate(context, bits, 10); |
453 | |
454 | /* Store state in digest */ |
455 | context->state[5] += ((context->state[7] & 0xFC000000) | (context->state[6] & 0x03E00000)) >> 21; |
456 | context->state[4] += ((context->state[7] & 0x03E00000) | (context->state[6] & 0x001F0000)) >> 16; |
457 | context->state[3] += ((context->state[7] & 0x001F0000) | (context->state[6] & 0x0000FC00)) >> 10; |
458 | context->state[2] += ((context->state[7] & 0x0000FC00) | (context->state[6] & 0x000003E0)) >> 5; |
459 | context->state[1] += (context->state[7] & 0x000003E0) | (context->state[6] & 0x0000001F); |
460 | context->state[0] += ROTR((context->state[7] & 0x0000001F) | (context->state[6] & 0xFC000000), 26); |
461 | Encode(digest, context->state, 24); |
462 | |
463 | /* Zeroize sensitive information. |
464 | */ |
465 | memset((unsigned char*) context, 0, sizeof(*context)); |
466 | } |
467 | /* }}} */ |
468 | |
469 | /* {{{ PHP_HAVAL224Final |
470 | */ |
471 | PHP_HASH_API void PHP_HAVAL224Final(unsigned char *digest, PHP_HAVAL_CTX * context) |
472 | { |
473 | unsigned char bits[10]; |
474 | unsigned int index, padLen; |
475 | |
476 | /* Version, Passes, and Digest Length */ |
477 | bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) | |
478 | ((context->passes & 0x07) << 3) | |
479 | ((context->output & 0x03) << 6); |
480 | bits[1] = (context->output >> 2); |
481 | |
482 | /* Save number of bits */ |
483 | Encode(bits + 2, context->count, 8); |
484 | |
485 | /* Pad out to 118 mod 128. |
486 | */ |
487 | index = (unsigned int) ((context->count[0] >> 3) & 0x3f); |
488 | padLen = (index < 118) ? (118 - index) : (246 - index); |
489 | PHP_HAVALUpdate(context, PADDING, padLen); |
490 | |
491 | /* Append version, passes, digest length, and message length */ |
492 | PHP_HAVALUpdate(context, bits, 10); |
493 | |
494 | /* Store state in digest */ |
495 | context->state[6] += context->state[7] & 0x0000000F; |
496 | context->state[5] += (context->state[7] >> 4) & 0x0000001F; |
497 | context->state[4] += (context->state[7] >> 9) & 0x0000000F; |
498 | context->state[3] += (context->state[7] >> 13) & 0x0000001F; |
499 | context->state[2] += (context->state[7] >> 18) & 0x0000000F; |
500 | context->state[1] += (context->state[7] >> 22) & 0x0000001F; |
501 | context->state[0] += (context->state[7] >> 27) & 0x0000001F; |
502 | Encode(digest, context->state, 28); |
503 | |
504 | /* Zeroize sensitive information. |
505 | */ |
506 | memset((unsigned char*) context, 0, sizeof(*context)); |
507 | } |
508 | /* }}} */ |
509 | |
510 | /* {{{ PHP_HAVAL256Final |
511 | */ |
512 | PHP_HASH_API void PHP_HAVAL256Final(unsigned char *digest, PHP_HAVAL_CTX * context) |
513 | { |
514 | unsigned char bits[10]; |
515 | unsigned int index, padLen; |
516 | |
517 | /* Version, Passes, and Digest Length */ |
518 | bits[0] = (PHP_HASH_HAVAL_VERSION & 0x07) | |
519 | ((context->passes & 0x07) << 3) | |
520 | ((context->output & 0x03) << 6); |
521 | bits[1] = (context->output >> 2); |
522 | |
523 | /* Save number of bits */ |
524 | Encode(bits + 2, context->count, 8); |
525 | |
526 | /* Pad out to 118 mod 128. |
527 | */ |
528 | index = (unsigned int) ((context->count[0] >> 3) & 0x3f); |
529 | padLen = (index < 118) ? (118 - index) : (246 - index); |
530 | PHP_HAVALUpdate(context, PADDING, padLen); |
531 | |
532 | /* Append version, passes, digest length, and message length */ |
533 | PHP_HAVALUpdate(context, bits, 10); |
534 | |
535 | /* Store state in digest */ |
536 | Encode(digest, context->state, 32); |
537 | |
538 | /* Zeroize sensitive information. |
539 | */ |
540 | memset((unsigned char*) context, 0, sizeof(*context)); |
541 | } |
542 | /* }}} */ |
543 | |
544 | /* |
545 | * Local variables: |
546 | * tab-width: 4 |
547 | * c-basic-offset: 4 |
548 | * End: |
549 | * vim600: sw=4 ts=4 fdm=marker |
550 | * vim<600: sw=4 ts=4 |
551 | */ |
552 | |