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 : | Authors: Steffan Esser <sesser@php.net> |
16 : | Sara Golemon <pollita@php.net> |
17 : +----------------------------------------------------------------------+
18 : */
19 :
20 : /* $Id: hash_sha.c 272370 2008-12-31 11:15:49Z sebastian $ */
21 :
22 : #include "php_hash.h"
23 : #include "php_hash_sha.h"
24 :
25 : static const unsigned char PADDING[128] =
26 : {
27 : 0x80, 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 : 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
34 : 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
35 : };
36 :
37 : /* {{{ SHAEncode32
38 : Encodes input (php_hash_uint32) into output (unsigned char). Assumes len is
39 : a multiple of 4.
40 : */
41 : static void SHAEncode32(unsigned char *output, php_hash_uint32 *input, unsigned int len)
42 38 : {
43 : unsigned int i, j;
44 :
45 332 : for (i = 0, j = 0; j < len; i++, j += 4) {
46 294 : output[j] = (unsigned char) ((input[i] >> 24) & 0xff);
47 294 : output[j + 1] = (unsigned char) ((input[i] >> 16) & 0xff);
48 294 : output[j + 2] = (unsigned char) ((input[i] >> 8) & 0xff);
49 294 : output[j + 3] = (unsigned char) (input[i] & 0xff);
50 : }
51 38 : }
52 : /* }}} */
53 :
54 :
55 : /* {{{ SHADecode32
56 : Decodes input (unsigned char) into output (php_hash_uint32). Assumes len is
57 : a multiple of 4.
58 : */
59 : static void SHADecode32(php_hash_uint32 *output, const unsigned char *input, unsigned int len)
60 31456 : {
61 : unsigned int i, j;
62 :
63 534752 : for (i = 0, j = 0; j < len; i++, j += 4)
64 503296 : output[i] = ((php_hash_uint32) input[j + 3]) | (((php_hash_uint32) input[j + 2]) << 8) |
65 : (((php_hash_uint32) input[j + 1]) << 16) | (((php_hash_uint32) input[j]) << 24);
66 31456 : }
67 : /* }}} */
68 :
69 : const php_hash_ops php_hash_sha1_ops = {
70 : (php_hash_init_func_t) PHP_SHA1Init,
71 : (php_hash_update_func_t) PHP_SHA1Update,
72 : (php_hash_final_func_t) PHP_SHA1Final,
73 : (php_hash_copy_func_t) php_hash_copy,
74 : 20,
75 : 64,
76 : sizeof(PHP_SHA1_CTX)
77 : };
78 :
79 : #ifdef PHP_HASH_SHA1_NOT_IN_CORE
80 :
81 : PHP_HASH_API void make_sha1_digest(char *sha1str, unsigned char *digest)
82 : {
83 : php_hash_bin2hex(sha1str, digest, 20);
84 : sha1str[40] = '\0';
85 : }
86 :
87 : /* {{{ proto string sha1(string str [, bool raw_output])
88 : Calculate the sha1 hash of a string */
89 : PHP_FUNCTION(sha1)
90 : {
91 : char *arg;
92 : int arg_len;
93 : zend_bool raw_output = 0;
94 : char sha1str[41];
95 : PHP_SHA1_CTX context;
96 : unsigned char digest[20];
97 :
98 : if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &arg, &arg_len, &raw_output) == FAILURE) {
99 : return;
100 : }
101 :
102 : sha1str[0] = '\0';
103 : PHP_SHA1Init(&context);
104 : PHP_SHA1Update(&context, arg, arg_len);
105 : PHP_SHA1Final(digest, &context);
106 : if (raw_output) {
107 : RETURN_STRINGL(digest, 20, 1);
108 : } else {
109 : make_sha1_digest(sha1str, digest);
110 : RETVAL_STRING(sha1str, 1);
111 : }
112 :
113 : }
114 :
115 : /* }}} */
116 :
117 : /* {{{ proto string sha1_file(string filename [, bool raw_output])
118 : Calculate the sha1 hash of given filename */
119 : PHP_FUNCTION(sha1_file)
120 : {
121 : char *arg;
122 : int arg_len;
123 : zend_bool raw_output = 0;
124 : char sha1str[41];
125 : unsigned char buf[1024];
126 : unsigned char digest[20];
127 : PHP_SHA1_CTX context;
128 : int n;
129 : php_stream *stream;
130 :
131 : if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|b", &arg, &arg_len, &raw_output) == FAILURE) {
132 : return;
133 : }
134 :
135 : stream = php_stream_open_wrapper(arg, "rb", REPORT_ERRORS | ENFORCE_SAFE_MODE, NULL);
136 : if (!stream) {
137 : RETURN_FALSE;
138 : }
139 :
140 : PHP_SHA1Init(&context);
141 :
142 : while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
143 : PHP_SHA1Update(&context, buf, n);
144 : }
145 :
146 : PHP_SHA1Final(digest, &context);
147 :
148 : php_stream_close(stream);
149 :
150 : if (n<0) {
151 : RETURN_FALSE;
152 : }
153 :
154 : if (raw_output) {
155 : RETURN_STRINGL(digest, 20, 1);
156 : } else {
157 : make_sha1_digest(sha1str, digest);
158 : RETVAL_STRING(sha1str, 1);
159 : }
160 : }
161 : /* }}} */
162 :
163 : /* F, G, H and I are basic SHA1 functions.
164 : */
165 : #define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
166 : #define G(x, y, z) ((x) ^ (y) ^ (z))
167 : #define H(x, y, z) (((x) & (y)) | ((z) & ((x) | (y))))
168 : #define I(x, y, z) ((x) ^ (y) ^ (z))
169 :
170 : /* ROTATE_LEFT rotates x left n bits.
171 : */
172 : #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
173 :
174 : /* W[i]
175 : */
176 : #define W(i) ( tmp=x[(i-3)&15]^x[(i-8)&15]^x[(i-14)&15]^x[i&15], \
177 : (x[i&15]=ROTATE_LEFT(tmp, 1)) )
178 :
179 : /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
180 : */
181 : #define FF(a, b, c, d, e, w) { \
182 : (e) += F ((b), (c), (d)) + (w) + (php_hash_uint32)(0x5A827999); \
183 : (e) += ROTATE_LEFT ((a), 5); \
184 : (b) = ROTATE_LEFT((b), 30); \
185 : }
186 : #define GG(a, b, c, d, e, w) { \
187 : (e) += G ((b), (c), (d)) + (w) + (php_hash_uint32)(0x6ED9EBA1); \
188 : (e) += ROTATE_LEFT ((a), 5); \
189 : (b) = ROTATE_LEFT((b), 30); \
190 : }
191 : #define HH(a, b, c, d, e, w) { \
192 : (e) += H ((b), (c), (d)) + (w) + (php_hash_uint32)(0x8F1BBCDC); \
193 : (e) += ROTATE_LEFT ((a), 5); \
194 : (b) = ROTATE_LEFT((b), 30); \
195 : }
196 : #define II(a, b, c, d, e, w) { \
197 : (e) += I ((b), (c), (d)) + (w) + (php_hash_uint32)(0xCA62C1D6); \
198 : (e) += ROTATE_LEFT ((a), 5); \
199 : (b) = ROTATE_LEFT((b), 30); \
200 : }
201 :
202 :
203 : /* {{{ PHP_SHA1Init
204 : * SHA1 initialization. Begins an SHA1 operation, writing a new context.
205 : */
206 : PHP_HASH_API void PHP_SHA1Init(PHP_SHA1_CTX * context)
207 : {
208 : context->count[0] = context->count[1] = 0;
209 : /* Load magic initialization constants.
210 : */
211 : context->state[0] = 0x67452301;
212 : context->state[1] = 0xefcdab89;
213 : context->state[2] = 0x98badcfe;
214 : context->state[3] = 0x10325476;
215 : context->state[4] = 0xc3d2e1f0;
216 : }
217 : /* }}} */
218 :
219 : /* {{{ SHA1Transform
220 : * SHA1 basic transformation. Transforms state based on block.
221 : */
222 : static void SHA1Transform(php_hash_uint32 state[5], const unsigned char block[64])
223 : {
224 : php_hash_uint32 a = state[0], b = state[1], c = state[2];
225 : php_hash_uint32 d = state[3], e = state[4], x[16], tmp;
226 :
227 : SHADecode32(x, block, 64);
228 :
229 : /* Round 1 */
230 : FF(a, b, c, d, e, x[0]); /* 1 */
231 : FF(e, a, b, c, d, x[1]); /* 2 */
232 : FF(d, e, a, b, c, x[2]); /* 3 */
233 : FF(c, d, e, a, b, x[3]); /* 4 */
234 : FF(b, c, d, e, a, x[4]); /* 5 */
235 : FF(a, b, c, d, e, x[5]); /* 6 */
236 : FF(e, a, b, c, d, x[6]); /* 7 */
237 : FF(d, e, a, b, c, x[7]); /* 8 */
238 : FF(c, d, e, a, b, x[8]); /* 9 */
239 : FF(b, c, d, e, a, x[9]); /* 10 */
240 : FF(a, b, c, d, e, x[10]); /* 11 */
241 : FF(e, a, b, c, d, x[11]); /* 12 */
242 : FF(d, e, a, b, c, x[12]); /* 13 */
243 : FF(c, d, e, a, b, x[13]); /* 14 */
244 : FF(b, c, d, e, a, x[14]); /* 15 */
245 : FF(a, b, c, d, e, x[15]); /* 16 */
246 : FF(e, a, b, c, d, W(16)); /* 17 */
247 : FF(d, e, a, b, c, W(17)); /* 18 */
248 : FF(c, d, e, a, b, W(18)); /* 19 */
249 : FF(b, c, d, e, a, W(19)); /* 20 */
250 :
251 : /* Round 2 */
252 : GG(a, b, c, d, e, W(20)); /* 21 */
253 : GG(e, a, b, c, d, W(21)); /* 22 */
254 : GG(d, e, a, b, c, W(22)); /* 23 */
255 : GG(c, d, e, a, b, W(23)); /* 24 */
256 : GG(b, c, d, e, a, W(24)); /* 25 */
257 : GG(a, b, c, d, e, W(25)); /* 26 */
258 : GG(e, a, b, c, d, W(26)); /* 27 */
259 : GG(d, e, a, b, c, W(27)); /* 28 */
260 : GG(c, d, e, a, b, W(28)); /* 29 */
261 : GG(b, c, d, e, a, W(29)); /* 30 */
262 : GG(a, b, c, d, e, W(30)); /* 31 */
263 : GG(e, a, b, c, d, W(31)); /* 32 */
264 : GG(d, e, a, b, c, W(32)); /* 33 */
265 : GG(c, d, e, a, b, W(33)); /* 34 */
266 : GG(b, c, d, e, a, W(34)); /* 35 */
267 : GG(a, b, c, d, e, W(35)); /* 36 */
268 : GG(e, a, b, c, d, W(36)); /* 37 */
269 : GG(d, e, a, b, c, W(37)); /* 38 */
270 : GG(c, d, e, a, b, W(38)); /* 39 */
271 : GG(b, c, d, e, a, W(39)); /* 40 */
272 :
273 : /* Round 3 */
274 : HH(a, b, c, d, e, W(40)); /* 41 */
275 : HH(e, a, b, c, d, W(41)); /* 42 */
276 : HH(d, e, a, b, c, W(42)); /* 43 */
277 : HH(c, d, e, a, b, W(43)); /* 44 */
278 : HH(b, c, d, e, a, W(44)); /* 45 */
279 : HH(a, b, c, d, e, W(45)); /* 46 */
280 : HH(e, a, b, c, d, W(46)); /* 47 */
281 : HH(d, e, a, b, c, W(47)); /* 48 */
282 : HH(c, d, e, a, b, W(48)); /* 49 */
283 : HH(b, c, d, e, a, W(49)); /* 50 */
284 : HH(a, b, c, d, e, W(50)); /* 51 */
285 : HH(e, a, b, c, d, W(51)); /* 52 */
286 : HH(d, e, a, b, c, W(52)); /* 53 */
287 : HH(c, d, e, a, b, W(53)); /* 54 */
288 : HH(b, c, d, e, a, W(54)); /* 55 */
289 : HH(a, b, c, d, e, W(55)); /* 56 */
290 : HH(e, a, b, c, d, W(56)); /* 57 */
291 : HH(d, e, a, b, c, W(57)); /* 58 */
292 : HH(c, d, e, a, b, W(58)); /* 59 */
293 : HH(b, c, d, e, a, W(59)); /* 60 */
294 :
295 : /* Round 4 */
296 : II(a, b, c, d, e, W(60)); /* 61 */
297 : II(e, a, b, c, d, W(61)); /* 62 */
298 : II(d, e, a, b, c, W(62)); /* 63 */
299 : II(c, d, e, a, b, W(63)); /* 64 */
300 : II(b, c, d, e, a, W(64)); /* 65 */
301 : II(a, b, c, d, e, W(65)); /* 66 */
302 : II(e, a, b, c, d, W(66)); /* 67 */
303 : II(d, e, a, b, c, W(67)); /* 68 */
304 : II(c, d, e, a, b, W(68)); /* 69 */
305 : II(b, c, d, e, a, W(69)); /* 70 */
306 : II(a, b, c, d, e, W(70)); /* 71 */
307 : II(e, a, b, c, d, W(71)); /* 72 */
308 : II(d, e, a, b, c, W(72)); /* 73 */
309 : II(c, d, e, a, b, W(73)); /* 74 */
310 : II(b, c, d, e, a, W(74)); /* 75 */
311 : II(a, b, c, d, e, W(75)); /* 76 */
312 : II(e, a, b, c, d, W(76)); /* 77 */
313 : II(d, e, a, b, c, W(77)); /* 78 */
314 : II(c, d, e, a, b, W(78)); /* 79 */
315 : II(b, c, d, e, a, W(79)); /* 80 */
316 :
317 : state[0] += a;
318 : state[1] += b;
319 : state[2] += c;
320 : state[3] += d;
321 : state[4] += e;
322 :
323 : /* Zeroize sensitive information. */
324 : memset((unsigned char*) x, 0, sizeof(x));
325 : }
326 : /* }}} */
327 :
328 : /* {{{ PHP_SHA1Update
329 : SHA1 block update operation. Continues an SHA1 message-digest
330 : operation, processing another message block, and updating the
331 : context.
332 : */
333 : PHP_HASH_API void PHP_SHA1Update(PHP_SHA1_CTX * context, const unsigned char *input,
334 : unsigned int inputLen)
335 : {
336 : unsigned int i, index, partLen;
337 :
338 : /* Compute number of bytes mod 64 */
339 : index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
340 :
341 : /* Update number of bits */
342 : if ((context->count[0] += ((php_hash_uint32) inputLen << 3))
343 : < ((php_hash_uint32) inputLen << 3))
344 : context->count[1]++;
345 : context->count[1] += ((php_hash_uint32) inputLen >> 29);
346 :
347 : partLen = 64 - index;
348 :
349 : /* Transform as many times as possible.
350 : */
351 : if (inputLen >= partLen) {
352 : memcpy
353 : ((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
354 : SHA1Transform(context->state, context->buffer);
355 :
356 : for (i = partLen; i + 63 < inputLen; i += 64)
357 : SHA1Transform(context->state, &input[i]);
358 :
359 : index = 0;
360 : } else
361 : i = 0;
362 :
363 : /* Buffer remaining input */
364 : memcpy
365 : ((unsigned char*) & context->buffer[index], (unsigned char*) & input[i],
366 : inputLen - i);
367 : }
368 : /* }}} */
369 :
370 : /* {{{ PHP_SHA1Final
371 : SHA1 finalization. Ends an SHA1 message-digest operation, writing the
372 : the message digest and zeroizing the context.
373 : */
374 : PHP_HASH_API void PHP_SHA1Final(unsigned char digest[20], PHP_SHA1_CTX * context)
375 : {
376 : unsigned char bits[8];
377 : unsigned int index, padLen;
378 :
379 : /* Save number of bits */
380 : bits[7] = context->count[0] & 0xFF;
381 : bits[6] = (context->count[0] >> 8) & 0xFF;
382 : bits[5] = (context->count[0] >> 16) & 0xFF;
383 : bits[4] = (context->count[0] >> 24) & 0xFF;
384 : bits[3] = context->count[1] & 0xFF;
385 : bits[2] = (context->count[1] >> 8) & 0xFF;
386 : bits[1] = (context->count[1] >> 16) & 0xFF;
387 : bits[0] = (context->count[1] >> 24) & 0xFF;
388 :
389 : /* Pad out to 56 mod 64.
390 : */
391 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
392 : padLen = (index < 56) ? (56 - index) : (120 - index);
393 : PHP_SHA1Update(context, PADDING, padLen);
394 :
395 : /* Append length (before padding) */
396 : PHP_SHA1Update(context, bits, 8);
397 :
398 : /* Store state in digest */
399 : SHAEncode32(digest, context->state, 20);
400 :
401 : /* Zeroize sensitive information.
402 : */
403 : memset((unsigned char*) context, 0, sizeof(*context));
404 : }
405 : /* }}} */
406 :
407 : #endif /* PHP_HASH_SHA1_NOT_IN_CORE */
408 :
409 : /* sha224/sha256 */
410 :
411 : const php_hash_ops php_hash_sha256_ops = {
412 : (php_hash_init_func_t) PHP_SHA256Init,
413 : (php_hash_update_func_t) PHP_SHA256Update,
414 : (php_hash_final_func_t) PHP_SHA256Final,
415 : (php_hash_copy_func_t) php_hash_copy,
416 : 32,
417 : 64,
418 : sizeof(PHP_SHA256_CTX)
419 : };
420 :
421 : const php_hash_ops php_hash_sha224_ops = {
422 : (php_hash_init_func_t) PHP_SHA224Init,
423 : (php_hash_update_func_t) PHP_SHA224Update,
424 : (php_hash_final_func_t) PHP_SHA224Final,
425 : (php_hash_copy_func_t) php_hash_copy,
426 : 28,
427 : 64,
428 : sizeof(PHP_SHA224_CTX)
429 : };
430 :
431 : #define ROTR32(b,x) ((x >> b) | (x << (32 - b)))
432 : #define ROTR64(b,x) ((x >> b) | (x << (64 - b)))
433 : #define SHR(b, x) (x >> b)
434 :
435 : /* Ch */
436 : #define SHA256_F0(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
437 : /* Maj */
438 : #define SHA256_F1(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
439 : /* SUM0 */
440 : #define SHA256_F2(x) (ROTR32( 2,(x)) ^ ROTR32(13,(x)) ^ ROTR32(22,(x)))
441 : /* SUM1 */
442 : #define SHA256_F3(x) (ROTR32( 6,(x)) ^ ROTR32(11,(x)) ^ ROTR32(25,(x)))
443 : /* OM0 */
444 : #define SHA256_F4(x) (ROTR32( 7,(x)) ^ ROTR32(18,(x)) ^ SHR( 3,(x)))
445 : /* OM1 */
446 : #define SHA256_F5(x) (ROTR32(17,(x)) ^ ROTR32(19,(x)) ^ SHR(10,(x)))
447 :
448 : static const php_hash_uint32 SHA256_K[64] = {
449 : 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
450 : 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
451 : 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
452 : 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
453 : 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
454 : 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
455 : 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
456 : 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 };
457 :
458 : /* {{{ PHP_SHA256Init
459 : * SHA256 initialization. Begins an SHA256 operation, writing a new context.
460 : */
461 : PHP_HASH_API void PHP_SHA256Init(PHP_SHA256_CTX * context)
462 28 : {
463 28 : context->count[0] = context->count[1] = 0;
464 : /* Load magic initialization constants.
465 : */
466 28 : context->state[0] = 0x6a09e667;
467 28 : context->state[1] = 0xbb67ae85;
468 28 : context->state[2] = 0x3c6ef372;
469 28 : context->state[3] = 0xa54ff53a;
470 28 : context->state[4] = 0x510e527f;
471 28 : context->state[5] = 0x9b05688c;
472 28 : context->state[6] = 0x1f83d9ab;
473 28 : context->state[7] = 0x5be0cd19;
474 28 : }
475 : /* }}} */
476 :
477 : /* {{{ SHA256Transform
478 : * SHA256 basic transformation. Transforms state based on block.
479 : */
480 : static void SHA256Transform(php_hash_uint32 state[8], const unsigned char block[64])
481 31456 : {
482 31456 : php_hash_uint32 a = state[0], b = state[1], c = state[2], d = state[3];
483 31456 : php_hash_uint32 e = state[4], f = state[5], g = state[6], h = state[7];
484 : php_hash_uint32 x[16], T1, T2, W[64];
485 : int i;
486 :
487 31456 : SHADecode32(x, block, 64);
488 :
489 : /* Schedule */
490 534752 : for(i = 0; i < 16; i++) {
491 503296 : W[i] = x[i];
492 : }
493 1541344 : for(i = 16; i < 64; i++) {
494 1509888 : W[i] = SHA256_F5(W[i-2]) + W[i-7] + SHA256_F4(W[i-15]) + W[i-16];
495 : }
496 :
497 2044640 : for (i = 0; i < 64; i++) {
498 2013184 : T1 = h + SHA256_F3(e) + SHA256_F0(e,f,g) + SHA256_K[i] + W[i];
499 2013184 : T2 = SHA256_F2(a) + SHA256_F1(a,b,c);
500 2013184 : h = g; g = f; f = e; e = d + T1;
501 2013184 : d = c; c = b; b = a; a = T1 + T2;
502 : }
503 :
504 31456 : state[0] += a;
505 31456 : state[1] += b;
506 31456 : state[2] += c;
507 31456 : state[3] += d;
508 31456 : state[4] += e;
509 31456 : state[5] += f;
510 31456 : state[6] += g;
511 31456 : state[7] += h;
512 :
513 : /* Zeroize sensitive information. */
514 31456 : memset((unsigned char*) x, 0, sizeof(x));
515 31456 : }
516 : /* }}} */
517 :
518 : /* {{{ PHP_SHA224Init
519 : * SHA224 initialization. Begins an SHA224 operation, writing a new context.
520 : */
521 : PHP_HASH_API void PHP_SHA224Init(PHP_SHA224_CTX * context)
522 10 : {
523 10 : context->count[0] = context->count[1] = 0;
524 : /* Load magic initialization constants.
525 : */
526 10 : context->state[0] = 0xc1059ed8;
527 10 : context->state[1] = 0x367cd507;
528 10 : context->state[2] = 0x3070dd17;
529 10 : context->state[3] = 0xf70e5939;
530 10 : context->state[4] = 0xffc00b31;
531 10 : context->state[5] = 0x68581511;
532 10 : context->state[6] = 0x64f98fa7;
533 10 : context->state[7] = 0xbefa4fa4;
534 10 : }
535 : /* }}} */
536 :
537 : /* {{{ PHP_SHA224Update
538 : SHA224 block update operation. Continues an SHA224 message-digest
539 : operation, processing another message block, and updating the
540 : context.
541 : */
542 : PHP_HASH_API void PHP_SHA224Update(PHP_SHA224_CTX * context, const unsigned char *input, unsigned int inputLen)
543 29 : {
544 : unsigned int i, index, partLen;
545 :
546 : /* Compute number of bytes mod 64 */
547 29 : index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
548 :
549 : /* Update number of bits */
550 29 : if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
551 0 : context->count[1]++;
552 : }
553 29 : context->count[1] += ((php_hash_uint32) inputLen >> 29);
554 :
555 29 : partLen = 64 - index;
556 :
557 : /* Transform as many times as possible.
558 : */
559 29 : if (inputLen >= partLen) {
560 14 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
561 14 : SHA256Transform(context->state, context->buffer);
562 :
563 15638 : for (i = partLen; i + 63 < inputLen; i += 64) {
564 15624 : SHA256Transform(context->state, &input[i]);
565 : }
566 :
567 14 : index = 0;
568 : } else {
569 15 : i = 0;
570 : }
571 :
572 : /* Buffer remaining input */
573 29 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
574 29 : }
575 : /* }}} */
576 :
577 : /* {{{ PHP_SHA224Final
578 : SHA224 finalization. Ends an SHA224 message-digest operation, writing the
579 : the message digest and zeroizing the context.
580 : */
581 : PHP_HASH_API void PHP_SHA224Final(unsigned char digest[28], PHP_SHA224_CTX * context)
582 10 : {
583 : unsigned char bits[8];
584 : unsigned int index, padLen;
585 :
586 : /* Save number of bits */
587 10 : bits[7] = (unsigned char) (context->count[0] & 0xFF);
588 10 : bits[6] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
589 10 : bits[5] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
590 10 : bits[4] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
591 10 : bits[3] = (unsigned char) (context->count[1] & 0xFF);
592 10 : bits[2] = (unsigned char) ((context->count[1] >> 8) & 0xFF);
593 10 : bits[1] = (unsigned char) ((context->count[1] >> 16) & 0xFF);
594 10 : bits[0] = (unsigned char) ((context->count[1] >> 24) & 0xFF);
595 :
596 : /* Pad out to 56 mod 64.
597 : */
598 10 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
599 10 : padLen = (index < 56) ? (56 - index) : (120 - index);
600 10 : PHP_SHA224Update(context, PADDING, padLen);
601 :
602 : /* Append length (before padding) */
603 10 : PHP_SHA224Update(context, bits, 8);
604 :
605 : /* Store state in digest */
606 10 : SHAEncode32(digest, context->state, 28);
607 :
608 : /* Zeroize sensitive information.
609 : */
610 10 : memset((unsigned char*) context, 0, sizeof(*context));
611 10 : }
612 : /* }}} */
613 :
614 : /* {{{ PHP_SHA256Update
615 : SHA256 block update operation. Continues an SHA256 message-digest
616 : operation, processing another message block, and updating the
617 : context.
618 : */
619 : PHP_HASH_API void PHP_SHA256Update(PHP_SHA256_CTX * context, const unsigned char *input, unsigned int inputLen)
620 98 : {
621 : unsigned int i, index, partLen;
622 :
623 : /* Compute number of bytes mod 64 */
624 98 : index = (unsigned int) ((context->count[0] >> 3) & 0x3F);
625 :
626 : /* Update number of bits */
627 98 : if ((context->count[0] += ((php_hash_uint32) inputLen << 3)) < ((php_hash_uint32) inputLen << 3)) {
628 0 : context->count[1]++;
629 : }
630 98 : context->count[1] += ((php_hash_uint32) inputLen >> 29);
631 :
632 98 : partLen = 64 - index;
633 :
634 : /* Transform as many times as possible.
635 : */
636 98 : if (inputLen >= partLen) {
637 58 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
638 58 : SHA256Transform(context->state, context->buffer);
639 :
640 15818 : for (i = partLen; i + 63 < inputLen; i += 64) {
641 15760 : SHA256Transform(context->state, &input[i]);
642 : }
643 :
644 58 : index = 0;
645 : } else {
646 40 : i = 0;
647 : }
648 :
649 : /* Buffer remaining input */
650 98 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
651 98 : }
652 : /* }}} */
653 :
654 : /* {{{ PHP_SHA256Final
655 : SHA256 finalization. Ends an SHA256 message-digest operation, writing the
656 : the message digest and zeroizing the context.
657 : */
658 : PHP_HASH_API void PHP_SHA256Final(unsigned char digest[32], PHP_SHA256_CTX * context)
659 28 : {
660 : unsigned char bits[8];
661 : unsigned int index, padLen;
662 :
663 : /* Save number of bits */
664 28 : bits[7] = (unsigned char) (context->count[0] & 0xFF);
665 28 : bits[6] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
666 28 : bits[5] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
667 28 : bits[4] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
668 28 : bits[3] = (unsigned char) (context->count[1] & 0xFF);
669 28 : bits[2] = (unsigned char) ((context->count[1] >> 8) & 0xFF);
670 28 : bits[1] = (unsigned char) ((context->count[1] >> 16) & 0xFF);
671 28 : bits[0] = (unsigned char) ((context->count[1] >> 24) & 0xFF);
672 :
673 : /* Pad out to 56 mod 64.
674 : */
675 28 : index = (unsigned int) ((context->count[0] >> 3) & 0x3f);
676 28 : padLen = (index < 56) ? (56 - index) : (120 - index);
677 28 : PHP_SHA256Update(context, PADDING, padLen);
678 :
679 : /* Append length (before padding) */
680 28 : PHP_SHA256Update(context, bits, 8);
681 :
682 : /* Store state in digest */
683 28 : SHAEncode32(digest, context->state, 32);
684 :
685 : /* Zeroize sensitive information.
686 : */
687 28 : memset((unsigned char*) context, 0, sizeof(*context));
688 28 : }
689 : /* }}} */
690 :
691 : /* sha384/sha512 */
692 :
693 : /* Ch */
694 : #define SHA512_F0(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
695 : /* Maj */
696 : #define SHA512_F1(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
697 : /* SUM0 */
698 : #define SHA512_F2(x) (ROTR64(28, x) ^ ROTR64(34, x) ^ ROTR64(39, x))
699 : /* SUM1 */
700 : #define SHA512_F3(x) (ROTR64(14, x) ^ ROTR64(18, x) ^ ROTR64(41, x))
701 : /* OM0 */
702 : #define SHA512_F4(x) (ROTR64( 1, x) ^ ROTR64( 8, x) ^ SHR(7, x))
703 : /* OM1 */
704 : #define SHA512_F5(x) (ROTR64(19, x) ^ ROTR64(61, x) ^ SHR(6, x))
705 :
706 : static const php_hash_uint64 SHA512_K[128] = {
707 : L64(0x428a2f98d728ae22), L64(0x7137449123ef65cd), L64(0xb5c0fbcfec4d3b2f), L64(0xe9b5dba58189dbbc),
708 : L64(0x3956c25bf348b538), L64(0x59f111f1b605d019), L64(0x923f82a4af194f9b), L64(0xab1c5ed5da6d8118),
709 : L64(0xd807aa98a3030242), L64(0x12835b0145706fbe), L64(0x243185be4ee4b28c), L64(0x550c7dc3d5ffb4e2),
710 : L64(0x72be5d74f27b896f), L64(0x80deb1fe3b1696b1), L64(0x9bdc06a725c71235), L64(0xc19bf174cf692694),
711 : L64(0xe49b69c19ef14ad2), L64(0xefbe4786384f25e3), L64(0x0fc19dc68b8cd5b5), L64(0x240ca1cc77ac9c65),
712 : L64(0x2de92c6f592b0275), L64(0x4a7484aa6ea6e483), L64(0x5cb0a9dcbd41fbd4), L64(0x76f988da831153b5),
713 : L64(0x983e5152ee66dfab), L64(0xa831c66d2db43210), L64(0xb00327c898fb213f), L64(0xbf597fc7beef0ee4),
714 : L64(0xc6e00bf33da88fc2), L64(0xd5a79147930aa725), L64(0x06ca6351e003826f), L64(0x142929670a0e6e70),
715 : L64(0x27b70a8546d22ffc), L64(0x2e1b21385c26c926), L64(0x4d2c6dfc5ac42aed), L64(0x53380d139d95b3df),
716 : L64(0x650a73548baf63de), L64(0x766a0abb3c77b2a8), L64(0x81c2c92e47edaee6), L64(0x92722c851482353b),
717 : L64(0xa2bfe8a14cf10364), L64(0xa81a664bbc423001), L64(0xc24b8b70d0f89791), L64(0xc76c51a30654be30),
718 : L64(0xd192e819d6ef5218), L64(0xd69906245565a910), L64(0xf40e35855771202a), L64(0x106aa07032bbd1b8),
719 : L64(0x19a4c116b8d2d0c8), L64(0x1e376c085141ab53), L64(0x2748774cdf8eeb99), L64(0x34b0bcb5e19b48a8),
720 : L64(0x391c0cb3c5c95a63), L64(0x4ed8aa4ae3418acb), L64(0x5b9cca4f7763e373), L64(0x682e6ff3d6b2b8a3),
721 : L64(0x748f82ee5defb2fc), L64(0x78a5636f43172f60), L64(0x84c87814a1f0ab72), L64(0x8cc702081a6439ec),
722 : L64(0x90befffa23631e28), L64(0xa4506cebde82bde9), L64(0xbef9a3f7b2c67915), L64(0xc67178f2e372532b),
723 : L64(0xca273eceea26619c), L64(0xd186b8c721c0c207), L64(0xeada7dd6cde0eb1e), L64(0xf57d4f7fee6ed178),
724 : L64(0x06f067aa72176fba), L64(0x0a637dc5a2c898a6), L64(0x113f9804bef90dae), L64(0x1b710b35131c471b),
725 : L64(0x28db77f523047d84), L64(0x32caab7b40c72493), L64(0x3c9ebe0a15c9bebc), L64(0x431d67c49c100d4c),
726 : L64(0x4cc5d4becb3e42b6), L64(0x597f299cfc657e2a), L64(0x5fcb6fab3ad6faec), L64(0x6c44198c4a475817) };
727 :
728 : /* {{{ SHAEncode64
729 : Encodes input (php_hash_uint64) into output (unsigned char). Assumes len is
730 : a multiple of 8.
731 : */
732 : static void SHAEncode64(unsigned char *output, php_hash_uint64 *input, unsigned int len)
733 38 : {
734 : unsigned int i, j;
735 :
736 312 : for (i = 0, j = 0; j < len; i++, j += 8) {
737 274 : output[j] = (unsigned char) ((input[i] >> 56) & 0xff);
738 274 : output[j + 1] = (unsigned char) ((input[i] >> 48) & 0xff);
739 274 : output[j + 2] = (unsigned char) ((input[i] >> 40) & 0xff);
740 274 : output[j + 3] = (unsigned char) ((input[i] >> 32) & 0xff);
741 274 : output[j + 4] = (unsigned char) ((input[i] >> 24) & 0xff);
742 274 : output[j + 5] = (unsigned char) ((input[i] >> 16) & 0xff);
743 274 : output[j + 6] = (unsigned char) ((input[i] >> 8) & 0xff);
744 274 : output[j + 7] = (unsigned char) (input[i] & 0xff);
745 : }
746 38 : }
747 : /* }}} */
748 :
749 :
750 : /* {{{ SHADecode64
751 : Decodes input (unsigned char) into output (php_hash_uint64). Assumes len is
752 : a multiple of 8.
753 : */
754 : static void SHADecode64(php_hash_uint64 *output, const unsigned char *input, unsigned int len)
755 15744 : {
756 : unsigned int i, j;
757 :
758 267648 : for (i = 0, j = 0; j < len; i++, j += 8)
759 251904 : output[i] =
760 : ((php_hash_uint64) input[j + 7]) | (((php_hash_uint64) input[j + 6]) << 8) |
761 : (((php_hash_uint64) input[j + 5]) << 16) | (((php_hash_uint64) input[j + 4]) << 24) |
762 : (((php_hash_uint64) input[j + 3]) << 32) | (((php_hash_uint64) input[j + 2]) << 40) |
763 : (((php_hash_uint64) input[j + 1]) << 48) | (((php_hash_uint64) input[j]) << 56);
764 15744 : }
765 : /* }}} */
766 :
767 : /* {{{ PHP_SHA384Init
768 : * SHA384 initialization. Begins an SHA384 operation, writing a new context.
769 : */
770 : PHP_HASH_API void PHP_SHA384Init(PHP_SHA384_CTX * context)
771 15 : {
772 15 : context->count[0] = context->count[1] = 0;
773 : /* Load magic initialization constants.
774 : */
775 15 : context->state[0] = L64(0xcbbb9d5dc1059ed8);
776 15 : context->state[1] = L64(0x629a292a367cd507);
777 15 : context->state[2] = L64(0x9159015a3070dd17);
778 15 : context->state[3] = L64(0x152fecd8f70e5939);
779 15 : context->state[4] = L64(0x67332667ffc00b31);
780 15 : context->state[5] = L64(0x8eb44a8768581511);
781 15 : context->state[6] = L64(0xdb0c2e0d64f98fa7);
782 15 : context->state[7] = L64(0x47b5481dbefa4fa4);
783 15 : }
784 : /* }}} */
785 :
786 : /* {{{ SHA512Transform
787 : * SHA512 basic transformation. Transforms state based on block.
788 : * SHA384 uses the exact same algorithm
789 : */
790 : static void SHA512Transform(php_hash_uint64 state[8], const unsigned char block[128])
791 15744 : {
792 15744 : php_hash_uint64 a = state[0], b = state[1], c = state[2], d = state[3];
793 15744 : php_hash_uint64 e = state[4], f = state[5], g = state[6], h = state[7];
794 : php_hash_uint64 x[16], T1, T2, W[80];
795 : int i;
796 :
797 15744 : SHADecode64(x, block, 128);
798 :
799 : /* Schedule */
800 267648 : for(i = 0; i < 16; i++) {
801 251904 : W[i] = x[i];
802 : }
803 1023360 : for(i = 16; i < 80; i++) {
804 1007616 : W[i] = SHA512_F5(W[i-2]) + W[i-7] + SHA512_F4(W[i-15]) + W[i-16];
805 : }
806 :
807 1275264 : for (i = 0; i < 80; i++) {
808 1259520 : T1 = h + SHA512_F3(e) + SHA512_F0(e,f,g) + SHA512_K[i] + W[i];
809 1259520 : T2 = SHA512_F2(a) + SHA512_F1(a,b,c);
810 1259520 : h = g; g = f; f = e; e = d + T1;
811 1259520 : d = c; c = b; b = a; a = T1 + T2;
812 : }
813 :
814 15744 : state[0] += a;
815 15744 : state[1] += b;
816 15744 : state[2] += c;
817 15744 : state[3] += d;
818 15744 : state[4] += e;
819 15744 : state[5] += f;
820 15744 : state[6] += g;
821 15744 : state[7] += h;
822 :
823 : /* Zeroize sensitive information. */
824 15744 : memset((unsigned char*) x, 0, sizeof(x));
825 15744 : }
826 : /* }}} */
827 :
828 : /* {{{ PHP_SHA384Update
829 : SHA384 block update operation. Continues an SHA384 message-digest
830 : operation, processing another message block, and updating the
831 : context.
832 : */
833 : PHP_HASH_API void PHP_SHA384Update(PHP_SHA384_CTX * context, const unsigned char *input, unsigned int inputLen)
834 48 : {
835 : unsigned int i, index, partLen;
836 :
837 : /* Compute number of bytes mod 128 */
838 48 : index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
839 :
840 : /* Update number of bits */
841 48 : if ((context->count[0] += ((php_hash_uint64) inputLen << 3)) < ((php_hash_uint64) inputLen << 3)) {
842 0 : context->count[1]++;
843 : }
844 48 : context->count[1] += ((php_hash_uint64) inputLen >> 61);
845 :
846 48 : partLen = 128 - index;
847 :
848 : /* Transform as many times as possible.
849 : */
850 48 : if (inputLen >= partLen) {
851 21 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
852 21 : SHA512Transform(context->state, context->buffer);
853 :
854 7832 : for (i = partLen; i + 127 < inputLen; i += 128) {
855 7811 : SHA512Transform(context->state, &input[i]);
856 : }
857 :
858 21 : index = 0;
859 : } else {
860 27 : i = 0;
861 : }
862 :
863 : /* Buffer remaining input */
864 48 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
865 48 : }
866 : /* }}} */
867 :
868 : /* {{{ PHP_SHA384Final
869 : SHA384 finalization. Ends an SHA384 message-digest operation, writing the
870 : the message digest and zeroizing the context.
871 : */
872 : PHP_HASH_API void PHP_SHA384Final(unsigned char digest[48], PHP_SHA384_CTX * context)
873 15 : {
874 : unsigned char bits[16];
875 : unsigned int index, padLen;
876 :
877 : /* Save number of bits */
878 15 : bits[15] = (unsigned char) (context->count[0] & 0xFF);
879 15 : bits[14] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
880 15 : bits[13] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
881 15 : bits[12] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
882 15 : bits[11] = (unsigned char) ((context->count[0] >> 32) & 0xFF);
883 15 : bits[10] = (unsigned char) ((context->count[0] >> 40) & 0xFF);
884 15 : bits[9] = (unsigned char) ((context->count[0] >> 48) & 0xFF);
885 15 : bits[8] = (unsigned char) ((context->count[0] >> 56) & 0xFF);
886 15 : bits[7] = (unsigned char) (context->count[1] & 0xFF);
887 15 : bits[6] = (unsigned char) ((context->count[1] >> 8) & 0xFF);
888 15 : bits[5] = (unsigned char) ((context->count[1] >> 16) & 0xFF);
889 15 : bits[4] = (unsigned char) ((context->count[1] >> 24) & 0xFF);
890 15 : bits[3] = (unsigned char) ((context->count[1] >> 32) & 0xFF);
891 15 : bits[2] = (unsigned char) ((context->count[1] >> 40) & 0xFF);
892 15 : bits[1] = (unsigned char) ((context->count[1] >> 48) & 0xFF);
893 15 : bits[0] = (unsigned char) ((context->count[1] >> 56) & 0xFF);
894 :
895 : /* Pad out to 112 mod 128.
896 : */
897 15 : index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
898 15 : padLen = (index < 112) ? (112 - index) : (240 - index);
899 15 : PHP_SHA384Update(context, PADDING, padLen);
900 :
901 : /* Append length (before padding) */
902 15 : PHP_SHA384Update(context, bits, 16);
903 :
904 : /* Store state in digest */
905 15 : SHAEncode64(digest, context->state, 48);
906 :
907 : /* Zeroize sensitive information.
908 : */
909 15 : memset((unsigned char*) context, 0, sizeof(*context));
910 15 : }
911 : /* }}} */
912 :
913 : const php_hash_ops php_hash_sha384_ops = {
914 : (php_hash_init_func_t) PHP_SHA384Init,
915 : (php_hash_update_func_t) PHP_SHA384Update,
916 : (php_hash_final_func_t) PHP_SHA384Final,
917 : (php_hash_copy_func_t) php_hash_copy,
918 : 48,
919 : 128,
920 : sizeof(PHP_SHA384_CTX)
921 : };
922 :
923 : /* {{{ PHP_SHA512Init
924 : * SHA512 initialization. Begins an SHA512 operation, writing a new context.
925 : */
926 : PHP_HASH_API void PHP_SHA512Init(PHP_SHA512_CTX * context)
927 23 : {
928 23 : context->count[0] = context->count[1] = 0;
929 : /* Load magic initialization constants.
930 : */
931 23 : context->state[0] = L64(0x6a09e667f3bcc908);
932 23 : context->state[1] = L64(0xbb67ae8584caa73b);
933 23 : context->state[2] = L64(0x3c6ef372fe94f82b);
934 23 : context->state[3] = L64(0xa54ff53a5f1d36f1);
935 23 : context->state[4] = L64(0x510e527fade682d1);
936 23 : context->state[5] = L64(0x9b05688c2b3e6c1f);
937 23 : context->state[6] = L64(0x1f83d9abfb41bd6b);
938 23 : context->state[7] = L64(0x5be0cd19137e2179);
939 23 : }
940 : /* }}} */
941 :
942 : /* {{{ PHP_SHA512Update
943 : SHA512 block update operation. Continues an SHA512 message-digest
944 : operation, processing another message block, and updating the
945 : context.
946 : */
947 : PHP_HASH_API void PHP_SHA512Update(PHP_SHA512_CTX * context, const unsigned char *input, unsigned int inputLen)
948 79 : {
949 : unsigned int i, index, partLen;
950 :
951 : /* Compute number of bytes mod 128 */
952 79 : index = (unsigned int) ((context->count[0] >> 3) & 0x7F);
953 :
954 : /* Update number of bits */
955 79 : if ((context->count[0] += ((php_hash_uint64) inputLen << 3)) < ((php_hash_uint64) inputLen << 3)) {
956 0 : context->count[1]++;
957 : }
958 79 : context->count[1] += ((php_hash_uint64) inputLen >> 61);
959 :
960 79 : partLen = 128 - index;
961 :
962 : /* Transform as many times as possible.
963 : */
964 79 : if (inputLen >= partLen) {
965 40 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) input, partLen);
966 40 : SHA512Transform(context->state, context->buffer);
967 :
968 7912 : for (i = partLen; i + 127 < inputLen; i += 128) {
969 7872 : SHA512Transform(context->state, &input[i]);
970 : }
971 :
972 40 : index = 0;
973 : } else {
974 39 : i = 0;
975 : }
976 :
977 : /* Buffer remaining input */
978 79 : memcpy((unsigned char*) & context->buffer[index], (unsigned char*) & input[i], inputLen - i);
979 79 : }
980 : /* }}} */
981 :
982 : /* {{{ PHP_SHA512Final
983 : SHA512 finalization. Ends an SHA512 message-digest operation, writing the
984 : the message digest and zeroizing the context.
985 : */
986 : PHP_HASH_API void PHP_SHA512Final(unsigned char digest[64], PHP_SHA512_CTX * context)
987 23 : {
988 : unsigned char bits[16];
989 : unsigned int index, padLen;
990 :
991 : /* Save number of bits */
992 23 : bits[15] = (unsigned char) (context->count[0] & 0xFF);
993 23 : bits[14] = (unsigned char) ((context->count[0] >> 8) & 0xFF);
994 23 : bits[13] = (unsigned char) ((context->count[0] >> 16) & 0xFF);
995 23 : bits[12] = (unsigned char) ((context->count[0] >> 24) & 0xFF);
996 23 : bits[11] = (unsigned char) ((context->count[0] >> 32) & 0xFF);
997 23 : bits[10] = (unsigned char) ((context->count[0] >> 40) & 0xFF);
998 23 : bits[9] = (unsigned char) ((context->count[0] >> 48) & 0xFF);
999 23 : bits[8] = (unsigned char) ((context->count[0] >> 56) & 0xFF);
1000 23 : bits[7] = (unsigned char) (context->count[1] & 0xFF);
1001 23 : bits[6] = (unsigned char) ((context->count[1] >> 8) & 0xFF);
1002 23 : bits[5] = (unsigned char) ((context->count[1] >> 16) & 0xFF);
1003 23 : bits[4] = (unsigned char) ((context->count[1] >> 24) & 0xFF);
1004 23 : bits[3] = (unsigned char) ((context->count[1] >> 32) & 0xFF);
1005 23 : bits[2] = (unsigned char) ((context->count[1] >> 40) & 0xFF);
1006 23 : bits[1] = (unsigned char) ((context->count[1] >> 48) & 0xFF);
1007 23 : bits[0] = (unsigned char) ((context->count[1] >> 56) & 0xFF);
1008 :
1009 : /* Pad out to 112 mod 128.
1010 : */
1011 23 : index = (unsigned int) ((context->count[0] >> 3) & 0x7f);
1012 23 : padLen = (index < 112) ? (112 - index) : (240 - index);
1013 23 : PHP_SHA512Update(context, PADDING, padLen);
1014 :
1015 : /* Append length (before padding) */
1016 23 : PHP_SHA512Update(context, bits, 16);
1017 :
1018 : /* Store state in digest */
1019 23 : SHAEncode64(digest, context->state, 64);
1020 :
1021 : /* Zeroize sensitive information.
1022 : */
1023 23 : memset((unsigned char*) context, 0, sizeof(*context));
1024 23 : }
1025 : /* }}} */
1026 :
1027 : const php_hash_ops php_hash_sha512_ops = {
1028 : (php_hash_init_func_t) PHP_SHA512Init,
1029 : (php_hash_update_func_t) PHP_SHA512Update,
1030 : (php_hash_final_func_t) PHP_SHA512Final,
1031 : (php_hash_copy_func_t) php_hash_copy,
1032 : 64,
1033 : 128,
1034 : sizeof(PHP_SHA512_CTX)
1035 : };
1036 :
1037 : /*
1038 : * Local variables:
1039 : * tab-width: 4
1040 : * c-basic-offset: 4
1041 : * End:
1042 : * vim600: sw=4 ts=4 fdm=marker
1043 : * vim<600: sw=4 ts=4
1044 : */
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