1/*
2  +----------------------------------------------------------------------+
3  | PHP Version 7                                                        |
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  |         Scott MacVicar <scottmac@php.net>                            |
17  +----------------------------------------------------------------------+
18*/
19
20/* $Id$ */
21
22#ifdef HAVE_CONFIG_H
23#include "config.h"
24#endif
25
26#include <math.h>
27#include "php_hash.h"
28#include "ext/standard/info.h"
29#include "ext/standard/file.h"
30
31static int php_hash_le_hash;
32HashTable php_hash_hashtable;
33
34#if (PHP_MAJOR_VERSION >= 5)
35# define DEFAULT_CONTEXT FG(default_context)
36#else
37# define DEFAULT_CONTEXT NULL
38#endif
39
40#ifdef PHP_MHASH_BC
41struct mhash_bc_entry {
42    char *mhash_name;
43    char *hash_name;
44    int value;
45};
46
47#define MHASH_NUM_ALGOS 34
48
49static struct mhash_bc_entry mhash_to_hash[MHASH_NUM_ALGOS] = {
50    {"CRC32", "crc32", 0},
51    {"MD5", "md5", 1},
52    {"SHA1", "sha1", 2},
53    {"HAVAL256", "haval256,3", 3},
54    {NULL, NULL, 4},
55    {"RIPEMD160", "ripemd160", 5},
56    {NULL, NULL, 6},
57    {"TIGER", "tiger192,3", 7},
58    {"GOST", "gost", 8},
59    {"CRC32B", "crc32b", 9},
60    {"HAVAL224", "haval224,3", 10},
61    {"HAVAL192", "haval192,3", 11},
62    {"HAVAL160", "haval160,3", 12},
63    {"HAVAL128", "haval128,3", 13},
64    {"TIGER128", "tiger128,3", 14},
65    {"TIGER160", "tiger160,3", 15},
66    {"MD4", "md4", 16},
67    {"SHA256", "sha256", 17},
68    {"ADLER32", "adler32", 18},
69    {"SHA224", "sha224", 19},
70    {"SHA512", "sha512", 20},
71    {"SHA384", "sha384", 21},
72    {"WHIRLPOOL", "whirlpool", 22},
73    {"RIPEMD128", "ripemd128", 23},
74    {"RIPEMD256", "ripemd256", 24},
75    {"RIPEMD320", "ripemd320", 25},
76    {NULL, NULL, 26}, /* support needs to be added for snefru 128 */
77    {"SNEFRU256", "snefru256", 27},
78    {"MD2", "md2", 28},
79    {"FNV132", "fnv132", 29},
80    {"FNV1A32", "fnv1a32", 30},
81    {"FNV164", "fnv164", 31},
82    {"FNV1A64", "fnv1a64", 32},
83    {"JOAAT", "joaat", 33},
84};
85#endif
86
87/* Hash Registry Access */
88
89PHP_HASH_API const php_hash_ops *php_hash_fetch_ops(const char *algo, size_t algo_len) /* {{{ */
90{
91    char *lower = zend_str_tolower_dup(algo, algo_len);
92    php_hash_ops *ops = zend_hash_str_find_ptr(&php_hash_hashtable, lower, algo_len);
93    efree(lower);
94
95    return ops;
96}
97/* }}} */
98
99PHP_HASH_API void php_hash_register_algo(const char *algo, const php_hash_ops *ops) /* {{{ */
100{
101    int algo_len = strlen(algo);
102    char *lower = zend_str_tolower_dup(algo, algo_len);
103    zend_hash_str_add_ptr(&php_hash_hashtable, lower, algo_len, (void *) ops);
104    efree(lower);
105}
106/* }}} */
107
108PHP_HASH_API int php_hash_copy(const void *ops, void *orig_context, void *dest_context) /* {{{ */
109{
110    php_hash_ops *hash_ops = (php_hash_ops *)ops;
111
112    memcpy(dest_context, orig_context, hash_ops->context_size);
113    return SUCCESS;
114}
115/* }}} */
116
117/* Userspace */
118
119static void php_hash_do_hash(INTERNAL_FUNCTION_PARAMETERS, int isfilename, zend_bool raw_output_default) /* {{{ */
120{
121    zend_string *digest;
122    char *algo, *data;
123    size_t algo_len, data_len;
124    zend_bool raw_output = raw_output_default;
125    const php_hash_ops *ops;
126    void *context;
127    php_stream *stream = NULL;
128
129    if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss|b", &algo, &algo_len, &data, &data_len, &raw_output) == FAILURE) {
130        return;
131    }
132
133    ops = php_hash_fetch_ops(algo, algo_len);
134    if (!ops) {
135        php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
136        RETURN_FALSE;
137    }
138    if (isfilename) {
139        if (CHECK_NULL_PATH(data, data_len)) {
140            RETURN_FALSE;
141        }
142        stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, DEFAULT_CONTEXT);
143        if (!stream) {
144            /* Stream will report errors opening file */
145            RETURN_FALSE;
146        }
147    }
148
149    context = emalloc(ops->context_size);
150    ops->hash_init(context);
151
152    if (isfilename) {
153        char buf[1024];
154        int n;
155
156        while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
157            ops->hash_update(context, (unsigned char *) buf, n);
158        }
159        php_stream_close(stream);
160    } else {
161        ops->hash_update(context, (unsigned char *) data, data_len);
162    }
163
164    digest = zend_string_alloc(ops->digest_size, 0);
165    ops->hash_final((unsigned char *) digest->val, context);
166    efree(context);
167
168    if (raw_output) {
169        digest->val[ops->digest_size] = 0;
170        RETURN_STR(digest);
171    } else {
172        zend_string *hex_digest = zend_string_safe_alloc(ops->digest_size, 2, 0, 0);
173
174        php_hash_bin2hex(hex_digest->val, (unsigned char *) digest->val, ops->digest_size);
175        hex_digest->val[2 * ops->digest_size] = 0;
176        zend_string_release(digest);
177        RETURN_STR(hex_digest);
178    }
179}
180/* }}} */
181
182/* {{{ proto string hash(string algo, string data[, bool raw_output = false])
183Generate a hash of a given input string
184Returns lowercase hexits by default */
185PHP_FUNCTION(hash)
186{
187    php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
188}
189/* }}} */
190
191/* {{{ proto string hash_file(string algo, string filename[, bool raw_output = false])
192Generate a hash of a given file
193Returns lowercase hexits by default */
194PHP_FUNCTION(hash_file)
195{
196    php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
197}
198/* }}} */
199
200static inline void php_hash_string_xor_char(unsigned char *out, const unsigned char *in, const unsigned char xor_with, const int length) {
201    int i;
202    for (i=0; i < length; i++) {
203        out[i] = in[i] ^ xor_with;
204    }
205}
206
207static inline void php_hash_string_xor(unsigned char *out, const unsigned char *in, const unsigned char *xor_with, const int length) {
208    int i;
209    for (i=0; i < length; i++) {
210        out[i] = in[i] ^ xor_with[i];
211    }
212}
213
214static inline void php_hash_hmac_prep_key(unsigned char *K, const php_hash_ops *ops, void *context, const unsigned char *key, const size_t key_len) {
215    memset(K, 0, ops->block_size);
216    if (key_len > ops->block_size) {
217        /* Reduce the key first */
218        ops->hash_init(context);
219        ops->hash_update(context, key, key_len);
220        ops->hash_final(K, context);
221    } else {
222        memcpy(K, key, key_len);
223    }
224    /* XOR the key with 0x36 to get the ipad) */
225    php_hash_string_xor_char(K, K, 0x36, ops->block_size);
226}
227
228static inline void php_hash_hmac_round(unsigned char *final, const php_hash_ops *ops, void *context, const unsigned char *key, const unsigned char *data, const zend_long data_size) {
229    ops->hash_init(context);
230    ops->hash_update(context, key, ops->block_size);
231    ops->hash_update(context, data, data_size);
232    ops->hash_final(final, context);
233}
234
235static void php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAMETERS, int isfilename, zend_bool raw_output_default) /* {{{ */
236{
237    zend_string *digest;
238    char *algo, *data, *key;
239    unsigned char *K;
240    size_t algo_len, data_len, key_len;
241    zend_bool raw_output = raw_output_default;
242    const php_hash_ops *ops;
243    void *context;
244    php_stream *stream = NULL;
245
246    if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss|b", &algo, &algo_len, &data, &data_len,
247                                                                  &key, &key_len, &raw_output) == FAILURE) {
248        return;
249    }
250
251    ops = php_hash_fetch_ops(algo, algo_len);
252    if (!ops) {
253        php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
254        RETURN_FALSE;
255    }
256    if (isfilename) {
257        stream = php_stream_open_wrapper_ex(data, "rb", REPORT_ERRORS, NULL, DEFAULT_CONTEXT);
258        if (!stream) {
259            /* Stream will report errors opening file */
260            RETURN_FALSE;
261        }
262    }
263
264    context = emalloc(ops->context_size);
265
266    K = emalloc(ops->block_size);
267    digest = zend_string_alloc(ops->digest_size, 0);
268
269    php_hash_hmac_prep_key(K, ops, context, (unsigned char *) key, key_len);
270
271    if (isfilename) {
272        char buf[1024];
273        int n;
274        ops->hash_init(context);
275        ops->hash_update(context, K, ops->block_size);
276        while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
277            ops->hash_update(context, (unsigned char *) buf, n);
278        }
279        php_stream_close(stream);
280        ops->hash_final((unsigned char *) digest->val, context);
281    } else {
282        php_hash_hmac_round((unsigned char *) digest->val, ops, context, K, (unsigned char *) data, data_len);
283    }
284
285    php_hash_string_xor_char(K, K, 0x6A, ops->block_size);
286
287    php_hash_hmac_round((unsigned char *) digest->val, ops, context, K, (unsigned char *) digest->val, ops->digest_size);
288
289    /* Zero the key */
290    ZEND_SECURE_ZERO(K, ops->block_size);
291    efree(K);
292    efree(context);
293
294    if (raw_output) {
295        digest->val[ops->digest_size] = 0;
296        RETURN_STR(digest);
297    } else {
298        zend_string *hex_digest = zend_string_safe_alloc(ops->digest_size, 2, 0, 0);
299
300        php_hash_bin2hex(hex_digest->val, (unsigned char *) digest->val, ops->digest_size);
301        hex_digest->val[2 * ops->digest_size] = 0;
302        zend_string_release(digest);
303        RETURN_STR(hex_digest);
304    }
305}
306/* }}} */
307
308/* {{{ proto string hash_hmac(string algo, string data, string key[, bool raw_output = false])
309Generate a hash of a given input string with a key using HMAC
310Returns lowercase hexits by default */
311PHP_FUNCTION(hash_hmac)
312{
313    php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 0);
314}
315/* }}} */
316
317/* {{{ proto string hash_hmac_file(string algo, string filename, string key[, bool raw_output = false])
318Generate a hash of a given file with a key using HMAC
319Returns lowercase hexits by default */
320PHP_FUNCTION(hash_hmac_file)
321{
322    php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1, 0);
323}
324/* }}} */
325
326
327/* {{{ proto resource hash_init(string algo[, int options, string key])
328Initialize a hashing context */
329PHP_FUNCTION(hash_init)
330{
331    char *algo, *key = NULL;
332    size_t algo_len, key_len = 0;
333    int argc = ZEND_NUM_ARGS();
334    zend_long options = 0;
335    void *context;
336    const php_hash_ops *ops;
337    php_hash_data *hash;
338
339    if (zend_parse_parameters(argc, "s|ls", &algo, &algo_len, &options, &key, &key_len) == FAILURE) {
340        return;
341    }
342
343    ops = php_hash_fetch_ops(algo, algo_len);
344    if (!ops) {
345        php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
346        RETURN_FALSE;
347    }
348
349    if (options & PHP_HASH_HMAC &&
350        key_len <= 0) {
351        /* Note: a zero length key is no key at all */
352        php_error_docref(NULL, E_WARNING, "HMAC requested without a key");
353        RETURN_FALSE;
354    }
355
356    context = emalloc(ops->context_size);
357    ops->hash_init(context);
358
359    hash = emalloc(sizeof(php_hash_data));
360    hash->ops = ops;
361    hash->context = context;
362    hash->options = options;
363    hash->key = NULL;
364
365    if (options & PHP_HASH_HMAC) {
366        char *K = emalloc(ops->block_size);
367        int i;
368
369        memset(K, 0, ops->block_size);
370
371        if (key_len > ops->block_size) {
372            /* Reduce the key first */
373            ops->hash_update(context, (unsigned char *) key, key_len);
374            ops->hash_final((unsigned char *) K, context);
375            /* Make the context ready to start over */
376            ops->hash_init(context);
377        } else {
378            memcpy(K, key, key_len);
379        }
380
381        /* XOR ipad */
382        for(i=0; i < ops->block_size; i++) {
383            K[i] ^= 0x36;
384        }
385        ops->hash_update(context, (unsigned char *) K, ops->block_size);
386        hash->key = (unsigned char *) K;
387    }
388
389    ZEND_REGISTER_RESOURCE(return_value, hash, php_hash_le_hash);
390}
391/* }}} */
392
393/* {{{ proto bool hash_update(resource context, string data)
394Pump data into the hashing algorithm */
395PHP_FUNCTION(hash_update)
396{
397    zval *zhash;
398    php_hash_data *hash;
399    char *data;
400    size_t data_len;
401
402    if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &zhash, &data, &data_len) == FAILURE) {
403        return;
404    }
405
406    ZEND_FETCH_RESOURCE(hash, php_hash_data*, zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
407
408    hash->ops->hash_update(hash->context, (unsigned char *) data, data_len);
409
410    RETURN_TRUE;
411}
412/* }}} */
413
414/* {{{ proto int hash_update_stream(resource context, resource handle[, integer length])
415Pump data into the hashing algorithm from an open stream */
416PHP_FUNCTION(hash_update_stream)
417{
418    zval *zhash, *zstream;
419    php_hash_data *hash;
420    php_stream *stream = NULL;
421    zend_long length = -1, didread = 0;
422
423    if (zend_parse_parameters(ZEND_NUM_ARGS(), "rr|l", &zhash, &zstream, &length) == FAILURE) {
424        return;
425    }
426
427    ZEND_FETCH_RESOURCE(hash, php_hash_data*, zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
428    php_stream_from_zval(stream, zstream);
429
430    while (length) {
431        char buf[1024];
432        zend_long n, toread = 1024;
433
434        if (length > 0 && toread > length) {
435            toread = length;
436        }
437
438        if ((n = php_stream_read(stream, buf, toread)) <= 0) {
439            /* Nada mas */
440            RETURN_LONG(didread);
441        }
442        hash->ops->hash_update(hash->context, (unsigned char *) buf, n);
443        length -= n;
444        didread += n;
445    }
446
447    RETURN_LONG(didread);
448}
449/* }}} */
450
451/* {{{ proto bool hash_update_file(resource context, string filename[, resource context])
452Pump data into the hashing algorithm from a file */
453PHP_FUNCTION(hash_update_file)
454{
455    zval *zhash, *zcontext = NULL;
456    php_hash_data *hash;
457    php_stream_context *context;
458    php_stream *stream;
459    char *filename, buf[1024];
460    size_t filename_len, n;
461
462    if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs|r", &zhash, &filename, &filename_len, &zcontext) == FAILURE) {
463        return;
464    }
465
466    ZEND_FETCH_RESOURCE(hash, php_hash_data*, zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
467    context = php_stream_context_from_zval(zcontext, 0);
468
469    stream = php_stream_open_wrapper_ex(filename, "rb", REPORT_ERRORS, NULL, context);
470    if (!stream) {
471        /* Stream will report errors opening file */
472        RETURN_FALSE;
473    }
474
475    while ((n = php_stream_read(stream, buf, sizeof(buf))) > 0) {
476        hash->ops->hash_update(hash->context, (unsigned char *) buf, n);
477    }
478    php_stream_close(stream);
479
480    RETURN_TRUE;
481}
482/* }}} */
483
484/* {{{ proto string hash_final(resource context[, bool raw_output=false])
485Output resulting digest */
486PHP_FUNCTION(hash_final)
487{
488    zval *zhash;
489    php_hash_data *hash;
490    zend_bool raw_output = 0;
491    zend_string *digest;
492    int digest_len;
493
494    if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|b", &zhash, &raw_output) == FAILURE) {
495        return;
496    }
497
498    ZEND_FETCH_RESOURCE(hash, php_hash_data*, zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
499
500    digest_len = hash->ops->digest_size;
501    digest = zend_string_alloc(digest_len, 0);
502    hash->ops->hash_final((unsigned char *) digest->val, hash->context);
503    if (hash->options & PHP_HASH_HMAC) {
504        int i;
505
506        /* Convert K to opad -- 0x6A = 0x36 ^ 0x5C */
507        for(i=0; i < hash->ops->block_size; i++) {
508            hash->key[i] ^= 0x6A;
509        }
510
511        /* Feed this result into the outter hash */
512        hash->ops->hash_init(hash->context);
513        hash->ops->hash_update(hash->context, hash->key, hash->ops->block_size);
514        hash->ops->hash_update(hash->context, (unsigned char *) digest->val, hash->ops->digest_size);
515        hash->ops->hash_final((unsigned char *) digest->val, hash->context);
516
517        /* Zero the key */
518        ZEND_SECURE_ZERO(hash->key, hash->ops->block_size);
519        efree(hash->key);
520        hash->key = NULL;
521    }
522    digest->val[digest_len] = 0;
523    efree(hash->context);
524    hash->context = NULL;
525
526    //???
527    //??? /* zend_list_REAL_delete() */
528    //??? if (zend_hash_index_find(&EG(regular_list), Z_RESVAL_P(zhash), (void *) &le)==SUCCESS) {
529    //???   /* This is a hack to avoid letting the resource hide elsewhere (like in separated vars)
530    //???       FETCH_RESOURCE is intelligent enough to handle dealing with any issues this causes */
531    //???   le->refcount = 1;
532    //??? } /* FAILURE is not an option */
533    zend_list_close(Z_RES_P(zhash));
534
535    if (raw_output) {
536        RETURN_STR(digest);
537    } else {
538        zend_string *hex_digest = zend_string_safe_alloc(digest_len, 2, 0, 0);
539
540        php_hash_bin2hex(hex_digest->val, (unsigned char *) digest->val, digest_len);
541        hex_digest->val[2 * digest_len] = 0;
542        zend_string_release(digest);
543        RETURN_STR(hex_digest);
544    }
545}
546/* }}} */
547
548/* {{{ proto resource hash_copy(resource context)
549Copy hash resource */
550PHP_FUNCTION(hash_copy)
551{
552    zval *zhash;
553    php_hash_data *hash, *copy_hash;
554    void *context;
555    int res;
556
557    if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &zhash) == FAILURE) {
558        return;
559    }
560
561    ZEND_FETCH_RESOURCE(hash, php_hash_data*, zhash, -1, PHP_HASH_RESNAME, php_hash_le_hash);
562
563
564    context = emalloc(hash->ops->context_size);
565    hash->ops->hash_init(context);
566
567    res = hash->ops->hash_copy(hash->ops, hash->context, context);
568    if (res != SUCCESS) {
569        efree(context);
570        RETURN_FALSE;
571    }
572
573    copy_hash = emalloc(sizeof(php_hash_data));
574    copy_hash->ops = hash->ops;
575    copy_hash->context = context;
576    copy_hash->options = hash->options;
577    copy_hash->key = ecalloc(1, hash->ops->block_size);
578    if (hash->key) {
579        memcpy(copy_hash->key, hash->key, hash->ops->block_size);
580    }
581    ZEND_REGISTER_RESOURCE(return_value, copy_hash, php_hash_le_hash);
582}
583/* }}} */
584
585/* {{{ proto array hash_algos(void)
586Return a list of registered hashing algorithms */
587PHP_FUNCTION(hash_algos)
588{
589    zend_string *str;
590
591    array_init(return_value);
592    ZEND_HASH_FOREACH_STR_KEY(&php_hash_hashtable, str) {
593        add_next_index_str(return_value, zend_string_copy(str));
594    } ZEND_HASH_FOREACH_END();
595}
596/* }}} */
597
598/* {{{ proto string hash_pbkdf2(string algo, string password, string salt, int iterations [, int length = 0, bool raw_output = false])
599Generate a PBKDF2 hash of the given password and salt
600Returns lowercase hexits by default */
601PHP_FUNCTION(hash_pbkdf2)
602{
603    zend_string *returnval;
604    char *algo, *salt, *pass = NULL;
605    unsigned char *computed_salt, *digest, *temp, *result, *K1, *K2 = NULL;
606    zend_long loops, i, j, iterations, digest_length = 0, length = 0;
607    size_t algo_len, pass_len, salt_len = 0;
608    zend_bool raw_output = 0;
609    const php_hash_ops *ops;
610    void *context;
611
612    if (zend_parse_parameters(ZEND_NUM_ARGS(), "sssl|lb", &algo, &algo_len, &pass, &pass_len, &salt, &salt_len, &iterations, &length, &raw_output) == FAILURE) {
613        return;
614    }
615
616    ops = php_hash_fetch_ops(algo, algo_len);
617    if (!ops) {
618        php_error_docref(NULL, E_WARNING, "Unknown hashing algorithm: %s", algo);
619        RETURN_FALSE;
620    }
621
622    if (iterations <= 0) {
623        php_error_docref(NULL, E_WARNING, "Iterations must be a positive integer: " ZEND_LONG_FMT, iterations);
624        RETURN_FALSE;
625    }
626
627    if (length < 0) {
628        php_error_docref(NULL, E_WARNING, "Length must be greater than or equal to 0: " ZEND_LONG_FMT, length);
629        RETURN_FALSE;
630    }
631
632    if (salt_len > INT_MAX - 4) {
633        php_error_docref(NULL, E_WARNING, "Supplied salt is too long, max of INT_MAX - 4 bytes: %zd supplied", salt_len);
634        RETURN_FALSE;
635    }
636
637    context = emalloc(ops->context_size);
638    ops->hash_init(context);
639
640    K1 = emalloc(ops->block_size);
641    K2 = emalloc(ops->block_size);
642    digest = emalloc(ops->digest_size);
643    temp = emalloc(ops->digest_size);
644
645    /* Setup Keys that will be used for all hmac rounds */
646    php_hash_hmac_prep_key(K1, ops, context, (unsigned char *) pass, pass_len);
647    /* Convert K1 to opad -- 0x6A = 0x36 ^ 0x5C */
648    php_hash_string_xor_char(K2, K1, 0x6A, ops->block_size);
649
650    /* Setup Main Loop to build a long enough result */
651    if (length == 0) {
652        length = ops->digest_size;
653        if (!raw_output) {
654            length = length * 2;
655        }
656    }
657    digest_length = length;
658    if (!raw_output) {
659        digest_length = (zend_long) ceil((float) length / 2.0);
660    }
661
662    loops = (zend_long) ceil((float) digest_length / (float) ops->digest_size);
663
664    result = safe_emalloc(loops, ops->digest_size, 0);
665
666    computed_salt = safe_emalloc(salt_len, 1, 4);
667    memcpy(computed_salt, (unsigned char *) salt, salt_len);
668
669    for (i = 1; i <= loops; i++) {
670        /* digest = hash_hmac(salt + pack('N', i), password) { */
671
672        /* pack("N", i) */
673        computed_salt[salt_len] = (unsigned char) (i >> 24);
674        computed_salt[salt_len + 1] = (unsigned char) ((i & 0xFF0000) >> 16);
675        computed_salt[salt_len + 2] = (unsigned char) ((i & 0xFF00) >> 8);
676        computed_salt[salt_len + 3] = (unsigned char) (i & 0xFF);
677
678        php_hash_hmac_round(digest, ops, context, K1, computed_salt, (zend_long) salt_len + 4);
679        php_hash_hmac_round(digest, ops, context, K2, digest, ops->digest_size);
680        /* } */
681
682        /* temp = digest */
683        memcpy(temp, digest, ops->digest_size);
684
685        /*
686         * Note that the loop starting at 1 is intentional, since we've already done
687         * the first round of the algorithm.
688         */
689        for (j = 1; j < iterations; j++) {
690            /* digest = hash_hmac(digest, password) { */
691            php_hash_hmac_round(digest, ops, context, K1, digest, ops->digest_size);
692            php_hash_hmac_round(digest, ops, context, K2, digest, ops->digest_size);
693            /* } */
694            /* temp ^= digest */
695            php_hash_string_xor(temp, temp, digest, ops->digest_size);
696        }
697        /* result += temp */
698        memcpy(result + ((i - 1) * ops->digest_size), temp, ops->digest_size);
699    }
700    /* Zero potentially sensitive variables */
701    ZEND_SECURE_ZERO(K1, ops->block_size);
702    ZEND_SECURE_ZERO(K2, ops->block_size);
703    ZEND_SECURE_ZERO(computed_salt, salt_len + 4);
704    efree(K1);
705    efree(K2);
706    efree(computed_salt);
707    efree(context);
708    efree(digest);
709    efree(temp);
710
711    returnval = zend_string_alloc(length, 0);
712    if (raw_output) {
713        memcpy(returnval->val, result, length);
714    } else {
715        php_hash_bin2hex(returnval->val, result, digest_length);
716    }
717    returnval->val[length] = 0;
718    efree(result);
719    RETURN_STR(returnval);
720}
721/* }}} */
722
723/* {{{ proto bool hash_equals(string known_string, string user_string)
724   Compares two strings using the same time whether they're equal or not.
725   A difference in length will leak */
726PHP_FUNCTION(hash_equals)
727{
728    zval *known_zval, *user_zval;
729    char *known_str, *user_str;
730    int result = 0, j;
731
732    if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz", &known_zval, &user_zval) == FAILURE) {
733        return;
734    }
735
736    /* We only allow comparing string to prevent unexpected results. */
737    if (Z_TYPE_P(known_zval) != IS_STRING) {
738        php_error_docref(NULL, E_WARNING, "Expected known_string to be a string, %s given", zend_zval_type_name(known_zval));
739        RETURN_FALSE;
740    }
741
742    if (Z_TYPE_P(user_zval) != IS_STRING) {
743        php_error_docref(NULL, E_WARNING, "Expected user_string to be a string, %s given", zend_zval_type_name(user_zval));
744        RETURN_FALSE;
745    }
746
747    if (Z_STRLEN_P(known_zval) != Z_STRLEN_P(user_zval)) {
748        RETURN_FALSE;
749    }
750
751    known_str = Z_STRVAL_P(known_zval);
752    user_str = Z_STRVAL_P(user_zval);
753
754    /* This is security sensitive code. Do not optimize this for speed. */
755    for (j = 0; j < Z_STRLEN_P(known_zval); j++) {
756        result |= known_str[j] ^ user_str[j];
757    }
758
759    RETURN_BOOL(0 == result);
760}
761/* }}} */
762
763/* Module Housekeeping */
764
765static void php_hash_dtor(zend_resource *rsrc) /* {{{ */
766{
767    php_hash_data *hash = (php_hash_data*)rsrc->ptr;
768
769    /* Just in case the algo has internally allocated resources */
770    if (hash->context) {
771        unsigned char *dummy = emalloc(hash->ops->digest_size);
772        hash->ops->hash_final(dummy, hash->context);
773        efree(dummy);
774        efree(hash->context);
775    }
776
777    if (hash->key) {
778        memset(hash->key, 0, hash->ops->block_size);
779        efree(hash->key);
780    }
781    efree(hash);
782}
783/* }}} */
784
785#define PHP_HASH_HAVAL_REGISTER(p,b)    php_hash_register_algo("haval" #b "," #p , &php_hash_##p##haval##b##_ops);
786
787#ifdef PHP_MHASH_BC
788
789PHP_MINFO_FUNCTION(mhash)
790{
791    php_info_print_table_start();
792    php_info_print_table_row(2, "MHASH support", "Enabled");
793    php_info_print_table_row(2, "MHASH API Version", "Emulated Support");
794    php_info_print_table_end();
795}
796
797zend_module_entry mhash_module_entry = {
798    STANDARD_MODULE_HEADER,
799    "mhash",
800    NULL,
801    NULL,
802    NULL,
803    NULL,
804    NULL,
805    PHP_MINFO(mhash),
806    NO_VERSION_YET,
807    STANDARD_MODULE_PROPERTIES,
808};
809
810static void mhash_init(INIT_FUNC_ARGS)
811{
812    char buf[128];
813    int len;
814    int algo_number = 0;
815
816    for (algo_number = 0; algo_number < MHASH_NUM_ALGOS; algo_number++) {
817        struct mhash_bc_entry algorithm = mhash_to_hash[algo_number];
818        if (algorithm.mhash_name == NULL) {
819            continue;
820        }
821
822        len = slprintf(buf, 127, "MHASH_%s", algorithm.mhash_name, strlen(algorithm.mhash_name));
823        zend_register_long_constant(buf, len, algorithm.value, CONST_CS | CONST_PERSISTENT, module_number);
824    }
825    zend_register_internal_module(&mhash_module_entry);
826}
827
828/* {{{ proto string mhash(int hash, string data [, string key])
829   Hash data with hash */
830PHP_FUNCTION(mhash)
831{
832    zval *z_algorithm;
833    zend_long algorithm;
834
835    if (zend_parse_parameters(1, "z", &z_algorithm) == FAILURE) {
836        return;
837    }
838
839    SEPARATE_ZVAL(z_algorithm);
840    convert_to_long_ex(z_algorithm);
841    algorithm = Z_LVAL_P(z_algorithm);
842
843    /* need to convert the first parameter from int constant to string algorithm name */
844    if (algorithm >= 0 && algorithm < MHASH_NUM_ALGOS) {
845        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
846        if (algorithm_lookup.hash_name) {
847            ZVAL_STRING(z_algorithm, algorithm_lookup.hash_name);
848        }
849    }
850
851    if (ZEND_NUM_ARGS() == 3) {
852        php_hash_do_hash_hmac(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
853    } else if (ZEND_NUM_ARGS() == 2) {
854        php_hash_do_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0, 1);
855    } else {
856        WRONG_PARAM_COUNT;
857    }
858}
859/* }}} */
860
861/* {{{ proto string mhash_get_hash_name(int hash)
862   Gets the name of hash */
863PHP_FUNCTION(mhash_get_hash_name)
864{
865    zend_long algorithm;
866
867    if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &algorithm) == FAILURE) {
868        return;
869    }
870
871    if (algorithm >= 0 && algorithm  < MHASH_NUM_ALGOS) {
872        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
873        if (algorithm_lookup.mhash_name) {
874            RETURN_STRING(algorithm_lookup.mhash_name);
875        }
876    }
877    RETURN_FALSE;
878}
879/* }}} */
880
881/* {{{ proto int mhash_count(void)
882   Gets the number of available hashes */
883PHP_FUNCTION(mhash_count)
884{
885    if (zend_parse_parameters_none() == FAILURE) {
886        return;
887    }
888    RETURN_LONG(MHASH_NUM_ALGOS - 1);
889}
890/* }}} */
891
892/* {{{ proto int mhash_get_block_size(int hash)
893   Gets the block size of hash */
894PHP_FUNCTION(mhash_get_block_size)
895{
896    zend_long algorithm;
897
898    if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &algorithm) == FAILURE) {
899        return;
900    }
901    RETVAL_FALSE;
902
903    if (algorithm >= 0 && algorithm  < MHASH_NUM_ALGOS) {
904        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
905        if (algorithm_lookup.mhash_name) {
906            const php_hash_ops *ops = php_hash_fetch_ops(algorithm_lookup.hash_name, strlen(algorithm_lookup.hash_name));
907            if (ops) {
908                RETVAL_LONG(ops->digest_size);
909            }
910        }
911    }
912}
913/* }}} */
914
915#define SALT_SIZE 8
916
917/* {{{ proto string mhash_keygen_s2k(int hash, string input_password, string salt, int bytes)
918   Generates a key using hash functions */
919PHP_FUNCTION(mhash_keygen_s2k)
920{
921    zend_long algorithm, l_bytes;
922    int bytes;
923    char *password, *salt;
924    size_t password_len, salt_len;
925    char padded_salt[SALT_SIZE];
926
927    if (zend_parse_parameters(ZEND_NUM_ARGS(), "lssl", &algorithm, &password, &password_len, &salt, &salt_len, &l_bytes) == FAILURE) {
928        return;
929    }
930
931    bytes = (int)l_bytes;
932    if (bytes <= 0){
933        php_error_docref(NULL, E_WARNING, "the byte parameter must be greater than 0");
934        RETURN_FALSE;
935    }
936
937    salt_len = MIN(salt_len, SALT_SIZE);
938
939    memcpy(padded_salt, salt, salt_len);
940    if (salt_len < SALT_SIZE) {
941        memset(padded_salt + salt_len, 0, SALT_SIZE - salt_len);
942    }
943    salt_len = SALT_SIZE;
944
945    RETVAL_FALSE;
946    if (algorithm >= 0 && algorithm < MHASH_NUM_ALGOS) {
947        struct mhash_bc_entry algorithm_lookup = mhash_to_hash[algorithm];
948        if (algorithm_lookup.mhash_name) {
949            const php_hash_ops *ops = php_hash_fetch_ops(algorithm_lookup.hash_name, strlen(algorithm_lookup.hash_name));
950            if (ops) {
951                unsigned char null = '\0';
952                void *context;
953                char *key, *digest;
954                int i = 0, j = 0;
955                int block_size = ops->digest_size;
956                int times = bytes / block_size;
957                if (bytes % block_size  != 0) times++;
958
959                context = emalloc(ops->context_size);
960                ops->hash_init(context);
961
962                key = ecalloc(1, times * block_size);
963                digest = emalloc(ops->digest_size + 1);
964
965                for (i = 0; i < times; i++) {
966                    ops->hash_init(context);
967
968                    for (j=0;j<i;j++) {
969                        ops->hash_update(context, &null, 1);
970                    }
971                    ops->hash_update(context, (unsigned char *)padded_salt, salt_len);
972                    ops->hash_update(context, (unsigned char *)password, password_len);
973                    ops->hash_final((unsigned char *)digest, context);
974                    memcpy( &key[i*block_size], digest, block_size);
975                }
976
977                RETVAL_STRINGL(key, bytes);
978                ZEND_SECURE_ZERO(key, bytes);
979                efree(digest);
980                efree(context);
981                efree(key);
982            }
983        }
984    }
985}
986/* }}} */
987
988#endif
989
990/* {{{ PHP_MINIT_FUNCTION
991 */
992PHP_MINIT_FUNCTION(hash)
993{
994    php_hash_le_hash = zend_register_list_destructors_ex(php_hash_dtor, NULL, PHP_HASH_RESNAME, module_number);
995
996    zend_hash_init(&php_hash_hashtable, 35, NULL, NULL, 1);
997
998    php_hash_register_algo("md2",           &php_hash_md2_ops);
999    php_hash_register_algo("md4",           &php_hash_md4_ops);
1000    php_hash_register_algo("md5",           &php_hash_md5_ops);
1001    php_hash_register_algo("sha1",          &php_hash_sha1_ops);
1002    php_hash_register_algo("sha224",        &php_hash_sha224_ops);
1003    php_hash_register_algo("sha256",        &php_hash_sha256_ops);
1004    php_hash_register_algo("sha384",        &php_hash_sha384_ops);
1005    php_hash_register_algo("sha512",        &php_hash_sha512_ops);
1006    php_hash_register_algo("ripemd128",     &php_hash_ripemd128_ops);
1007    php_hash_register_algo("ripemd160",     &php_hash_ripemd160_ops);
1008    php_hash_register_algo("ripemd256",     &php_hash_ripemd256_ops);
1009    php_hash_register_algo("ripemd320",     &php_hash_ripemd320_ops);
1010    php_hash_register_algo("whirlpool",     &php_hash_whirlpool_ops);
1011    php_hash_register_algo("tiger128,3",    &php_hash_3tiger128_ops);
1012    php_hash_register_algo("tiger160,3",    &php_hash_3tiger160_ops);
1013    php_hash_register_algo("tiger192,3",    &php_hash_3tiger192_ops);
1014    php_hash_register_algo("tiger128,4",    &php_hash_4tiger128_ops);
1015    php_hash_register_algo("tiger160,4",    &php_hash_4tiger160_ops);
1016    php_hash_register_algo("tiger192,4",    &php_hash_4tiger192_ops);
1017    php_hash_register_algo("snefru",        &php_hash_snefru_ops);
1018    php_hash_register_algo("snefru256",     &php_hash_snefru_ops);
1019    php_hash_register_algo("gost",          &php_hash_gost_ops);
1020    php_hash_register_algo("gost-crypto",       &php_hash_gost_crypto_ops);
1021    php_hash_register_algo("adler32",       &php_hash_adler32_ops);
1022    php_hash_register_algo("crc32",         &php_hash_crc32_ops);
1023    php_hash_register_algo("crc32b",        &php_hash_crc32b_ops);
1024    php_hash_register_algo("fnv132",        &php_hash_fnv132_ops);
1025    php_hash_register_algo("fnv1a32",       &php_hash_fnv1a32_ops);
1026    php_hash_register_algo("fnv164",        &php_hash_fnv164_ops);
1027    php_hash_register_algo("fnv1a64",       &php_hash_fnv1a64_ops);
1028    php_hash_register_algo("joaat",         &php_hash_joaat_ops);
1029
1030    PHP_HASH_HAVAL_REGISTER(3,128);
1031    PHP_HASH_HAVAL_REGISTER(3,160);
1032    PHP_HASH_HAVAL_REGISTER(3,192);
1033    PHP_HASH_HAVAL_REGISTER(3,224);
1034    PHP_HASH_HAVAL_REGISTER(3,256);
1035
1036    PHP_HASH_HAVAL_REGISTER(4,128);
1037    PHP_HASH_HAVAL_REGISTER(4,160);
1038    PHP_HASH_HAVAL_REGISTER(4,192);
1039    PHP_HASH_HAVAL_REGISTER(4,224);
1040    PHP_HASH_HAVAL_REGISTER(4,256);
1041
1042    PHP_HASH_HAVAL_REGISTER(5,128);
1043    PHP_HASH_HAVAL_REGISTER(5,160);
1044    PHP_HASH_HAVAL_REGISTER(5,192);
1045    PHP_HASH_HAVAL_REGISTER(5,224);
1046    PHP_HASH_HAVAL_REGISTER(5,256);
1047
1048    REGISTER_LONG_CONSTANT("HASH_HMAC",     PHP_HASH_HMAC,  CONST_CS | CONST_PERSISTENT);
1049
1050#ifdef PHP_MHASH_BC
1051    mhash_init(INIT_FUNC_ARGS_PASSTHRU);
1052#endif
1053
1054    return SUCCESS;
1055}
1056/* }}} */
1057
1058/* {{{ PHP_MSHUTDOWN_FUNCTION
1059 */
1060PHP_MSHUTDOWN_FUNCTION(hash)
1061{
1062    zend_hash_destroy(&php_hash_hashtable);
1063
1064    return SUCCESS;
1065}
1066/* }}} */
1067
1068/* {{{ PHP_MINFO_FUNCTION
1069 */
1070PHP_MINFO_FUNCTION(hash)
1071{
1072    char buffer[2048];
1073    zend_string *str;
1074    char *s = buffer, *e = s + sizeof(buffer);
1075
1076    ZEND_HASH_FOREACH_STR_KEY(&php_hash_hashtable, str) {
1077        s += slprintf(s, e - s, "%s ", str->val);
1078    } ZEND_HASH_FOREACH_END();
1079    *s = 0;
1080
1081    php_info_print_table_start();
1082    php_info_print_table_row(2, "hash support", "enabled");
1083    php_info_print_table_row(2, "Hashing Engines", buffer);
1084    php_info_print_table_end();
1085}
1086/* }}} */
1087
1088/* {{{ arginfo */
1089#ifdef PHP_HASH_MD5_NOT_IN_CORE
1090ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_md5, 0, 0, 1)
1091    ZEND_ARG_INFO(0, str)
1092    ZEND_ARG_INFO(0, raw_output)
1093ZEND_END_ARG_INFO()
1094
1095ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_md5_file, 0, 0, 1)
1096    ZEND_ARG_INFO(0, filename)
1097    ZEND_ARG_INFO(0, raw_output)
1098ZEND_END_ARG_INFO()
1099#endif
1100
1101#ifdef PHP_HASH_SHA1_NOT_IN_CORE
1102ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_sha1, 0, 0, 1)
1103    ZEND_ARG_INFO(0, str)
1104    ZEND_ARG_INFO(0, raw_output)
1105ZEND_END_ARG_INFO()
1106
1107ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_sha1_file, 0, 0, 1)
1108    ZEND_ARG_INFO(0, filename)
1109    ZEND_ARG_INFO(0, raw_output)
1110ZEND_END_ARG_INFO()
1111#endif
1112
1113ZEND_BEGIN_ARG_INFO_EX(arginfo_hash, 0, 0, 2)
1114    ZEND_ARG_INFO(0, algo)
1115    ZEND_ARG_INFO(0, data)
1116    ZEND_ARG_INFO(0, raw_output)
1117ZEND_END_ARG_INFO()
1118
1119ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_file, 0, 0, 2)
1120    ZEND_ARG_INFO(0, algo)
1121    ZEND_ARG_INFO(0, filename)
1122    ZEND_ARG_INFO(0, raw_output)
1123ZEND_END_ARG_INFO()
1124
1125ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_hmac, 0, 0, 3)
1126    ZEND_ARG_INFO(0, algo)
1127    ZEND_ARG_INFO(0, data)
1128    ZEND_ARG_INFO(0, key)
1129    ZEND_ARG_INFO(0, raw_output)
1130ZEND_END_ARG_INFO()
1131
1132ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_hmac_file, 0, 0, 3)
1133    ZEND_ARG_INFO(0, algo)
1134    ZEND_ARG_INFO(0, filename)
1135    ZEND_ARG_INFO(0, key)
1136    ZEND_ARG_INFO(0, raw_output)
1137ZEND_END_ARG_INFO()
1138
1139ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_init, 0, 0, 1)
1140    ZEND_ARG_INFO(0, algo)
1141    ZEND_ARG_INFO(0, options)
1142    ZEND_ARG_INFO(0, key)
1143ZEND_END_ARG_INFO()
1144
1145ZEND_BEGIN_ARG_INFO(arginfo_hash_update, 0)
1146    ZEND_ARG_INFO(0, context)
1147    ZEND_ARG_INFO(0, data)
1148ZEND_END_ARG_INFO()
1149
1150ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_update_stream, 0, 0, 2)
1151    ZEND_ARG_INFO(0, context)
1152    ZEND_ARG_INFO(0, handle)
1153    ZEND_ARG_INFO(0, length)
1154ZEND_END_ARG_INFO()
1155
1156ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_update_file, 0, 0, 2)
1157    ZEND_ARG_INFO(0, context)
1158    ZEND_ARG_INFO(0, filename)
1159    ZEND_ARG_INFO(0, context)
1160ZEND_END_ARG_INFO()
1161
1162ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_final, 0, 0, 1)
1163    ZEND_ARG_INFO(0, context)
1164    ZEND_ARG_INFO(0, raw_output)
1165ZEND_END_ARG_INFO()
1166
1167ZEND_BEGIN_ARG_INFO(arginfo_hash_copy, 0)
1168    ZEND_ARG_INFO(0, context)
1169ZEND_END_ARG_INFO()
1170
1171ZEND_BEGIN_ARG_INFO(arginfo_hash_algos, 0)
1172ZEND_END_ARG_INFO()
1173
1174ZEND_BEGIN_ARG_INFO_EX(arginfo_hash_pbkdf2, 0, 0, 4)
1175    ZEND_ARG_INFO(0, algo)
1176    ZEND_ARG_INFO(0, password)
1177    ZEND_ARG_INFO(0, salt)
1178    ZEND_ARG_INFO(0, iterations)
1179    ZEND_ARG_INFO(0, length)
1180    ZEND_ARG_INFO(0, raw_output)
1181ZEND_END_ARG_INFO()
1182
1183ZEND_BEGIN_ARG_INFO(arginfo_hash_equals, 0)
1184    ZEND_ARG_INFO(0, known_string)
1185    ZEND_ARG_INFO(0, user_string)
1186ZEND_END_ARG_INFO()
1187
1188/* BC Land */
1189#ifdef PHP_MHASH_BC
1190ZEND_BEGIN_ARG_INFO(arginfo_mhash_get_block_size, 0)
1191    ZEND_ARG_INFO(0, hash)
1192ZEND_END_ARG_INFO()
1193
1194ZEND_BEGIN_ARG_INFO(arginfo_mhash_get_hash_name, 0)
1195    ZEND_ARG_INFO(0, hash)
1196ZEND_END_ARG_INFO()
1197
1198ZEND_BEGIN_ARG_INFO(arginfo_mhash_keygen_s2k, 0)
1199    ZEND_ARG_INFO(0, hash)
1200    ZEND_ARG_INFO(0, input_password)
1201    ZEND_ARG_INFO(0, salt)
1202    ZEND_ARG_INFO(0, bytes)
1203ZEND_END_ARG_INFO()
1204
1205ZEND_BEGIN_ARG_INFO(arginfo_mhash_count, 0)
1206ZEND_END_ARG_INFO()
1207
1208ZEND_BEGIN_ARG_INFO_EX(arginfo_mhash, 0, 0, 2)
1209    ZEND_ARG_INFO(0, hash)
1210    ZEND_ARG_INFO(0, data)
1211    ZEND_ARG_INFO(0, key)
1212ZEND_END_ARG_INFO()
1213#endif
1214
1215/* }}} */
1216
1217/* {{{ hash_functions[]
1218 */
1219const zend_function_entry hash_functions[] = {
1220    PHP_FE(hash,                                    arginfo_hash)
1221    PHP_FE(hash_file,                               arginfo_hash_file)
1222
1223    PHP_FE(hash_hmac,                               arginfo_hash_hmac)
1224    PHP_FE(hash_hmac_file,                          arginfo_hash_hmac_file)
1225
1226    PHP_FE(hash_init,                               arginfo_hash_init)
1227    PHP_FE(hash_update,                             arginfo_hash_update)
1228    PHP_FE(hash_update_stream,                      arginfo_hash_update_stream)
1229    PHP_FE(hash_update_file,                        arginfo_hash_update_file)
1230    PHP_FE(hash_final,                              arginfo_hash_final)
1231    PHP_FE(hash_copy,                               arginfo_hash_copy)
1232
1233    PHP_FE(hash_algos,                              arginfo_hash_algos)
1234    PHP_FE(hash_pbkdf2,                             arginfo_hash_pbkdf2)
1235    PHP_FE(hash_equals,                             arginfo_hash_equals)
1236
1237    /* BC Land */
1238#ifdef PHP_HASH_MD5_NOT_IN_CORE
1239    PHP_NAMED_FE(md5, php_if_md5,                   arginfo_hash_md5)
1240    PHP_NAMED_FE(md5_file, php_if_md5_file,         arginfo_hash_md5_file)
1241#endif /* PHP_HASH_MD5_NOT_IN_CORE */
1242
1243#ifdef PHP_HASH_SHA1_NOT_IN_CORE
1244    PHP_NAMED_FE(sha1, php_if_sha1,                 arginfo_hash_sha1)
1245    PHP_NAMED_FE(sha1_file, php_if_sha1_file,       arginfo_hash_sha1_file)
1246#endif /* PHP_HASH_SHA1_NOT_IN_CORE */
1247
1248#ifdef PHP_MHASH_BC
1249    PHP_FE(mhash_keygen_s2k, arginfo_mhash_keygen_s2k)
1250    PHP_FE(mhash_get_block_size, arginfo_mhash_get_block_size)
1251    PHP_FE(mhash_get_hash_name, arginfo_mhash_get_hash_name)
1252    PHP_FE(mhash_count, arginfo_mhash_count)
1253    PHP_FE(mhash, arginfo_mhash)
1254#endif
1255
1256    PHP_FE_END
1257};
1258/* }}} */
1259
1260/* {{{ hash_module_entry
1261 */
1262zend_module_entry hash_module_entry = {
1263#if ZEND_MODULE_API_NO >= 20010901
1264    STANDARD_MODULE_HEADER,
1265#endif
1266    PHP_HASH_EXTNAME,
1267    hash_functions,
1268    PHP_MINIT(hash),
1269    PHP_MSHUTDOWN(hash),
1270    NULL, /* RINIT */
1271    NULL, /* RSHUTDOWN */
1272    PHP_MINFO(hash),
1273#if ZEND_MODULE_API_NO >= 20010901
1274    PHP_HASH_EXTVER, /* Replace with version number for your extension */
1275#endif
1276    STANDARD_MODULE_PROPERTIES
1277};
1278/* }}} */
1279
1280#ifdef COMPILE_DL_HASH
1281ZEND_GET_MODULE(hash)
1282#endif
1283
1284/*
1285 * Local variables:
1286 * tab-width: 4
1287 * c-basic-offset: 4
1288 * End:
1289 * vim600: noet sw=4 ts=4 fdm=marker
1290 * vim<600: noet sw=4 ts=4
1291 */
1292
1293