1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Sara Golemon <pollita@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #ifndef PHP_HASH_H
18 #define PHP_HASH_H
19
20 #include "php.h"
21
22 #define PHP_HASH_EXTNAME "hash"
23 #define PHP_HASH_VERSION PHP_VERSION
24 #define PHP_MHASH_VERSION PHP_VERSION
25
26 #define PHP_HASH_HMAC 0x0001
27
28 #define PHP_HASH_SERIALIZE_MAGIC_SPEC 2
29
30 #define L64 INT64_C
31
32 typedef struct _php_hashcontext_object php_hashcontext_object;
33
34 typedef void (*php_hash_init_func_t)(void *context, HashTable *args);
35 typedef void (*php_hash_update_func_t)(void *context, const unsigned char *buf, size_t count);
36 typedef void (*php_hash_final_func_t)(unsigned char *digest, void *context);
37 typedef zend_result (*php_hash_copy_func_t)(const void *ops, const void *orig_context, void *dest_context);
38 typedef zend_result (*php_hash_serialize_func_t)(const php_hashcontext_object *hash, zend_long *magic, zval *zv);
39 typedef int (*php_hash_unserialize_func_t)(php_hashcontext_object *hash, zend_long magic, const zval *zv);
40
41 typedef struct _php_hash_ops {
42 const char *algo;
43 php_hash_init_func_t hash_init;
44 php_hash_update_func_t hash_update;
45 php_hash_final_func_t hash_final;
46 php_hash_copy_func_t hash_copy;
47 php_hash_serialize_func_t hash_serialize;
48 php_hash_unserialize_func_t hash_unserialize;
49 const char *serialize_spec;
50
51 size_t digest_size;
52 size_t block_size;
53 size_t context_size;
54 unsigned is_crypto: 1;
55 } php_hash_ops;
56
57 struct _php_hashcontext_object {
58 const php_hash_ops *ops;
59 void *context;
60
61 zend_long options;
62 unsigned char *key;
63
64 zend_object std;
65 };
66
php_hashcontext_from_object(zend_object * obj)67 static inline php_hashcontext_object *php_hashcontext_from_object(zend_object *obj) {
68 return ((php_hashcontext_object*)(obj + 1)) - 1;
69 }
70
71 extern const php_hash_ops php_hash_md2_ops;
72 extern const php_hash_ops php_hash_md4_ops;
73 extern const php_hash_ops php_hash_md5_ops;
74 extern const php_hash_ops php_hash_sha1_ops;
75 extern const php_hash_ops php_hash_sha224_ops;
76 extern const php_hash_ops php_hash_sha256_ops;
77 extern const php_hash_ops php_hash_sha384_ops;
78 extern const php_hash_ops php_hash_sha512_ops;
79 extern const php_hash_ops php_hash_sha512_256_ops;
80 extern const php_hash_ops php_hash_sha512_224_ops;
81 extern const php_hash_ops php_hash_sha3_224_ops;
82 extern const php_hash_ops php_hash_sha3_256_ops;
83 extern const php_hash_ops php_hash_sha3_384_ops;
84 extern const php_hash_ops php_hash_sha3_512_ops;
85 extern const php_hash_ops php_hash_ripemd128_ops;
86 extern const php_hash_ops php_hash_ripemd160_ops;
87 extern const php_hash_ops php_hash_ripemd256_ops;
88 extern const php_hash_ops php_hash_ripemd320_ops;
89 extern const php_hash_ops php_hash_whirlpool_ops;
90 extern const php_hash_ops php_hash_3tiger128_ops;
91 extern const php_hash_ops php_hash_3tiger160_ops;
92 extern const php_hash_ops php_hash_3tiger192_ops;
93 extern const php_hash_ops php_hash_4tiger128_ops;
94 extern const php_hash_ops php_hash_4tiger160_ops;
95 extern const php_hash_ops php_hash_4tiger192_ops;
96 extern const php_hash_ops php_hash_snefru_ops;
97 extern const php_hash_ops php_hash_gost_ops;
98 extern const php_hash_ops php_hash_gost_crypto_ops;
99 extern const php_hash_ops php_hash_adler32_ops;
100 extern const php_hash_ops php_hash_crc32_ops;
101 extern const php_hash_ops php_hash_crc32b_ops;
102 extern const php_hash_ops php_hash_crc32c_ops;
103 extern const php_hash_ops php_hash_fnv132_ops;
104 extern const php_hash_ops php_hash_fnv1a32_ops;
105 extern const php_hash_ops php_hash_fnv164_ops;
106 extern const php_hash_ops php_hash_fnv1a64_ops;
107 extern const php_hash_ops php_hash_joaat_ops;
108 extern const php_hash_ops php_hash_murmur3a_ops;
109 extern const php_hash_ops php_hash_murmur3c_ops;
110 extern const php_hash_ops php_hash_murmur3f_ops;
111 extern const php_hash_ops php_hash_xxh32_ops;
112 extern const php_hash_ops php_hash_xxh64_ops;
113 extern const php_hash_ops php_hash_xxh3_64_ops;
114 extern const php_hash_ops php_hash_xxh3_128_ops;
115
116 #define PHP_HASH_HAVAL_OPS(p,b) extern const php_hash_ops php_hash_##p##haval##b##_ops;
117
118 PHP_HASH_HAVAL_OPS(3,128)
119 PHP_HASH_HAVAL_OPS(3,160)
120 PHP_HASH_HAVAL_OPS(3,192)
121 PHP_HASH_HAVAL_OPS(3,224)
122 PHP_HASH_HAVAL_OPS(3,256)
123
124 PHP_HASH_HAVAL_OPS(4,128)
125 PHP_HASH_HAVAL_OPS(4,160)
126 PHP_HASH_HAVAL_OPS(4,192)
127 PHP_HASH_HAVAL_OPS(4,224)
128 PHP_HASH_HAVAL_OPS(4,256)
129
130 PHP_HASH_HAVAL_OPS(5,128)
131 PHP_HASH_HAVAL_OPS(5,160)
132 PHP_HASH_HAVAL_OPS(5,192)
133 PHP_HASH_HAVAL_OPS(5,224)
134 PHP_HASH_HAVAL_OPS(5,256)
135
136 extern zend_module_entry hash_module_entry;
137 #define phpext_hash_ptr &hash_module_entry
138
139 #ifdef PHP_WIN32
140 # define PHP_HASH_API __declspec(dllexport)
141 #elif defined(__GNUC__) && __GNUC__ >= 4
142 # define PHP_HASH_API __attribute__ ((visibility("default")))
143 #else
144 # define PHP_HASH_API
145 #endif
146
147 extern PHP_HASH_API zend_class_entry *php_hashcontext_ce;
148 PHP_HASH_API const php_hash_ops *php_hash_fetch_ops(zend_string *algo);
149 PHP_HASH_API void php_hash_register_algo(const char *algo, const php_hash_ops *ops);
150 PHP_HASH_API zend_result php_hash_copy(const void *ops, const void *orig_context, void *dest_context);
151 PHP_HASH_API zend_result php_hash_serialize(const php_hashcontext_object *context, zend_long *magic, zval *zv);
152 PHP_HASH_API int php_hash_unserialize(php_hashcontext_object *context, zend_long magic, const zval *zv);
153 PHP_HASH_API zend_result php_hash_serialize_spec(const php_hashcontext_object *context, zval *zv, const char *spec);
154 PHP_HASH_API int php_hash_unserialize_spec(php_hashcontext_object *hash, const zval *zv, const char *spec);
155
php_hash_alloc_context(const php_hash_ops * ops)156 static inline void *php_hash_alloc_context(const php_hash_ops *ops) {
157 /* Zero out context memory so serialization doesn't expose internals */
158 return ecalloc(1, ops->context_size);
159 }
160
php_hash_bin2hex(char * out,const unsigned char * in,size_t in_len)161 static inline void php_hash_bin2hex(char *out, const unsigned char *in, size_t in_len)
162 {
163 static const char hexits[17] = "0123456789abcdef";
164 size_t i;
165
166 for(i = 0; i < in_len; i++) {
167 out[i * 2] = hexits[in[i] >> 4];
168 out[(i * 2) + 1] = hexits[in[i] & 0x0F];
169 }
170 }
171
172 #endif /* PHP_HASH_H */
173