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: Anatol Belski <ab@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #include "php_hash.h"
18 #include "php_hash_murmur.h"
19
20 #include "murmur/PMurHash.h"
21 #include "murmur/PMurHash128.h"
22
23
24 const php_hash_ops php_hash_murmur3a_ops = {
25 "murmur3a",
26 (php_hash_init_func_t) PHP_MURMUR3AInit,
27 (php_hash_update_func_t) PHP_MURMUR3AUpdate,
28 (php_hash_final_func_t) PHP_MURMUR3AFinal,
29 (php_hash_copy_func_t) PHP_MURMUR3ACopy,
30 php_hash_serialize,
31 php_hash_unserialize,
32 PHP_MURMUR3A_SPEC,
33 4,
34 4,
35 sizeof(PHP_MURMUR3A_CTX),
36 0
37 };
38
PHP_MURMUR3AInit(PHP_MURMUR3A_CTX * ctx,HashTable * args)39 PHP_HASH_API void PHP_MURMUR3AInit(PHP_MURMUR3A_CTX *ctx, HashTable *args)
40 {
41 if (args) {
42 zval *seed = zend_hash_str_find_deref(args, "seed", sizeof("seed") - 1);
43 /* This might be a bit too restrictive, but thinking that a seed might be set
44 once and for all, it should be done a clean way. */
45 if (seed && IS_LONG == Z_TYPE_P(seed)) {
46 ctx->h = (uint32_t)Z_LVAL_P(seed);
47 } else {
48 ctx->h = 0;
49 }
50 } else {
51 ctx->h = 0;
52 }
53 ctx->carry = 0;
54 ctx->len = 0;
55 }
56
PHP_MURMUR3AUpdate(PHP_MURMUR3A_CTX * ctx,const unsigned char * in,size_t len)57 PHP_HASH_API void PHP_MURMUR3AUpdate(PHP_MURMUR3A_CTX *ctx, const unsigned char *in, size_t len)
58 {
59 ctx->len += len;
60 PMurHash32_Process(&ctx->h, &ctx->carry, in, len);
61 }
62
PHP_MURMUR3AFinal(unsigned char digest[4],PHP_MURMUR3A_CTX * ctx)63 PHP_HASH_API void PHP_MURMUR3AFinal(unsigned char digest[4], PHP_MURMUR3A_CTX *ctx)
64 {
65 ctx->h = PMurHash32_Result(ctx->h, ctx->carry, ctx->len);
66
67 digest[0] = (unsigned char)((ctx->h >> 24) & 0xff);
68 digest[1] = (unsigned char)((ctx->h >> 16) & 0xff);
69 digest[2] = (unsigned char)((ctx->h >> 8) & 0xff);
70 digest[3] = (unsigned char)(ctx->h & 0xff);
71 }
72
PHP_MURMUR3ACopy(const php_hash_ops * ops,PHP_MURMUR3A_CTX * orig_context,PHP_MURMUR3A_CTX * copy_context)73 PHP_HASH_API int PHP_MURMUR3ACopy(const php_hash_ops *ops, PHP_MURMUR3A_CTX *orig_context, PHP_MURMUR3A_CTX *copy_context)
74 {
75 copy_context->h = orig_context->h;
76 copy_context->carry = orig_context->carry;
77 copy_context->len = orig_context->len;
78 return SUCCESS;
79 }
80
81 const php_hash_ops php_hash_murmur3c_ops = {
82 "murmur3c",
83 (php_hash_init_func_t) PHP_MURMUR3CInit,
84 (php_hash_update_func_t) PHP_MURMUR3CUpdate,
85 (php_hash_final_func_t) PHP_MURMUR3CFinal,
86 (php_hash_copy_func_t) PHP_MURMUR3CCopy,
87 php_hash_serialize,
88 php_hash_unserialize,
89 PHP_MURMUR3C_SPEC,
90 16,
91 4,
92 sizeof(PHP_MURMUR3C_CTX),
93 0
94 };
95
PHP_MURMUR3CInit(PHP_MURMUR3C_CTX * ctx,HashTable * args)96 PHP_HASH_API void PHP_MURMUR3CInit(PHP_MURMUR3C_CTX *ctx, HashTable *args)
97 {
98 if (args) {
99 zval *seed = zend_hash_str_find_deref(args, "seed", sizeof("seed") - 1);
100 /* This might be a bit too restrictive, but thinking that a seed might be set
101 once and for all, it should be done a clean way. */
102 if (seed && IS_LONG == Z_TYPE_P(seed)) {
103 uint32_t _seed = (uint32_t)Z_LVAL_P(seed);
104 ctx->h[0] = _seed;
105 ctx->h[1] = _seed;
106 ctx->h[2] = _seed;
107 ctx->h[3] = _seed;
108 } else {
109 memset(&ctx->h, 0, sizeof ctx->h);
110 }
111 } else {
112 memset(&ctx->h, 0, sizeof ctx->h);
113 }
114 memset(&ctx->carry, 0, sizeof ctx->carry);
115 ctx->len = 0;
116 }
117
PHP_MURMUR3CUpdate(PHP_MURMUR3C_CTX * ctx,const unsigned char * in,size_t len)118 PHP_HASH_API void PHP_MURMUR3CUpdate(PHP_MURMUR3C_CTX *ctx, const unsigned char *in, size_t len)
119 {
120 ctx->len += len;
121 PMurHash128x86_Process(ctx->h, ctx->carry, in, len);
122 }
123
PHP_MURMUR3CFinal(unsigned char digest[16],PHP_MURMUR3C_CTX * ctx)124 PHP_HASH_API void PHP_MURMUR3CFinal(unsigned char digest[16], PHP_MURMUR3C_CTX *ctx)
125 {
126 uint32_t h[4] = {0, 0, 0, 0};
127 PMurHash128x86_Result(ctx->h, ctx->carry, ctx->len, h);
128
129 digest[0] = (unsigned char)((h[0] >> 24) & 0xff);
130 digest[1] = (unsigned char)((h[0] >> 16) & 0xff);
131 digest[2] = (unsigned char)((h[0] >> 8) & 0xff);
132 digest[3] = (unsigned char)(h[0] & 0xff);
133 digest[4] = (unsigned char)((h[1] >> 24) & 0xff);
134 digest[5] = (unsigned char)((h[1] >> 16) & 0xff);
135 digest[6] = (unsigned char)((h[1] >> 8) & 0xff);
136 digest[7] = (unsigned char)(h[1] & 0xff);
137 digest[8] = (unsigned char)((h[2] >> 24) & 0xff);
138 digest[9] = (unsigned char)((h[2] >> 16) & 0xff);
139 digest[10] = (unsigned char)((h[2] >> 8) & 0xff);
140 digest[11] = (unsigned char)(h[2] & 0xff);
141 digest[12] = (unsigned char)((h[3] >> 24) & 0xff);
142 digest[13] = (unsigned char)((h[3] >> 16) & 0xff);
143 digest[14] = (unsigned char)((h[3] >> 8) & 0xff);
144 digest[15] = (unsigned char)(h[3] & 0xff);
145 }
146
PHP_MURMUR3CCopy(const php_hash_ops * ops,PHP_MURMUR3C_CTX * orig_context,PHP_MURMUR3C_CTX * copy_context)147 PHP_HASH_API int PHP_MURMUR3CCopy(const php_hash_ops *ops, PHP_MURMUR3C_CTX *orig_context, PHP_MURMUR3C_CTX *copy_context)
148 {
149 memcpy(©_context->h, &orig_context->h, sizeof orig_context->h);
150 memcpy(©_context->carry, &orig_context->carry, sizeof orig_context->carry);
151 copy_context->len = orig_context->len;
152 return SUCCESS;
153 }
154
155 const php_hash_ops php_hash_murmur3f_ops = {
156 "murmur3f",
157 (php_hash_init_func_t) PHP_MURMUR3FInit,
158 (php_hash_update_func_t) PHP_MURMUR3FUpdate,
159 (php_hash_final_func_t) PHP_MURMUR3FFinal,
160 (php_hash_copy_func_t) PHP_MURMUR3FCopy,
161 php_hash_serialize,
162 php_hash_unserialize,
163 PHP_MURMUR3F_SPEC,
164 16,
165 8,
166 sizeof(PHP_MURMUR3F_CTX),
167 0
168 };
169
PHP_MURMUR3FInit(PHP_MURMUR3F_CTX * ctx,HashTable * args)170 PHP_HASH_API void PHP_MURMUR3FInit(PHP_MURMUR3F_CTX *ctx, HashTable *args)
171 {
172 if (args) {
173 zval *seed = zend_hash_str_find_deref(args, "seed", sizeof("seed") - 1);
174 /* This might be a bit too restrictive, but thinking that a seed might be set
175 once and for all, it should be done a clean way. */
176 if (seed && IS_LONG == Z_TYPE_P(seed)) {
177 uint64_t _seed = (uint64_t)Z_LVAL_P(seed);
178 ctx->h[0] = _seed;
179 ctx->h[1] = _seed;
180 } else {
181 memset(&ctx->h, 0, sizeof ctx->h);
182 }
183 } else {
184 memset(&ctx->h, 0, sizeof ctx->h);
185 }
186 memset(&ctx->carry, 0, sizeof ctx->carry);
187 ctx->len = 0;
188 }
189
PHP_MURMUR3FUpdate(PHP_MURMUR3F_CTX * ctx,const unsigned char * in,size_t len)190 PHP_HASH_API void PHP_MURMUR3FUpdate(PHP_MURMUR3F_CTX *ctx, const unsigned char *in, size_t len)
191 {
192 ctx->len += len;
193 PMurHash128x64_Process(ctx->h, ctx->carry, in, len);
194 }
195
PHP_MURMUR3FFinal(unsigned char digest[16],PHP_MURMUR3F_CTX * ctx)196 PHP_HASH_API void PHP_MURMUR3FFinal(unsigned char digest[16], PHP_MURMUR3F_CTX *ctx)
197 {
198 uint64_t h[2] = {0, 0};
199 PMurHash128x64_Result(ctx->h, ctx->carry, ctx->len, h);
200
201 digest[0] = (unsigned char)((h[0] >> 56) & 0xff);
202 digest[1] = (unsigned char)((h[0] >> 48) & 0xff);
203 digest[2] = (unsigned char)((h[0] >> 40) & 0xff);
204 digest[3] = (unsigned char)((h[0] >> 32) & 0xff);
205 digest[4] = (unsigned char)((h[0] >> 24) & 0xff);
206 digest[5] = (unsigned char)((h[0] >> 16) & 0xff);
207 digest[6] = (unsigned char)((h[0] >> 8) & 0xff);
208 digest[7] = (unsigned char)(h[0] & 0xff);
209 digest[8] = (unsigned char)((h[1] >> 56) & 0xff);
210 digest[9] = (unsigned char)((h[1] >> 48) & 0xff);
211 digest[10] = (unsigned char)((h[1] >> 40) & 0xff);
212 digest[11] = (unsigned char)((h[1] >> 32) & 0xff);
213 digest[12] = (unsigned char)((h[1] >> 24) & 0xff);
214 digest[13] = (unsigned char)((h[1] >> 16) & 0xff);
215 digest[14] = (unsigned char)((h[1] >> 8) & 0xff);
216 digest[15] = (unsigned char)(h[1] & 0xff);
217 }
218
PHP_MURMUR3FCopy(const php_hash_ops * ops,PHP_MURMUR3F_CTX * orig_context,PHP_MURMUR3F_CTX * copy_context)219 PHP_HASH_API int PHP_MURMUR3FCopy(const php_hash_ops *ops, PHP_MURMUR3F_CTX *orig_context, PHP_MURMUR3F_CTX *copy_context)
220 {
221 memcpy(©_context->h, &orig_context->h, sizeof orig_context->h);
222 memcpy(©_context->carry, &orig_context->carry, sizeof orig_context->carry);
223 copy_context->len = orig_context->len;
224 return SUCCESS;
225 }
226
