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Commit | Line | Data |
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62867571 | 1 | /* |
567db2c1 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
62867571 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
b39fc560 | 11 | #include "internal/cryptlib.h" |
ec577822 | 12 | #include <openssl/evp.h> |
176db6dc | 13 | #include "internal/objects.h" |
ec577822 | 14 | #include <openssl/x509.h> |
ab0a14bb | 15 | #include "internal/evp_int.h" |
d02b48c6 | 16 | |
13588350 | 17 | int EVP_add_cipher(const EVP_CIPHER *c) |
0f113f3e MC |
18 | { |
19 | int r; | |
20 | ||
21 | if (c == NULL) | |
22 | return 0; | |
23 | ||
24 | r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH, | |
25 | (const char *)c); | |
26 | if (r == 0) | |
26a7d938 | 27 | return 0; |
0f113f3e MC |
28 | r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH, |
29 | (const char *)c); | |
26a7d938 | 30 | return r; |
0f113f3e | 31 | } |
5ba4bf35 | 32 | |
13588350 | 33 | int EVP_add_digest(const EVP_MD *md) |
0f113f3e MC |
34 | { |
35 | int r; | |
36 | const char *name; | |
37 | ||
38 | name = OBJ_nid2sn(md->type); | |
39 | r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md); | |
40 | if (r == 0) | |
26a7d938 | 41 | return 0; |
0f113f3e MC |
42 | r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH, |
43 | (const char *)md); | |
44 | if (r == 0) | |
26a7d938 | 45 | return 0; |
0f113f3e MC |
46 | |
47 | if (md->pkey_type && md->type != md->pkey_type) { | |
48 | r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), | |
49 | OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name); | |
50 | if (r == 0) | |
26a7d938 | 51 | return 0; |
0f113f3e MC |
52 | r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), |
53 | OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name); | |
54 | } | |
26a7d938 | 55 | return r; |
0f113f3e | 56 | } |
d02b48c6 | 57 | |
567db2c1 RL |
58 | int EVP_add_mac(const EVP_MAC *m) |
59 | { | |
60 | int r; | |
61 | ||
62 | if (m == NULL) | |
63 | return 0; | |
64 | ||
65 | r = OBJ_NAME_add(OBJ_nid2sn(m->type), OBJ_NAME_TYPE_MAC_METH, | |
66 | (const char *)m); | |
67 | if (r == 0) | |
68 | return 0; | |
69 | r = OBJ_NAME_add(OBJ_nid2ln(m->type), OBJ_NAME_TYPE_MAC_METH, | |
70 | (const char *)m); | |
71 | return r; | |
72 | } | |
73 | ||
6b691a5c | 74 | const EVP_CIPHER *EVP_get_cipherbyname(const char *name) |
0f113f3e MC |
75 | { |
76 | const EVP_CIPHER *cp; | |
d02b48c6 | 77 | |
0fc32b07 MC |
78 | if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL)) |
79 | return NULL; | |
7b9f8f7f | 80 | |
0f113f3e | 81 | cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH); |
26a7d938 | 82 | return cp; |
0f113f3e | 83 | } |
d02b48c6 | 84 | |
6b691a5c | 85 | const EVP_MD *EVP_get_digestbyname(const char *name) |
0f113f3e MC |
86 | { |
87 | const EVP_MD *cp; | |
d02b48c6 | 88 | |
0fc32b07 MC |
89 | if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)) |
90 | return NULL; | |
7b9f8f7f | 91 | |
0f113f3e | 92 | cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH); |
26a7d938 | 93 | return cp; |
0f113f3e | 94 | } |
d02b48c6 | 95 | |
567db2c1 RL |
96 | const EVP_MAC *EVP_get_macbyname(const char *name) |
97 | { | |
98 | const EVP_MAC *mp; | |
99 | ||
100 | if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_MACS, NULL)) | |
101 | return NULL; | |
102 | ||
103 | mp = (const EVP_MAC *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MAC_METH); | |
104 | return mp; | |
105 | } | |
106 | ||
b3599dbb | 107 | void evp_cleanup_int(void) |
0f113f3e | 108 | { |
567db2c1 | 109 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_MAC_METH); |
0f113f3e MC |
110 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); |
111 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); | |
112 | /* | |
113 | * The above calls will only clean out the contents of the name hash | |
114 | * table, but not the hash table itself. The following line does that | |
115 | * part. -- Richard Levitte | |
116 | */ | |
117 | OBJ_NAME_cleanup(-1); | |
118 | ||
119 | EVP_PBE_cleanup(); | |
0f113f3e | 120 | OBJ_sigid_free(); |
0822e89a PY |
121 | |
122 | evp_app_cleanup_int(); | |
0f113f3e MC |
123 | } |
124 | ||
125 | struct doall_cipher { | |
126 | void *arg; | |
127 | void (*fn) (const EVP_CIPHER *ciph, | |
128 | const char *from, const char *to, void *arg); | |
129 | }; | |
5ba4bf35 DSH |
130 | |
131 | static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg) | |
0f113f3e MC |
132 | { |
133 | struct doall_cipher *dc = arg; | |
134 | if (nm->alias) | |
135 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
136 | else | |
137 | dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); | |
138 | } | |
139 | ||
140 | void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph, | |
141 | const char *from, const char *to, void *x), | |
142 | void *arg) | |
143 | { | |
144 | struct doall_cipher dc; | |
7b9f8f7f | 145 | |
0fc32b07 | 146 | /* Ignore errors */ |
f672aee4 | 147 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); |
7b9f8f7f | 148 | |
0f113f3e MC |
149 | dc.fn = fn; |
150 | dc.arg = arg; | |
151 | OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
152 | } | |
153 | ||
154 | void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph, | |
155 | const char *from, const char *to, | |
156 | void *x), void *arg) | |
157 | { | |
158 | struct doall_cipher dc; | |
7b9f8f7f | 159 | |
0fc32b07 | 160 | /* Ignore errors */ |
f672aee4 | 161 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); |
7b9f8f7f | 162 | |
0f113f3e MC |
163 | dc.fn = fn; |
164 | dc.arg = arg; | |
165 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
166 | } | |
167 | ||
168 | struct doall_md { | |
169 | void *arg; | |
170 | void (*fn) (const EVP_MD *ciph, | |
171 | const char *from, const char *to, void *arg); | |
172 | }; | |
5ba4bf35 DSH |
173 | |
174 | static void do_all_md_fn(const OBJ_NAME *nm, void *arg) | |
0f113f3e MC |
175 | { |
176 | struct doall_md *dc = arg; | |
177 | if (nm->alias) | |
178 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
179 | else | |
180 | dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); | |
181 | } | |
182 | ||
183 | void EVP_MD_do_all(void (*fn) (const EVP_MD *md, | |
184 | const char *from, const char *to, void *x), | |
185 | void *arg) | |
186 | { | |
187 | struct doall_md dc; | |
7b9f8f7f | 188 | |
0fc32b07 | 189 | /* Ignore errors */ |
f672aee4 | 190 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); |
7b9f8f7f | 191 | |
0f113f3e MC |
192 | dc.fn = fn; |
193 | dc.arg = arg; | |
194 | OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
195 | } | |
196 | ||
197 | void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md, | |
198 | const char *from, const char *to, | |
199 | void *x), void *arg) | |
200 | { | |
201 | struct doall_md dc; | |
7b9f8f7f | 202 | |
f672aee4 | 203 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); |
7b9f8f7f | 204 | |
0f113f3e MC |
205 | dc.fn = fn; |
206 | dc.arg = arg; | |
207 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
208 | } | |
567db2c1 RL |
209 | |
210 | struct doall_mac { | |
211 | void *arg; | |
212 | void (*fn) (const EVP_MAC *ciph, | |
213 | const char *from, const char *to, void *arg); | |
214 | }; | |
215 | ||
216 | static void do_all_mac_fn(const OBJ_NAME *nm, void *arg) | |
217 | { | |
218 | struct doall_mac *dc = arg; | |
219 | ||
220 | if (nm->alias) | |
221 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
222 | else | |
223 | dc->fn((const EVP_MAC *)nm->data, nm->name, NULL, dc->arg); | |
224 | } | |
225 | ||
226 | void EVP_MAC_do_all(void (*fn) | |
227 | (const EVP_MAC *ciph, const char *from, const char *to, | |
228 | void *x), void *arg) | |
229 | { | |
230 | struct doall_mac dc; | |
231 | ||
232 | /* Ignore errors */ | |
233 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_MACS, NULL); | |
234 | ||
235 | dc.fn = fn; | |
236 | dc.arg = arg; | |
237 | OBJ_NAME_do_all(OBJ_NAME_TYPE_MAC_METH, do_all_mac_fn, &dc); | |
238 | } | |
239 | ||
240 | void EVP_MAC_do_all_sorted(void (*fn) | |
241 | (const EVP_MAC *ciph, const char *from, | |
242 | const char *to, void *x), void *arg) | |
243 | { | |
244 | struct doall_mac dc; | |
245 | ||
246 | /* Ignore errors */ | |
247 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_MACS, NULL); | |
248 | ||
249 | dc.fn = fn; | |
250 | dc.arg = arg; | |
251 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MAC_METH, do_all_mac_fn, &dc); | |
252 | } | |
253 |