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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
ec577822 BM |
60 | #include <openssl/evp.h> |
61 | #include <openssl/objects.h> | |
62 | #include <openssl/x509.h> | |
ab0a14bb | 63 | #include "internal/evp_int.h" |
d02b48c6 | 64 | |
13588350 | 65 | int EVP_add_cipher(const EVP_CIPHER *c) |
0f113f3e MC |
66 | { |
67 | int r; | |
68 | ||
69 | if (c == NULL) | |
70 | return 0; | |
71 | ||
72 | r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH, | |
73 | (const char *)c); | |
74 | if (r == 0) | |
75 | return (0); | |
76 | check_defer(c->nid); | |
77 | r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH, | |
78 | (const char *)c); | |
79 | return (r); | |
80 | } | |
5ba4bf35 | 81 | |
13588350 | 82 | int EVP_add_digest(const EVP_MD *md) |
0f113f3e MC |
83 | { |
84 | int r; | |
85 | const char *name; | |
86 | ||
87 | name = OBJ_nid2sn(md->type); | |
88 | r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md); | |
89 | if (r == 0) | |
90 | return (0); | |
91 | check_defer(md->type); | |
92 | r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH, | |
93 | (const char *)md); | |
94 | if (r == 0) | |
95 | return (0); | |
96 | ||
97 | if (md->pkey_type && md->type != md->pkey_type) { | |
98 | r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), | |
99 | OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name); | |
100 | if (r == 0) | |
101 | return (0); | |
102 | check_defer(md->pkey_type); | |
103 | r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), | |
104 | OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name); | |
105 | } | |
106 | return (r); | |
107 | } | |
d02b48c6 | 108 | |
6b691a5c | 109 | const EVP_CIPHER *EVP_get_cipherbyname(const char *name) |
0f113f3e MC |
110 | { |
111 | const EVP_CIPHER *cp; | |
d02b48c6 | 112 | |
7b9f8f7f MC |
113 | OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); |
114 | ||
0f113f3e MC |
115 | cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH); |
116 | return (cp); | |
117 | } | |
d02b48c6 | 118 | |
6b691a5c | 119 | const EVP_MD *EVP_get_digestbyname(const char *name) |
0f113f3e MC |
120 | { |
121 | const EVP_MD *cp; | |
d02b48c6 | 122 | |
7b9f8f7f MC |
123 | OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); |
124 | ||
0f113f3e MC |
125 | cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH); |
126 | return (cp); | |
127 | } | |
d02b48c6 | 128 | |
6b691a5c | 129 | void EVP_cleanup(void) |
0f113f3e MC |
130 | { |
131 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); | |
132 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); | |
133 | /* | |
134 | * The above calls will only clean out the contents of the name hash | |
135 | * table, but not the hash table itself. The following line does that | |
136 | * part. -- Richard Levitte | |
137 | */ | |
138 | OBJ_NAME_cleanup(-1); | |
139 | ||
140 | EVP_PBE_cleanup(); | |
141 | if (obj_cleanup_defer == 2) { | |
142 | obj_cleanup_defer = 0; | |
143 | OBJ_cleanup(); | |
144 | } | |
145 | OBJ_sigid_free(); | |
146 | } | |
147 | ||
148 | struct doall_cipher { | |
149 | void *arg; | |
150 | void (*fn) (const EVP_CIPHER *ciph, | |
151 | const char *from, const char *to, void *arg); | |
152 | }; | |
5ba4bf35 DSH |
153 | |
154 | static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg) | |
0f113f3e MC |
155 | { |
156 | struct doall_cipher *dc = arg; | |
157 | if (nm->alias) | |
158 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
159 | else | |
160 | dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); | |
161 | } | |
162 | ||
163 | void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph, | |
164 | const char *from, const char *to, void *x), | |
165 | void *arg) | |
166 | { | |
167 | struct doall_cipher dc; | |
7b9f8f7f MC |
168 | |
169 | OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); | |
170 | ||
0f113f3e MC |
171 | dc.fn = fn; |
172 | dc.arg = arg; | |
173 | OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
174 | } | |
175 | ||
176 | void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph, | |
177 | const char *from, const char *to, | |
178 | void *x), void *arg) | |
179 | { | |
180 | struct doall_cipher dc; | |
7b9f8f7f MC |
181 | |
182 | OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); | |
183 | ||
0f113f3e MC |
184 | dc.fn = fn; |
185 | dc.arg = arg; | |
186 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
187 | } | |
188 | ||
189 | struct doall_md { | |
190 | void *arg; | |
191 | void (*fn) (const EVP_MD *ciph, | |
192 | const char *from, const char *to, void *arg); | |
193 | }; | |
5ba4bf35 DSH |
194 | |
195 | static void do_all_md_fn(const OBJ_NAME *nm, void *arg) | |
0f113f3e MC |
196 | { |
197 | struct doall_md *dc = arg; | |
198 | if (nm->alias) | |
199 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
200 | else | |
201 | dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); | |
202 | } | |
203 | ||
204 | void EVP_MD_do_all(void (*fn) (const EVP_MD *md, | |
205 | const char *from, const char *to, void *x), | |
206 | void *arg) | |
207 | { | |
208 | struct doall_md dc; | |
7b9f8f7f MC |
209 | |
210 | OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); | |
211 | ||
0f113f3e MC |
212 | dc.fn = fn; |
213 | dc.arg = arg; | |
214 | OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
215 | } | |
216 | ||
217 | void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md, | |
218 | const char *from, const char *to, | |
219 | void *x), void *arg) | |
220 | { | |
221 | struct doall_md dc; | |
7b9f8f7f MC |
222 | |
223 | OPENSSL_INIT_crypto_library_start(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); | |
224 | ||
0f113f3e MC |
225 | dc.fn = fn; |
226 | dc.arg = arg; | |
227 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
228 | } |