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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 | * |
4a8b0c55 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
62867571 RS |
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> |
d2ba8123 | 13 | #include <openssl/kdf.h> |
176db6dc | 14 | #include "internal/objects.h" |
ec577822 | 15 | #include <openssl/x509.h> |
ab0a14bb | 16 | #include "internal/evp_int.h" |
d02b48c6 | 17 | |
13588350 | 18 | int EVP_add_cipher(const EVP_CIPHER *c) |
0f113f3e MC |
19 | { |
20 | int r; | |
21 | ||
22 | if (c == NULL) | |
23 | return 0; | |
24 | ||
25 | r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH, | |
26 | (const char *)c); | |
27 | if (r == 0) | |
26a7d938 | 28 | return 0; |
0f113f3e MC |
29 | r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH, |
30 | (const char *)c); | |
26a7d938 | 31 | return r; |
0f113f3e | 32 | } |
5ba4bf35 | 33 | |
13588350 | 34 | int EVP_add_digest(const EVP_MD *md) |
0f113f3e MC |
35 | { |
36 | int r; | |
37 | const char *name; | |
38 | ||
39 | name = OBJ_nid2sn(md->type); | |
40 | r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md); | |
41 | if (r == 0) | |
26a7d938 | 42 | return 0; |
0f113f3e MC |
43 | r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH, |
44 | (const char *)md); | |
45 | if (r == 0) | |
26a7d938 | 46 | return 0; |
0f113f3e MC |
47 | |
48 | if (md->pkey_type && md->type != md->pkey_type) { | |
49 | r = OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), | |
50 | OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name); | |
51 | if (r == 0) | |
26a7d938 | 52 | return 0; |
0f113f3e MC |
53 | r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), |
54 | OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name); | |
55 | } | |
26a7d938 | 56 | return r; |
0f113f3e | 57 | } |
d02b48c6 | 58 | |
d2ba8123 SL |
59 | /* TODO(3.0) Is this needed after changing to providers? */ |
60 | int EVP_add_kdf(const EVP_KDF *k) | |
61 | { | |
62 | int r; | |
63 | ||
64 | if (k == NULL) | |
65 | return 0; | |
66 | ||
67 | r = OBJ_NAME_add(OBJ_nid2sn(k->type), OBJ_NAME_TYPE_KDF_METH, | |
68 | (const char *)k); | |
69 | if (r == 0) | |
70 | return 0; | |
71 | r = OBJ_NAME_add(OBJ_nid2ln(k->type), OBJ_NAME_TYPE_KDF_METH, | |
72 | (const char *)k); | |
73 | return r; | |
74 | } | |
75 | ||
6b691a5c | 76 | const EVP_CIPHER *EVP_get_cipherbyname(const char *name) |
0f113f3e MC |
77 | { |
78 | const EVP_CIPHER *cp; | |
d02b48c6 | 79 | |
0fc32b07 MC |
80 | if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL)) |
81 | return NULL; | |
7b9f8f7f | 82 | |
0f113f3e | 83 | cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH); |
26a7d938 | 84 | return cp; |
0f113f3e | 85 | } |
d02b48c6 | 86 | |
6b691a5c | 87 | const EVP_MD *EVP_get_digestbyname(const char *name) |
0f113f3e MC |
88 | { |
89 | const EVP_MD *cp; | |
d02b48c6 | 90 | |
0fc32b07 MC |
91 | if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)) |
92 | return NULL; | |
7b9f8f7f | 93 | |
0f113f3e | 94 | cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH); |
26a7d938 | 95 | return cp; |
0f113f3e | 96 | } |
d02b48c6 | 97 | |
d2ba8123 SL |
98 | /* TODO(3.0) Is this API needed after implementing providers? */ |
99 | const EVP_KDF *EVP_get_kdfbyname(const char *name) | |
100 | { | |
101 | const EVP_KDF *kdf; | |
102 | ||
103 | if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_KDFS, NULL)) | |
104 | return NULL; | |
105 | ||
106 | kdf = (const EVP_KDF *)OBJ_NAME_get(name, OBJ_NAME_TYPE_KDF_METH); | |
107 | return kdf; | |
108 | } | |
109 | ||
b3599dbb | 110 | void evp_cleanup_int(void) |
0f113f3e | 111 | { |
d2ba8123 | 112 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_KDF_METH); |
0f113f3e MC |
113 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); |
114 | OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); | |
115 | /* | |
116 | * The above calls will only clean out the contents of the name hash | |
117 | * table, but not the hash table itself. The following line does that | |
118 | * part. -- Richard Levitte | |
119 | */ | |
120 | OBJ_NAME_cleanup(-1); | |
121 | ||
122 | EVP_PBE_cleanup(); | |
0f113f3e | 123 | OBJ_sigid_free(); |
0822e89a PY |
124 | |
125 | evp_app_cleanup_int(); | |
0f113f3e MC |
126 | } |
127 | ||
128 | struct doall_cipher { | |
129 | void *arg; | |
130 | void (*fn) (const EVP_CIPHER *ciph, | |
131 | const char *from, const char *to, void *arg); | |
132 | }; | |
5ba4bf35 DSH |
133 | |
134 | static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg) | |
0f113f3e MC |
135 | { |
136 | struct doall_cipher *dc = arg; | |
137 | if (nm->alias) | |
138 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
139 | else | |
140 | dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); | |
141 | } | |
142 | ||
143 | void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph, | |
144 | const char *from, const char *to, void *x), | |
145 | void *arg) | |
146 | { | |
147 | struct doall_cipher dc; | |
7b9f8f7f | 148 | |
0fc32b07 | 149 | /* Ignore errors */ |
f672aee4 | 150 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); |
7b9f8f7f | 151 | |
0f113f3e MC |
152 | dc.fn = fn; |
153 | dc.arg = arg; | |
154 | OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
155 | } | |
156 | ||
157 | void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph, | |
158 | const char *from, const char *to, | |
159 | void *x), void *arg) | |
160 | { | |
161 | struct doall_cipher dc; | |
7b9f8f7f | 162 | |
0fc32b07 | 163 | /* Ignore errors */ |
f672aee4 | 164 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL); |
7b9f8f7f | 165 | |
0f113f3e MC |
166 | dc.fn = fn; |
167 | dc.arg = arg; | |
168 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); | |
169 | } | |
170 | ||
171 | struct doall_md { | |
172 | void *arg; | |
173 | void (*fn) (const EVP_MD *ciph, | |
174 | const char *from, const char *to, void *arg); | |
175 | }; | |
5ba4bf35 DSH |
176 | |
177 | static void do_all_md_fn(const OBJ_NAME *nm, void *arg) | |
0f113f3e MC |
178 | { |
179 | struct doall_md *dc = arg; | |
180 | if (nm->alias) | |
181 | dc->fn(NULL, nm->name, nm->data, dc->arg); | |
182 | else | |
183 | dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); | |
184 | } | |
185 | ||
186 | void EVP_MD_do_all(void (*fn) (const EVP_MD *md, | |
187 | const char *from, const char *to, void *x), | |
188 | void *arg) | |
189 | { | |
190 | struct doall_md dc; | |
7b9f8f7f | 191 | |
0fc32b07 | 192 | /* Ignore errors */ |
f672aee4 | 193 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); |
7b9f8f7f | 194 | |
0f113f3e MC |
195 | dc.fn = fn; |
196 | dc.arg = arg; | |
197 | OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
198 | } | |
199 | ||
200 | void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md, | |
201 | const char *from, const char *to, | |
202 | void *x), void *arg) | |
203 | { | |
204 | struct doall_md dc; | |
7b9f8f7f | 205 | |
f672aee4 | 206 | OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL); |
7b9f8f7f | 207 | |
0f113f3e MC |
208 | dc.fn = fn; |
209 | dc.arg = arg; | |
210 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); | |
211 | } |