2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
11 #include "internal/cryptlib.h"
12 #include <openssl/evp.h>
13 #include <openssl/kdf.h>
14 #include "internal/objects.h"
15 #include <openssl/x509.h>
16 #include "internal/evp_int.h"
18 int EVP_add_cipher(const EVP_CIPHER *c)
25 r = OBJ_NAME_add(OBJ_nid2sn(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
29 r = OBJ_NAME_add(OBJ_nid2ln(c->nid), OBJ_NAME_TYPE_CIPHER_METH,
34 int EVP_add_digest(const EVP_MD *md)
39 name = OBJ_nid2sn(md->type);
40 r = OBJ_NAME_add(name, OBJ_NAME_TYPE_MD_METH, (const char *)md);
43 r = OBJ_NAME_add(OBJ_nid2ln(md->type), OBJ_NAME_TYPE_MD_METH,
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);
53 r = OBJ_NAME_add(OBJ_nid2ln(md->pkey_type),
54 OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, name);
59 /* TODO(3.0) Is this needed after changing to providers? */
60 int EVP_add_kdf(const EVP_KDF *k)
67 r = OBJ_NAME_add(OBJ_nid2sn(k->type), OBJ_NAME_TYPE_KDF_METH,
71 r = OBJ_NAME_add(OBJ_nid2ln(k->type), OBJ_NAME_TYPE_KDF_METH,
76 const EVP_CIPHER *EVP_get_cipherbyname(const char *name)
80 if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL))
83 cp = (const EVP_CIPHER *)OBJ_NAME_get(name, OBJ_NAME_TYPE_CIPHER_METH);
87 const EVP_MD *EVP_get_digestbyname(const char *name)
91 if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL))
94 cp = (const EVP_MD *)OBJ_NAME_get(name, OBJ_NAME_TYPE_MD_METH);
98 /* TODO(3.0) Is this API needed after implementing providers? */
99 const EVP_KDF *EVP_get_kdfbyname(const char *name)
103 if (!OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_KDFS, NULL))
106 kdf = (const EVP_KDF *)OBJ_NAME_get(name, OBJ_NAME_TYPE_KDF_METH);
110 void evp_cleanup_int(void)
112 OBJ_NAME_cleanup(OBJ_NAME_TYPE_KDF_METH);
113 OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH);
114 OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH);
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
120 OBJ_NAME_cleanup(-1);
125 evp_app_cleanup_int();
128 struct doall_cipher {
130 void (*fn) (const EVP_CIPHER *ciph,
131 const char *from, const char *to, void *arg);
134 static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg)
136 struct doall_cipher *dc = arg;
138 dc->fn(NULL, nm->name, nm->data, dc->arg);
140 dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg);
143 void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
144 const char *from, const char *to, void *x),
147 struct doall_cipher dc;
150 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL);
154 OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
157 void EVP_CIPHER_do_all_sorted(void (*fn) (const EVP_CIPHER *ciph,
158 const char *from, const char *to,
161 struct doall_cipher dc;
164 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL);
168 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc);
173 void (*fn) (const EVP_MD *ciph,
174 const char *from, const char *to, void *arg);
177 static void do_all_md_fn(const OBJ_NAME *nm, void *arg)
179 struct doall_md *dc = arg;
181 dc->fn(NULL, nm->name, nm->data, dc->arg);
183 dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg);
186 void EVP_MD_do_all(void (*fn) (const EVP_MD *md,
187 const char *from, const char *to, void *x),
193 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
197 OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);
200 void EVP_MD_do_all_sorted(void (*fn) (const EVP_MD *md,
201 const char *from, const char *to,
206 OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
210 OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc);