| /* crypto/evp/names.c */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include "cryptlib.h" |
| #include <openssl/evp.h> |
| #include <openssl/objects.h> |
| #include <openssl/x509.h> |
| |
| int EVP_add_cipher(const EVP_CIPHER *c) |
| { |
| int r; |
| |
| r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); |
| if (r == 0) return(0); |
| check_defer(c->nid); |
| r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); |
| return(r); |
| } |
| |
| |
| int EVP_add_digest(const EVP_MD *md) |
| { |
| int r; |
| const char *name; |
| |
| name=OBJ_nid2sn(md->type); |
| r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md); |
| if (r == 0) return(0); |
| check_defer(md->type); |
| r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md); |
| if (r == 0) return(0); |
| |
| if (md->pkey_type && md->type != md->pkey_type) |
| { |
| r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), |
| OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); |
| if (r == 0) return(0); |
| check_defer(md->pkey_type); |
| r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), |
| OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); |
| } |
| return(r); |
| } |
| |
| const EVP_CIPHER *EVP_get_cipherbyname(const char *name) |
| { |
| const EVP_CIPHER *cp; |
| |
| cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH); |
| return(cp); |
| } |
| |
| const EVP_MD *EVP_get_digestbyname(const char *name) |
| { |
| const EVP_MD *cp; |
| |
| cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH); |
| return(cp); |
| } |
| |
| void EVP_cleanup(void) |
| { |
| OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); |
| OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); |
| /* The above calls will only clean out the contents of the name |
| hash table, but not the hash table itself. The following line |
| does that part. -- Richard Levitte */ |
| OBJ_NAME_cleanup(-1); |
| |
| EVP_PBE_cleanup(); |
| if (obj_cleanup_defer == 2) |
| { |
| obj_cleanup_defer = 0; |
| OBJ_cleanup(); |
| } |
| OBJ_sigid_free(); |
| } |
| |
| struct doall_cipher |
| { |
| void *arg; |
| void (*fn)(const EVP_CIPHER *ciph, |
| const char *from, const char *to, void *arg); |
| }; |
| |
| static void do_all_cipher_fn(const OBJ_NAME *nm, void *arg) |
| { |
| struct doall_cipher *dc = arg; |
| if (nm->alias) |
| dc->fn(NULL, nm->name, nm->data, dc->arg); |
| else |
| dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); |
| } |
| |
| void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, |
| const char *from, const char *to, void *x), void *arg) |
| { |
| struct doall_cipher dc; |
| dc.fn = fn; |
| dc.arg = arg; |
| OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); |
| } |
| |
| void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, |
| const char *from, const char *to, void *x), void *arg) |
| { |
| struct doall_cipher dc; |
| dc.fn = fn; |
| dc.arg = arg; |
| OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn,&dc); |
| } |
| |
| struct doall_md |
| { |
| void *arg; |
| void (*fn)(const EVP_MD *ciph, |
| const char *from, const char *to, void *arg); |
| }; |
| |
| static void do_all_md_fn(const OBJ_NAME *nm, void *arg) |
| { |
| struct doall_md *dc = arg; |
| if (nm->alias) |
| dc->fn(NULL, nm->name, nm->data, dc->arg); |
| else |
| dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); |
| } |
| |
| void EVP_MD_do_all(void (*fn)(const EVP_MD *md, |
| const char *from, const char *to, void *x), void *arg) |
| { |
| struct doall_md dc; |
| dc.fn = fn; |
| dc.arg = arg; |
| OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); |
| } |
| |
| void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md, |
| const char *from, const char *to, void *x), void *arg) |
| { |
| struct doall_md dc; |
| dc.fn = fn; |
| dc.arg = arg; |
| OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); |
| } |