118316Swollman/* crypto/evp/names.c */ 218316Swollman/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 318316Swollman * All rights reserved. 418316Swollman * 518316Swollman * This package is an SSL implementation written 618316Swollman * by Eric Young (eay@cryptsoft.com). 718316Swollman * The implementation was written so as to conform with Netscapes SSL. 818316Swollman * 918316Swollman * This library is free for commercial and non-commercial use as long as 1018316Swollman * the following conditions are aheared to. The following conditions 1118316Swollman * apply to all code found in this distribution, be it the RC4, RSA, 1218316Swollman * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1318316Swollman * included with this distribution is covered by the same copyright terms 1418316Swollman * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1518316Swollman * 1618316Swollman * Copyright remains Eric Young's, and as such any Copyright notices in 1718316Swollman * the code are not to be removed. 1818316Swollman * If this package is used in a product, Eric Young should be given attribution 1918316Swollman * as the author of the parts of the library used. 2018316Swollman * This can be in the form of a textual message at program startup or 2118316Swollman * in documentation (online or textual) provided with the package. 2218316Swollman * 2318316Swollman * Redistribution and use in source and binary forms, with or without 2418316Swollman * modification, are permitted provided that the following conditions 2518316Swollman * are met: 2618316Swollman * 1. Redistributions of source code must retain the copyright 2718316Swollman * notice, this list of conditions and the following disclaimer. 2846303Smarkm * 2. Redistributions in binary form must reproduce the above copyright 2950476Speter * notice, this list of conditions and the following disclaimer in the 3018316Swollman * documentation and/or other materials provided with the distribution. 3118316Swollman * 3. All advertising materials mentioning features or use of this software 3246303Smarkm * must display the following acknowledgement: 3318316Swollman * "This product includes cryptographic software written by 3446303Smarkm * Eric Young (eay@cryptsoft.com)" 3518316Swollman * The word 'cryptographic' can be left out if the rouines from the library 3618316Swollman * being used are not cryptographic related :-). 3718316Swollman * 4. If you include any Windows specific code (or a derivative thereof) from 3818316Swollman * the apps directory (application code) you must include an acknowledgement: 3918316Swollman * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4018316Swollman * 4146303Smarkm * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4232502Scharnier * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4346303Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4418316Swollman * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4518316Swollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4618316Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4718316Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4818316Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4918316Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5018316Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5118316Swollman * SUCH DAMAGE. 52126250Sbms * 53126250Sbms * The licence and distribution terms for any publically available version or 54126250Sbms * derivative of this code cannot be changed. i.e. this code cannot simply be 5546303Smarkm * copied and put under another distribution licence 56126250Sbms * [including the GNU Public Licence.] 57126250Sbms */ 58126250Sbms 59126250Sbms#include <stdio.h> 60126250Sbms#include "cryptlib.h" 61126250Sbms#include <openssl/evp.h> 62126250Sbms#include <openssl/objects.h> 63126250Sbms#include <openssl/x509.h> 64126250Sbms 65126250Sbmsint EVP_add_cipher(const EVP_CIPHER *c) 66126250Sbms { 67126250Sbms int r; 68126250Sbms 69126250Sbms if (c == NULL) return 0; 7046303Smarkm 7118316Swollman OPENSSL_init(); 7218316Swollman 7318316Swollman r=OBJ_NAME_add(OBJ_nid2sn(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); 7418316Swollman if (r == 0) return(0); 75126250Sbms check_defer(c->nid); 76126250Sbms r=OBJ_NAME_add(OBJ_nid2ln(c->nid),OBJ_NAME_TYPE_CIPHER_METH,(const char *)c); 77126250Sbms return(r); 7846303Smarkm } 7946303Smarkm 8046303Smarkm 8146303Smarkmint EVP_add_digest(const EVP_MD *md) 8246303Smarkm { 8346303Smarkm int r; 8446303Smarkm const char *name; 8546303Smarkm OPENSSL_init(); 8646303Smarkm 87126250Sbms name=OBJ_nid2sn(md->type); 8846303Smarkm r=OBJ_NAME_add(name,OBJ_NAME_TYPE_MD_METH,(const char *)md); 8946303Smarkm if (r == 0) return(0); 9018316Swollman check_defer(md->type); 9118316Swollman r=OBJ_NAME_add(OBJ_nid2ln(md->type),OBJ_NAME_TYPE_MD_METH,(const char *)md); 9218316Swollman if (r == 0) return(0); 9346303Smarkm 9418316Swollman if (md->pkey_type && md->type != md->pkey_type) 9546303Smarkm { 9646303Smarkm r=OBJ_NAME_add(OBJ_nid2sn(md->pkey_type), 9718316Swollman OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); 9818316Swollman if (r == 0) return(0); 9918316Swollman check_defer(md->pkey_type); 10018316Swollman r=OBJ_NAME_add(OBJ_nid2ln(md->pkey_type), 10118316Swollman OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,name); 10218316Swollman } 10318316Swollman return(r); 10418316Swollman } 10518316Swollman 10618316Swollmanconst EVP_CIPHER *EVP_get_cipherbyname(const char *name) 10718316Swollman { 10818316Swollman const EVP_CIPHER *cp; 10918316Swollman 11018316Swollman cp=(const EVP_CIPHER *)OBJ_NAME_get(name,OBJ_NAME_TYPE_CIPHER_METH); 11118316Swollman return(cp); 11218316Swollman } 11318316Swollman 11418316Swollmanconst EVP_MD *EVP_get_digestbyname(const char *name) 11519880Swollman { 11619880Swollman const EVP_MD *cp; 11719880Swollman 11819880Swollman cp=(const EVP_MD *)OBJ_NAME_get(name,OBJ_NAME_TYPE_MD_METH); 11918316Swollman return(cp); 12018316Swollman } 12118316Swollman 12246303Smarkmvoid EVP_cleanup(void) 12346303Smarkm { 12446303Smarkm OBJ_NAME_cleanup(OBJ_NAME_TYPE_CIPHER_METH); 12518316Swollman OBJ_NAME_cleanup(OBJ_NAME_TYPE_MD_METH); 12646303Smarkm /* The above calls will only clean out the contents of the name 12746303Smarkm hash table, but not the hash table itself. The following line 12846303Smarkm does that part. -- Richard Levitte */ 12918316Swollman OBJ_NAME_cleanup(-1); 13018316Swollman 13146303Smarkm EVP_PBE_cleanup(); 13237908Scharnier if (obj_cleanup_defer == 2) 13318316Swollman { 13446303Smarkm obj_cleanup_defer = 0; 13537908Scharnier OBJ_cleanup(); 13618316Swollman } 13718316Swollman OBJ_sigid_free(); 13818316Swollman } 13918316Swollman 14019880Swollmanstruct doall_cipher 14146303Smarkm { 14218316Swollman void *arg; 14318316Swollman void (*fn)(const EVP_CIPHER *ciph, 14418316Swollman const char *from, const char *to, void *arg); 14518316Swollman }; 14618316Swollman 14746303Smarkmstatic void do_all_cipher_fn(const OBJ_NAME *nm, void *arg) 14824359Simp { 14918316Swollman struct doall_cipher *dc = arg; 15018316Swollman if (nm->alias) 15118316Swollman dc->fn(NULL, nm->name, nm->data, dc->arg); 15218316Swollman else 15318316Swollman dc->fn((const EVP_CIPHER *)nm->data, nm->name, NULL, dc->arg); 15418316Swollman } 15518316Swollman 15618316Swollmanvoid EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph, 15718316Swollman const char *from, const char *to, void *x), void *arg) 15818316Swollman { 15918316Swollman struct doall_cipher dc; 16018316Swollman dc.fn = fn; 16118316Swollman dc.arg = arg; 16218316Swollman OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn, &dc); 16318316Swollman } 16418316Swollman 16518316Swollmanvoid EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, 16618316Swollman const char *from, const char *to, void *x), void *arg) 16718316Swollman { 16818316Swollman struct doall_cipher dc; 16937908Scharnier dc.fn = fn; 17018316Swollman dc.arg = arg; 17118316Swollman OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, do_all_cipher_fn,&dc); 17218316Swollman } 17318316Swollman 17418316Swollmanstruct doall_md 17537908Scharnier { 17618316Swollman void *arg; 17718316Swollman void (*fn)(const EVP_MD *ciph, 17818316Swollman const char *from, const char *to, void *arg); 17946303Smarkm }; 18046303Smarkm 18146303Smarkmstatic void do_all_md_fn(const OBJ_NAME *nm, void *arg) 18246303Smarkm { 18346303Smarkm struct doall_md *dc = arg; 18446303Smarkm if (nm->alias) 18546303Smarkm dc->fn(NULL, nm->name, nm->data, dc->arg); 18646303Smarkm else 18718316Swollman dc->fn((const EVP_MD *)nm->data, nm->name, NULL, dc->arg); 18818316Swollman } 18918316Swollman 19018316Swollmanvoid EVP_MD_do_all(void (*fn)(const EVP_MD *md, 19118316Swollman const char *from, const char *to, void *x), void *arg) 19218316Swollman { 19318316Swollman struct doall_md dc; 19418316Swollman dc.fn = fn; 19518316Swollman dc.arg = arg; 19618316Swollman OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); 19746303Smarkm } 19846303Smarkm 19946303Smarkmvoid EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *md, 20046303Smarkm const char *from, const char *to, void *x), void *arg) 20146303Smarkm { 20246303Smarkm struct doall_md dc; 20318316Swollman dc.fn = fn; 20446303Smarkm dc.arg = arg; 20518316Swollman OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, do_all_md_fn, &dc); 20646303Smarkm } 20718316Swollman