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+/* 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);
+ }