diff options
Diffstat (limited to 'core/lib/libtomcrypt/src/misc/crypt/crypt_find_cipher.c')
| -rw-r--r-- | core/lib/libtomcrypt/src/misc/crypt/crypt_find_cipher.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/core/lib/libtomcrypt/src/misc/crypt/crypt_find_cipher.c b/core/lib/libtomcrypt/src/misc/crypt/crypt_find_cipher.c new file mode 100644 index 0000000..ddafca8 --- /dev/null +++ b/core/lib/libtomcrypt/src/misc/crypt/crypt_find_cipher.c @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2001-2007, Tom St Denis + * All rights reserved. + * + * 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 above 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER 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. + */ + +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org + */ +#include "tomcrypt.h" + +/** + @file crypt_find_cipher.c + Find a cipher in the descriptor tables, Tom St Denis +*/ + +/** + Find a registered cipher by name + @param name The name of the cipher to look for + @return >= 0 if found, -1 if not present +*/ +int find_cipher(const char *name) +{ + int x; + LTC_ARGCHK(name != NULL); + LTC_MUTEX_LOCK(<c_cipher_mutex); + for (x = 0; x < TAB_SIZE; x++) { + if (cipher_descriptor[x] != NULL && !XSTRCMP(cipher_descriptor[x]->name, name)) { + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return x; + } + } + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return -1; +} + + +/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_cipher.c,v $ */ +/* $Revision: 1.7 $ */ +/* $Date: 2006/12/28 01:27:24 $ */ |