| /* 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://libtomcrypt.com |
| */ |
| #include "tomcrypt.h" |
| |
| /** |
| @file crypt_unregister_cipher.c |
| Unregister a cipher, Tom St Denis |
| */ |
| |
| /** |
| Unregister a cipher from the descriptor table |
| @param cipher The cipher descriptor to remove |
| @return CRYPT_OK on success |
| */ |
| int unregister_cipher(const struct ltc_cipher_descriptor *cipher) |
| { |
| int x; |
| |
| LTC_ARGCHK(cipher != NULL); |
| |
| /* is it already registered? */ |
| LTC_MUTEX_LOCK(<c_cipher_mutex); |
| for (x = 0; x < TAB_SIZE; x++) { |
| if (XMEMCMP(&cipher_descriptor[x], cipher, sizeof(struct ltc_cipher_descriptor)) == 0) { |
| cipher_descriptor[x].name = NULL; |
| cipher_descriptor[x].ID = 255; |
| LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
| return CRYPT_OK; |
| } |
| } |
| LTC_MUTEX_UNLOCK(<c_cipher_mutex); |
| return CRYPT_ERROR; |
| } |
| |
| /* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_unregister_cipher.c,v $ */ |
| /* $Revision: 1.6 $ */ |
| /* $Date: 2006/11/01 09:28:17 $ */ |