37 lines
902 B
C
37 lines
902 B
C
|
/* 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_cipher_is_valid.c
|
||
|
|
Determine if cipher is valid, Tom St Denis
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
Test if a cipher index is valid
|
||
|
|
@param idx The index of the cipher to search for
|
||
|
|
@return CRYPT_OK if valid
|
||
|
|
*/
|
||
|
|
int cipher_is_valid(int idx)
|
||
|
|
{
|
||
|
|
LTC_MUTEX_LOCK(<c_cipher_mutex);
|
||
|
|
if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) {
|
||
|
|
LTC_MUTEX_UNLOCK(<c_cipher_mutex);
|
||
|
|
return CRYPT_INVALID_CIPHER;
|
||
|
|
}
|
||
|
|
LTC_MUTEX_UNLOCK(<c_cipher_mutex);
|
||
|
|
return CRYPT_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* $Source$ */
|
||
|
|
/* $Revision$ */
|
||
|
|
/* $Date$ */
|