diff options
Diffstat (limited to 'utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c')
-rw-r--r-- | utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c b/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c new file mode 100644 index 0000000000..2ba32bf5e8 --- /dev/null +++ b/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c @@ -0,0 +1,34 @@ +/* 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. + */ +#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; +} + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ |