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 @@ | |||
1 | /* LibTomCrypt, modular cryptographic library -- Tom St Denis | ||
2 | * | ||
3 | * LibTomCrypt is a library that provides various cryptographic | ||
4 | * algorithms in a highly modular and flexible manner. | ||
5 | * | ||
6 | * The library is free for all purposes without any express | ||
7 | * guarantee it works. | ||
8 | */ | ||
9 | #include "tomcrypt.h" | ||
10 | |||
11 | /** | ||
12 | @file crypt_cipher_is_valid.c | ||
13 | Determine if cipher is valid, Tom St Denis | ||
14 | */ | ||
15 | |||
16 | /* | ||
17 | Test if a cipher index is valid | ||
18 | @param idx The index of the cipher to search for | ||
19 | @return CRYPT_OK if valid | ||
20 | */ | ||
21 | int cipher_is_valid(int idx) | ||
22 | { | ||
23 | LTC_MUTEX_LOCK(<c_cipher_mutex); | ||
24 | if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) { | ||
25 | LTC_MUTEX_UNLOCK(<c_cipher_mutex); | ||
26 | return CRYPT_INVALID_CIPHER; | ||
27 | } | ||
28 | LTC_MUTEX_UNLOCK(<c_cipher_mutex); | ||
29 | return CRYPT_OK; | ||
30 | } | ||
31 | |||
32 | /* ref: HEAD -> master, tag: v1.18.2 */ | ||
33 | /* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ | ||
34 | /* commit time: 2018-07-01 22:49:01 +0200 */ | ||