diff options
Diffstat (limited to 'fs/ubifs/auth.c')
| -rw-r--r-- | fs/ubifs/auth.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c index 0d561ecb68..a4a0158f71 100644 --- a/fs/ubifs/auth.c +++ b/fs/ubifs/auth.c @@ -18,7 +18,7 @@ #include "ubifs.h" /** - * ubifs_node_calc_hash - calculate the hash of a UBIFS node + * __ubifs_node_calc_hash - calculate the hash of a UBIFS node * @c: UBIFS file-system description object * @node: the node to calculate a hash for * @hash: the returned hash @@ -507,28 +507,13 @@ out: */ int ubifs_hmac_wkm(struct ubifs_info *c, u8 *hmac) { - SHASH_DESC_ON_STACK(shash, c->hmac_tfm); - int err; const char well_known_message[] = "UBIFS"; if (!ubifs_authenticated(c)) return 0; - shash->tfm = c->hmac_tfm; - - err = crypto_shash_init(shash); - if (err) - return err; - - err = crypto_shash_update(shash, well_known_message, - sizeof(well_known_message) - 1); - if (err < 0) - return err; - - err = crypto_shash_final(shash, hmac); - if (err) - return err; - return 0; + return crypto_shash_tfm_digest(c->hmac_tfm, well_known_message, + sizeof(well_known_message) - 1, hmac); } /* |