diff options
| -rw-r--r-- | crypto/ctr.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/crypto/ctr.c b/crypto/ctr.c index a4f4a89..477d922 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -181,15 +181,24 @@ static void crypto_ctr_exit_tfm(struct crypto_tfm *tfm) static struct crypto_instance *crypto_ctr_alloc(struct rtattr **tb) { struct crypto_instance *inst; + struct crypto_attr_type *algt; struct crypto_alg *alg; + u32 mask; int err; err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER); if (err) return ERR_PTR(err); - alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER, - CRYPTO_ALG_TYPE_MASK); + algt = crypto_get_attr_type(tb); + if (IS_ERR(algt)) + return ERR_CAST(algt); + + mask = CRYPTO_ALG_TYPE_MASK | + crypto_requires_off(algt->type, algt->mask, + CRYPTO_ALG_NEED_FALLBACK); + + alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_CIPHER, mask); if (IS_ERR(alg)) return ERR_CAST(alg); @@ -350,6 +359,8 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl, struct skcipher_alg *alg; struct crypto_skcipher_spawn *spawn; const char *cipher_name; + u32 mask; + int err; algt = crypto_get_attr_type(tb); @@ -367,12 +378,14 @@ static int crypto_rfc3686_create(struct crypto_template *tmpl, if (!inst) return -ENOMEM; + mask = crypto_requires_sync(algt->type, algt->mask) | + crypto_requires_off(algt->type, algt->mask, + CRYPTO_ALG_NEED_FALLBACK); + spawn = skcipher_instance_ctx(inst); crypto_set_skcipher_spawn(spawn, skcipher_crypto_instance(inst)); - err = crypto_grab_skcipher(spawn, cipher_name, 0, - crypto_requires_sync(algt->type, - algt->mask)); + err = crypto_grab_skcipher(spawn, cipher_name, 0, mask); if (err) goto err_free_inst; |
