diff options
Diffstat (limited to 'crypto/ccm.c')
| -rw-r--r-- | crypto/ccm.c | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/crypto/ccm.c b/crypto/ccm.c index d1fb01bbc814..494d70901186 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -447,7 +447,6 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, const char *ctr_name, const char *mac_name) { - struct crypto_attr_type *algt; u32 mask; struct aead_instance *inst; struct ccm_instance_ctx *ictx; @@ -455,14 +454,9 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, struct hash_alg_common *mac; int err; - algt = crypto_get_attr_type(tb); - if (IS_ERR(algt)) - return PTR_ERR(algt); - - if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask) - return -EINVAL; - - mask = crypto_requires_sync(algt->type, algt->mask); + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask); + if (err) + return err; inst = kzalloc(sizeof(*inst) + sizeof(*ictx), GFP_KERNEL); if (!inst) @@ -470,7 +464,7 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, ictx = aead_instance_ctx(inst); err = crypto_grab_ahash(&ictx->mac, aead_crypto_instance(inst), - mac_name, 0, CRYPTO_ALG_ASYNC); + mac_name, 0, mask | CRYPTO_ALG_ASYNC); if (err) goto err_free_inst; mac = crypto_spawn_ahash_alg(&ictx->mac); @@ -507,7 +501,6 @@ static int crypto_ccm_create_common(struct crypto_template *tmpl, mac->base.cra_driver_name) >= CRYPTO_MAX_ALG_NAME) goto err_free_inst; - inst->alg.base.cra_flags = ctr->base.cra_flags & CRYPTO_ALG_ASYNC; inst->alg.base.cra_priority = (mac->base.cra_priority + ctr->base.cra_priority) / 2; inst->alg.base.cra_blocksize = 1; @@ -712,21 +705,15 @@ static void crypto_rfc4309_free(struct aead_instance *inst) static int crypto_rfc4309_create(struct crypto_template *tmpl, struct rtattr **tb) { - struct crypto_attr_type *algt; u32 mask; struct aead_instance *inst; struct crypto_aead_spawn *spawn; struct aead_alg *alg; int err; - algt = crypto_get_attr_type(tb); - if (IS_ERR(algt)) - return PTR_ERR(algt); - - if ((algt->type ^ CRYPTO_ALG_TYPE_AEAD) & algt->mask) - return -EINVAL; - - mask = crypto_requires_sync(algt->type, algt->mask); + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask); + if (err) + return err; inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); if (!inst) @@ -759,7 +746,6 @@ static int crypto_rfc4309_create(struct crypto_template *tmpl, CRYPTO_MAX_ALG_NAME) goto err_free_inst; - inst->alg.base.cra_flags = alg->base.cra_flags & CRYPTO_ALG_ASYNC; inst->alg.base.cra_priority = alg->base.cra_priority; inst->alg.base.cra_blocksize = 1; inst->alg.base.cra_alignmask = alg->base.cra_alignmask; @@ -878,9 +864,10 @@ static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) struct shash_instance *inst; struct crypto_cipher_spawn *spawn; struct crypto_alg *alg; + u32 mask; int err; - err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH); + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH, &mask); if (err) return err; @@ -890,7 +877,7 @@ static int cbcmac_create(struct crypto_template *tmpl, struct rtattr **tb) spawn = shash_instance_ctx(inst); err = crypto_grab_cipher(spawn, shash_crypto_instance(inst), - crypto_attr_alg_name(tb[1]), 0, 0); + crypto_attr_alg_name(tb[1]), 0, mask); if (err) goto err_free_inst; alg = crypto_spawn_cipher_alg(spawn); |