diff options
Diffstat (limited to 'crypto/vmac.c')
-rw-r--r-- | crypto/vmac.c | 44 |
1 files changed, 20 insertions, 24 deletions
diff --git a/crypto/vmac.c b/crypto/vmac.c index f50a85060b39..2d906830df96 100644 --- a/crypto/vmac.c +++ b/crypto/vmac.c @@ -435,10 +435,8 @@ static int vmac_setkey(struct crypto_shash *tfm, unsigned int i; int err; - if (keylen != VMAC_KEY_LEN) { - crypto_shash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); + if (keylen != VMAC_KEY_LEN) return -EINVAL; - } err = crypto_cipher_setkey(tctx->cipher, key, keylen); if (err) @@ -598,7 +596,7 @@ static int vmac_final(struct shash_desc *desc, u8 *out) static int vmac_init_tfm(struct crypto_tfm *tfm) { struct crypto_instance *inst = crypto_tfm_alg_instance(tfm); - struct crypto_spawn *spawn = crypto_instance_ctx(inst); + struct crypto_cipher_spawn *spawn = crypto_instance_ctx(inst); struct vmac_tfm_ctx *tctx = crypto_tfm_ctx(tfm); struct crypto_cipher *cipher; @@ -620,6 +618,7 @@ static void vmac_exit_tfm(struct crypto_tfm *tfm) static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb) { struct shash_instance *inst; + struct crypto_cipher_spawn *spawn; struct crypto_alg *alg; int err; @@ -627,25 +626,24 @@ static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) return err; - alg = crypto_get_attr_alg(tb, CRYPTO_ALG_TYPE_CIPHER, - CRYPTO_ALG_TYPE_MASK); - if (IS_ERR(alg)) - return PTR_ERR(alg); + inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL); + if (!inst) + return -ENOMEM; + spawn = shash_instance_ctx(inst); + + err = crypto_grab_cipher(spawn, shash_crypto_instance(inst), + crypto_attr_alg_name(tb[1]), 0, 0); + if (err) + goto err_free_inst; + alg = crypto_spawn_cipher_alg(spawn); err = -EINVAL; if (alg->cra_blocksize != VMAC_NONCEBYTES) - goto out_put_alg; + goto err_free_inst; - inst = shash_alloc_instance(tmpl->name, alg); - err = PTR_ERR(inst); - if (IS_ERR(inst)) - goto out_put_alg; - - err = crypto_init_spawn(shash_instance_ctx(inst), alg, - shash_crypto_instance(inst), - CRYPTO_ALG_TYPE_MASK); + err = crypto_inst_setname(shash_crypto_instance(inst), tmpl->name, alg); if (err) - goto out_free_inst; + goto err_free_inst; inst->alg.base.cra_priority = alg->cra_priority; inst->alg.base.cra_blocksize = alg->cra_blocksize; @@ -662,21 +660,19 @@ static int vmac_create(struct crypto_template *tmpl, struct rtattr **tb) inst->alg.final = vmac_final; inst->alg.setkey = vmac_setkey; + inst->free = shash_free_singlespawn_instance; + err = shash_register_instance(tmpl, inst); if (err) { -out_free_inst: - shash_free_instance(shash_crypto_instance(inst)); +err_free_inst: + shash_free_singlespawn_instance(inst); } - -out_put_alg: - crypto_mod_put(alg); return err; } static struct crypto_template vmac64_tmpl = { .name = "vmac64", .create = vmac_create, - .free = shash_free_instance, .module = THIS_MODULE, }; |