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Diffstat (limited to 'crypto/vmac.c')
-rw-r--r--crypto/vmac.c44
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,
};