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crypto: hctr2 - Only access common skcipher fields on spawn

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As skcipher spawns may be of the type lskcipher, only the common
fields may be accessed.  This was already the case but use the
correct helpers to make this more obvious.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2023-10-03 11:43:30 +08:00
parent 712c22aa59
commit c4c6bb6e79
1 changed files with 4 additions and 4 deletions
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8
crypto/hctr2.c
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@ -406,10 +406,10 @@ static int hctr2_create_common(struct crypto_template *tmpl,
const char *xctr_name,
const char *polyval_name)
{
struct skcipher_alg_common *xctr_alg;
u32 mask;
struct skcipher_instance *inst;
struct hctr2_instance_ctx *ictx;
struct skcipher_alg *xctr_alg;
struct crypto_alg *blockcipher_alg;
struct shash_alg *polyval_alg;
char blockcipher_name[CRYPTO_MAX_ALG_NAME];
@ -431,7 +431,7 @@ static int hctr2_create_common(struct crypto_template *tmpl,
xctr_name, 0, mask);
if (err)
goto err_free_inst;
xctr_alg = crypto_spawn_skcipher_alg(&ictx->xctr_spawn);
xctr_alg = crypto_spawn_skcipher_alg_common(&ictx->xctr_spawn);
err = -EINVAL;
if (strncmp(xctr_alg->base.cra_name, "xctr(", 5))
@ -500,8 +500,8 @@ static int hctr2_create_common(struct crypto_template *tmpl,
inst->alg.decrypt = hctr2_decrypt;
inst->alg.init = hctr2_init_tfm;
inst->alg.exit = hctr2_exit_tfm;
inst->alg.min_keysize = crypto_skcipher_alg_min_keysize(xctr_alg);
inst->alg.max_keysize = crypto_skcipher_alg_max_keysize(xctr_alg);
inst->alg.min_keysize = xctr_alg->min_keysize;
inst->alg.max_keysize = xctr_alg->max_keysize;
inst->alg.ivsize = TWEAK_SIZE;
inst->free = hctr2_free_instance;