iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

crypto: authenc - Only access common skcipher fields on spawn

Browse Source 
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 11:43:23 +08:00
parent 3c45b57804
commit cae3304330
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
crypto/authenc.c
View File

@ -373,9 +373,9 @@ static int crypto_authenc_create(struct crypto_template *tmpl,
u32 mask;
struct aead_instance *inst;
struct authenc_instance_ctx *ctx;
struct skcipher_alg_common *enc;
struct hash_alg_common *auth;
struct crypto_alg *auth_base;
struct skcipher_alg *enc;
int err;
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_AEAD, &mask);
@ -398,7 +398,7 @@ static int crypto_authenc_create(struct crypto_template *tmpl,
crypto_attr_alg_name(tb[2]), 0, mask);
if (err)
goto err_free_inst;
enc = crypto_spawn_skcipher_alg(&ctx->enc);
enc = crypto_spawn_skcipher_alg_common(&ctx->enc);
ctx->reqoff = ALIGN(2 * auth->digestsize + auth_base->cra_alignmask,
auth_base->cra_alignmask + 1);
@ -422,8 +422,8 @@ static int crypto_authenc_create(struct crypto_template *tmpl,
enc->base.cra_alignmask;
inst->alg.base.cra_ctxsize = sizeof(struct crypto_authenc_ctx);
inst->alg.ivsize = crypto_skcipher_alg_ivsize(enc);
inst->alg.chunksize = crypto_skcipher_alg_chunksize(enc);
inst->alg.ivsize = enc->ivsize;
inst->alg.chunksize = enc->chunksize;
inst->alg.maxauthsize = auth->digestsize;
inst->alg.init = crypto_authenc_init_tfm;