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crypto: authenc - stop using alignmask of ahash 

Now that the alignmask for ahash and shash algorithms is always 0,
simplify the code in authenc accordingly.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2023-10-22 01:10:45 -07:00 committed by Herbert Xu
parent c626910f3f
commit 58e4bb5f16
1 changed files with 2 additions and 10 deletions
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12
crypto/authenc.c
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@ -141,9 +141,6 @@ static int crypto_authenc_genicv(struct aead_request *req, unsigned int flags)
u8 *hash = areq_ctx->tail;
int err;
hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth),
crypto_ahash_alignmask(auth) + 1);
ahash_request_set_tfm(ahreq, auth);
ahash_request_set_crypt(ahreq, req->dst, hash,
req->assoclen + req->cryptlen);
@ -286,9 +283,6 @@ static int crypto_authenc_decrypt(struct aead_request *req)
u8 *hash = areq_ctx->tail;
int err;
hash = (u8 *)ALIGN((unsigned long)hash + crypto_ahash_alignmask(auth),
crypto_ahash_alignmask(auth) + 1);
ahash_request_set_tfm(ahreq, auth);
ahash_request_set_crypt(ahreq, req->src, hash,
req->assoclen + req->cryptlen - authsize);
@ -400,8 +394,7 @@ static int crypto_authenc_create(struct crypto_template *tmpl,
goto err_free_inst;
enc = crypto_spawn_skcipher_alg_common(&ctx->enc);
ctx->reqoff = ALIGN(2 * auth->digestsize + auth_base->cra_alignmask,
auth_base->cra_alignmask + 1);
ctx->reqoff = 2 * auth->digestsize;
err = -ENAMETOOLONG;
if (snprintf(inst->alg.base.cra_name, CRYPTO_MAX_ALG_NAME,
@ -418,8 +411,7 @@ static int crypto_authenc_create(struct crypto_template *tmpl,
inst->alg.base.cra_priority = enc->base.cra_priority * 10 +
auth_base->cra_priority;
inst->alg.base.cra_blocksize = enc->base.cra_blocksize;
inst->alg.base.cra_alignmask = auth_base->cra_alignmask |
enc->base.cra_alignmask;
inst->alg.base.cra_alignmask = enc->base.cra_alignmask;
inst->alg.base.cra_ctxsize = sizeof(struct crypto_authenc_ctx);
inst->alg.ivsize = enc->ivsize;