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| author | Eric Biggers <ebiggers@google.com> | 2023-10-22 01:10:45 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-10-27 18:04:29 +0800 |
| commit | 58e4bb5f16e7b643f7ee5d30cd355cefb44b2da9 (patch) | |
| tree | 0959606dd9b8adb0d7653cab0eb3bb9ad4ff25f4 /crypto | |
| parent | c626910f3f1bbce6ad18bc613d895d2a089ed95e (diff) | |
| download | lwn-58e4bb5f16e7b643f7ee5d30cd355cefb44b2da9.tar.gz lwn-58e4bb5f16e7b643f7ee5d30cd355cefb44b2da9.zip | |
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>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/authenc.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c index fa896ab143bd..3aaf3ab4e360 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -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; |