diff options
| -rw-r--r-- | crypto/xcbc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/xcbc.c b/crypto/xcbc.c index 1e30b31f33c6..bb7b67fba349 100644 --- a/crypto/xcbc.c +++ b/crypto/xcbc.c @@ -199,6 +199,7 @@ static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb) { struct shash_instance *inst; struct crypto_alg *alg; + unsigned long alignmask; int err; err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH); @@ -228,19 +229,20 @@ static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb) if (err) goto out_free_inst; + alignmask = alg->cra_alignmask | 3; + inst->alg.base.cra_alignmask = alignmask; inst->alg.base.cra_priority = alg->cra_priority; inst->alg.base.cra_blocksize = alg->cra_blocksize; - inst->alg.base.cra_alignmask = alg->cra_alignmask | 3; inst->alg.digestsize = alg->cra_blocksize; inst->alg.descsize = ALIGN(sizeof(struct xcbc_desc_ctx), crypto_tfm_ctx_alignment()) + - (alg->cra_alignmask & + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)) + alg->cra_blocksize * 2; inst->alg.base.cra_ctxsize = ALIGN(sizeof(struct xcbc_tfm_ctx), - alg->cra_alignmask) + + alignmask + 1) + alg->cra_blocksize * 2; inst->alg.base.cra_init = xcbc_init_tfm; inst->alg.base.cra_exit = xcbc_exit_tfm; |