aboutsummaryrefslogtreecommitdiff
path: root/crypto/mcryptd.c
diff options
context:
space:
mode:
authorStephan Mueller <smueller@chronox.de>2015-03-30 22:10:58 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2015-03-31 21:21:13 +0800
commitf52bbf55d1957b9ab279998dd71ed1c89b36e3a7 (patch)
tree27db11a0a8fe9b7745d7667c9528201fa75a77b2 /crypto/mcryptd.c
parentcd98411c36b596f5bd64e7e670c13252ad0852c7 (diff)
downloadlinux-stericsson-f52bbf55d1957b9ab279998dd71ed1c89b36e3a7.tar.gz
crypto: mcryptd - process CRYPTO_ALG_INTERNAL
The mcryptd is used as a wrapper around internal ciphers. Therefore, the mcryptd must process the internal cipher by marking mcryptd as internal if the underlying cipher is an internal cipher. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/mcryptd.c')
-rw-r--r--crypto/mcryptd.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/crypto/mcryptd.c b/crypto/mcryptd.c
index a8e870444ea9..fe5b495a434d 100644
--- a/crypto/mcryptd.c
+++ b/crypto/mcryptd.c
@@ -258,6 +258,20 @@ out_free_inst:
goto out;
}
+static inline void mcryptd_check_internal(struct rtattr **tb, u32 *type,
+ u32 *mask)
+{
+ struct crypto_attr_type *algt;
+
+ algt = crypto_get_attr_type(tb);
+ if (IS_ERR(algt))
+ return;
+ if ((algt->type & CRYPTO_ALG_INTERNAL))
+ *type |= CRYPTO_ALG_INTERNAL;
+ if ((algt->mask & CRYPTO_ALG_INTERNAL))
+ *mask |= CRYPTO_ALG_INTERNAL;
+}
+
static int mcryptd_hash_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_instance *inst = crypto_tfm_alg_instance(tfm);
@@ -480,9 +494,13 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
struct ahash_instance *inst;
struct shash_alg *salg;
struct crypto_alg *alg;
+ u32 type = 0;
+ u32 mask = 0;
int err;
- salg = shash_attr_alg(tb[1], 0, 0);
+ mcryptd_check_internal(tb, &type, &mask);
+
+ salg = shash_attr_alg(tb[1], type, mask);
if (IS_ERR(salg))
return PTR_ERR(salg);
@@ -502,7 +520,10 @@ static int mcryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
if (err)
goto out_free_inst;
- inst->alg.halg.base.cra_flags = CRYPTO_ALG_ASYNC;
+ type = CRYPTO_ALG_ASYNC;
+ if (alg->cra_flags & CRYPTO_ALG_INTERNAL)
+ type |= CRYPTO_ALG_INTERNAL;
+ inst->alg.halg.base.cra_flags = type;
inst->alg.halg.digestsize = salg->digestsize;
inst->alg.halg.base.cra_ctxsize = sizeof(struct mcryptd_hash_ctx);