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| author | Stephan Mueller <smueller@chronox.de> | 2015-03-30 23:10:58 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-03-31 16:21:13 +0300 |
| commit | f52bbf55d1957b9ab279998dd71ed1c89b36e3a7 (patch) | |
| tree | 27db11a0a8fe9b7745d7667c9528201fa75a77b2 | |
| parent | cd98411c36b596f5bd64e7e670c13252ad0852c7 (diff) | |
| download | linux-f52bbf55d1957b9ab279998dd71ed1c89b36e3a7.tar.xz | |
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>
| -rw-r--r-- | crypto/mcryptd.c | 25 |
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); |