diff options
| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:41:07 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-12-21 01:54:15 +0100 |
| commit | 9b295d0538ec3ad5e9f3569966268898c26b0c21 (patch) | |
| tree | c2f46b6939b78014054c3a896fa0689adfb15d65 | |
| parent | e14dbb5781453133d564b420de03759999108590 (diff) | |
crypto: Add userspace report for ahash type algorithms
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 6238cbaec429c98d1a280014839c934107c7c8f6)
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
| -rw-r--r-- | crypto/ahash.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index f669822a7a44..a3e6ef99394a 100644 --- a/crypto/ahash.c +++ b/crypto/ahash.c @@ -21,6 +21,8 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/seq_file.h> +#include <linux/cryptouser.h> +#include <net/netlink.h> #include "internal.h" @@ -397,6 +399,24 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg) return sizeof(struct crypto_shash *); } +static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_hash rhash; + + snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash"); + + rhash.blocksize = alg->cra_blocksize; + rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH, + sizeof(struct crypto_report_hash), &rhash); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) @@ -415,6 +435,7 @@ const struct crypto_type crypto_ahash_type = { #ifdef CONFIG_PROC_FS .show = crypto_ahash_show, #endif + .report = crypto_ahash_report, .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_AHASH_MASK, .type = CRYPTO_ALG_TYPE_AHASH, |