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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:41:07 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:24:04 +0200 |
| commit | 6238cbaec429c98d1a280014839c934107c7c8f6 (patch) | |
| tree | 8f81fe70579a08068cf8a90ad7a032e3c756b8a9 /crypto/ahash.c | |
| parent | f4d663ce6357e533f107ce3789bd8848c94bea81 (diff) | |
| download | lwn-6238cbaec429c98d1a280014839c934107c7c8f6.tar.gz lwn-6238cbaec429c98d1a280014839c934107c7c8f6.zip | |
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>
Diffstat (limited to 'crypto/ahash.c')
| -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, |