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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:41:07 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:04 +0200
commit6238cbaec429c98d1a280014839c934107c7c8f6 (patch)
tree8f81fe70579a08068cf8a90ad7a032e3c756b8a9 /crypto
parentf4d663ce6357e533f107ce3789bd8848c94bea81 (diff)
downloadlinux-stericsson-6238cbaec429c98d1a280014839c934107c7c8f6.tar.gz
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')
-rw-r--r--crypto/ahash.c21
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,