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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:26:10 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:04 +0200
commitf4d663ce6357e533f107ce3789bd8848c94bea81 (patch)
treedededa6ed501f8d6a0d141c4c94b72ec2395ea2c /crypto
parent6c5a86f529a9e9ca4c9aca5fa477e9557d4a3d3d (diff)
downloadlinux-stericsson-f4d663ce6357e533f107ce3789bd8848c94bea81.tar.gz
crypto: Add userspace report for shash 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/shash.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 76f74b963151..ea8a9c6e21e3 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -17,6 +17,8 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
#include "internal.h"
@@ -522,6 +524,24 @@ static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
return alg->cra_ctxsize;
}
+static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_hash rhash;
+ struct shash_alg *salg = __crypto_shash_alg(alg);
+
+ snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "shash");
+ rhash.blocksize = alg->cra_blocksize;
+ rhash.digestsize = salg->digestsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
+ sizeof(struct crypto_report_hash), &rhash);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
@@ -541,6 +561,7 @@ static const struct crypto_type crypto_shash_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_shash_show,
#endif
+ .report = crypto_shash_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_MASK,
.type = CRYPTO_ALG_TYPE_SHASH,