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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:44:27 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:06 +0200
commit6ad414fe710d4fd3a8c8c6c2ad8fefcfcc207968 (patch)
tree965521c6a921338d59f3a7ec3de204ab2ebf3d22 /crypto
parent3e29c1095a091f606a26c04a6542061c9e5f1d6b (diff)
downloadlinux-stericsson-6ad414fe710d4fd3a8c8c6c2ad8fefcfcc207968.tar.gz
crypto: Add userspace report for aead 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/aead.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/crypto/aead.c b/crypto/aead.c
index 6729e8ff68e7..bb641bd0285b 100644
--- a/crypto/aead.c
+++ b/crypto/aead.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"
@@ -109,6 +111,28 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
return 0;
}
+static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_aead raead;
+ struct aead_alg *aead = &alg->cra_aead;
+
+ snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead");
+ snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+ aead->geniv ?: "<built-in>");
+
+ raead.blocksize = alg->cra_blocksize;
+ raead.maxauthsize = aead->maxauthsize;
+ raead.ivsize = aead->ivsize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_AEAD,
+ sizeof(struct crypto_report_aead), &raead);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
@@ -130,6 +154,7 @@ const struct crypto_type crypto_aead_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_aead_show,
#endif
+ .report = crypto_aead_report,
};
EXPORT_SYMBOL_GPL(crypto_aead_type);