Add features support to af_alg plugin

src/libstrongswan/plugins/af_alg/af_alg_hasher.c

@@ -46,7 +46,7 @@ static struct {
 	hash_algorithm_t id;
 	char *name;
 	size_t size;
-} algs[] = {
+} algs[AF_ALG_HASHER] = {
 	{HASH_SHA1,			"sha1",			HASH_SIZE_SHA1		},
 	{HASH_MD5,			"md5",			HASH_SIZE_MD5 		},
 	{HASH_SHA224,		"sha224",		HASH_SIZE_SHA224	},
@@ -59,7 +59,7 @@ static struct {
 /**
  * See header.
  */
-void af_alg_hasher_probe(char *plugin)
+void af_alg_hasher_probe(plugin_feature_t *features, int *pos)
 {
 	af_alg_ops_t *ops;
 	int i;
@@ -70,8 +70,7 @@ void af_alg_hasher_probe(char *plugin)
 		if (ops)
 		{
 			ops->destroy(ops);
-			lib->crypto->add_hasher(lib->crypto, algs[i].id, plugin,
-							(hasher_constructor_t)af_alg_hasher_create);
+			features[(*pos)++] = PLUGIN_PROVIDE(HASHER, algs[i].id);
 		}
 	}
 }