hasher: Add filter function for algorithms permitted by RFC 7427

2015-03-04 13:54:08 +01:00
parent 4f9e1c49eb
commit 247eadb73d
2 changed files with 30 additions and 0 deletions
@@ -248,6 +248,28 @@ integrity_algorithm_t hasher_algorithm_to_integrity(hash_algorithm_t alg,
 	return AUTH_UNDEFINED;
 }

+/*
+ * Described in header.
+ */
+bool hasher_algorithm_for_ikev2(hash_algorithm_t alg)
+{
+	switch (alg)
+	{
+		case HASH_SHA1:
+		case HASH_SHA256:
+		case HASH_SHA384:
+		case HASH_SHA512:
+			return TRUE;
+		case HASH_UNKNOWN:
+		case HASH_MD2:
+		case HASH_MD4:
+		case HASH_MD5:
+		case HASH_SHA224:
+			break;
+	}
+	return FALSE;
+}
+
 /*
 * Described in header.
 */