From 7721a0ff4e42838698ae2ee45f79d7d14741d2c2 Mon Sep 17 00:00:00 2001
From: Herbert Poul <herbert@codeux.design>
Date: Sun, 23 May 2021 23:05:53 +0200
Subject: [PATCH] allow password of composite key be nullable.

---
 lib/src/kdbx_format.dart | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/src/kdbx_format.dart b/lib/src/kdbx_format.dart
index 1d100f2..1fae647 100644
--- a/lib/src/kdbx_format.dart
+++ b/lib/src/kdbx_format.dart
@@ -31,9 +31,9 @@ final _logger = Logger('kdbx.format');
 abstract class Credentials {
   factory Credentials(ProtectedValue password) =>
       Credentials.composite(password, null); //PasswordCredentials(password);
-  factory Credentials.composite(ProtectedValue password, Uint8List? keyFile) =>
+  factory Credentials.composite(ProtectedValue? password, Uint8List? keyFile) =>
       KeyFileComposite(
-        password: PasswordCredentials(password),
+        password: password?.let((that) => PasswordCredentials(that)),
         keyFile: keyFile == null ? null : KeyFileCredentials(keyFile),
       );