From 568e9a407f12b47476f07afcbc873af5fe08032c Mon Sep 17 00:00:00 2001
From: Vishesh Handa <me@vhanda.in>
Date: Sun, 15 Nov 2020 00:50:33 +0100
Subject: [PATCH] RsaKeyPair: Improve isValid

---
 lib/ssh/rsa_key_pair.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/ssh/rsa_key_pair.dart b/lib/ssh/rsa_key_pair.dart
index f7ce45ef..12473bc6 100644
--- a/lib/ssh/rsa_key_pair.dart
+++ b/lib/ssh/rsa_key_pair.dart
@@ -72,6 +72,9 @@ class RsaKeyPair {
 
   // Tries to encrypt and decrypt
   bool isValid() {
+    if (publicKey == null || privateKey == null) {
+      return false;
+    }
     var orig = 'word';
     var enc = publicKey.encrypt(orig);
     var dec = privateKey.decrypt(enc);