From e833e484212400eeb5c8f75e42cf5b48a2c669a7 Mon Sep 17 00:00:00 2001
From: Pilzinsel64 <pilzinsel64@gmx.de>
Date: Thu, 26 Nov 2020 12:01:28 +0100
Subject: [PATCH] try decrypt

---
 Pilz.Cryptography/AESStringCrypter.cs | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Pilz.Cryptography/AESStringCrypter.cs b/Pilz.Cryptography/AESStringCrypter.cs
index 5f3e018..54afc8c 100644
--- a/Pilz.Cryptography/AESStringCrypter.cs
+++ b/Pilz.Cryptography/AESStringCrypter.cs
@@ -65,7 +65,14 @@ namespace Pilz.Cryptography
 
         public string Decrypt(string encryptedValue)
         {
-            return DecryptStringFromBytes_Aes(Convert.FromBase64String(encryptedValue), GetKey(), GetIV());
+            try
+            {
+                return DecryptStringFromBytes_Aes(Convert.FromBase64String(encryptedValue), GetKey(), GetIV());
+            }
+            catch (CryptographicException)
+            {
+                return string.Empty;
+            }
         }
 
         public static string Decrypt(string encryptedValue, string key, string iv)
@@ -76,7 +83,14 @@ namespace Pilz.Cryptography
 
         public string Encrypt(string plainValue)
         {
-            return Convert.ToBase64String(EncryptStringToBytes_Aes(plainValue, GetKey(), GetIV()));
+            try
+            {
+                return Convert.ToBase64String(EncryptStringToBytes_Aes(plainValue, GetKey(), GetIV()));
+            }
+            catch (CryptographicException)
+            {
+                return string.Empty;
+            }
         }
 
         public static string Encrypt(string plainValue, string key, string iv)