From 4fe144c8b1105c53b3a39073c6072f538b9e39ca Mon Sep 17 00:00:00 2001
From: Pilzinsel64 <pilzinsel64@gmx.de>
Date: Thu, 26 Nov 2020 12:35:36 +0100
Subject: [PATCH] raise events on error

---
 Pilz.Cryptography/AESStringCrypter.cs      | 9 +++++++--
 Pilz.Cryptography/Pilz.Cryptography.csproj | 3 +++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Pilz.Cryptography/AESStringCrypter.cs b/Pilz.Cryptography/AESStringCrypter.cs
index 54afc8c..4f66c01 100644
--- a/Pilz.Cryptography/AESStringCrypter.cs
+++ b/Pilz.Cryptography/AESStringCrypter.cs
@@ -9,6 +9,7 @@ namespace Pilz.Cryptography
     public class AESStringCrypter : ICrypter
     {
         public delegate void AESStringCrypterEventHandler(AESStringCrypter sender);
+        public delegate void AESStringCrypterErrorEventHandler(AESStringCrypter sender, Exception exception);
 
         /// <summary>
         /// This event throws if no key and no default key was found. You can now provide a key or default key (maybe depending on the given instance). If no value is provided, a default key will be created.
@@ -18,6 +19,8 @@ namespace Pilz.Cryptography
         /// This event throws if no IV and no default IV was found. You can now provide a IV or default IV (maybe depending on the given instance). If no value is provided, a default IV will be created.
         /// </summary>
         public static event AESStringCrypterEventHandler NeedIV;
+        public static event AESStringCrypterErrorEventHandler ErrorAtDecrypting;
+        public static event AESStringCrypterErrorEventHandler ErrorAtEncrypting;
 
         private byte[] key = new byte[] { };
         private byte[] iv = new byte[] { };
@@ -69,8 +72,9 @@ namespace Pilz.Cryptography
             {
                 return DecryptStringFromBytes_Aes(Convert.FromBase64String(encryptedValue), GetKey(), GetIV());
             }
-            catch (CryptographicException)
+            catch (Exception ex)
             {
+                ErrorAtDecrypting?.Invoke(this, ex);
                 return string.Empty;
             }
         }
@@ -87,8 +91,9 @@ namespace Pilz.Cryptography
             {
                 return Convert.ToBase64String(EncryptStringToBytes_Aes(plainValue, GetKey(), GetIV()));
             }
-            catch (CryptographicException)
+            catch (Exception ex)
             {
+                ErrorAtEncrypting?.Invoke(this, ex);
                 return string.Empty;
             }
         }
diff --git a/Pilz.Cryptography/Pilz.Cryptography.csproj b/Pilz.Cryptography/Pilz.Cryptography.csproj
index 6d5344e..d097b9d 100644
--- a/Pilz.Cryptography/Pilz.Cryptography.csproj
+++ b/Pilz.Cryptography/Pilz.Cryptography.csproj
@@ -5,6 +5,9 @@
     <Product>Pilz.Cryptography</Product>
     <Copyright>Copyright ©  2020</Copyright>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <DocumentationFile>D:\repos\Pilz\Pilz.Cryptography\Pilz.Cryptography.xml</DocumentationFile>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="System.Management" Version="4.7.0" />
     <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />