refactor some classes and files and add a test for catch block to test sonarcloud coverage

Author: Romanicus

csharp_cryptoexamples/src/ExampleExampleStringEncryptionPasswordBased.cs

@@ -23,7 +23,7 @@ public static String DemonstrateStringEncryptionPasswordBased(String plainText,
                 {
                     //----------------------------Encrypt----------------------------
                     //If no password is provided througth the user, use the generated key from the AesManaged class.
-                    if (password != null && password.Length != 0)
+                    if (!string.IsNullOrEmpty(password))
                     {
                         //Generating random salt
                         byte[] salt = new byte[32];

…toexamples/src/ExampleHashInOneMethod.cs …arp_cryptoexamples/src/ExampleHashing.cscsharp_cryptoexamples/src/ExampleHashInOneMethod.cs renamed to csharp_cryptoexamples/src/ExampleHashing.cs csharp_cryptoexamples/src/ExampleHashInOneMethod.cs renamed to csharp_cryptoexamples/src/ExampleHashing.cs

@@ -5,7 +5,7 @@
 
 namespace com.cryptoexamples.csharp
 {
-    public static class ExampleSigning
+    public static class ExampleSignature
     {
         public static void Main()
         {

csharp_cryptoexamples/src/ExampleSignature.cs

@@ -5,7 +5,7 @@
 
 namespace com.cryptoexamples.csharp
 {
-    public static class ExampleStringEncryptionKeyBasedInOneMethod
+    public static class ExampleStringEncryptionKeyBased
     {
         public static void Main()
         {

csharp_cryptoexamples/src/ExampleStringEncryptionKeyBased.cs

@@ -1,12 +1,14 @@
 using System;
 using System.Security.Cryptography;
+using Serilog;
 
 namespace csharp_cryptoexamples.src
 {
     public static class ExmapleKeyStorageProvider
     {
         public static void Main()
         {
+            Log.Logger = new LoggerConfiguration().WriteTo.Console().CreateLogger();
             DemonstrateKeyStorage("MyKeyContainerName");
         }
 
@@ -29,10 +31,18 @@ public static RSACryptoServiceProvider DemonstrateKeyStorage(String ContainerNam
                 KeyContainerName = ContainerName
             };
 
-            // Create a new instance of RSACryptoServiceProvider that accesses  
-            // the key container MyKeyContainerName.  
-            RSACryptoServiceProvider rsa2 = new RSACryptoServiceProvider(getParametersFromKSP);
+            RSACryptoServiceProvider rsa2 = null;
 
+            try
+            {
+                // Create a new instance of RSACryptoServiceProvider that accesses  
+                // the key container MyKeyContainerName.  
+                rsa2 = new RSACryptoServiceProvider(getParametersFromKSP);
+            }
+            catch (Exception e)
+            {
+                Log.Error(e.Message);
+            }
             return rsa2;
         }
     }

csharp_cryptoexamples/src/ExmapleKeyStorageProvider.cs

@@ -34,6 +34,8 @@ public void StringEncryptionPasswordBasedTest()
             // Basic test if encryption and decryption is working.
             ExampleStringEncryptionPasswordBased.Main();
             Assert.Contains("They are the same: True", outMessage.ToString());
+            ExampleStringEncryptionPasswordBased.DemonstrateStringEncryptionPasswordBased(null, null);
+            Assert.Contains("Error", outMessage.ToString());
         }
 
         [Fact]
@@ -54,7 +56,7 @@ public void HashingTest()
         public void SigningTest()
         {
             Refresh();
-            ExampleSigning.Main();
+            ExampleSignature.Main();
             Assert.Contains("The data was verified.", outMessage.ToString());
         }
 
@@ -63,7 +65,7 @@ public void StringEncryptionKeyBasedTest()
         {
             Refresh();
             // Basic test if encryption and decryption is working.
-            ExampleStringEncryptionKeyBasedInOneMethod.Main();
+            ExampleStringEncryptionKeyBased.Main();
             Assert.Contains("They are the same: True", outMessage.ToString());
         }