From 3d0ea1389f4ac2024e4b3cbad7a2d579cd291fdb Mon Sep 17 00:00:00 2001
From: Roy Ben Shabat <Roy.mail.net@gmail.com>
Date: Wed, 18 Nov 2020 06:10:56 +0200
Subject: Added DISABLED for TANGO_VERSIONS. Added ACTIVATION_KEY for MACHINE.
 Added activation key generation for ms designer.

---
 .../Tango.Core/Cryptography/PasswordGenerator.cs   | 79 ++++++++++++++++++++++
 .../Visual_Studio/Tango.Core/Tango.Core.csproj     |  3 +-
 2 files changed, 81 insertions(+), 1 deletion(-)
 create mode 100644 Software/Visual_Studio/Tango.Core/Cryptography/PasswordGenerator.cs

(limited to 'Software/Visual_Studio/Tango.Core')

diff --git a/Software/Visual_Studio/Tango.Core/Cryptography/PasswordGenerator.cs b/Software/Visual_Studio/Tango.Core/Cryptography/PasswordGenerator.cs
new file mode 100644
index 000000000..50f59b744
--- /dev/null
+++ b/Software/Visual_Studio/Tango.Core/Cryptography/PasswordGenerator.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.Core.Cryptography
+{
+    public static class PasswordGenerator
+    {
+        internal static readonly String alphaNumeric = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+        internal static readonly String numeric = "1234567890";
+        internal static readonly String alpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+        public enum PasswordType
+        {
+            Alphaumeric,
+            Numeric,
+            Alpha,
+        }
+
+        public enum PasswordCasing
+        {
+            Any,
+            Upper,
+            Lower
+        }
+
+        public static String Generate(int length, PasswordType type = PasswordType.Alphaumeric, PasswordCasing casing = PasswordCasing.Any)
+        {
+            String chars = String.Empty;
+
+            switch (type)
+            {
+                case PasswordType.Alphaumeric:
+                    chars = alphaNumeric;
+                    break;
+                case PasswordType.Numeric:
+                    chars = numeric;
+                    break;
+                case PasswordType.Alpha:
+                    chars = alpha;
+                    break;
+            }
+
+            switch (casing)
+            {
+                case PasswordCasing.Upper:
+                    chars = chars.ToUpper();
+                    break;
+                case PasswordCasing.Lower:
+                    chars = chars.ToLower();
+                    break;
+            }
+
+            return GetUniqueKey(chars.ToCharArray(), length);
+        }
+
+        private static string GetUniqueKey(char[] chars, int size)
+        {
+            byte[] data = new byte[4 * size];
+            using (RNGCryptoServiceProvider crypto = new RNGCryptoServiceProvider())
+            {
+                crypto.GetBytes(data);
+            }
+            StringBuilder result = new StringBuilder(size);
+            for (int i = 0; i < size; i++)
+            {
+                var rnd = BitConverter.ToUInt32(data, i * 4);
+                var idx = rnd % chars.Length;
+
+                result.Append(chars[idx]);
+            }
+
+            return result.ToString();
+        }
+    }
+}
diff --git a/Software/Visual_Studio/Tango.Core/Tango.Core.csproj b/Software/Visual_Studio/Tango.Core/Tango.Core.csproj
index 813a31443..9a55a25f9 100644
--- a/Software/Visual_Studio/Tango.Core/Tango.Core.csproj
+++ b/Software/Visual_Studio/Tango.Core/Tango.Core.csproj
@@ -99,6 +99,7 @@
     <Compile Include="Bson\BsonUtcSerializer.cs" />
     <Compile Include="Components\CmdCommand.cs" />
     <Compile Include="Cryptography\MachineLevelCryptographer.cs" />
+    <Compile Include="Cryptography\PasswordGenerator.cs" />
     <Compile Include="CustomAttributes\PropertyIndexAttribute.cs" />
     <Compile Include="CustomAttributes\StringFormatAttribute.cs" />
     <Compile Include="ExtensionMethods\BooleanExtensions.cs" />
@@ -220,7 +221,7 @@
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <ProjectExtensions>
     <VisualStudio>
-      <UserProperties BuildVersion_StartDate="2000/1/1" BuildVersion_UseGlobalSettings="False" BuildVersion_BuildVersioningStyle="None.None.Increment.TimeStamp" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" />
+      <UserProperties BuildVersion_AssemblyInfoFilename="Properties\AssemblyInfo.cs" BuildVersion_UpdateAssemblyVersion="True" BuildVersion_BuildVersioningStyle="None.None.Increment.TimeStamp" BuildVersion_UseGlobalSettings="False" BuildVersion_StartDate="2000/1/1" />
     </VisualStudio>
   </ProjectExtensions>
   <Import Project="..\packages\System.Data.SQLite.Core.1.0.108.0\build\net46\System.Data.SQLite.Core.targets" Condition="Exists('..\packages\System.Data.SQLite.Core.1.0.108.0\build\net46\System.Data.SQLite.Core.targets')" />
-- 
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