Update 20211218

DPMCrypto/Class1.cs

@@ -0,0 +1,142 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DPMCrypto
+{
+    public class clscrypto
+    {
+        public string apikey = "";
+        public string iv = "";
+        public string secretkey =""
+
+        public string encrypt(string instring) 
+        {
+            using (RijndaelManaged myRijndael = new RijndaelManaged())
+            {
+                myRijndael.Key = Encoding.UTF8.GetBytes(secretkey);
+                myRijndael.IV = Encoding.UTF8.GetBytes(iv);
+                byte[] encrypted = EncryptStringToBytes(instring, myRijndael.Key, myRijndael.IV);
+                return  BitConverter.ToString(encrypted).Replace("-", "");
+            }
+        }
+
+        public string decrypt(string instring)
+        {
+            using (RijndaelManaged myRijndael = new RijndaelManaged())
+            {
+                myRijndael.Key = Encoding.UTF8.GetBytes(secretkey);
+                myRijndael.IV = Encoding.UTF8.GetBytes(iv);
+                byte[] xx = StringToByteArray(instring);
+                return DecryptStringFromBytes(xx, myRijndael.Key, myRijndael.IV);
+            }
+
+        }
+
+        public static byte[] StringToByteArray(string hex)
+        {
+            return Enumerable.Range(0, hex.Length)
+                             .Where(x => x % 2 == 0)
+                             .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
+                             .ToArray();
+        }
+
+        static byte[] EncryptStringToBytes(string plainText, byte[] Key, byte[] IV)
+        {
+            // Check arguments.
+            if (plainText == null || plainText.Length <= 0)
+                throw new ArgumentNullException("plainText");
+            if (Key == null || Key.Length <= 0)
+                throw new ArgumentNullException("Key");
+            if (IV == null || IV.Length <= 0)
+                throw new ArgumentNullException("IV");
+            byte[] encrypted;
+            // Create an RijndaelManaged object
+            // with the specified key and IV.
+            using (RijndaelManaged rijAlg = new RijndaelManaged())
+            {
+                rijAlg.Key = Key;
+                rijAlg.IV = IV;
+
+                // Create an encryptor to perform the stream transform.
+                ICryptoTransform encryptor = rijAlg.CreateEncryptor(rijAlg.Key, rijAlg.IV);
+
+                // Create the streams used for encryption.
+                using (MemoryStream msEncrypt = new MemoryStream())
+                {
+                    using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
+                    {
+                        using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
+                        {
+
+                            //Write all data to the stream.
+                            swEncrypt.Write(plainText);
+                        }
+                        encrypted = msEncrypt.ToArray();
+                    }
+                }
+            }
+
+            // Return the encrypted bytes from the memory stream.
+            return encrypted;
+        }
+
+        static string DecryptStringFromBytes(byte[] cipherText, byte[] Key, byte[] IV)
+        {
+            // Check arguments.
+            if (cipherText == null || cipherText.Length <= 0)
+                throw new ArgumentNullException("cipherText");
+            if (Key == null || Key.Length <= 0)
+                throw new ArgumentNullException("Key");
+            if (IV == null || IV.Length <= 0)
+                throw new ArgumentNullException("IV");
+
+            // Declare the string used to hold
+            // the decrypted text.
+            string plaintext = null;
+
+            // Create an RijndaelManaged object
+            // with the specified key and IV.
+            using (RijndaelManaged rijAlg = new RijndaelManaged())
+            {
+                rijAlg.Key = Key;
+                rijAlg.IV = IV;
+
+                // Create a decryptor to perform the stream transform.
+                ICryptoTransform decryptor = rijAlg.CreateDecryptor(rijAlg.Key, rijAlg.IV);
+
+                // Create the streams used for decryption.
+                using (MemoryStream msDecrypt = new MemoryStream(cipherText))
+                {
+                    using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
+                    {
+                        using (StreamReader srDecrypt = new StreamReader(csDecrypt))
+                        {
+                            // Read the decrypted bytes from the decrypting stream
+                            // and place them in a string.
+                            plaintext = srDecrypt.ReadToEnd();
+                        }
+                    }
+                }
+            }
+
+            return plaintext;
+        }
+
+        public static string Base64Encode(string plainText)
+        {
+            var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
+            return System.Convert.ToBase64String(plainTextBytes);
+        }
+
+        public static string Base64Decode(string base64EncodedData)
+        {
+            var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
+            return System.Text.Encoding.UTF8.GetString(base64EncodedBytes);
+        }
+    }
+}

DPMCrypto/DPMCrypto.csproj

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>68c7cc6d-4685-4ed2-9626-006b4ab3941e</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>DPMCrypto</RootNamespace>
+    <AssemblyName>DPMCrypto</AssemblyName>
+    <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System"/>
+    
+    <Reference Include="System.Core"/>
+    <Reference Include="System.Xml.Linq"/>
+    <Reference Include="System.Data.DataSetExtensions"/>
+    
+    
+    <Reference Include="Microsoft.CSharp"/>
+    
+    <Reference Include="System.Data"/>
+    
+    <Reference Include="System.Net.Http"/>
+    
+    <Reference Include="System.Xml"/>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Class1.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+ </Project>

DPMCrypto/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("DPMCrypto")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("DPMCrypto")]
+[assembly: AssemblyCopyright("Copyright ©  2021")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
+// für COM-Komponenten unsichtbar.  Wenn Sie auf einen Typ in dieser Assembly von
+// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("68c7cc6d-4685-4ed2-9626-006b4ab3941e")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
+// indem Sie "*" wie unten gezeigt eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

DPMCrypto/obj/Debug/.NETFramework,Version=v4.6.AssemblyAttributes.cs

@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.6", FrameworkDisplayName = ".NET Framework 4.6")]

DPMCrypto/obj/Debug/DPMCrypto.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+aba5fec37f37af188961b68f1e2f530658d5f39d

DPMCrypto/obj/Debug/DPMCrypto.csproj.FileListAbsolute.txt

@@ -0,0 +1,2 @@
+E:\Software-Projekte\DPM\DPM2016\DPMCrypto\obj\Debug\DPMCrypto.csproj.AssemblyReference.cache
+E:\Software-Projekte\DPM\DPM2016\DPMCrypto\obj\Debug\DPMCrypto.csproj.CoreCompileInputs.cache