feat(Core.Security): Erstellte Erweiterungsmethoden

DigitalData.Core.Security/DigitalData.Core.Security.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFrameworks>net7.0;net8.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
   </PropertyGroup>

DigitalData.Core.Security/Extensions.cs

@@ -0,0 +1,13 @@
+namespace DigitalData.Core.Security
+{
+    public static class Extensions
+    {
+        public static string ToBase64String(this byte[] bytes) => Convert.ToBase64String(bytes);
+
+        public static byte[] Base64ToByte(this string base64String) => Convert.FromBase64String(base64String);
+
+        public static byte[] ToBytes(this string str) => System.Text.Encoding.UTF8.GetBytes(str);
+
+        public static string BytesToString(this byte[] bytes) => System.Text.Encoding.UTF8.GetString(bytes);
+    }
+}

DigitalData.Core.Security/RSAExtensions.cs

@@ -0,0 +1,14 @@
+using System.Security.Cryptography;
+
+namespace DigitalData.Core.Security
+{
+    public static class RSAExtensions
+    {
+        public static RSA ToRSA(this string pem)
+        {
+            var rsa = RSA.Create();
+            rsa.ImportFromPem(pem);
+            return rsa;
+        }
+    }
+}