refactor(TokenDescription): Nach RSAKey verschoben, um unter RSAPrivateKey definiert werden zu können

DigitalData.Core.Security/RSAKey/RSAPrivateKey.cs

@@ -1,4 +1,5 @@
 using DigitalData.Core.Abstractions.Security;
+using DigitalData.Core.Security.Config;
 using Microsoft.IdentityModel.Tokens;
 using System.Security.Cryptography;
 
@@ -28,6 +29,12 @@ namespace DigitalData.Core.Security.RSAKey
 
         public IAsymmetricPublicKey PublicKey => _lazyPublicKey.Value;
 
+        private RSATokenDescriptor? _tokenDescriptor;
+
+        private readonly Lazy<RSATokenDescriptor?> _descLazyInitter;
+
+        public RSATokenDescriptor? TokenDescriptor { get => _descLazyInitter.Value; init => _tokenDescriptor = value; }
+
         public RSAPrivateKey()
         {
             _lazyPublicKey = new(() => new RSAPublicKey()
@@ -35,6 +42,17 @@ namespace DigitalData.Core.Security.RSAKey
                 Pem = RSA.ExportRSAPublicKeyPem(),
                 Padding = Padding
             });
+
+            _descLazyInitter = new(() =>
+            {
+                if(_tokenDescriptor is not null)
+                {
+                    _tokenDescriptor.Issuer = Issuer;
+                    _tokenDescriptor.Audience = Audience;
+                    _tokenDescriptor.SigningCredentials = CreateSigningCredentials();
+                }
+                return _tokenDescriptor;
+            });
         }
 
         public byte[] Decrypt(byte[] data) => RSA.Decrypt(data, Padding);