diff --git a/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs b/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs
index 9bbeb98..f2d29bd 100644
--- a/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs
+++ b/DigitalData.Core.Abstractions/Security/IRSACryptographer.cs
@@ -8,8 +8,14 @@ namespace DigitalData.Core.Abstractions.Security
 
         public RSAEncryptionPadding Padding { get; init; }
 
+        public string? Directory { get; set; }
+
+        public string? FileName { get; set; }
+
         public string Issuer { get; init; }
 
         public string Audience { get; init; }
+
+        public void Init();
     }
 }
\ No newline at end of file
diff --git a/DigitalData.Core.Security/Config/AsymCryptParams.cs b/DigitalData.Core.Security/Config/AsymCryptParams.cs
index edaa53b..30a84e9 100644
--- a/DigitalData.Core.Security/Config/AsymCryptParams.cs
+++ b/DigitalData.Core.Security/Config/AsymCryptParams.cs
@@ -8,5 +8,19 @@ namespace DigitalData.Core.Security.Config
         public IEnumerable<IRSADecryptor> Decryptors { get; init; } = new List<IRSADecryptor>();
 
         public IEnumerable<IRSAEncryptor> Encryptors { get; init; } = new List<IRSAEncryptor>();
+
+        public override void OnDeserialized()
+        {
+            base.OnDeserialized();
+
+            foreach (var decryptor in Decryptors)
+            {
+                // set default path
+                if(decryptor.Pem is null && decryptor.FileName is null)
+                    dec
+
+                decryptor.Init();
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/DigitalData.Core.Security/Cryptographer/RSACryptographer.cs b/DigitalData.Core.Security/Cryptographer/RSACryptographer.cs
index f6d3152..b86a42e 100644
--- a/DigitalData.Core.Security/Cryptographer/RSACryptographer.cs
+++ b/DigitalData.Core.Security/Cryptographer/RSACryptographer.cs
@@ -14,9 +14,9 @@ namespace DigitalData.Core.Security.Cryptographer
             init => _pem = value;
         }
 
-        public string? PemPath => FileName is null ? null : Path.Combine(Directory, FileName);
+        public string? PemPath => FileName is null ? null : Path.Combine(Directory ?? string.Empty, FileName);
 
-        public string Directory { get; set; } = string.Empty;
+        public string? Directory { get; set; }
 
         public string? FileName { get; set; }