diff --git a/DigitalData.Core.Security/RSADecryptor.cs b/DigitalData.Core.Security/RSADecryptor.cs
index a8ad4a7..04be07a 100644
--- a/DigitalData.Core.Security/RSADecryptor.cs
+++ b/DigitalData.Core.Security/RSADecryptor.cs
@@ -22,22 +22,12 @@ namespace DigitalData.Core.Security
             }
         }
 
-        public RSADecryptor() { }
-
-        public RSADecryptor(string pem, string? password = null)
-        {
-            Pem = pem;
-            Password = password;
-            Initialize();
-        }
+        internal RSADecryptor() { }
 
         [OnDeserialized]
-        private void OnDeserialized(StreamingContext context)
-        {
-            Initialize();
-        }
+        private void OnDeserialized(StreamingContext context) => Init();
 
-        private void Initialize()
+        private IRSADecryptor Init()
         {
             if (string.IsNullOrWhiteSpace(Pem))
                 throw new InvalidOperationException("Pem cannot be null or empty.");
@@ -46,6 +36,8 @@ namespace DigitalData.Core.Security
                 _rsa.ImportFromPem(Pem);
             else
                 _rsa.ImportFromEncryptedPem(Pem, Password.AsSpan());
+
+            return this;
         }
 
         public byte[] Decrypt(byte[] data) => _rsa.Decrypt(data, Padding);