diff --git a/DigitalData.Core.Security/Config/RSAFactoryParams.cs b/DigitalData.Core.Security/Config/RSAFactoryParams.cs
index b03c122..7b1bd54 100644
--- a/DigitalData.Core.Security/Config/RSAFactoryParams.cs
+++ b/DigitalData.Core.Security/Config/RSAFactoryParams.cs
@@ -1,8 +1,9 @@
 using System.Security.Cryptography;
+using System.Text.Json.Serialization;
 
 namespace DigitalData.Core.Security.Config
 {
-    public class RSAFactoryParams
+    public class RSAFactoryParams : IJsonOnDeserialized
     {
         public int KeySizeInBits { get; init; } = 2048;
 
@@ -16,11 +17,11 @@ namespace DigitalData.Core.Security.Config
 
         public string EncryptedPrivateKeyPemLabel { get; init; } = "ENCRYPTED PRIVATE KEY";
 
-        private readonly Lazy<PbeParameters> _lazyPbeParameters;
+        private PbeParameters? _pbeParameters;
 
-        public PbeParameters PbeParameters => _lazyPbeParameters.Value;
+        [JsonIgnore]
+        public PbeParameters PbeParameters => _pbeParameters!;
 
-        public RSAFactoryParams()
-            => _lazyPbeParameters = new(() => new PbeParameters(PbeEncryptionAlgorithm, PbeHashAlgorithmName, PbeIterationCount));
+        public void OnDeserialized() => _pbeParameters = new PbeParameters(PbeEncryptionAlgorithm, PbeHashAlgorithmName, PbeIterationCount);
     }
 }
\ No newline at end of file