diff --git a/DigitalData.Core.Security/DIExtensions.cs b/DigitalData.Core.Security/DIExtensions.cs
index 644e770..1ecb854 100644
--- a/DigitalData.Core.Security/DIExtensions.cs
+++ b/DigitalData.Core.Security/DIExtensions.cs
@@ -5,11 +5,23 @@ using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Options;
+using System.Text.Json;
+using System.Text.Json.Serialization;
 
 namespace DigitalData.Core.Security
 {
     public static class DIExtensions
     {
+        public static JsonSerializerOptions TryAddCryptographerConverter(this JsonSerializerOptions options)
+        {
+            if (!options.Converters.OfType<HashAlgorithmNameConverter>().Any())
+                options.Converters.Add(new HashAlgorithmNameConverter());
+
+            if (!options.Converters.OfType<JsonStringEnumConverter>().Any())
+                options.Converters.Add(new JsonStringEnumConverter());
+            return options;
+        }
+
         private static IServiceCollection AddAsymCryptService<TAsymCryptParams>(this IServiceCollection services)
             where TAsymCryptParams : AsymCryptParams
         {
diff --git a/DigitalData.Core.Security/HashAlgorithmNameConverter.cs b/DigitalData.Core.Security/HashAlgorithmNameConverter.cs
new file mode 100644
index 0000000..8fe7a53
--- /dev/null
+++ b/DigitalData.Core.Security/HashAlgorithmNameConverter.cs
@@ -0,0 +1,13 @@
+using System.Security.Cryptography;
+using System.Text.Json.Serialization;
+using System.Text.Json;
+
+namespace DigitalData.Core.Security
+{
+    public class HashAlgorithmNameConverter : JsonConverter<HashAlgorithmName>
+    {
+        public override HashAlgorithmName Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) => new(reader.GetString() ?? string.Empty);
+
+        public override void Write(Utf8JsonWriter writer, HashAlgorithmName value, JsonSerializerOptions options) => writer.WriteStringValue(value.Name);
+    }
+}
\ No newline at end of file