Miscelanious trials

IdentityShroud.Core/Messages/JsonWebKey.cs

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+using System.Text.Json.Serialization;
+
+namespace IdentityShroud.Core.Messages;
+
+public class JsonWebKey
+{
+    [JsonPropertyName("kty")]
+    public string KeyType { get; set; } = "RSA";
+    
+    [JsonPropertyName("use")]
+    public string Use { get; set; } = "sig"; // "sig" for signature, "enc" for encryption
+    
+    [JsonPropertyName("alg")]
+    public string Algorithm { get; set; } = "RS256";
+    
+    [JsonPropertyName("kid")]
+    public string KeyId { get; set; }
+    
+    // RSA Public Key Components
+    [JsonPropertyName("n")]
+    public string Modulus { get; set; }
+    
+    [JsonPropertyName("e")]
+    public string Exponent { get; set; }
+    
+    // Optional fields
+    [JsonPropertyName("x5c")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public List<string> X509CertificateChain { get; set; }
+    
+    [JsonPropertyName("x5t")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string X509CertificateThumbprint { get; set; }    
+}