1 files changed, 34 insertions, 0 deletions
diff --git a/crypto/src/tls/KeyUpdateRequest.cs b/crypto/src/tls/KeyUpdateRequest.cs
new file mode 100644
index 000000000..2a784e6e7
--- /dev/null
+++ b/crypto/src/tls/KeyUpdateRequest.cs
@@ -0,0 +1,34 @@
+using System;
+
+namespace Org.BouncyCastle.Tls
+{
+    /// <summary>RFC 8446 4.6.3</summary>
+    public abstract class KeyUpdateRequest
+    {
+        public const short update_not_requested = 0;
+        public const short update_requested = 1;
+
+        public static string GetName(short keyUpdateRequest)
+        {
+            switch (keyUpdateRequest)
+            {
+            case update_not_requested:
+                return "update_not_requested";
+            case update_requested:
+                return "update_requested";
+            default:
+                return "UNKNOWN";
+            }
+        }
+
+        public static string GetText(short keyUpdateRequest)
+        {
+            return GetName(keyUpdateRequest) + "(" + keyUpdateRequest + ")";
+        }
+
+        public static bool IsValid(short keyUpdateRequest)
+        {
+            return keyUpdateRequest >= update_not_requested && keyUpdateRequest <= update_requested;
+        }
+    }
+}