1 files changed, 7 insertions, 0 deletions
diff --git a/crypto/src/math/ec/rfc8032/Ed25519.cs b/crypto/src/math/ec/rfc8032/Ed25519.cs
index adb56ca9b..0b0e649d7 100644
--- a/crypto/src/math/ec/rfc8032/Ed25519.cs
+++ b/crypto/src/math/ec/rfc8032/Ed25519.cs
@@ -12,6 +12,13 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032
 {
     public abstract class Ed25519
     {
+        public enum Algorithm
+        {
+            Ed25519 = 0,
+            Ed25519ctx = 1,
+            Ed25519ph = 2,
+        }
+
         private const long M28L = 0x0FFFFFFFL;
         private const long M32L = 0xFFFFFFFFL;