From 8b607878f0aa725de934ddb1efbefcd3002d9338 Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <service@sommer-engineering.com>
Date: Fri, 3 Jan 2020 21:03:39 +0100
Subject: [PATCH] Bugfix: Used wrong exponent

---
 Ed25519/Extensions.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Ed25519/Extensions.cs b/Ed25519/Extensions.cs
index e6ee0f4..4f47195 100644
--- a/Ed25519/Extensions.cs
+++ b/Ed25519/Extensions.cs
@@ -29,7 +29,7 @@ namespace Ed25519
 
         internal static BigInteger Inv(this BigInteger number)
         {
-            return number.ExpMod(2, Constants.Q);
+            return number.ExpMod(Constants.QM2, Constants.Q);
         }
 
         internal static BigInteger RecoverX(this BigInteger y)