From 014a9cfdefaa48442d6f03de29ae4f87bf25fb0b Mon Sep 17 00:00:00 2001
From: Gavin <37820916+tyGavinZJU@users.noreply.github.com>
Date: Fri, 27 May 2022 21:44:59 +0800
Subject: [PATCH] Update endian revert process logic

---
 ecc/bn254/twistededwards/eddsa/eddsa.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ecc/bn254/twistededwards/eddsa/eddsa.go b/ecc/bn254/twistededwards/eddsa/eddsa.go
index 9aa2e3786..cd786bfe9 100644
--- a/ecc/bn254/twistededwards/eddsa/eddsa.go
+++ b/ecc/bn254/twistededwards/eddsa/eddsa.go
@@ -86,7 +86,7 @@ func GenerateKey(r io.Reader) (*PrivateKey, error) {
 
 	// reverse first bytes because setBytes interpret stream as big endian
 	// but in eddsa specs s is the first 32 bytes in little endian
-	for i, j := 0, sizeFr; i < j; i, j = i+1, j-1 {
+	for i, j := 0, sizeFr - 1; i < j; i, j = i+1, j-1 {
 
 		h[i], h[j] = h[j], h[i]