From 6842da31a37df6b9be9f8d25fb09e08cc80b7d8d Mon Sep 17 00:00:00 2001
From: "guoxing.li" <53087517+guoxing-li@users.noreply.github.com>
Date: Mon, 2 Mar 2026 16:25:49 +0800
Subject: [PATCH] fix: PJW64 should use 64-bit width

---
 encoding/ghash/ghash_pjw.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/encoding/ghash/ghash_pjw.go b/encoding/ghash/ghash_pjw.go
index 5b82ca1ed20..85820b1bc24 100644
--- a/encoding/ghash/ghash_pjw.go
+++ b/encoding/ghash/ghash_pjw.go
@@ -28,7 +28,7 @@ func PJW(str []byte) uint32 {
 // PJW64 implements the classic PJW hash algorithm for 64 bits.
 func PJW64(str []byte) uint64 {
 	var (
-		BitsInUnsignedInt uint64 = 32 // 4 * 8
+		BitsInUnsignedInt uint64 = 64 // 4 * 8
 		ThreeQuarters            = (BitsInUnsignedInt * 3) / 4
 		OneEighth                = BitsInUnsignedInt / 8
 		HighBits          uint64 = (0xFFFFFFFFFFFFFFFF) << (BitsInUnsignedInt - OneEighth)