From 5d875a1f686d9b9e4c2c75d33584460135700e06 Mon Sep 17 00:00:00 2001
From: "Tommaso Gagliardoni (Kudelski Security)"
 <80652589+tgkudelski@users.noreply.github.com>
Date: Tue, 16 Jan 2024 18:13:58 +0100
Subject: [PATCH] Update poly.go

---
 crystals-kyber/poly.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crystals-kyber/poly.go b/crystals-kyber/poly.go
index ec3ee4c..5c74780 100644
--- a/crystals-kyber/poly.go
+++ b/crystals-kyber/poly.go
@@ -303,7 +303,7 @@ func (p *Poly) compress(d int) []byte {
 			for j := 0; j < 8; j++ {
 				/* t[j] = uint16(((uint32(p[8*i+j])<<11)+uint32(q)/2)/
 					uint32(q)) & ((1 << 11) - 1) */
-				d0 = uint64(p[4*i+j]) << 11
+				d0 = uint64(p[8*i+j]) << 11
 				d0 += 1664
 				d0 *= 645084
 				d0 >>= 31