From 702c57e301342005ea6f854fbeeb862d78b75360 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Thu, 23 Aug 2018 12:45:23 +0200
Subject: Debugged pipeline register and state update. All test cases ok.

---
 src/rtl/chacha_qr.v | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/rtl/chacha_qr.v')

diff --git a/src/rtl/chacha_qr.v b/src/rtl/chacha_qr.v
index 5189030..ba68d51 100644
--- a/src/rtl/chacha_qr.v
+++ b/src/rtl/chacha_qr.v
@@ -130,7 +130,7 @@ module chacha_qr(
       a0 = a + b;
       a0_new = a0;
 
-      d0 = d ^ a0;
+      d0 = d ^ a0_reg;
       d1 = {d0[15 : 0], d0[31 : 16]};
 
       c0 = c + d1;
@@ -139,7 +139,7 @@ module chacha_qr(
       b0 = b ^ c0;
       b1 = {b0[19 : 0], b0[31 : 20]};
 
-      a1 = a0 + b1;
+      a1 = a0_reg + b1;
 //      a1_new = a1;
 
       d2 = d1 ^ a1;
-- 
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