From be47bb502541fc654f52e1988dd832bbecfd8c7b Mon Sep 17 00:00:00 2001
From: ben <ben@cda61777-01e9-0310-a592-d414129be87e>
Date: Thu, 28 Apr 2005 08:24:46 +0000
Subject: [PATCH] In blowfish-ctr mode, increment the counter in the correct
 order.  Thanks to der Mouse for spotting the same error in my 3des-ctr
 implementation.

git-svn-id: svn://svn.tartarus.org/sgt/putty@5700 cda61777-01e9-0310-a592-d414129be87e
---
 sshblowf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sshblowf.c b/sshblowf.c
index 0ca81eba..0f00a77b 100644
--- a/sshblowf.c
+++ b/sshblowf.c
@@ -406,8 +406,8 @@ static void blowfish_msb_sdctr(unsigned char *blk, int len,
 	PUT_32BIT_MSB_FIRST(blk, tmp ^ b[0]);
 	tmp = GET_32BIT_MSB_FIRST(blk + 4);
 	PUT_32BIT_MSB_FIRST(blk + 4, tmp ^ b[1]);
-	if ((iv0 = (iv0 + 1) & 0xffffffff) == 0)
-	    iv1 = (iv1 + 1) & 0xffffffff;
+	if ((iv1 = (iv1 + 1) & 0xffffffff) == 0)
+	    iv0 = (iv0 + 1) & 0xffffffff;
 	blk += 8;
 	len -= 8;
     }
-- 
2.11.0