From eb5732337be02e36c8f5293a2d22d8f74130e684 Mon Sep 17 00:00:00 2001
From: weidai <weidai11@users.noreply.github.com>
Date: Sat, 24 Jan 2009 02:51:45 +0000
Subject: fix incorrect VMAC computation on message lengths that are >64 mod
 128

---
 vmac.cpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'vmac.cpp')

diff --git a/vmac.cpp b/vmac.cpp
index 6c784f15..ecfd278d 100755
--- a/vmac.cpp
+++ b/vmac.cpp
@@ -472,20 +472,18 @@ void VMAC_Base::VHASH_Update_Template(const word64 *data, size_t blocksRemaining
 		DeclareNH(nhA);
 		DeclareNH(nhB);
 
+		i = 0;
 		if (blocksRemainingInWord64 < L1KeyLengthInWord64)
 		{
 			if (blocksRemainingInWord64 % 8)
 			{
 				innerLoopEnd = blocksRemainingInWord64 % 8;
-				for (i=0; i<innerLoopEnd; i+=2)
+				for (; i<innerLoopEnd; i+=2)
 					INNER_LOOP_ITERATION(0);
-				blocksRemainingInWord64 -= innerLoopEnd;
-				data += innerLoopEnd;
 			}
 			innerLoopEnd = blocksRemainingInWord64;
 		}
-
-		for (i=0; i<innerLoopEnd; i+=8)
+		for (; i<innerLoopEnd; i+=8)
 		{
 			INNER_LOOP_ITERATION(0);
 			INNER_LOOP_ITERATION(1);
-- 
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