From 6b93c284fe50d3d617228481fb78c2d20f24f6c8 Mon Sep 17 00:00:00 2001
From: Jeffrey Walton <noloader@gmail.com>
Date: Tue, 21 Aug 2018 11:25:39 -0400
Subject: Use bitwise not 0 for last block flag

---
 blake2.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'blake2.cpp')

diff --git a/blake2.cpp b/blake2.cpp
index a97564a5..517849a9 100644
--- a/blake2.cpp
+++ b/blake2.cpp
@@ -473,11 +473,11 @@ void BLAKE2_Base<W, T_64bit>::TruncatedFinal(byte *hash, size_t size)
 
     // Set last block unconditionally
     State& state = *m_state.data();
-    state.f[0] = static_cast<W>(-1);
+    state.f[0] = ~static_cast<W>(0);
 
     // Set last node if tree mode
     if (m_treeMode)
-        state.f[1] = static_cast<W>(-1);
+        state.f[1] = ~static_cast<W>(0);
 
     // Increment counter for tail bytes only
     IncrementCounter(state.length);
-- 
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