From 67aa2bc321efd1f99ebfd743ca0284f9e99db42a Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Sat, 11 Dec 2010 15:42:40 +0000
Subject: Single update for padding bytes

---
 src/hash/keccak/keccak.cpp | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'src/hash/keccak')

diff --git a/src/hash/keccak/keccak.cpp b/src/hash/keccak/keccak.cpp
index c1980193e..6ae92c69c 100644
--- a/src/hash/keccak/keccak.cpp
+++ b/src/hash/keccak/keccak.cpp
@@ -161,10 +161,9 @@ void Keccak_1600::add_data(const byte input[], size_t length)
 
 void Keccak_1600::final_result(byte output[])
    {
-   update(0x01);
-   update(diversifier);
-   update(bitrate / 8);
-   update(0x01);
+   const byte padding[4] = { 0x01, diversifier, bitrate / 8, 0x01 };
+
+   add_data(padding, sizeof(padding));
 
    if(buf_pos)
       for(size_t i = buf_pos; i != buffer.size(); ++i)
-- 
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