From c387fd49a705aa235d357a7296ba8a19bd45de36 Mon Sep 17 00:00:00 2001 From: iceman1001 Date: Fri, 13 Mar 2015 08:59:07 +0100 Subject: [PATCH 1/1] CHG: removed a loop after suggestions that it was unnecessary. --- client/lualibs/precalc.lua | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/client/lualibs/precalc.lua b/client/lualibs/precalc.lua index 284c8b62..ce58998a 100644 --- a/client/lualibs/precalc.lua +++ b/client/lualibs/precalc.lua @@ -35,19 +35,10 @@ shifts[9]= { 0xD, 0xB, 0x0, 0x6, 0x6, 0x0, 0xB, 0xD, 0xA, 0xC, 0x7, 0x1, 0x1, 0x shifts[10]= { 0xe, 0x1, 0x1, 0xe, 0x1, 0xe, 0xe, 0x1, 0x1, 0xe, 0xe, 0x1, 0xe, 0x1, 0x1, 0xe } local function ApplyPermutationAndShifts( pos, value, nibble) - local el2bytes = shifts[pos] - local el2 = el2bytes[nibble+1] --one indexed - local shiftInit = el2bytes[1] - local permrow = perm[shiftInit+1] - local j = 1 - for i = 1,16 do - if permrow[i] == el2 then - j = i - break - end - end - local rsbytes = perm[value+1] - local rs = rsbytes[j] + local shiftbytes = shifts[pos] + local shiftElem = shiftbytes[nibble+1] --one indexed + local shiftOne = shiftbytes[1] + local rs = bit32.bxor(value, bit32.bxor(shiftOne, shiftElem)) return rs end -- 2.39.5