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lua: more fix mix of spaces & tabs

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This commit is contained in:
Philippe Teuwen 2019-03-09 10:40:45 +01:00
commit 2d1a077ae4
14 changed files with 1423 additions and 1423 deletions
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94
client/lualibs/precalc.lua
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@ -1,5 +1,5 @@
--[[
This is an experimental lib.
This is an experimental lib.
--]]
local utils = require('utils')
@ -35,60 +35,60 @@ 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 shiftbytes = shifts[pos]
local shiftElem = shiftbytes[nibble+1] --one indexed
local shiftOne = shiftbytes[1]
local rs = bit32.bxor(value, shiftOne, shiftElem)
return rs
local shiftbytes = shifts[pos]
local shiftElem = shiftbytes[nibble+1] --one indexed
local shiftOne = shiftbytes[1]
local rs = bit32.bxor(value, shiftOne, shiftElem)
return rs
end
local function GetOne( uid, block )
if uid == nil then return nil, 'empty uid string' end
if #uid == 0 then return nil, 'empty uid string' end
if #uid ~= 8 then return nil, 'uid wrong length. Should be 4 hex bytes' end
if type(block) ~= 'number' then return nil, 'block is not number' end
if block > 16 or block < 0 then return nil, 'block is out-of-range' end
local s = ('%s%02X'):format(uid,block)
local nibble1 = tonumber(s:sub(1,1),16) + 1
if uid == nil then return nil, 'empty uid string' end
if #uid == 0 then return nil, 'empty uid string' end
if #uid ~= 8 then return nil, 'uid wrong length. Should be 4 hex bytes' end
if type(block) ~= 'number' then return nil, 'block is not number' end
if block > 16 or block < 0 then return nil, 'block is out-of-range' end
local permuted = ''
for i = 1, #s do
local el_row = shifts[i]
local el_value = el_row[nibble1]
j = 1
while j <= i do
if i-j > 0 then
local nibble = tonumber(s:sub(j+1,j+1),16)
el_value = ApplyPermutationAndShifts(i-j, el_value, nibble)
end
j = j+1
end
permuted =('%s%X'):format(permuted,el_value)
end
local s = ('%s%02X'):format(uid,block)
local nibble1 = tonumber(s:sub(1,1),16) + 1
permuted = 'C2'..permuted
local crc64numStr = utils.Crc64(permuted)
local keybytes = utils.ConvertAsciiToBytes(crc64numStr, true)
local key = utils.ConvertBytesToHex(keybytes)
return key:sub(1,12)
local permuted = ''
for i = 1, #s do
local el_row = shifts[i]
local el_value = el_row[nibble1]
j = 1
while j <= i do
if i-j > 0 then
local nibble = tonumber(s:sub(j+1,j+1),16)
el_value = ApplyPermutationAndShifts(i-j, el_value, nibble)
end
j = j+1
end
permuted =('%s%X'):format(permuted,el_value)
end
permuted = 'C2'..permuted
local crc64numStr = utils.Crc64(permuted)
local keybytes = utils.ConvertAsciiToBytes(crc64numStr, true)
local key = utils.ConvertBytesToHex(keybytes)
return key:sub(1,12)
end
local PreCalc =
local PreCalc =
{
GetAll = function(id)
if id == nil then return nil, 'empty string' end
if #id == 0 then return nil, 'empty string' end
if #id ~= 8 then return nil, 'wrong length. Should be 4 hex bytes' end
local list = '4b0b20107ccb'
for i = 1,15 do
local key, err = GetOne(id,i)
if not key then return oops(err) end
list = list..key
end
return list
end,
GetAll = function(id)
if id == nil then return nil, 'empty string' end
if #id == 0 then return nil, 'empty string' end
if #id ~= 8 then return nil, 'wrong length. Should be 4 hex bytes' end
local list = '4b0b20107ccb'
for i = 1,15 do
local key, err = GetOne(id,i)
if not key then return oops(err) end
list = list..key
end
return list
end,
}
return PreCalc