mfkeys.lua: Remove trailing whitespaces.

client/scripts/mfkeys.lua

@@ -1,11 +1,11 @@
 --[[
 	This is an example of Lua-scripting within proxmark3. This is a lua-side
-	implementation of hf mf chk  
+	implementation of hf mf chk
 
 	This code is licensed to you under the terms of the GNU GPL, version 2 or,
 	at your option, any later version. See the LICENSE.txt file for the text of
 	the license.
-	
+
 	Copyright (C) 2013 m h swende <martin at swende.se>
 --]]
 -- Loads the commands-library
@@ -49,7 +49,7 @@ end
 
 
 function checkBlock(blockNo, keys, keyType)
-	-- The command data is only 512 bytes, each key is 6 bytes, meaning that we can send max 85 keys in one go. 
+	-- The command data is only 512 bytes, each key is 6 bytes, meaning that we can send max 85 keys in one go.
 	-- If there's more, we need to split it up
 	local start, remaining= 1, #keys
 	local arg1 = bit32.bor(bit32.lshift(keyType, 8), blockNo)
@@ -61,10 +61,10 @@ function checkBlock(blockNo, keys, keyType)
 		--print("data",data)
 		--print("data len", #data)
 		print(("Testing block %d, keytype %d, with %d keys"):format(blockNo, keyType, n))
-		local command = Command:new{cmd = cmds.CMD_MIFARE_CHKKEYS, 
+		local command = Command:new{cmd = cmds.CMD_MIFARE_CHKKEYS,
-								arg1 = arg1, 
+								arg1 = arg1,
-								arg2 = 1, 
+								arg2 = 1,
-								arg3 = n, 
+								arg3 = n,
 								data = data}
 		local status = checkCommand(command)
 		if status then return status, blockNo end
@@ -90,36 +90,38 @@ local function displayresults(results)
 	print("|--------------------------------------|")
 
 end
+
 -- A little helper to place an item first in the list
 local function placeFirst(akey, list)
-	akey  = akey:lower()
+	akey = akey:lower()
-	if list[1] == akey then 
+	if list[1] == akey then
 		-- Already at pole position
 		return list
 	end
 	local result = {akey}
 	--print(("Putting '%s' first"):format(akey))
 	for i,v in ipairs(list) do
-		if v ~= akey then 
+		if v ~= akey then
 			result[#result+1] = v
 		end
 	end
 	return result
 end
+
 local function dumptofile(results)
 	local sector, blockNo, keyA, keyB,_
 
-	if utils.confirm("Do you wish to save the keys to dumpfile?") then 
+	if utils.confirm("Do you wish to save the keys to dumpfile?") then
 		local destination = utils.input("Select a filename to store to", "dumpkeys.bin")
 		local file = io.open(destination, "w")
-		if file == nil then 
+		if file == nil then
 			print("Could not write to file ", destination)
 			return
 		end
 
 		local key_a = ""
 		local key_b = ""
-		
+
 		for sector,_ in pairs(results) do
 			blockNo, keyA, keyB = unpack(_)
 			key_a = key_a .. bin.pack("H",keyA);
@@ -132,7 +134,7 @@ local function dumptofile(results)
 end
 
 
-local function main( args)
+local function main(args)
 
 	print(desc);
 
@@ -147,11 +149,11 @@ local function main( args)
 	core.clearCommandBuffer()
 	local blockNo
 	local keyType = 0 -- A=0, B=1
-	local numSectors = 16 
+	local numSectors = 16
 
-	if 0x18 == result.sak then --NXP MIFARE Classic 4k | Plus 4k
+	if 0x18 == result.sak then -- NXP MIFARE Classic 4k | Plus 4k
-		-- IFARE Classic 4K offers 4096 bytes split into forty sectors, 
+		-- IFARE Classic 4K offers 4096 bytes split into forty sectors,
-		-- of which 32 are same size as in the 1K with eight more that are quadruple size sectors. 
+		-- of which 32 are same size as in the 1K with eight more that are quadruple size sectors.
 		numSectors = 40
 	elseif 0x08 == result.sak then -- NXP MIFARE CLASSIC 1k | Plus 2k
 		-- 1K offers 1024 bytes of data storage, split into 16 sector
@@ -159,7 +161,7 @@ local function main( args)
 	elseif 0x09 == result.sak then -- NXP MIFARE Mini 0.3k
 		-- MIFARE Classic mini offers 320 bytes split into five sectors.
 		numSectors = 5
-	elseif  0x10 == result.sak then-- "NXP MIFARE Plus 2k"
+	elseif 0x10 == result.sak then -- NXP MIFARE Plus 2k
 		numSectors = 32
 	else
 		print("I don't know how many sectors there are on this type of card, defaulting to 16")
@@ -169,25 +171,25 @@ local function main( args)
 	for sector=1,numSectors,1 do
 
 		--[[
-		The mifare Classic 1k card has 16 sectors of 4 data blocks each. 
+		The mifare Classic 1k card has 16 sectors of 4 data blocks each.
 		The first 32 sectors of a mifare Classic 4k card consists of 4 data blocks and the remaining
-		8 sectors consist of 16 data blocks. 
+		8 sectors consist of 16 data blocks.
 		--]]
-		local blockNo = sector * 4 -1 
+		local blockNo = sector * 4 - 1
-		
+
 		if sector > 32 then
-			blockNo = 32*4+ (sector-32)*16 -1
+			blockNo = 32*4 + (sector-32)*16 - 1
 		end
 
 		local keyA = checkBlock(blockNo, keys, 0)
-		if keyA then keys  = placeFirst(keyA, keys) end
+		if keyA then keys = placeFirst(keyA, keys) end
 		keyA = keyA or ""
 
 		local keyB = checkBlock(blockNo, keys, 1)
-		if keyB then keys  = placeFirst(keyB, keys) end
+		if keyB then keys = placeFirst(keyB, keys) end
 		keyB = keyB or ""
 
-		result[sector] = {blockNo, keyA, keyB }
+		result[sector] = {blockNo, keyA, keyB}
 
 		-- Check if user aborted
 		if core.ukbhit() then
@@ -199,5 +201,4 @@ local function main( args)
 	dumptofile(result)
 end
 
-main( args)
+main(args)
-