[proxmark3-svn] / client / scripts / tnp3sim.lua

local cmds = require('commands')
local getopt = require('getopt')
local bin = require('bin')
local lib14a = require('read14a')
local utils = require('utils')
local md5 = require('md5')
local toyNames = require('default_toys')

example =[[
	1. script run tnp3sim
	2. script run tnp3sim -m
	3. script run tnp3sim -m -i myfile
]]
author = "Iceman"
usage = "script run tnp3sim -h -m -i <filename>"
desc =[[
This script will try to load a binary datadump of a Mifare TNP3xxx card.
It vill try to validate all checksums and view some information stored in the dump
For an experimental mode, it tries to manipulate some data.
At last it sends all data to the PM3 device memory where it can be used in the command  "hf mf sim"

Arguments:
	-h             : this help
	-m             : Maxed out items (experimental)
	-i             : filename for the datadump to read (bin)
]]

local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
local DEBUG = true -- the debug flag


local band = bit32.band
local bor = bit32.bor
local lshift = bit32.lshift
local rshift = bit32.rshift
local byte = string.byte
local char = string.char
local sub = string.sub
local format = string.format

--- 
-- A debug printout-function
function dbg(args)
	if not DEBUG then
		return
	end
	
    if type(args) == "table" then
		local i = 1
		while result[i] do
			dbg(result[i])
			i = i+1
		end
	else
		print("###", args)
	end	
end	
--- 
-- This is only meant to be used when errors occur
function oops(err)
	print("ERROR: ",err)
end
--- 
-- Usage help
function help()
	print(desc)
	print("Example usage")
	print(example)
end
--
-- Exit message
function ExitMsg(msg)
	print( string.rep('--',20) )
	print( string.rep('--',20) )
	print(msg)
	print()
end

local function writedumpfile(infile)
	 t = infile:read("*all")
	 len = string.len(t)
	 local len,hex = bin.unpack(("H%d"):format(len),t)
	 return hex
end
-- blocks with data
-- there are two dataareas, in block 8 or block 36,   ( 1==8 ,
-- checksum type =  0, 1, 2, 3
local function GetCheckSum(blocks, dataarea, chksumtype)

	local crc
	local area = 36
	if  dataarea == 1 then
		area = 8
	end
	
	if chksumtype == 0 then
		crc = blocks[1]:sub(29,32)
	elseif chksumtype == 1 then
		crc = blocks[area]:sub(29,32)
	elseif chksumtype == 2 then	
		crc = blocks[area]:sub(25,28)
	elseif chksumtype == 3 then
		crc = blocks[area]:sub(21,24)		
	end
	return utils.SwapEndianness(crc,16)
end

local function SetCheckSum(blocks, chksumtype)

	if blocks == nil then return nil, 'Argument \"blocks\" nil' end
	local newcrc
	local area1 = 8
	local area2 = 36
	
	if chksumtype == 0 then
		newcrc = ('%04X'):format(CalcCheckSum(blocks,1,0))	
		blocks[1] = blocks[1]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
	elseif chksumtype == 1 then
		newcrc = ('%04X'):format(CalcCheckSum(blocks,1,1))	
		blocks[area1] = blocks[area1]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
		newcrc = ('%04X'):format(CalcCheckSum(blocks,2,1))	
		blocks[area2] = blocks[area2]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
	elseif chksumtype == 2 then	
		newcrc = ('%04X'):format(CalcCheckSum(blocks,1,2))	
		blocks[area1] = blocks[area1]:sub(1,24)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area1]:sub(29,32)
		newcrc = ('%04X'):format(CalcCheckSum(blocks,2,2))	
		blocks[area2] = blocks[area2]:sub(1,24)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area2]:sub(29,32)
	elseif chksumtype == 3 then
		newcrc = ('%04X'):format(CalcCheckSum(blocks,1,3))	
		blocks[area1] = blocks[area1]:sub(1,20)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area1]:sub(25,32)
		newcrc = ('%04X'):format(CalcCheckSum(blocks,2,3))	
		blocks[area2] = blocks[area2]:sub(1,20)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area2]:sub(25,32)
	end
end

function CalcCheckSum(blocks, dataarea, chksumtype)
	local area = 36
	if dataarea == 1 then
		area = 8
	end
	
	if chksumtype == 0 then
		data = blocks[0]..blocks[1]:sub(1,28)
	elseif chksumtype == 1 then
		data = blocks[area]:sub(1,28)..'0500'
	elseif chksumtype == 2 then	
		data =	blocks[area+1]..blocks[area+2]..blocks[area+4]
	elseif chksumtype == 3 then
		data =  blocks[area+5]..blocks[area+6]..blocks[area+8]..string.rep('00',0xe0)	
	end
	return utils.Crc16(data)
end

local function ValidateCheckSums(blocks)

	local isOk, crc, calc
	-- Checksum Type 0
	crc = GetCheckSum(blocks,1,0)
	calc = CalcCheckSum(blocks, 1, 0)
	if crc == calc then isOk='Ok' else isOk = 'Error' end
	io.write( ('TYPE 0       : %04x = %04x -- %s\n'):format(crc,calc,isOk))

	-- Checksum Type 1 (DATAAREAHEADER 1)
	crc = GetCheckSum(blocks,1,1)
	calc = CalcCheckSum(blocks,1,1)
	if crc == calc then isOk='Ok' else isOk = 'Error' end
	io.write( ('TYPE 1 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
	
	-- Checksum Type 1 (DATAAREAHEADER 2)
	crc = GetCheckSum(blocks,2,1)
	calc = CalcCheckSum(blocks,2,1)
	if crc == calc then isOk='Ok' else isOk = 'Error' end
	io.write( ('TYPE 1 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
	
	-- Checksum Type 2 (DATAAREA 1)
	crc = GetCheckSum(blocks,1,2)
	calc = CalcCheckSum(blocks,1,2)
	if crc == calc then isOk='Ok' else isOk = 'Error' end	
	io.write( ('TYPE 2 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))

	-- Checksum Type 2 (DATAAREA 2)
	crc = GetCheckSum(blocks,2,2)
	calc = CalcCheckSum(blocks,2,2)
	if crc == calc then isOk='Ok' else isOk = 'Error' end	
	io.write( ('TYPE 2 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))

	-- Checksum Type 3 (DATAAREA 1)
	crc = GetCheckSum(blocks,1,3)
	calc = CalcCheckSum(blocks,1,3)
	if crc == calc then isOk='Ok' else isOk = 'Error' end	
	io.write( ('TYPE 3 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))

	-- Checksum Type 3 (DATAAREA 2)
	crc = GetCheckSum(blocks,2,3)
	calc = CalcCheckSum(blocks,2,3)
	if crc == calc then isOk='Ok' else isOk = 'Error' end	
	io.write( ('TYPE 3 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
end

local function LoadEmulator(blocks)
	local HASHCONSTANT = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20'
	local cmd
	local blockdata
	for _,b in pairs(blocks) do 
		
		blockdata = b
		
		if  _%4 ~= 3 then
			if (_ >= 8 and _<=21)  or  (_ >= 36 and _<=49) then
				local base = ('%s%s%02x%s'):format(blocks[0], blocks[1], _ , HASHCONSTANT)	
				local baseStr = utils.ConvertHexToAscii(base)
				local key = md5.sumhexa(baseStr)
				local enc = core.aes(key, blockdata)
				local hex = utils.ConvertAsciiToBytes(enc)
				hex = utils.ConvertBytesToHex(hex)
			
				blockdata = hex
				io.write( _..',')
			end
		end

		cmd = Command:new{cmd = cmds.CMD_MIFARE_EML_MEMSET, arg1 = _ ,arg2 = 1,arg3 = 0, data = blockdata}
		local err = core.SendCommand(cmd:getBytes())
		if err then 
			return err
		end
	end
	io.write('\n')
end

local function Num2Card(m, l)

	local k = {
		0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B,
		0x4C, 0x4D, 0x4E, 0x50, 0x51, 0x52, 0x53, 0x54,0x56, 0x57, 0x58, 0x59, 0x5A, 0x00
	}
	local msw = tonumber(utils.SwapEndiannessStr(m,32),16)
	local lsw = tonumber(utils.SwapEndiannessStr(l,32),16)

	if msw > 0x17ea1 then
		return "too big"
	end

	if msw == 0x17ea1 and lsw > 0x8931fee8 then
		return "out of range"
	end

	local s = ""
	local index
	for i = 1,10 do
		index, msw, lsw = DivideByK( msw, lsw)
		if ( index <= 1 ) then
			s = char(k[index]) .. s
		else
			s = char(k[index-1]) .. s
		end 
		print (index-1, msw, lsw)
	end
    return s
end
--33LRT-LM9Q9
--7, 122, 3474858630
--20, 4, 1008436634
--7, 0, 627182959
--17, 0, 21626998
--16, 0, 745758
--23, 0, 25715
--21, 0, 886
--16, 0, 30
--1, 0, 1
--1, 0, 0

function DivideByK(msw, lsw)

	local lowLSW
	local highLSW
	local remainder = 0
	local RADIX = 29

	--local num = 0 | band( rshift(msw,16), 0xffff)
	local num = band( rshift(msw, 16), 0xffff)
 
	--highLSW = 0 | lshift( (num / RADIX) , 16)
	highLSW = lshift( (num / RADIX) , 16)
	remainder = num % RADIX

	num =  bor( lshift(remainder,16), band(msw, 0xffff))

	--highLSW |= num / RADIX
	highLSW = highLSW or (num / RADIX)
	remainder = num % RADIX

	num =  bor( lshift(remainder,16), ( band(rshift(lsw,16), 0xffff)))

	--lowLSW = 0 | (num / RADIX) << 16
	lowLSW = 0 or (lshift( (num / RADIX), 16))
	remainder = num % RADIX

	num =  bor( lshift(remainder,16) , band(lsw, 0xffff) )

	lowLSW = bor(lowLSW, (num / RADIX))
	remainder = num % RADIX
	return remainder, highLSW, lowLSW
	
	            -- uint num = 0 | (msw >> 16) & 0xffff;
 
            -- highLSW = 0 | (num / RADIX) << 16;
            -- remainder = num % RADIX;

            -- num = (remainder << 16) | (msw & 0xffff);
 
            -- highLSW |= num / RADIX;
            -- remainder = num % RADIX;

            -- num = (remainder << 16) | ((lsw >> 16) & 0xffff);

            -- lowLSW = 0 | (num / RADIX) << 16;
            -- remainder = num % RADIX;

            -- num = (remainder << 16) | (lsw & 0xffff);

            -- lowLSW |= num / RADIX;
            -- remainder = num % RADIX;

end

local function main(args)

	print( string.rep('--',20) )
	print( string.rep('--',20) )
	
	local result, err, hex
	local maxed = false
	local inputTemplate = "dumpdata.bin"
	local outputTemplate = os.date("toydump_%Y-%m-%d_%H%M");
	
		-- Arguments for the script
	for o, a in getopt.getopt(args, 'hmi:o:') do
		if o == "h" then return help() end		
		if o == "m" then maxed = true end
		if o == "o" then outputTemplate = a end		
		if o == "i" then inputTemplate = a end
	end
	
	-- Turn off Debug
	local cmdSetDbgOff = "hf mf dbg 0"
	core.console( cmdSetDbgOff) 
	
	-- if not loadFromDump then
		-- -- Look for tag present on reader,
		-- result, err = lib14a.read1443a(false)
		-- if not result then return oops(err)	end

		-- core.clearCommandBuffer()
	
		-- if 0x01 ~= result.sak then -- NXP MIFARE TNP3xxx
			-- return oops('This is not a TNP3xxx tag. aborting.')
		-- end	

		-- -- Show tag info
		-- print((' Found tag : %s'):format(result.name))
	-- end
	
	-- Load dump.bin file
	print( (' Load data from %s'):format(inputTemplate))
	hex, err = utils.ReadDumpFile(inputTemplate)
	if not hex then return oops(err) end
	
	local blocks = {}
	local blockindex = 0
	for i = 1, #hex, 32 do
		blocks[blockindex] = hex:sub(i,i+31)
		blockindex = blockindex + 1
	end

	if DEBUG then
		print('Validating checksums in the loaded datadump')
		ValidateCheckSums(blocks)
	end
	
	--
	print( string.rep('--',20) )	
	print(' Gathering info')
	local uid = blocks[0]:sub(1,8)
	local itemtype = blocks[1]:sub(1,4)
	local cardidLsw = blocks[1]:sub(9,16)
	local cardidMsw = blocks[1]:sub(17,24)

	local itemtypename = toyNames[itemtype]
	if itemtypename == nil then
		itemtypename = toyNames[utils.SwapEndiannessStr(itemtype,16)]
	end
	
	-- Show info 
	print( string.rep('--',20) )
	print( (' ITEM TYPE : 0x%s - %s'):format(itemtype, itemtypename) )
	print( ('       UID : 0x%s'):format(uid) )
	print( ('    CARDID : 0x%s %s [%s]'):format(
								cardidMsw,cardidLsw, 
								--Num2Card(cardidMsw, cardidLsw))
								'')
								)
	print( string.rep('--',20) )


	-- lets do something.
	-- 
	local experience = blocks[8]:sub(1,6)
	print(('Experience  : %d'):format(utils.SwapEndianness(experience,24)))
	local money = blocks[8]:sub(7,10)
	print(('Money       : %d'):format(utils.SwapEndianness(money,16)))
	local fairy = blocks[9]:sub(1,8)
	--FD0F = Left, FF0F = Right
	local path = 'not choosen'
	if fairy:sub(2,2) == 'D' then
		path = 'Left'
	elseif fairy:sub(2,2) == 'F' then
		path = 'Right'
	end
	print(('Fairy       : %d [Path: %s] '):format(utils.SwapEndianness(fairy,24),path))
	
	local hat = blocks[9]:sub(8,11)
	print(('Hat         : %d'):format(utils.SwapEndianness(hat,16)))
	
	--0x0D    0x29    0x0A    0x02    16-bit hero points value. Maximum 100.
	local heropoints = blocks[13]:sub(20,23)
	print(('Hero points : %d'):format(utils.SwapEndianness(heropoints,16)))

	--0x10    0x2C    0x0C    0x04    32 bit flag value indicating heroic challenges completed.
	local challenges = blocks[16]:sub(25,32)
	print(('Finished hero challenges : %d'):format(utils.SwapEndianness(challenges,32)))
	
	if maxed then
		print('Lets try to max out some values')
		-- max out money, experience
		--print (blocks[8])
		blocks[8] = 'FFFFFF'..'FFFF'..blocks[8]:sub(11,32)
		blocks[36] = 'FFFFFF'..'FFFF'..blocks[36]:sub(11,32)
		--print (blocks[8])
	
		-- max out hero challenges
		--print (blocks[16])
		blocks[16] = blocks[16]:sub(1,24)..'FFFFFFFF'
		blocks[44] = blocks[44]:sub(1,24)..'FFFFFFFF'
		--print (blocks[16])
		
		-- max out heropoints
		--print (blocks[13])
		blocks[13] = blocks[13]:sub(1,19)..'0064'..blocks[13]:sub(24,32)
		blocks[41] = blocks[41]:sub(1,19)..'0064'..blocks[41]:sub(24,32)
		--print (blocks[13])
	
		-- Update Checksums
		print('Updating all checksums')
		SetCheckSum(blocks, 3)
		SetCheckSum(blocks, 2)
		SetCheckSum(blocks, 1)
		SetCheckSum(blocks, 0)
	
		print('Validating all checksums')	
		ValidateCheckSums(blocks)
	end
	
	--Load dumpdata to emulator memory
	if DEBUG then
		print('Sending dumpdata to emulator memory')
		err = LoadEmulator(blocks)
		if err then return oops(err) end	
		core.clearCommandBuffer()
		print('The simulation is now prepared.\n --> run \"hf mf sim u '..uid..'\" <--')
	end
end
main(args)
Commit	Line	Data
b915fda3	1	local cmds = require('commands')
	2	local getopt = require('getopt')
	3	local bin = require('bin')
	4	local lib14a = require('read14a')
	5	local utils = require('utils')
	6	local md5 = require('md5')
	7	local toyNames = require('default_toys')
	8
	9	example =[[
	10	1. script run tnp3sim
	11	2. script run tnp3sim -m
	12	3. script run tnp3sim -m -i myfile
	13	]]
	14	author = "Iceman"
	15	usage = "script run tnp3sim -h -m -i <filename>"
	16	desc =[[
	17	This script will try to load a binary datadump of a Mifare TNP3xxx card.
	18	It vill try to validate all checksums and view some information stored in the dump
	19	For an experimental mode, it tries to manipulate some data.
	20	At last it sends all data to the PM3 device memory where it can be used in the command "hf mf sim"
	21
	22	Arguments:
	23	-h : this help
	24	-m : Maxed out items (experimental)
	25	-i : filename for the datadump to read (bin)
	26	]]
	27
	28	local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
	29	local DEBUG = true -- the debug flag
224ce36e	30
	31
	32	local band = bit32.band
	33	local bor = bit32.bor
	34	local lshift = bit32.lshift
	35	local rshift = bit32.rshift
	36	local byte = string.byte
	37	local char = string.char
	38	local sub = string.sub
	39	local format = string.format
	40
b915fda3	41	---
	42	-- A debug printout-function
	43	function dbg(args)
	44	if not DEBUG then
	45	return
	46	end
	47
	48	if type(args) == "table" then
	49	local i = 1
	50	while result[i] do
	51	dbg(result[i])
	52	i = i+1
	53	end
	54	else
	55	print("###", args)
	56	end
	57	end
	58	---
	59	-- This is only meant to be used when errors occur
	60	function oops(err)
	61	print("ERROR: ",err)
	62	end
	63	---
	64	-- Usage help
	65	function help()
	66	print(desc)
	67	print("Example usage")
	68	print(example)
	69	end
	70	--
	71	-- Exit message
	72	function ExitMsg(msg)
	73	print( string.rep('--',20) )
	74	print( string.rep('--',20) )
	75	print(msg)
	76	print()
	77	end
	78
b915fda3	79	local function writedumpfile(infile)
	80	t = infile:read("*all")
	81	len = string.len(t)
	82	local len,hex = bin.unpack(("H%d"):format(len),t)
	83	return hex
	84	end
	85	-- blocks with data
	86	-- there are two dataareas, in block 8 or block 36, ( 1==8 ,
	87	-- checksum type = 0, 1, 2, 3
	88	local function GetCheckSum(blocks, dataarea, chksumtype)
	89
	90	local crc
	91	local area = 36
	92	if dataarea == 1 then
	93	area = 8
	94	end
	95
	96	if chksumtype == 0 then
	97	crc = blocks[1]:sub(29,32)
	98	elseif chksumtype == 1 then
	99	crc = blocks[area]:sub(29,32)
	100	elseif chksumtype == 2 then
	101	crc = blocks[area]:sub(25,28)
	102	elseif chksumtype == 3 then
	103	crc = blocks[area]:sub(21,24)
	104	end
	105	return utils.SwapEndianness(crc,16)
	106	end
	107
	108	local function SetCheckSum(blocks, chksumtype)
	109
	110	if blocks == nil then return nil, 'Argument \"blocks\" nil' end
	111	local newcrc
	112	local area1 = 8
	113	local area2 = 36
	114
	115	if chksumtype == 0 then
	116	newcrc = ('%04X'):format(CalcCheckSum(blocks,1,0))
	117	blocks[1] = blocks[1]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
	118	elseif chksumtype == 1 then
	119	newcrc = ('%04X'):format(CalcCheckSum(blocks,1,1))
	120	blocks[area1] = blocks[area1]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
	121	newcrc = ('%04X'):format(CalcCheckSum(blocks,2,1))
	122	blocks[area2] = blocks[area2]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
	123	elseif chksumtype == 2 then
	124	newcrc = ('%04X'):format(CalcCheckSum(blocks,1,2))
	125	blocks[area1] = blocks[area1]:sub(1,24)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area1]:sub(29,32)
	126	newcrc = ('%04X'):format(CalcCheckSum(blocks,2,2))
	127	blocks[area2] = blocks[area2]:sub(1,24)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area2]:sub(29,32)
	128	elseif chksumtype == 3 then
	129	newcrc = ('%04X'):format(CalcCheckSum(blocks,1,3))
	130	blocks[area1] = blocks[area1]:sub(1,20)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area1]:sub(25,32)
	131	newcrc = ('%04X'):format(CalcCheckSum(blocks,2,3))
	132	blocks[area2] = blocks[area2]:sub(1,20)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area2]:sub(25,32)
	133	end
	134	end
	135
	136	function CalcCheckSum(blocks, dataarea, chksumtype)
	137	local area = 36
	138	if dataarea == 1 then
	139	area = 8
	140	end
	141
	142	if chksumtype == 0 then
143	data = blocks[0]..blocks[1]:sub(1,28)
144	elseif chksumtype == 1 then
145	data = blocks[area]:sub(1,28)..'0500'
146	elseif chksumtype == 2 then
147	data = blocks[area+1]..blocks[area+2]..blocks[area+4]
148	elseif chksumtype == 3 then
149	data = blocks[area+5]..blocks[area+6]..blocks[area+8]..string.rep('00',0xe0)
150	end
151	return utils.Crc16(data)
152	end
153
154	local function ValidateCheckSums(blocks)
155
156	local isOk, crc, calc
157	-- Checksum Type 0
158	crc = GetCheckSum(blocks,1,0)
159	calc = CalcCheckSum(blocks, 1, 0)
160	if crc == calc then isOk='Ok' else isOk = 'Error' end
161	io.write( ('TYPE 0 : %04x = %04x -- %s\n'):format(crc,calc,isOk))
162
163	-- Checksum Type 1 (DATAAREAHEADER 1)
164	crc = GetCheckSum(blocks,1,1)
165	calc = CalcCheckSum(blocks,1,1)
166	if crc == calc then isOk='Ok' else isOk = 'Error' end
167	io.write( ('TYPE 1 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
168
169	-- Checksum Type 1 (DATAAREAHEADER 2)
170	crc = GetCheckSum(blocks,2,1)
171	calc = CalcCheckSum(blocks,2,1)
172	if crc == calc then isOk='Ok' else isOk = 'Error' end
173	io.write( ('TYPE 1 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
174
175	-- Checksum Type 2 (DATAAREA 1)
176	crc = GetCheckSum(blocks,1,2)
177	calc = CalcCheckSum(blocks,1,2)
178	if crc == calc then isOk='Ok' else isOk = 'Error' end
179	io.write( ('TYPE 2 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
180
181	-- Checksum Type 2 (DATAAREA 2)
182	crc = GetCheckSum(blocks,2,2)
183	calc = CalcCheckSum(blocks,2,2)
184	if crc == calc then isOk='Ok' else isOk = 'Error' end
185	io.write( ('TYPE 2 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
186
187	-- Checksum Type 3 (DATAAREA 1)
188	crc = GetCheckSum(blocks,1,3)
189	calc = CalcCheckSum(blocks,1,3)
190	if crc == calc then isOk='Ok' else isOk = 'Error' end
191	io.write( ('TYPE 3 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
192
193	-- Checksum Type 3 (DATAAREA 2)
194	crc = GetCheckSum(blocks,2,3)
195	calc = CalcCheckSum(blocks,2,3)
196	if crc == calc then isOk='Ok' else isOk = 'Error' end
197	io.write( ('TYPE 3 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
198	end
199
b915fda3	200	local function LoadEmulator(blocks)
	201	local HASHCONSTANT = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20'
	202	local cmd
	203	local blockdata
	204	for _,b in pairs(blocks) do
	205
	206	blockdata = b
	207
	208	if _%4 ~= 3 then
	209	if (_ >= 8 and _<=21) or (_ >= 36 and _<=49) then
	210	local base = ('%s%s%02x%s'):format(blocks[0], blocks[1], _ , HASHCONSTANT)
	211	local baseStr = utils.ConvertHexToAscii(base)
	212	local key = md5.sumhexa(baseStr)
	213	local enc = core.aes(key, blockdata)
	214	local hex = utils.ConvertAsciiToBytes(enc)
	215	hex = utils.ConvertBytesToHex(hex)
	216
	217	blockdata = hex
	218	io.write( _..',')
	219	end
	220	end
	221
	222	cmd = Command:new{cmd = cmds.CMD_MIFARE_EML_MEMSET, arg1 = _ ,arg2 = 1,arg3 = 0, data = blockdata}
	223	local err = core.SendCommand(cmd:getBytes())
	224	if err then
	225	return err
	226	end
	227	end
	228	io.write('\n')
	229	end
	230
224ce36e	231	local function Num2Card(m, l)
	232
	233	local k = {
	234	0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,0x42, 0x43, 0x44, 0x46, 0x47, 0x48, 0x4A, 0x4B,
	235	0x4C, 0x4D, 0x4E, 0x50, 0x51, 0x52, 0x53, 0x54,0x56, 0x57, 0x58, 0x59, 0x5A, 0x00
	236	}
	237	local msw = tonumber(utils.SwapEndiannessStr(m,32),16)
	238	local lsw = tonumber(utils.SwapEndiannessStr(l,32),16)
	239
	240	if msw > 0x17ea1 then
	241	return "too big"
	242	end
	243
	244	if msw == 0x17ea1 and lsw > 0x8931fee8 then
	245	return "out of range"
	246	end
	247
	248	local s = ""
	249	local index
	250	for i = 1,10 do
	251	index, msw, lsw = DivideByK( msw, lsw)
	252	if ( index <= 1 ) then
	253	s = char(k[index]) .. s
	254	else
	255	s = char(k[index-1]) .. s
	256	end
	257	print (index-1, msw, lsw)
	258	end
	259	return s
	260	end
	261	--33LRT-LM9Q9
	262	--7, 122, 3474858630
	263	--20, 4, 1008436634
	264	--7, 0, 627182959
	265	--17, 0, 21626998
	266	--16, 0, 745758
	267	--23, 0, 25715
	268	--21, 0, 886
	269	--16, 0, 30
	270	--1, 0, 1
	271	--1, 0, 0
	272
	273	function DivideByK(msw, lsw)
	274
	275	local lowLSW
	276	local highLSW
	277	local remainder = 0
	278	local RADIX = 29
	279
	280	--local num = 0 \| band( rshift(msw,16), 0xffff)
	281	local num = band( rshift(msw, 16), 0xffff)
	282
	283	--highLSW = 0 \| lshift( (num / RADIX) , 16)
	284	highLSW = lshift( (num / RADIX) , 16)
	285	remainder = num % RADIX
	286
	287	num = bor( lshift(remainder,16), band(msw, 0xffff))
	288
	289	--highLSW \|= num / RADIX
	290	highLSW = highLSW or (num / RADIX)
	291	remainder = num % RADIX
	292
	293	num = bor( lshift(remainder,16), ( band(rshift(lsw,16), 0xffff)))
	294
295	--lowLSW = 0 \| (num / RADIX) << 16
296	lowLSW = 0 or (lshift( (num / RADIX), 16))
297	remainder = num % RADIX
298
299	num = bor( lshift(remainder,16) , band(lsw, 0xffff) )
300
301	lowLSW = bor(lowLSW, (num / RADIX))
302	remainder = num % RADIX
303	return remainder, highLSW, lowLSW
304
305	-- uint num = 0 \| (msw >> 16) & 0xffff;
306
307	-- highLSW = 0 \| (num / RADIX) << 16;
308	-- remainder = num % RADIX;
309
310	-- num = (remainder << 16) \| (msw & 0xffff);
311
312	-- highLSW \|= num / RADIX;
313	-- remainder = num % RADIX;
314
315	-- num = (remainder << 16) \| ((lsw >> 16) & 0xffff);
316
317	-- lowLSW = 0 \| (num / RADIX) << 16;
318	-- remainder = num % RADIX;
319
320	-- num = (remainder << 16) \| (lsw & 0xffff);
321
322	-- lowLSW \|= num / RADIX;
323	-- remainder = num % RADIX;
324
325	end
326
b915fda3	327	local function main(args)
	328
	329	print( string.rep('--',20) )
	330	print( string.rep('--',20) )
	331
	332	local result, err, hex
	333	local maxed = false
	334	local inputTemplate = "dumpdata.bin"
	335	local outputTemplate = os.date("toydump_%Y-%m-%d_%H%M");
	336
	337	-- Arguments for the script
	338	for o, a in getopt.getopt(args, 'hmi:o:') do
	339	if o == "h" then return help() end
	340	if o == "m" then maxed = true end
	341	if o == "o" then outputTemplate = a end
	342	if o == "i" then inputTemplate = a end
	343	end
	344
	345	-- Turn off Debug
	346	local cmdSetDbgOff = "hf mf dbg 0"
	347	core.console( cmdSetDbgOff)
	348
5149e37e	349	-- if not loadFromDump then
	350	-- -- Look for tag present on reader,
	351	-- result, err = lib14a.read1443a(false)
	352	-- if not result then return oops(err) end
b915fda3	353
5149e37e	354	-- core.clearCommandBuffer()
b915fda3	355
5149e37e	356	-- if 0x01 ~= result.sak then -- NXP MIFARE TNP3xxx
	357	-- return oops('This is not a TNP3xxx tag. aborting.')
	358	-- end
b915fda3	359
5149e37e	360	-- -- Show tag info
	361	-- print((' Found tag : %s'):format(result.name))
	362	-- end
b915fda3	363
	364	-- Load dump.bin file
	365	print( (' Load data from %s'):format(inputTemplate))
	366	hex, err = utils.ReadDumpFile(inputTemplate)
	367	if not hex then return oops(err) end
	368
	369	local blocks = {}
	370	local blockindex = 0
	371	for i = 1, #hex, 32 do
	372	blocks[blockindex] = hex:sub(i,i+31)
	373	blockindex = blockindex + 1
	374	end
	375
	376	if DEBUG then
	377	print('Validating checksums in the loaded datadump')
	378	ValidateCheckSums(blocks)
	379	end
	380
	381	--
	382	print( string.rep('--',20) )
	383	print(' Gathering info')
	384	local uid = blocks[0]:sub(1,8)
	385	local itemtype = blocks[1]:sub(1,4)
224ce36e	386	local cardidLsw = blocks[1]:sub(9,16)
224ce36e	387	local cardidMsw = blocks[1]:sub(17,24)
b915fda3	388
224ce36e	389	local itemtypename = toyNames[itemtype]
	390	if itemtypename == nil then
	391	itemtypename = toyNames[utils.SwapEndiannessStr(itemtype,16)]
	392	end
	393
b915fda3	394	-- Show info
b915fda3	395	print( string.rep('--',20) )
224ce36e	396	print( (' ITEM TYPE : 0x%s - %s'):format(itemtype, itemtypename) )
b915fda3	397	print( (' UID : 0x%s'):format(uid) )
224ce36e	398	print( (' CARDID : 0x%s %s [%s]'):format(
	399	cardidMsw,cardidLsw,
	400	--Num2Card(cardidMsw, cardidLsw))
	401	'')
	402	)
b915fda3	403	print( string.rep('--',20) )
b915fda3	404
224ce36e	405
b915fda3	406	-- lets do something.
	407	--
	408	local experience = blocks[8]:sub(1,6)
	409	print(('Experience : %d'):format(utils.SwapEndianness(experience,24)))
	410	local money = blocks[8]:sub(7,10)
	411	print(('Money : %d'):format(utils.SwapEndianness(money,16)))
	412	local fairy = blocks[9]:sub(1,8)
	413	--FD0F = Left, FF0F = Right
	414	local path = 'not choosen'
	415	if fairy:sub(2,2) == 'D' then
	416	path = 'Left'
	417	elseif fairy:sub(2,2) == 'F' then
	418	path = 'Right'
	419	end
	420	print(('Fairy : %d [Path: %s] '):format(utils.SwapEndianness(fairy,24),path))
	421
	422	local hat = blocks[9]:sub(8,11)
	423	print(('Hat : %d'):format(utils.SwapEndianness(hat,16)))
	424
	425	--0x0D 0x29 0x0A 0x02 16-bit hero points value. Maximum 100.
	426	local heropoints = blocks[13]:sub(20,23)
	427	print(('Hero points : %d'):format(utils.SwapEndianness(heropoints,16)))
	428
	429	--0x10 0x2C 0x0C 0x04 32 bit flag value indicating heroic challenges completed.
	430	local challenges = blocks[16]:sub(25,32)
	431	print(('Finished hero challenges : %d'):format(utils.SwapEndianness(challenges,32)))
	432
	433	if maxed then
	434	print('Lets try to max out some values')
	435	-- max out money, experience
	436	--print (blocks[8])
	437	blocks[8] = 'FFFFFF'..'FFFF'..blocks[8]:sub(11,32)
	438	blocks[36] = 'FFFFFF'..'FFFF'..blocks[36]:sub(11,32)
	439	--print (blocks[8])
	440
	441	-- max out hero challenges
	442	--print (blocks[16])
	443	blocks[16] = blocks[16]:sub(1,24)..'FFFFFFFF'
	444	blocks[44] = blocks[44]:sub(1,24)..'FFFFFFFF'
	445	--print (blocks[16])
	446
	447	-- max out heropoints
	448	--print (blocks[13])
	449	blocks[13] = blocks[13]:sub(1,19)..'0064'..blocks[13]:sub(24,32)
	450	blocks[41] = blocks[41]:sub(1,19)..'0064'..blocks[41]:sub(24,32)
	451	--print (blocks[13])
	452
	453	-- Update Checksums
	454	print('Updating all checksums')
	455	SetCheckSum(blocks, 3)
	456	SetCheckSum(blocks, 2)
	457	SetCheckSum(blocks, 1)
	458	SetCheckSum(blocks, 0)
	459
	460	print('Validating all checksums')
	461	ValidateCheckSums(blocks)
	462	end
	463
	464	--Load dumpdata to emulator memory
	465	if DEBUG then
	466	print('Sending dumpdata to emulator memory')
	467	err = LoadEmulator(blocks)
	468	if err then return oops(err) end
	469	core.clearCommandBuffer()
224ce36e	470	print('The simulation is now prepared.\n --> run \"hf mf sim u '..uid..'\" <--')
b915fda3	471	end
	472	end
	473	main(args)