mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-22 00:06:13 +08:00
95e635947b
ADD: found some new default keys ADD: changed alot of memorys buffers to use constant values. like usbbuffer sizes, tracelogs, etc etc ADD: all changes Peter filmoore has in his pull request.
355 lines
10 KiB
Lua
355 lines
10 KiB
Lua
local cmds = require('commands')
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local getopt = require('getopt')
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local bin = require('bin')
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local lib14a = require('read14a')
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local utils = require('utils')
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local md5 = require('md5')
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local toyNames = require('default_toys')
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example =[[
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1. script run tnp3sim
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2. script run tnp3sim -m
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3. script run tnp3sim -m -i myfile
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]]
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author = "Iceman"
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usage = "script run tnp3sim -h -m -i <filename>"
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desc =[[
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This script will try to load a binary datadump of a Mifare TNP3xxx card.
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It vill try to validate all checksums and view some information stored in the dump
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For an experimental mode, it tries to manipulate some data.
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At last it sends all data to the PM3 device memory where it can be used in the command "hf mf sim"
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Arguments:
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-h : this help
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-m : Maxed out items (experimental)
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-i : filename for the datadump to read (bin)
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]]
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local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
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local DEBUG = true -- the debug flag
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---
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-- A debug printout-function
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function dbg(args)
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if not DEBUG then
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return
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end
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if type(args) == "table" then
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local i = 1
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while result[i] do
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dbg(result[i])
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i = i+1
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end
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else
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print("###", args)
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end
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end
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---
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-- This is only meant to be used when errors occur
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function oops(err)
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print("ERROR: ",err)
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end
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---
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-- Usage help
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function help()
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print(desc)
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print("Example usage")
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print(example)
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end
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--
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-- Exit message
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function ExitMsg(msg)
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print(msg)
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print()
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end
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local function writedumpfile(infile)
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t = infile:read("*all")
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len = string.len(t)
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local len,hex = bin.unpack(("H%d"):format(len),t)
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return hex
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end
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-- blocks with data
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-- there are two dataareas, in block 8 or block 36, ( 1==8 ,
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-- checksum type = 0, 1, 2, 3
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local function GetCheckSum(blocks, dataarea, chksumtype)
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local crc
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local area = 36
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if dataarea == 1 then
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area = 8
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end
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if chksumtype == 0 then
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crc = blocks[1]:sub(29,32)
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elseif chksumtype == 1 then
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crc = blocks[area]:sub(29,32)
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elseif chksumtype == 2 then
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crc = blocks[area]:sub(25,28)
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elseif chksumtype == 3 then
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crc = blocks[area]:sub(21,24)
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end
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return utils.SwapEndianness(crc,16)
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end
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local function SetCheckSum(blocks, chksumtype)
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if blocks == nil then return nil, 'Argument \"blocks\" nil' end
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local newcrc
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local area1 = 8
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local area2 = 36
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if chksumtype == 0 then
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newcrc = ('%04X'):format(CalcCheckSum(blocks,1,0))
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blocks[1] = blocks[1]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
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elseif chksumtype == 1 then
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newcrc = ('%04X'):format(CalcCheckSum(blocks,1,1))
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blocks[area1] = blocks[area1]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
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newcrc = ('%04X'):format(CalcCheckSum(blocks,2,1))
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blocks[area2] = blocks[area2]:sub(1,28)..newcrc:sub(3,4)..newcrc:sub(1,2)
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elseif chksumtype == 2 then
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newcrc = ('%04X'):format(CalcCheckSum(blocks,1,2))
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blocks[area1] = blocks[area1]:sub(1,24)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area1]:sub(29,32)
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newcrc = ('%04X'):format(CalcCheckSum(blocks,2,2))
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blocks[area2] = blocks[area2]:sub(1,24)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area2]:sub(29,32)
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elseif chksumtype == 3 then
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newcrc = ('%04X'):format(CalcCheckSum(blocks,1,3))
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blocks[area1] = blocks[area1]:sub(1,20)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area1]:sub(25,32)
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newcrc = ('%04X'):format(CalcCheckSum(blocks,2,3))
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blocks[area2] = blocks[area2]:sub(1,20)..newcrc:sub(3,4)..newcrc:sub(1,2)..blocks[area2]:sub(25,32)
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end
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end
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function CalcCheckSum(blocks, dataarea, chksumtype)
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local area = 36
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if dataarea == 1 then
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area = 8
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end
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if chksumtype == 0 then
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data = blocks[0]..blocks[1]:sub(1,28)
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elseif chksumtype == 1 then
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data = blocks[area]:sub(1,28)..'0500'
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elseif chksumtype == 2 then
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data = blocks[area+1]..blocks[area+2]..blocks[area+4]
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elseif chksumtype == 3 then
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data = blocks[area+5]..blocks[area+6]..blocks[area+8]..string.rep('00',0xe0)
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end
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return utils.Crc16(data)
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end
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local function ValidateCheckSums(blocks)
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local isOk, crc, calc
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-- Checksum Type 0
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crc = GetCheckSum(blocks,1,0)
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calc = CalcCheckSum(blocks, 1, 0)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 0 : %04x = %04x -- %s\n'):format(crc,calc,isOk))
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-- Checksum Type 1 (DATAAREAHEADER 1)
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crc = GetCheckSum(blocks,1,1)
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calc = CalcCheckSum(blocks,1,1)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 1 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
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-- Checksum Type 1 (DATAAREAHEADER 2)
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crc = GetCheckSum(blocks,2,1)
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calc = CalcCheckSum(blocks,2,1)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 1 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
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-- Checksum Type 2 (DATAAREA 1)
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crc = GetCheckSum(blocks,1,2)
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calc = CalcCheckSum(blocks,1,2)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 2 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
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-- Checksum Type 2 (DATAAREA 2)
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crc = GetCheckSum(blocks,2,2)
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calc = CalcCheckSum(blocks,2,2)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 2 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
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-- Checksum Type 3 (DATAAREA 1)
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crc = GetCheckSum(blocks,1,3)
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calc = CalcCheckSum(blocks,1,3)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 3 area 1: %04x = %04x -- %s\n'):format(crc,calc,isOk))
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-- Checksum Type 3 (DATAAREA 2)
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crc = GetCheckSum(blocks,2,3)
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calc = CalcCheckSum(blocks,2,3)
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if crc == calc then isOk='Ok' else isOk = 'Error' end
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io.write( ('TYPE 3 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
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end
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local function LoadEmulator(blocks)
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local HASHCONSTANT = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20'
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local cmd
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local blockdata
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for _,b in pairs(blocks) do
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blockdata = b
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if _%4 ~= 3 then
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if (_ >= 8 and _<=21) or (_ >= 36 and _<=49) then
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local base = ('%s%s%02x%s'):format(blocks[0], blocks[1], _ , HASHCONSTANT)
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local baseStr = utils.ConvertHexToAscii(base)
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local key = md5.sumhexa(baseStr)
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local enc = core.aes(key, blockdata)
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local hex = utils.ConvertAsciiToBytes(enc)
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hex = utils.ConvertBytesToHex(hex)
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blockdata = hex
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io.write( _..',')
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end
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end
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cmd = Command:new{cmd = cmds.CMD_MIFARE_EML_MEMSET, arg1 = _ ,arg2 = 1,arg3 = 0, data = blockdata}
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local err = core.SendCommand(cmd:getBytes())
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if err then
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return err
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end
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end
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io.write('\n')
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end
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local function main(args)
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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local result, err, hex
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local maxed = false
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local inputTemplate = "dumpdata.bin"
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local outputTemplate = os.date("toydump_%Y-%m-%d_%H%M");
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-- Arguments for the script
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for o, a in getopt.getopt(args, 'hmi:o:') do
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if o == "h" then return help() end
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if o == "m" then maxed = true end
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if o == "o" then outputTemplate = a end
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if o == "i" then inputTemplate = a end
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end
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-- Turn off Debug
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local cmdSetDbgOff = "hf mf dbg 0"
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core.console( cmdSetDbgOff)
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-- Look for tag present on reader,
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result, err = lib14a.read1443a(false)
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if not result then return oops(err) end
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core.clearCommandBuffer()
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if 0x01 ~= result.sak then -- NXP MIFARE TNP3xxx
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return oops('This is not a TNP3xxx tag. aborting.')
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end
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-- Show tag info
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print((' Found tag : %s'):format(result.name))
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-- Load dump.bin file
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print( (' Load data from %s'):format(inputTemplate))
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hex, err = utils.ReadDumpFile(inputTemplate)
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if not hex then return oops(err) end
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local blocks = {}
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local blockindex = 0
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for i = 1, #hex, 32 do
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blocks[blockindex] = hex:sub(i,i+31)
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blockindex = blockindex + 1
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end
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if DEBUG then
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print('Validating checksums in the loaded datadump')
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ValidateCheckSums(blocks)
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end
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--
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print( string.rep('--',20) )
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print(' Gathering info')
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local uid = blocks[0]:sub(1,8)
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local itemtype = blocks[1]:sub(1,4)
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local cardid = blocks[1]:sub(9,24)
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-- Show info
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print( string.rep('--',20) )
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print( (' ITEM TYPE : 0x%s - %s'):format(itemtype, toyNames[itemtype]) )
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print( (' UID : 0x%s'):format(uid) )
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print( (' CARDID : 0x%s'):format(cardid ) )
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print( string.rep('--',20) )
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-- lets do something.
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--
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local experience = blocks[8]:sub(1,6)
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print(('Experience : %d'):format(utils.SwapEndianness(experience,24)))
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local money = blocks[8]:sub(7,10)
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print(('Money : %d'):format(utils.SwapEndianness(money,16)))
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local fairy = blocks[9]:sub(1,8)
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--FD0F = Left, FF0F = Right
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local path = 'not choosen'
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if fairy:sub(2,2) == 'D' then
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path = 'Left'
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elseif fairy:sub(2,2) == 'F' then
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path = 'Right'
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end
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print(('Fairy : %d [Path: %s] '):format(utils.SwapEndianness(fairy,24),path))
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local hat = blocks[9]:sub(8,11)
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print(('Hat : %d'):format(utils.SwapEndianness(hat,16)))
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--0x0D 0x29 0x0A 0x02 16-bit hero points value. Maximum 100.
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local heropoints = blocks[13]:sub(20,23)
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print(('Hero points : %d'):format(utils.SwapEndianness(heropoints,16)))
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--0x10 0x2C 0x0C 0x04 32 bit flag value indicating heroic challenges completed.
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local challenges = blocks[16]:sub(25,32)
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print(('Finished hero challenges : %d'):format(utils.SwapEndianness(challenges,32)))
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if maxed then
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print('Lets try to max out some values')
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-- max out money, experience
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--print (blocks[8])
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blocks[8] = 'FFFFFF'..'FFFF'..blocks[8]:sub(11,32)
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blocks[36] = 'FFFFFF'..'FFFF'..blocks[36]:sub(11,32)
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--print (blocks[8])
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-- max out hero challenges
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--print (blocks[16])
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blocks[16] = blocks[16]:sub(1,24)..'FFFFFFFF'
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blocks[44] = blocks[44]:sub(1,24)..'FFFFFFFF'
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--print (blocks[16])
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-- max out heropoints
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--print (blocks[13])
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blocks[13] = blocks[13]:sub(1,19)..'0064'..blocks[13]:sub(24,32)
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blocks[41] = blocks[41]:sub(1,19)..'0064'..blocks[41]:sub(24,32)
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--print (blocks[13])
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-- Update Checksums
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print('Updating all checksums')
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SetCheckSum(blocks, 3)
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SetCheckSum(blocks, 2)
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SetCheckSum(blocks, 1)
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SetCheckSum(blocks, 0)
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print('Validating all checksums')
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ValidateCheckSums(blocks)
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end
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--Load dumpdata to emulator memory
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if DEBUG then
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print('Sending dumpdata to emulator memory')
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err = LoadEmulator(blocks)
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if err then return oops(err) end
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core.clearCommandBuffer()
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print('The simulation is now prepared.\n --> run \"hf mf sim 5 '..uid..'\" <--')
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end
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end
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main(args) |