1 local cmds = require('commands')
2 local getopt = require('getopt')
3 local lib14a = require('read14a')
4 local utils = require('utils')
5 local pre = require('precalc')
6 local toys = require('default_toys')
8 local lsh = bit32.lshift
9 local rsh = bit32.rshift
11 local band = bit32.band
15 script run tnp3clone -h
16 script run tnp3clone -l
17 script run tnp3clone -t aa00 -s 0030
21 usage = "script run tnp3clone -t <toytype> -s <subtype>"
23 This script will try making a barebone clone of a tnp3 tag on to a magic generation1 card.
27 -l : list all known toy tokens
28 -t <data> : toytype id, 4hex symbols
29 -s <data> : subtype id, 4hex symbols
31 For fun, try the following subtype id:
41 -- This is only meant to be used when errors occur
48 print("Example usage")
52 local function waitCmd()
53 local response = core.WaitForResponseTimeout(cmds.CMD_ACK,2000)
55 local count,cmd,arg0 = bin.unpack('LL',response)
57 local count,arg1,arg2,data = bin.unpack('LLH511',response,count)
60 return nil, "Couldn't read block."
63 return nil, "No response from device"
66 local function readblock( blocknum, keyA )
68 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = blocknum, arg2 = 0, arg3 = 0, data = keyA}
69 err = core.SendCommand(cmd:getBytes())
70 if err then return nil, err end
71 local block0, err = waitCmd()
72 if err then return nil, err end
75 local function readmagicblock( blocknum )
77 local CSETBLOCK_SINGLE_OPERATION = 0x1F
78 cmd = Command:new{cmd = cmds.CMD_MIFARE_CGETBLOCK, arg1 = CSETBLOCK_SINGLE_OPERATION, arg2 = 0, arg3 = blocknum}
79 err = core.SendCommand(cmd:getBytes())
80 if err then return nil, err end
81 local block0, err = waitCmd()
82 if err then return nil, err end
86 local function main(args)
88 print( string.rep('--',20) )
89 print( string.rep('--',20) )
92 local cset = 'hf mf csetbl '
93 local csetuid = 'hf mf csetuid '
94 local cget = 'hf mf cgetbl '
95 local empty = '00000000000000000000000000000000'
96 local AccAndKeyB = '7F078869000000000000'
98 local toytype = 'C201'
99 local subtype = '0030'
102 -- Arguments for the script
103 for o, a in getopt.getopt(args, 'ht:s:l') do
104 if o == "h" then return help() end
105 if o == "t" then toytype = a end
106 if o == "s" then subtype = a end
107 if o == "l" then return toys.List() end
110 if #toytype ~= 4 then return oops('Wrong size - toytype. (4hex symbols)') end
111 if #subtype ~= 4 then return oops('Wrong size - subtype. (4hex symbols)') end
113 -- look up type, find & validate types
114 local item = toys.Find( toytype, subtype)
116 print( (' Looking up input: Found %s - %s (%s)'):format(item[6],item[5], item[4]) )
118 print('Didn\'t find item type. If you are sure about it, report it in')
125 result, err = lib14a.read1443a(false)
126 if not result then return oops(err) end
129 local akeys = pre.GetAll(result.uid)
130 local keyA = akeys:sub(1, 12 )
132 local b0 = readblock(0,keyA)
134 print('failed reading block with factorydefault key. Trying chinese magic read.')
135 b0, err = readmagicblock(0)
138 return oops('failed reading block with chinese magic command. quitting...')
143 local cmd = (csetuid..'%s 0004 08 w'):format(result.uid)
146 local b1 = toytype..string.rep('00',10)..subtype
148 local calc = utils.Crc16(b0..b1)
149 local calcEndian = bor(rsh(calc,8), lsh(band(calc, 0xff), 8))
151 local cmd = (cset..'1 %s%04x'):format( b1, calcEndian)
155 for blockNo = 2, numBlocks-1, 1 do
156 pos = (math.floor( blockNo / 4 ) * 12)+1
157 key = akeys:sub(pos, pos + 11 )
158 if blockNo%4 == 3 then
159 cmd = ('%s %d %s%s'):format(cset,blockNo,key,AccAndKeyB)
163 core.clearCommandBuffer()