mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-22 00:06:13 +08:00
113 lines
2.7 KiB
Lua
113 lines
2.7 KiB
Lua
local cmds = require('commands')
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local getopt = require('getopt')
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local lib14a = require('read14a')
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local utils = require('utils')
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local pre = require('precalc')
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local lsh = bit32.lshift
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local rsh = bit32.rshift
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local bor = bit32.bor
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local band = bit32.band
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example =[[
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script run tnp3dump
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script run tnp3dump -h
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script run tnp3dump -t aa00
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]]
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author = "Iceman"
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usage = "script run tnp3clone -t <toytype>"
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desc =[[
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This script will try making a barebone clone of a tnp3 tag on to a magic generation1 card.
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Arguments:
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-h : this help
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-k <key> : toytype id, 4 hex symbols.
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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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-- 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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local function waitCmd()
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local response = core.WaitForResponseTimeout(cmds.CMD_ACK,2000)
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if response then
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local count,cmd,arg0 = bin.unpack('LL',response)
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if(arg0==1) then
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local count,arg1,arg2,data = bin.unpack('LLH511',response,count)
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return data:sub(1,32)
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else
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return nil, "Couldn't read block."
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end
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end
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return nil, "No response from device"
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end
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local function readblock( keyA )
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-- Read block 0
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cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 0,arg2 = 0,arg3 = 0, data = keyA}
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err = core.SendCommand(cmd:getBytes())
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if err then return oops(err) end
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local block0, err = waitCmd()
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if err then return oops(err) end
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return block0
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end
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local function main(args)
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local numBlocks = 64
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local cset = 'hf mf csetbl'
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local empty = '00000000000000000000000000000000'
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local AccAndKeyB = '7F078869000000000000'
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-- Defaults to Gusto
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local toytype = 'C201'
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-- Arguments for the script
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for o, a in getopt.getopt(args, 'ht:') do
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if o == "h" then return help() end
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if o == "t" then toytype = a end
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end
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if #toytype ~= 4 then return oops('Wrong size in toytype. (4hex symbols)') end
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-- find tag
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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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-- Show tag info
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print((' Found tag %s'):format(result.name))
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-- load keys
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local akeys = pre.GetAll(result.uid)
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local keyA = akeys:sub(1, 12 )
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local b0 = readblock(keyA)
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local b1 = toytype..'000000000000000000000000'
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local calc = utils.Crc16(b0..b1)
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local calcEndian = bor(rsh(calc,8), lsh(band(calc, 0xff), 8))
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local cmd = ('hf mf csetbl 1 %s%04x'):format( b1, calcEndian)
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core.console( cmd)
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local pos, key
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for blockNo = 2, numBlocks-1, 1 do
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pos = (math.floor( blockNo / 4 ) * 12)+1
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key = akeys:sub(pos, pos + 11 )
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if blockNo%4 ~= 3 then
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cmd = ('%s %d %s'):format(cset,blockNo,empty)
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else
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cmd = ('%s %d %s%s'):format(cset,blockNo,key,AccAndKeyB)
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end
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core.console(cmd)
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end
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end
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main(args) |