mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-11-11 18:17:46 +08:00
a6cfa75035
fix: mixture between dec & hex numbers caused wrongly identifications of toytypes (default_toys.lua) add: showing bytes for trap-types in tnp3dump.lua
276 lines
No EOL
6.9 KiB
Lua
276 lines
No EOL
6.9 KiB
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 dumplib = require('html_dumplib')
|
|
local toyNames = require('default_toys')
|
|
|
|
example =[[
|
|
1. script run tnp3dump
|
|
2. script run tnp3dump -n
|
|
3. script run tnp3dump -k aabbccddeeff
|
|
4. script run tnp3dump -k aabbccddeeff -n
|
|
5. script run tnp3dump -o myfile
|
|
6. script run tnp3dump -n -o myfile
|
|
7. script run tnp3dump -k aabbccddeeff -n -o myfile
|
|
]]
|
|
author = "Iceman"
|
|
usage = "script run tnp3dump -k <key> -n -o <filename>"
|
|
desc =[[
|
|
This script will try to dump the contents of a Mifare TNP3xxx card.
|
|
It will need a valid KeyA in order to find the other keys and decode the card.
|
|
Arguments:
|
|
-h : this help
|
|
-k <key> : Sector 0 Key A.
|
|
-n : Use the nested cmd to find all keys
|
|
-o : filename for the saved dumps
|
|
]]
|
|
|
|
local HASHCONSTANT = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20'
|
|
|
|
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
|
|
local DEBUG = false -- the debug flag
|
|
local numBlocks = 64
|
|
local numSectors = 16
|
|
---
|
|
-- 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 readdumpkeys(infile)
|
|
t = infile:read("*all")
|
|
len = string.len(t)
|
|
local len,hex = bin.unpack(("H%d"):format(len),t)
|
|
return hex
|
|
end
|
|
|
|
local function waitCmd()
|
|
local response = core.WaitForResponseTimeout(cmds.CMD_ACK,TIMEOUT)
|
|
if response then
|
|
local count,cmd,arg0 = bin.unpack('LL',response)
|
|
if(arg0==1) then
|
|
local count,arg1,arg2,data = bin.unpack('LLH511',response,count)
|
|
return data:sub(1,32)
|
|
else
|
|
return nil, "Couldn't read block.."
|
|
end
|
|
end
|
|
return nil, "No response from device"
|
|
end
|
|
|
|
local function computeCrc16(s)
|
|
local hash = core.crc16(utils.ConvertHexToAscii(s))
|
|
return hash
|
|
end
|
|
|
|
local function reverseCrcBytes(crc)
|
|
crc2 = crc:sub(3,4)..crc:sub(1,2)
|
|
return tonumber(crc2,16)
|
|
end
|
|
|
|
local function main(args)
|
|
|
|
print( string.rep('--',20) )
|
|
print( string.rep('--',20) )
|
|
|
|
local keyA
|
|
local cmd
|
|
local err
|
|
local useNested = false
|
|
local cmdReadBlockString = 'hf mf rdbl %d A %s'
|
|
local input = "dumpkeys.bin"
|
|
local outputTemplate = os.date("toydump_%Y-%m-%d_%H%M%S");
|
|
|
|
-- Arguments for the script
|
|
for o, a in getopt.getopt(args, 'hk:no:') do
|
|
if o == "h" then return help() end
|
|
if o == "k" then keyA = a end
|
|
if o == "n" then useNested = true end
|
|
if o == "o" then outputTemplate = a end
|
|
end
|
|
|
|
-- validate input args.
|
|
keyA = keyA or '4b0b20107ccb'
|
|
if #(keyA) ~= 12 then
|
|
return oops( string.format('Wrong length of write key (was %d) expected 12', #keyA))
|
|
end
|
|
|
|
-- Turn off Debug
|
|
local cmdSetDbgOff = "hf mf dbg 0"
|
|
core.console( cmdSetDbgOff)
|
|
|
|
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))
|
|
print(('Using keyA : %s'):format(keyA))
|
|
|
|
--Trying to find the other keys
|
|
if useNested then
|
|
core.console( ('hf mf nested 1 0 A %s d'):format(keyA) )
|
|
end
|
|
|
|
core.clearCommandBuffer()
|
|
|
|
-- Loading keyfile
|
|
print('Loading dumpkeys.bin')
|
|
local hex, err = utils.ReadDumpFile(input)
|
|
if not hex then
|
|
return oops(err)
|
|
end
|
|
|
|
local akeys = hex:sub(0,12*16)
|
|
|
|
-- Read block 0
|
|
cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 0,arg2 = 0,arg3 = 0, data = keyA}
|
|
err = core.SendCommand(cmd:getBytes())
|
|
if err then return oops(err) end
|
|
local block0, err = waitCmd()
|
|
if err then return oops(err) end
|
|
|
|
-- Read block 1
|
|
cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 1,arg2 = 0,arg3 = 0, data = keyA}
|
|
err = core.SendCommand(cmd:getBytes())
|
|
if err then return oops(err) end
|
|
local block1, err = waitCmd()
|
|
if err then return oops(err) end
|
|
|
|
local key
|
|
local pos = 0
|
|
local blockNo
|
|
local blocks = {}
|
|
|
|
print('Reading card data')
|
|
core.clearCommandBuffer()
|
|
|
|
-- main loop
|
|
io.write('Decrypting blocks > ')
|
|
for blockNo = 0, numBlocks-1, 1 do
|
|
|
|
if core.ukbhit() then
|
|
print("aborted by user")
|
|
break
|
|
end
|
|
|
|
pos = (math.floor( blockNo / 4 ) * 12)+1
|
|
key = akeys:sub(pos, pos + 11 )
|
|
cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = blockNo ,arg2 = 0,arg3 = 0, data = key}
|
|
local err = core.SendCommand(cmd:getBytes())
|
|
if err then return oops(err) end
|
|
local blockdata, err = waitCmd()
|
|
if err then return oops(err) end
|
|
|
|
if blockNo%4 ~= 3 then
|
|
if blockNo < 8 then
|
|
-- Block 0-7 not encrypted
|
|
blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,blockdata)
|
|
else
|
|
local base = ('%s%s%02x%s'):format(block0, block1, blockNo, HASHCONSTANT)
|
|
local baseStr = utils.ConvertHexToAscii(base)
|
|
local md5hash = md5.sumhexa(baseStr)
|
|
local aestest = core.aes(md5hash, blockdata)
|
|
|
|
local hex = utils.ConvertAsciiToBytes(aestest)
|
|
hex = utils.ConvertBytesToHex(hex)
|
|
|
|
-- blocks with zero not encrypted.
|
|
if string.find(blockdata, '^0+$') then
|
|
blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,blockdata)
|
|
else
|
|
blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,hex)
|
|
io.write( blockNo..',')
|
|
end
|
|
end
|
|
else
|
|
-- Sectorblocks, not encrypted
|
|
blocks[blockNo+1] = ('%02d :: %s%s'):format(blockNo,key,blockdata:sub(13,32))
|
|
end
|
|
end
|
|
io.write('\n')
|
|
|
|
core.clearCommandBuffer()
|
|
|
|
-- Print results
|
|
local bindata = {}
|
|
local emldata = ''
|
|
|
|
for _,s in pairs(blocks) do
|
|
local slice = s:sub(8,#s)
|
|
local str = utils.ConvertBytesToAscii(
|
|
utils.ConvertHexToBytes(slice)
|
|
)
|
|
emldata = emldata..slice..'\n'
|
|
for c in (str):gmatch('.') do
|
|
bindata[#bindata+1] = c
|
|
end
|
|
end
|
|
|
|
|
|
local uid = block0:sub(1,8)
|
|
local itemtype = block1:sub(1,4)
|
|
local cardid = block1:sub(9,24)
|
|
local traptype = block1:sub(25,28)
|
|
|
|
-- Write dump to files
|
|
if not DEBUG then
|
|
local foo = dumplib.SaveAsBinary(bindata, outputTemplate..'_uid_'..uid..'.bin')
|
|
print(("Wrote a BIN dump to the file %s"):format(foo))
|
|
local bar = dumplib.SaveAsText(emldata, outputTemplate..'_uid_'..uid..'.eml')
|
|
print(("Wrote a EML dump to the file %s"):format(bar))
|
|
end
|
|
|
|
-- Show info
|
|
print( string.rep('--',20) )
|
|
print( (' ITEM TYPE : 0x%s - %s'):format(itemtype, toyNames[itemtype]) )
|
|
print( (' Alter ego / traptype : 0x%s'):format(traptype) )
|
|
print( (' UID : 0x%s'):format(uid) )
|
|
print( (' CARDID : 0x%s'):format(cardid ) )
|
|
|
|
print( string.rep('--',20) )
|
|
|
|
end
|
|
main(args) |