---
-- A debug printout-function
function dbg(args)
- if not DEBUG then
- return
- end
+ if not DEBUG then return end
if type(args) == "table" then
local i = 1
-- This is only meant to be used when errors occur
function oops(err)
print("ERROR: ",err)
+ return nil,err
end
---
-- Usage help
local block0, err = waitCmd()
if err then return oops(err) end
+ core.clearCommandBuffer()
+
-- Read block 1
cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 1,arg2 = 0,arg3 = 0, data = keyA}
err = core.SendCommand(cmd:getBytes())
local block1, err = waitCmd()
if err then return oops(err) end
+ core.clearCommandBuffer()
+
local tmpHash = block0..block1..'%02x'..RANDOM
local key
local pos = 0
local blockNo
local blocks = {}
-
- print('Reading card data')
- core.clearCommandBuffer()
-
+
-- main loop
io.write('Reading blocks > ')
for blockNo = 0, numBlocks-1, 1 do
break
end
+ core.clearCommandBuffer()
+
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 baseStr = utils.ConvertHexToAscii(tmpHash:format(blockNo))
local key = md5.sumhexa(baseStr)
local aestest = core.aes128_decrypt(key, blockdata)
- local hex = utils.ConvertAsciiToBytes(aestest)
- hex = utils.ConvertBytesToHex(hex)
+ local hex = ConvertAsciiToHex(aestest)
+
blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,hex)
io.write(blockNo..',')
end
for _,s in pairs(blocks) do
local slice = s:sub(8,#s)
- local str = utils.ConvertBytesToAscii(
- utils.ConvertHexToBytes(slice)
- )
+ local str = utils.ConvertHexToAscii(slice)
emldata = emldata..slice..'\n'
for c in (str):gmatch('.') do
bindata[#bindata+1] = c
local utils = require('utils')
local md5 = require('md5')
local toys = require('default_toys')
-
+local pre = require('precalc')
+
example =[[
1. script run tnp3sim
2. script run tnp3sim -m
]]
local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds
-local DEBUG = false -- the debug flag
+local DEBUG = true -- the debug flag
local RANDOM = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20'
local band = bit32.band
---
-- A debug printout-function
function dbg(args)
- if not DEBUG then
- return
- end
+ if not DEBUG then return end
if type(args) == "table" then
local i = 1
return utils.SwapEndianness(crc,16)
end
+local function SetAllCheckSum(blocks)
+ print('Updating all checksums')
+ SetCheckSum(blocks, 3)
+ SetCheckSum(blocks, 2)
+ SetCheckSum(blocks, 1)
+ SetCheckSum(blocks, 0)
+end
+
local function SetCheckSum(blocks, chksumtype)
if blocks == nil then return nil, 'Argument \"blocks\" nil' end
end
local function ValidateCheckSums(blocks)
-
+ print(' Validating checksums')
+
local isOk, crc, calc
-- Checksum Type 0
crc = GetCheckSum(blocks,1,0)
io.write( ('TYPE 3 area 2: %04x = %04x -- %s\n'):format(crc,calc,isOk))
end
-local function LoadEmulator(blocks)
- local cmd
- local blockdata
+
+local function AddKey(keys, blockNo, data)
+ local pos = (math.floor( blockNo / 4 ) * 12)+1
+ local key = keys:sub(pos, pos + 11 )
+ return key..data:sub(13)
+end
+
+local function LoadEmulator(uid, blocks)
+ print('Sending dumpdata to emulator memory')
+ local keys = pre.GetAll(uid)
+ local cmd, blockdata
for _,b in pairs(blocks) do
blockdata = b
local baseStr = utils.ConvertHexToAscii(base)
local key = md5.sumhexa(baseStr)
local enc = core.aes128_encrypt(key, blockdata)
- local hex = utils.ConvertAsciiToBytes(enc)
- hex = utils.ConvertBytesToHex(hex)
-
- blockdata = hex
+ blockdata = utils.ConvertAsciiToHex(enc)
io.write( _..',')
end
+ else
+ -- add keys if not existing..
+ if ( blockdata:sub(1,12) == '000000000000' ) then
+ blockdata = AddKey(keys, _, blockdata)
+ end
end
-
+ core.clearCommandBuffer()
cmd = Command:new{cmd = cmds.CMD_MIFARE_EML_MEMSET, arg1 = _ ,arg2 = 1,arg3 = 16, data = blockdata}
local err = core.SendCommand(cmd:getBytes())
if err then return err end
blockindex = blockindex + 1
end
- if DEBUG then
- print(' Validating checksums')
- ValidateCheckSums(blocks)
- end
+ if DEBUG then ValidateCheckSums(blocks) end
--
print( string.rep('--',20) )
local level = blocks[13]:sub(27,28)
print(('LEVEL : %d'):format( tonumber(level,16)))
- --hälsa: 667 029b
+
--local health = blocks[]:sub();
--print(('Health : %d'):format( tonumber(health,16))
--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')
+ SetAllCheckSum(blocks)
+
+ -- Validate Checksums
ValidateCheckSums(blocks)
end
-
+
--Load dumpdata to emulator memory
if DEBUG then
- print('Sending dumpdata to emulator memory')
- err = LoadEmulator(blocks)
+ err = LoadEmulator(uid, blocks)
if err then return oops(err) end
core.clearCommandBuffer()
print('The simulation is now prepared.\n --> run \"hf mf sim u '..uid..'\" <--')