From 8aa79dee20c4df50734897c979b17bcf387c77f6 Mon Sep 17 00:00:00 2001 From: iceman1001 Date: Mon, 3 Nov 2014 21:59:31 +0100 Subject: [PATCH] FIX: added some tnp3xxx identification i formatMifare.lua FIX: tnp3.lua is more or less finished. Needs testing. --- armsrc/lfops.c | 4 +- client/scripts/formatMifare.lua | 10 ++-- client/scripts/tnp3.lua | 99 +++++++++++++++++---------------- 3 files changed, 59 insertions(+), 54 deletions(-) diff --git a/armsrc/lfops.c b/armsrc/lfops.c index dc5efe68..1a7c3224 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -452,7 +452,7 @@ void WriteTItag(uint32_t idhi, uint32_t idlo, uint16_t crc) void SimulateTagLowFrequency(int period, int gap, int ledcontrol) { int i = 0; - uint8_t *buff = (uint8_t *)BigBuf; + uint8_t *buf = (uint8_t *)BigBuf; FpgaDownloadAndGo(FPGA_BITSTREAM_LF); FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz @@ -493,7 +493,7 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol) //#define LOW(x) AT91C_BASE_PIOA->PIO_CODR = (x) //#define HIGH(x) AT91C_BASE_PIOA->PIO_SODR = (x) - if ( buff[i] > 0 ){ + if ( buf[i] > 0 ){ HIGH(GPIO_SSC_DOUT); //FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz //FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_PASSTHRU); diff --git a/client/scripts/formatMifare.lua b/client/scripts/formatMifare.lua index 1ced0c28..66a61fba 100644 --- a/client/scripts/formatMifare.lua +++ b/client/scripts/formatMifare.lua @@ -80,18 +80,20 @@ function GetCardInfo() core.clearCommandBuffer() - if 0x18 == result.sak then --NXP MIFARE Classic 4k | Plus 4k + if 0x18 == result.sak then -- NXP MIFARE Classic 4k | Plus 4k -- IFARE Classic 4K offers 4096 bytes split into forty sectors, -- of which 32 are same size as in the 1K with eight more that are quadruple size sectors. numSectors = 40 - elseif 0x08 == result.sak then -- NXP MIFARE CLASSIC 1k | Plus 2k + elseif 0x08 == result.sak then -- NXP MIFARE CLASSIC 1k | Plus 2k -- 1K offers 1024 bytes of data storage, split into 16 sector numSectors = 16 - elseif 0x09 == result.sak then -- NXP MIFARE Mini 0.3k + elseif 0x09 == result.sak then -- NXP MIFARE Mini 0.3k -- MIFARE Classic mini offers 320 bytes split into five sectors. numSectors = 5 - elseif 0x10 == result.sak then-- "NXP MIFARE Plus 2k" + elseif 0x10 == result.sak then -- NXP MIFARE Plus 2k numSectors = 32 + elseif 0x01 == sak then -- NXP MIFARE TNP3xxx 1K + numSectors = 16 else print("I don't know how many sectors there are on this type of card, defaulting to 16") end diff --git a/client/scripts/tnp3.lua b/client/scripts/tnp3.lua index ea7c3a23..ebe1c6db 100644 --- a/client/scripts/tnp3.lua +++ b/client/scripts/tnp3.lua @@ -7,18 +7,23 @@ local md5 = require('md5') example =[[ 1. script run tnp3 - 2. script run tnp3 -k aabbccddeeff + 2. script run tnp3 -n + 3. script run tnp3 -k aabbccddeeff + 4. script run tnp3 -k aabbccddeeff -n ]] author = "Iceman" -usage = "script run tnp3 -k " +usage = "script run tnp3 -k -n" 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 - Sector 0 Key A. + -h : this help + -k : Sector 0 Key A. + -n : Use the nested cmd to find all keys ]] +-- AES konstant? LEN 0x24 36, +-- I dekompilen är det för internal static array = 0x36 54 local hashconstant = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20' local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds @@ -63,19 +68,10 @@ function ExitMsg(msg) print() end -local function show(data) - if DEBUG then - local formatString = ("H%d"):format(string.len(data)) - local _,hexdata = bin.unpack(formatString, data) - dbg("Hexdata" , hexdata) - end -end - local function readdumpkeys(infile) t = infile:read("*all") len = string.len(t) local len,hex = bin.unpack(("H%d"):format(len),t) - --print(len,hex) return hex end @@ -102,13 +98,15 @@ local function main(args) local keyA local cmd local err + local useNested = false local cmdReadBlockString = 'hf mf rdbl %d A %s' local input = "dumpkeys.bin" -- Arguments for the script - for o, a in getopt.getopt(args, 'hk:') do + for o, a in getopt.getopt(args, 'hk:n') do if o == "h" then return help() end if o == "k" then keyA = a end + if o == "n" then useNested = true end end -- validate input args. @@ -119,36 +117,33 @@ local function main(args) result, err = lib14a.read1443a(false) if not result then - print(err) - return + return oops(err) end + print((' Found tag : %s'):format(result.name)) core.clearCommandBuffer() if 0x01 ~= result.sak then -- NXP MIFARE TNP3xxx - print('This is not a TNP3xxx tag. aborting.') - return + return oops('This is not a TNP3xxx tag. aborting.') end -- Show info print(('Using keyA : %s'):format(keyA)) print( string.rep('--',20) ) - print('Trying to find other keys. ') - --core.console( ('hf mf nested 1 0 A %s d'):format(keyA) ) + print('Trying to find other keys.') + if useNested then + core.console( ('hf mf nested 1 0 A %s d'):format(keyA) ) + end - -- Reading found keys file + -- Loading keyfile local infile = io.open(input, "rb") if infile == nil then return oops('Could not read file ', input) end local akeys = readdumpkeys(infile):sub(0,12*16) - --print( ('KEYS: %s'):format(akeys)) - - print('Reading data need to dump data') - -- Read block 0 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 0,arg2 = 0,arg3 = 0, data = keyA} err = core.SendCommand(cmd:getBytes()) @@ -158,45 +153,46 @@ local function main(args) -- Read block 1 cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = 1,arg2 = 0,arg3 = 0, data = keyA} - local err = core.SendCommand(cmd:getBytes()) + err = core.SendCommand(cmd:getBytes()) if err then return oops(err) end local block1, err = waitCmd() if err then return oops(err) end - print('Dumping data') + local key + local pos = 0 + local blockNo + local blocks = {} -- main loop - print('BLOCK MD5 DECRYPTED ASCII' ) - - local key - local keyPosStart = 0 - local block - for block = 0, numBlocks-1, 1 do - local b = (block+1)%4 - if b ~= 0 then - keyPosStart = (math.floor( block / 4 ) * 12)+1 - key = akeys:sub(keyPosStart, keyPosStart + 12 ) - --print( ('%02d %s'):format(block, key)) - - cmd = Command:new{cmd = cmds.CMD_MIFARE_READBL, arg1 = block ,arg2 = 0,arg3 = 0, data = key} + for blockNo = 8, numBlocks-1, 1 do + local b = blockNo%4 + if b ~= 3 then + pos = (math.floor( blockNo / 4 ) * 12)+1 + key = akeys:sub(pos, pos + 12 ) + 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 - local base = ('%s%s%02d%s'):format(block0, block1, block, hashconstant) + local base = ('%s%s%d%s'):format(block0, block1, blockNo, hashconstant) local md5hash = md5.sumhexa(base) local aestest = core.aes(md5hash, blockdata) local _,hex = bin.unpack(("H%d"):format(16),aestest) - local hexascii = string.gsub(hex, '(%x%x)', - function(value) - return string.char(tonumber(value, 16)) - end - ) - - print( ('%02d :: %s :: %s :: %s :: %s'):format(block,key,md5hash,hex,hexascii) ) + -- local hexascii = string.gsub(hex, '(%x%x)', + -- function(value) + -- return string.char(tonumber(value, 16)) + -- end + -- ) + + if string.find(blockdata, '^0+$') then + blocks[blockNo] = ('%02d :: %s :: %s'):format(blockNo,blockdata,blockdata) + else + --blocks[blockNo] = ('%02d :: %s :: %s :: %s '):format(blockNo,key,md5hash,hex) + blocks[blockNo] = ('%02d :: %s :: %s'):format(blockNo,blockdata,blockdata) + end if core.ukbhit() then print("aborted by user") @@ -204,6 +200,13 @@ local function main(args) end end end + + -- Print results + print('BLK :: DATA DECRYPTED' ) + print( string.rep('--',36) ) + for _,s in pairs(blocks) do + print( s ) + end end main(args) \ No newline at end of file -- 2.39.2