X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/05446d5bc3d9263efc6a12026f6cf84bb421735e..dc3a58466d5118dde8bcd1978d44dd9c64774f26:/client/scripts/tnp3dump.lua diff --git a/client/scripts/tnp3dump.lua b/client/scripts/tnp3dump.lua index 53822c7d..f3d377f7 100644 --- a/client/scripts/tnp3dump.lua +++ b/client/scripts/tnp3dump.lua @@ -5,8 +5,7 @@ local lib14a = require('read14a') local utils = require('utils') local md5 = require('md5') local dumplib = require('html_dumplib') -local toyNames = require('default_toys') - +local toys = require('default_toys') example =[[ script run tnp3dump @@ -31,9 +30,7 @@ Arguments: -p : Use the precalc to find all keys -o : filename for the saved dumps ]] - -local HASHCONSTANT = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20' - +local RANDOM = '20436F707972696768742028432920323031302041637469766973696F6E2E20416C6C205269676874732052657365727665642E20' local TIMEOUT = 2000 -- Shouldn't take longer than 2 seconds local DEBUG = false -- the debug flag local numBlocks = 64 @@ -41,9 +38,7 @@ local numSectors = 16 --- -- 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 @@ -59,6 +54,7 @@ end -- This is only meant to be used when errors occur function oops(err) print("ERROR: ",err) + return nil,err end --- -- Usage help @@ -97,16 +93,6 @@ local function waitCmd() 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) ) @@ -129,7 +115,7 @@ local function main(args) if o == "p" then usePreCalc = true end if o == "o" then outputTemplate = a end end - + -- validate input args. keyA = keyA or '4b0b20107ccb' if #(keyA) ~= 12 then @@ -147,10 +133,6 @@ local function main(args) 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)) @@ -183,6 +165,8 @@ local function main(args) 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()) @@ -190,14 +174,15 @@ local function main(args) 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 @@ -207,6 +192,8 @@ local function main(args) 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} @@ -215,25 +202,24 @@ local function main(args) 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) + 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) + blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,blockdata) else + local baseStr = utils.ConvertHexToAscii(tmpHash:format(blockNo)) + local key = md5.sumhexa(baseStr) + local aestest = core.aes128_decrypt(key, blockdata) + local hex = utils.ConvertAsciiToHex(aestest) + blocks[blockNo+1] = ('%02d :: %s'):format(blockNo,hex) - io.write( blockNo..',') + io.write(blockNo..',') end end else @@ -251,42 +237,44 @@ local function main(args) 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 - end + end end + + print( string.rep('--',20) ) local uid = block0:sub(1,8) - local itemtype = block1:sub(1,4) + local toytype = block1:sub(1,4) local cardidLsw = block1:sub(9,16) local cardidMsw = block1:sub(16,24) local cardid = block1:sub(9,24) - local traptype = block1:sub(25,28) + local subtype = block1:sub(25,28) -- Write dump to files if not DEBUG then - local foo = dumplib.SaveAsBinary(bindata, outputTemplate..'_uid_'..uid..'.bin') + local foo = dumplib.SaveAsBinary(bindata, outputTemplate..'-'..uid..'.bin') print(("Wrote a BIN dump to: %s"):format(foo)) - local bar = dumplib.SaveAsText(emldata, outputTemplate..'_uid_'..uid..'.eml') + local bar = dumplib.SaveAsText(emldata, outputTemplate..'-'..uid..'.eml') print(("Wrote a EML dump to: %s"):format(bar)) end + + print( string.rep('--',20) ) + -- Show info - local itemtypename = toyNames[itemtype] - if itemtypename == nil then - itemtypename = toyNames[utils.SwapEndiannessStr(itemtype,16)] + local item = toys.Find(toytype, subtype) + if item then + print((' ITEM TYPE : %s - %s (%s)'):format(item[6],item[5], item[4]) ) + else + print((' ITEM TYPE : 0x%s 0x%s'):format(toytype, subtype)) end - -- Show info - print( string.rep('--',20) ) - print( (' ITEM TYPE : 0x%s - %s'):format(itemtype, itemtypename) ) - print( (' Alter ego / traptype : 0x%s'):format(traptype) ) + print( (' UID : 0x%s'):format(uid) ) print( (' CARDID : 0x%s'):format(cardid ) ) - print( string.rep('--',20) ) - + + core.clearCommandBuffer() end main(args) \ No newline at end of file