git.zerfleddert.de Git - proxmark3-svn/blob - client/scripts/hard.lua

   1 local cmds = require('commands')
   2 local getopt = require('getopt')
   3 local utils = require('utils')
   4 local lib14a = require('read14a')
   5
   6 example = "script iterates over all possible sectors for a tag and runs hardnested attack against them to collect the keys."
   7 author = "Iceman"
   8 desc =
   9 [[
  10 This script iterates over all possible sectors for a tag and runs hardnested attack against them to collect the keys.
  11
  12 Arguments:
  13         -k                              Known key, 6 bytes (12 hex digits)
  14 Examples :
  15         script hard -b 112233445566
  16 ]]
  17
  18 local numBlocks = 64
  19 local numSectors = 16
  20 local DEBUG = TRUE
  21 ---
  22 -- A debug printout-function
  23 function dbg(args)
  24         if not DEBUG then return end
  25
  26     if type(args) == "table" then
  27                 local i = 1
  28                 while result[i] do
  29                         dbg(result[i])
  30                         i = i+1
  31                 end
  32         else
  33                 print("###", args)
  34         end
  35 end
  36 ---
  37 -- This is only meant to be used when errors occur
  38 function oops(err)
  39         print("ERROR: ",err)
  40         return nil,err
  41 end
  42 ---
  43 -- Usage help
  44 function help()
  45         print(desc)
  46         print("Example usage")
  47         print(example)
  48 end
  49 --
  50 -- Exit message
  51 function ExitMsg(msg)
  52         print( string.rep('--',20) )
  53         print( string.rep('--',20) )
  54         print(msg)
  55         print()
  56 end
  57 ---
  58 -- a simple selftest function,
  59 local function selftest()
  60         return nil
  61 end
  62
  63 ---
  64 -- The main entry point
  65 function main(args)
  66
  67         local blockno = '00'
  68         local keytype = 0 --A  01==B
  69         local key = 'fc00018778f7'
  70         local trgkey = ''
  71
  72         local data
  73         -- Read the parameters
  74         for o, a in getopt.getopt(args, 'hk:t') do
  75                 if o == "h" then return help() end
  76                 if o == "k" then key = a end
  77                 if o == "t" then return selftest() end
  78         end
  79
  80         -- Turn off Debug
  81         local cmdSetDbgOff = "hf mf dbg 0"
  82         core.console( cmdSetDbgOff)
  83         -- identify tag
  84         result, err = lib14a.read1443a(false)
  85         if not result then
  86                 return oops(err)
  87         end
  88         core.clearCommandBuffer()
  89
  90         -- Show tag info
  91         print((' Found tag %s'):format(result.name))
  92
  93         local keys = {}
  94         -- loop
  95         for i=4, 12     , 4 do
  96                 for trgkeytype=0,1 do
  97                         local trgblockno = ("%02d"):format(i)
  98                         local err, found_key = core.hardnested(blockno, keytype, key, trgblockno, trgkeytype, trgkey, 0,0,0,0)
  99
 100                         table.insert( keys ,  { ["success"] = err, ["sector"] = i, ["type"] = trgkeytype, ["key"] =  utils.ConvertAsciiToHex(found_key) } )
 101                 end
 102         end
 103         --print
 104         for k,v in pairs(keys) do
 105                 for a,b in pairs(v) do print(a,b) end
 106         end
 107 end
 108
 109 main(args)