X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b13fa4448f517b46e917c5145050f434d6df24d5..17cba2693d87d80b98a20ad8c2774155fa55d3fa:/client/scripts/mfkeys.lua?ds=sidebyside diff --git a/client/scripts/mfkeys.lua b/client/scripts/mfkeys.lua index f40b2be2..9471ad4b 100644 --- a/client/scripts/mfkeys.lua +++ b/client/scripts/mfkeys.lua @@ -7,7 +7,7 @@ the license. Copyright (C) 2013 m h swende <martin at swende.se> -]] +--]] -- Loads the commands-library local cmds = require('commands') -- Load the default keys @@ -15,11 +15,49 @@ local keys = require('mf_default_keys') -- Ability to read what card is there local reader = require('read14a') + local desc = ("This script implements check keys. It utilises a large list of default keys (currently %d keys).\ If you want to add more, just put them inside mf_default_keys.lua. "):format(#keys) local TIMEOUT = 10000 -- 10 seconds + +--[[This may be moved to a separate library at some point]] +local utils = +{ + --- + -- Asks the user for Yes or No + confirm = function(message, ...) + local answer + message = message .. " [y]/[n] ?" + repeat + io.write(message) + io.flush() + answer=io.read() + if answer == 'Y' or answer == "y" then + return true + elseif answer == 'N' or answer == 'n' then + return false + end + until false + end, + --- + -- Asks the user for input + input = function (message , default) + local answer + if default ~= nil then + message = message .. " (default: ".. default.. " )" + end + message = message .." \n > " + io.write(message) + io.flush() + answer=io.read() + if answer == '' then answer = default end + + return answer + end, +} + local function checkCommand(command) @@ -101,8 +139,33 @@ local function placeFirst(akey, list) end return result end +local function dumptofile(results) + local sector, blockNo, keyA, keyB,_ -local function main() + if utils.confirm("Do you wish to save the keys to dumpfile?") then + local destination = utils.input("Select a filename to store to", "dumpkeys.bin") + local file = io.open(destination, "w") + if file == nil then + print("Could not write to file ", destination) + return + end + + local key_a = "" + local key_b = "" + + for sector,_ in pairs(results) do + blockNo, keyA, keyB = unpack(_) + key_a = key_a .. bin.pack("H",keyA); + key_b = key_b .. bin.pack("H",keyB); + end + file:write(key_a) + file:write(key_b) + file:close() + end +end + + +local function main( args) print(desc); @@ -117,12 +180,30 @@ local function main() core.clearCommandBuffer() local blockNo local keyType = 0 -- A=0, B=1 - local result = {} - for sector=1,40,1 do + local numSectors = 16 + + 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 + -- 1K offers 1024 bytes of data storage, split into 16 sector + numSectors = 16 + 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" + numSectors = 32 + else + print("I don't know how many sectors there are on this type of card, defaulting to 16") + end + + result = {} + for sector=1,numSectors,1 do --[[ - The mifare Classic 1k card has 16 sectors of 4 data blocks each. The - first 32 sectors of a mifare Classic 4k card consists of 4 data blocks and the remaining + The mifare Classic 1k card has 16 sectors of 4 data blocks each. + The first 32 sectors of a mifare Classic 4k card consists of 4 data blocks and the remaining 8 sectors consist of 16 data blocks. --]] local blockNo = sector * 4 -1 @@ -148,7 +229,8 @@ local function main() end end displayresults(result) + dumptofile(result) end -main() +main( args)