fix lf get sample bits vs bytes bug

[proxmark3-svn] / client / scripts / mfkeys.lua

diff --git a/client/scripts/mfkeys.lua b/client/scripts/mfkeys.lua
index f40b2be22cccb18bbd9d030d30edd3dc22d970ca..c54f6e6777766182c5b03aa1d674baf995d2b78e 100644 (file)
--- 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>
        the license.
        
        Copyright (C) 2013 m h swende <martin at swende.se>

-]]
+--]]

 -- Loads the commands-library
 local cmds = require('commands')
 -- Load the default keys
 -- 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')
 
 -- 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
 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)
 
 
 local function checkCommand(command)
 


@@ -48,6 +86,7 @@ function checkBlock(blockNo, keys, keyType)
        -- The command data is only 512 bytes, each key is 6 bytes, meaning that we can send max 85 keys in one go. 
        -- If there's more, we need to split it up
        local start, remaining= 1, #keys
        -- The command data is only 512 bytes, each key is 6 bytes, meaning that we can send max 85 keys in one go. 
        -- If there's more, we need to split it up
        local start, remaining= 1, #keys

+       local arg1 = bit32.bor(bit32.lshift(keyType, 8), blockNo)

        local packets = {}
        while remaining > 0 do
                local n,data = remaining, nil
        local packets = {}
        while remaining > 0 do
                local n,data = remaining, nil


@@ -57,8 +96,8 @@ function checkBlock(blockNo, keys, keyType)
                --print("data len", #data)
                print(("Testing block %d, keytype %d, with %d keys"):format(blockNo, keyType, n))
                local command = Command:new{cmd = cmds.CMD_MIFARE_CHKKEYS, 
                --print("data len", #data)
                print(("Testing block %d, keytype %d, with %d keys"):format(blockNo, keyType, n))
                local command = Command:new{cmd = cmds.CMD_MIFARE_CHKKEYS, 

-                                                               arg1 = blockNo, 
-                                                               arg2 = keyType, 
+                                                               arg1 = arg1, 
+                                                               arg2 = 1, 

                                                                arg3 = n, 
                                                                data = data}
                local status = checkCommand(command)
                                                                arg3 = n, 
                                                                data = data}
                local status = checkCommand(command)


@@ -101,8 +140,33 @@ local function placeFirst(akey, list)
        end
        return result
 end
        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);
 
 
        print(desc);
 


@@ -117,12 +181,30 @@ local function main()
        core.clearCommandBuffer()
        local blockNo
        local keyType = 0 -- A=0, B=1
        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 
                8 sectors consist of 16 data blocks. 
                --]]
                local blockNo = sector * 4 -1 


@@ -148,7 +230,8 @@ local function main()
                end
        end
        displayresults(result)
                end
        end
        displayresults(result)

+       dumptofile(result)

 end
 
 end
 

-main()
+main( args)