mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-18 14:10:36 -07:00
109 lines
3.0 KiB
Lua
109 lines
3.0 KiB
Lua
local getopt = require('getopt')
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local ansicolors = require('ansicolors')
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--Copyright
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copyright = ''
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author = 'nisgola'
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version = 'v1'
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-- Script description
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desc = [[
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This is a script that write Sector Trailers to the emulator memory.
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By default, both keys A and B are set to 0xFFFFFFFFFFFF.
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The Access Bytes are set to 0xFF0780 and User Bytes to 0x00.
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]]
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example = [[
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-- Use default formatting
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1. script run hf_mf_em_util
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-- Change keys A and B
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2. script run hf_mf_em_util -a 112233445566 -b AABBCCDDEEFF
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-- Define access bits and User byte
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3. script run hf_mf_em_util -x 00f0ff -u 12
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]]
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-- Usage info
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usage = [[
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script run hf_mf_em_util [-h] [-4] [-a <hex>] [-b <hex>] [-x <hex>] [-u <hex>]
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]]
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-- Arguments
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arguments = [[
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-h this help
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-4 format as 4K card
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-a <hex> define key A
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-b <hex> define key B
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-x <hex> define Access Bytes
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-u <hex> define User Byte
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]]
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-- Help function
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local function help()
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print(copyright)
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print(author)
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print(version)
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print(desc)
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print(ansicolors.cyan..'Usage'..ansicolors.reset)
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print(usage)
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print(ansicolors.cyan..'Arguments'..ansicolors.reset)
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print(arguments)
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print(ansicolors.cyan..'Example usage'..ansicolors.reset)
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print(example)
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end
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-- Print error
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local function oops(err)
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print('ERROR:', err)
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return nil,err
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end
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-- Memory formatting
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local function card_format(key_a,key_b,ab,user,s70)
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local blocks = {3,7,11,15,19,23,27,31,35,39,43,47,51,55,59,63,67,71,75,79,83,87,91,95,99,103,107,111,115,119,123,127,143,159,175,191,207,223,239,255}
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for k,v in ipairs(blocks) do
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local cmd = string.format("hf mf esetblk --blk %s -d %s%s%s%s",v,key_a,ab,user,key_b)
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core.console(cmd)
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print(cmd)
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core.clearCommandBuffer()
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if s70 == false and k > 15 then
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return
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end
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end
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end
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local function main(args)
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-- Receive parameters
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for o, a in getopt.getopt(args, 'ha:b:x:u:4') do
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if o == 'h' then return help() end
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if o == 'a' then KeyA = a end
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if o == 'b' then KeyB = a end
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if o == 'x' then Accessbit = a end
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if o == 'u' then User = a end
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if o == '4' then kkkk = true end
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end
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local KeyA = KeyA or 'FFFFFFFFFFFF'
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if #(KeyA) ~= 12 then
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return oops( string.format('Wrong length of the Key A, receveid %d, expected 12', #KeyA))
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end
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local KeyB = KeyB or 'FFFFFFFFFFFF'
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if #(KeyB) ~= 12 then
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return oops( string.format('Wrong length of the Key B, received %d, expected 12', #KeyB))
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end
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local Accessbit = Accessbit or 'FF0780'
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if #(Accessbit) ~= 6 then
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return oops( string.format('Wrong length of the Access bit, received %d, expected 6', #Accessbit))
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end
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local User = User or '00'
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if #(User) ~= 2 then
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return oops( string.format('Wrong lenght for the user defined byte, received %d, expected 2', #User))
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end
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local kkkk = kkkk or false
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-- Call card_format function
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card_format(KeyA,KeyB,Accessbit,User,kkkk)
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end
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main (args)
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