mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-10 17:49:32 +08:00
185 lines
4.5 KiB
Lua
185 lines
4.5 KiB
Lua
local bin = require('bin')
|
|
local getopt = require('getopt')
|
|
local lib14a = require('read14a')
|
|
local utils = require('utils')
|
|
local ansicolors = require('ansicolors')
|
|
|
|
copyright = ''
|
|
author = "Iceman"
|
|
version = 'v1.0.1'
|
|
desc = [[
|
|
This script calculates mifare keys based on uid diversification for DI.
|
|
Algo not found by me.
|
|
]]
|
|
example = [[
|
|
-- if called without, it reads tag uid
|
|
script run hf_mf_uidkeycalc
|
|
|
|
--
|
|
script run hf_mf_uidkeycalc -u 11223344556677
|
|
]]
|
|
usage = [[
|
|
script run hf_mf_uidkeycalc -h -u <uid>
|
|
]]
|
|
arguments = [[
|
|
-h : this help
|
|
-u <UID> : UID
|
|
]]
|
|
|
|
local DEBUG = true
|
|
local BAR = '286329204469736E65792032303133'
|
|
local MIS = '0A14FD0507FF4BCD026BA83F0A3B89A9'
|
|
local bxor = bit32.bxor
|
|
---
|
|
-- A debug printout-function
|
|
local function dbg(args)
|
|
if not DEBUG then return end
|
|
if type(args) == 'table' then
|
|
local i = 1
|
|
while args[i] do
|
|
dbg(args[i])
|
|
i = i+1
|
|
end
|
|
else
|
|
print('###', args)
|
|
end
|
|
end
|
|
---
|
|
-- This is only meant to be used when errors occur
|
|
local function oops(err)
|
|
print('ERROR: ', err)
|
|
core.clearCommandBuffer()
|
|
return nil, err
|
|
end
|
|
---
|
|
-- Usage help
|
|
local function help()
|
|
print(copyright)
|
|
print(author)
|
|
print(version)
|
|
print(desc)
|
|
print(ansicolors.cyan..'Usage'..ansicolors.reset)
|
|
print(usage)
|
|
print(ansicolors.cyan..'Arguments'..ansicolors.reset)
|
|
print(arguments)
|
|
print(ansicolors.cyan..'Example usage'..ansicolors.reset)
|
|
print(example)
|
|
end
|
|
---
|
|
-- Exit message
|
|
local function exitMsg(msg)
|
|
print( string.rep('--',20) )
|
|
print( string.rep('--',20) )
|
|
print(msg)
|
|
print()
|
|
end
|
|
---
|
|
-- dumps all keys to file
|
|
local function dumptofile(uid, keys)
|
|
dbg('dumping keys to file')
|
|
|
|
if utils.confirm('Do you wish to save the keys to dumpfile?') then
|
|
|
|
local filename = ('hf-mf-%s-key.bin'):format(uid);
|
|
|
|
local destination = utils.input('Select a filename to store to', filename)
|
|
local file = io.open(destination, 'wb')
|
|
if file == nil then
|
|
print('Could not write to file ', destination)
|
|
return
|
|
end
|
|
|
|
-- Mifare Mini has 5 sectors,
|
|
local key_a = ''
|
|
local key_b = ''
|
|
|
|
for sector = 0, #keys do
|
|
local keyA, keyB = unpack(keys[sector])
|
|
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
|
|
---
|
|
-- create key
|
|
local function keygen(uid)
|
|
local data = MIS..uid..BAR
|
|
local hash = utils.ConvertAsciiToBytes(utils.Sha1Hex(data))
|
|
return string.format("%02X%02X%02X%02X%02X%02X",
|
|
hash[3+1],
|
|
hash[2+1],
|
|
hash[1+1],
|
|
hash[0+1],
|
|
hash[7+1],
|
|
hash[6+1]
|
|
)
|
|
end
|
|
---
|
|
-- print keys
|
|
local function printKeys(keys)
|
|
print('|---|----------------|---|----------------|---|')
|
|
print('|sec|key A |res|key B |res|')
|
|
print('|---|----------------|---|----------------|---|')
|
|
for sector = 0, #keys do
|
|
local keyA, keyB = unpack(keys[sector])
|
|
print(('|%03d| %s | %s | %s | %s |'):format(sector, keyA, 1, keyB, 1))
|
|
end
|
|
print('|---|----------------|---|----------------|---|')
|
|
end
|
|
---
|
|
-- createfull set of keys
|
|
local function createKeys(uid)
|
|
local key = keygen(uid)
|
|
local k = {}
|
|
for i = 0,4 do
|
|
k[i] = { key, key }
|
|
end
|
|
return k
|
|
end
|
|
---
|
|
-- main
|
|
local function main(args)
|
|
|
|
print( string.rep('==', 30) )
|
|
print()
|
|
|
|
local uid
|
|
local useUID = false
|
|
|
|
-- Arguments for the script
|
|
for o, a in getopt.getopt(args, 'hu:') do
|
|
if o == 'h' then return help() end
|
|
if o == 'u' then uid = a; useUID = true end
|
|
end
|
|
|
|
if useUID then
|
|
-- uid string checks if supplied
|
|
if uid == nil then return oops('empty uid string') end
|
|
if #uid == 0 then return oops('empty uid string') end
|
|
if #uid ~= 14 then return oops('uid wrong length. Should be 7 hex bytes') end
|
|
else
|
|
-- GET TAG UID
|
|
local tag, err = lib14a.read(false, true)
|
|
if not tag then return oops(err) end
|
|
core.clearCommandBuffer()
|
|
|
|
-- simple tag check
|
|
if 0x09 ~= tag.sak then
|
|
if 0x4400 ~= tag.atqa then
|
|
return oops(('[!] found tag %s :: looking for Mifare Mini 0.3k'):format(tag.name))
|
|
end
|
|
end
|
|
uid = tag.uid
|
|
end
|
|
|
|
print('|UID|', uid)
|
|
|
|
local keys, err = createKeys( uid )
|
|
printKeys( keys )
|
|
dumptofile( uid, keys )
|
|
end
|
|
|
|
main(args)
|