mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-07 22:20:20 -08:00
97 lines
2.6 KiB
Lua
97 lines
2.6 KiB
Lua
local getopt = require('getopt')
|
|
local utils = require('utils')
|
|
local ansicolors = require('ansicolors')
|
|
|
|
copyright = ''
|
|
author = 'Iceman'
|
|
version = 'v1.0.2'
|
|
desc = [[
|
|
This script calculates many checksums (CRC) over the provided hex input.
|
|
]]
|
|
example = [[
|
|
script run data_hex_crc -b 010203040506070809
|
|
script run data_hex_crc -b 010203040506070809 -w 16
|
|
]]
|
|
usage = [[
|
|
script run data_hex_crc [-b <hex bytes] [-w <width>]
|
|
]]
|
|
arguments = [[
|
|
-b data in hex
|
|
-w bitwidth of the CRC family of algorithm. <optional> defaults to all known CRC presets.
|
|
]]
|
|
---
|
|
-- 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
|
|
---
|
|
-- The main entry point
|
|
function main(args)
|
|
|
|
local data
|
|
local width = 0
|
|
|
|
-- Read the parameters
|
|
for o, a in getopt.getopt(args, 'hb:w:') do
|
|
if o == 'h' then return help() end
|
|
if o == 'b' then data = a end
|
|
if o == 'w' then width = a end
|
|
end
|
|
|
|
data = data or '01020304'
|
|
width = width or 0
|
|
|
|
print( string.rep('-',60) )
|
|
print('Bit width of CRC | '..width)
|
|
print('Bytes | '..data)
|
|
print('')
|
|
print( ('%-20s| %-16s| %s'):format('Model','CRC', 'CRC reverse','bigEnd', 'bigEnd','little','little'))
|
|
print( string.rep('-',60) )
|
|
local lists, err = core.reveng_models(width)
|
|
if lists == nil then return oops(err) end
|
|
|
|
for _,i in pairs(lists) do
|
|
if string.len(i) > 1 then
|
|
local a1 = core.reveng_runmodel(i, data, false, '0')
|
|
local a2 = core.reveng_runmodel(i, data, true, '0')
|
|
local a3 = core.reveng_runmodel(i, data, false, 'b')
|
|
local a4 = core.reveng_runmodel(i, data, false, 'B')
|
|
local a5 = core.reveng_runmodel(i, data, false, 'l')
|
|
local a6 = core.reveng_runmodel(i, data, false, 'L')
|
|
print( ('%-20s| %-16s| %-16s| %-16s| %-16s| %-16s| %-16s'):format(i, a1:upper(), a2:upper(),a3:upper(),a4:upper(),a5:upper(),a6:upper() ) )
|
|
end
|
|
end
|
|
end
|
|
|
|
main(args)
|