local getopt = require('getopt')
local utils = require('utils')
-example = "script calculates many checksums (CRC) over the provided hex input"
+example = "script calculates many different checksums (CRC) over the provided hex input"
author = "Iceman"
desc =
[[
-This script calculates many checksums (CRS) over the provided hex input.
+This script calculates many checksums (CRC) over the provided hex input.
Arguments:
-b data in hex
- -w width of the CRC algorithm. <optional> defaults to all known CRC presets.
+ -w bitwidth of the CRC family of algorithm. <optional> defaults to all known CRC presets.
Examples :
script run e -b 010203040506070809
script run e -b 010203040506070809 -w 16
-- 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 = utils.ConvertHexToa end
+ if o == "b" then data = a end
if o == "w" then width = a end
end
- print('Width of CRC: '..width..' bytes: '..data)
+ print( string.rep('-',60) )
+ print('Bit width of CRC | '..width)
+ print('Bytes | '..data)
print('')
- print('Model','CRC', 'CRC_Reverse')
-
+ print( ('%-20s| %-16s| %s'):format('Model','CRC', 'CRC reverse'))
+ print( string.rep('-',60) )
local lists = core.reveng_models(width)
for _,i in pairs(lists) do
- local one = core.reveng_runmodel(i, data, 0,0)
- local two = core.reveng_runmodel(i, data, 1,0)
-
- print(i, one, two)
+ local one = core.reveng_runmodel(i, data, false, 0)
+ local two = core.reveng_runmodel(i, data, true, 0)
+ print( ('%-20s| %-16s| %s'):format(i, one, two) )
end
-
- if 1 == 1 then
- return
- end
end
main(args)
\ No newline at end of file