github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-21 13:53:55 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

add legic crc16 to lua

Browse source
This commit is contained in:
iceman1001 2021-10-23 23:53:59 +02:00
commit 644da79a50
4 changed files with 56 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

28
client/lualibs/utils.lua
View file

@ -122,7 +122,7 @@ local Utils =
return nil
end,
------------ CRC-8 Legic checksums
------------ CRC-8 Legic checksum
-- Takes a hex string and calculates a crc8
Crc8Legic = function(s)
if s == nil then return nil end
@ -130,13 +130,29 @@ local Utils =
if type(s) == 'string' then
local utils = require('utils')
local asc = utils.ConvertHexToAscii(s)
local hash = core.crc8legic(asc)
return hash
return core.crc8legic(asc)
end
return nil
end,
------------ CRC-16 Legic checksum
-- Takes data as hex string, uid hex and calculates a crc16 legic
Crc16Legic = function(s, uid)
if s == nil then return nil end
if #s == 0 then return nil end
if uid == nil then return nil end
if #uid == 0 then return nil end
if type(s) == 'string' then
local utils = require('utils')
local asc = utils.ConvertHexToAscii(s)
local uidstr = utils.ConvertHexToAscii(uid)
return core.crc16legic(asc, uidstr)
end
return nil
end,
------------ CRC-16 ccitt checksums
------------ CRC-16 ccitt checksum
-- Takes a hex string and calculates a crc16
Crc16 = function(s)
if s == nil then return nil end
@ -151,7 +167,7 @@ local Utils =
end,
------------ CRC-64 ecma checksums
------------ CRC-64 ecma checksum
-- Takes a hex string and calculates a crc64 ecma hash
Crc64 = function(s)
if s == nil then return nil end
@ -164,7 +180,7 @@ local Utils =
end
return nil
end,
------------ CRC-64 ecma 182 checksums
------------ CRC-64 ecma 182 checksum
-- Takes a hex string and calculates a crc64 ecma182 hash
Crc64_ecma182 = function(s)
if s == nil then return nil end