mirror of
https://github.com/RfidResearchGroup/proxmark3.git
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lua: fix mix of spaces & tabs
This commit is contained in:
Philippe Teuwen
parent
716c17bac8
commit
05ff45e550
41 changed files with 5185 additions and 5185 deletions
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@ -12,167 +12,167 @@ Algo not found by me.
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]]
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example =[[
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-- if called without, it reads tag uid
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script run calc_ev1_it
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--
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script run calc_ev1_it -u 11223344556677
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script run calc_ev1_it
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--
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script run calc_ev1_it -u 11223344556677
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]]
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usage = [[
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script run calc_ev1_it -h -u <uid> "
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Arguments:
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-h : this help
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-u <UID> : UID
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-h : this help
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-u <UID> : UID
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]]
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local DEBUG = true
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local bxor = bit32.bxor
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---
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---
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-- A debug printout-function
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local function dbg(args)
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if not DEBUG then return end
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if not DEBUG then return end
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if type(args) == "table" then
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local i = 1
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while args[i] do
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dbg(args[i])
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i = i+1
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end
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else
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print("###", args)
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end
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end
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---
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local i = 1
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while args[i] do
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dbg(args[i])
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i = i+1
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end
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else
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print("###", args)
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end
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end
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---
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-- This is only meant to be used when errors occur
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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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print("ERROR: ",err)
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return nil,err
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end
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---
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---
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-- Usage help
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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("Example usage")
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print(example)
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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("Example usage")
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print(example)
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end
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--
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-- Exit message
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function exitMsg(msg)
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print(msg)
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print()
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print(msg)
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print()
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end
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local _xortable = {
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--[[ position, 4byte xor
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--]]
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{"00","4f2711c1"},
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{"01","07D7BB83"},
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{"02","9636EF07"},
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{"03","B5F4460E"},
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{"04","F271141C"},
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{"05","7D7BB038"},
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{"06","636EF871"},
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{"07","5F4468E3"},
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{"08","271149C7"},
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{"09","D7BB0B8F"},
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{"0A","36EF8F1E"},
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{"0B","F446863D"},
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{"0C","7114947A"},
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{"0D","7BB0B0F5"},
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{"0E","6EF8F9EB"},
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{"0F","44686BD7"},
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{"10","11494fAF"},
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{"11","BB0B075F"},
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{"12","EF8F96BE"},
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{"13","4686B57C"},
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{"14","1494F2F9"},
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{"15","B0B07DF3"},
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{"16","F8F963E6"},
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{"17","686B5FCC"},
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{"18","494F2799"},
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{"19","0B07D733"},
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{"1A","8F963667"},
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{"1B","86B5F4CE"},
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{"1C","94F2719C"},
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{"1D","B07D7B38"},
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{"1E","F9636E70"},
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{"1F","6B5F44E0"},
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{"00","4f2711c1"},
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{"01","07D7BB83"},
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{"02","9636EF07"},
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{"03","B5F4460E"},
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{"04","F271141C"},
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{"05","7D7BB038"},
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{"06","636EF871"},
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{"07","5F4468E3"},
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{"08","271149C7"},
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{"09","D7BB0B8F"},
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{"0A","36EF8F1E"},
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{"0B","F446863D"},
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{"0C","7114947A"},
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{"0D","7BB0B0F5"},
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{"0E","6EF8F9EB"},
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{"0F","44686BD7"},
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{"10","11494fAF"},
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{"11","BB0B075F"},
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{"12","EF8F96BE"},
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{"13","4686B57C"},
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{"14","1494F2F9"},
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{"15","B0B07DF3"},
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{"16","F8F963E6"},
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{"17","686B5FCC"},
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{"18","494F2799"},
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{"19","0B07D733"},
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{"1A","8F963667"},
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{"1B","86B5F4CE"},
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{"1C","94F2719C"},
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{"1D","B07D7B38"},
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{"1E","F9636E70"},
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{"1F","6B5F44E0"},
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}
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local function findEntryByUid( uid )
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-- xor UID4,UID5,UID6,UID7
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-- mod 0x20 (dec 32)
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local pos = (bxor(uid[4], uid[5], uid[6], uid[7])) % 32
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-- xor UID4,UID5,UID6,UID7
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-- mod 0x20 (dec 32)
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local pos = (bxor(uid[4], uid[5], uid[6], uid[7])) % 32
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-- convert to hexstring
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pos = string.format('%02X', pos)
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-- convert to hexstring
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pos = string.format('%02X', pos)
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for k, v in pairs(_xortable) do
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if ( v[1] == pos ) then
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return utils.ConvertHexToBytes(v[2])
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end
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end
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return nil
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if ( v[1] == pos ) then
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return utils.ConvertHexToBytes(v[2])
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end
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end
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return nil
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end
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---
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-- create pwd
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local function pwdgen(uid)
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-- PWD CALC
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-- PWD0 = T0 xor B xor C xor D
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-- PWD1 = T1 xor A xor C xor E
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-- PWD2 = T2 xor A xor B xor F
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-- PWD3 = T3 xor G
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local uidbytes = utils.ConvertHexToBytes(uid)
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-- PWD CALC
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-- PWD0 = T0 xor B xor C xor D
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-- PWD1 = T1 xor A xor C xor E
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-- PWD2 = T2 xor A xor B xor F
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-- PWD3 = T3 xor G
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local uidbytes = utils.ConvertHexToBytes(uid)
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local entry = findEntryByUid(uidbytes)
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if entry == nil then return nil, "Can't find a xor entry" end
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if entry == nil then return nil, "Can't find a xor entry" end
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local pwd0 = bxor( entry[1], uidbytes[2], uidbytes[3], uidbytes[4])
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local pwd1 = bxor( entry[2], uidbytes[1], uidbytes[3], uidbytes[5])
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local pwd2 = bxor( entry[3], uidbytes[1], uidbytes[2], uidbytes[6])
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local pwd3 = bxor( entry[4], uidbytes[7])
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return string.format('%02X%02X%02X%02X', pwd0, pwd1, pwd2, pwd3)
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local pwd1 = bxor( entry[2], uidbytes[1], uidbytes[3], uidbytes[5])
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local pwd2 = bxor( entry[3], uidbytes[1], uidbytes[2], uidbytes[6])
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local pwd3 = bxor( entry[4], uidbytes[7])
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return string.format('%02X%02X%02X%02X', pwd0, pwd1, pwd2, pwd3)
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end
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--
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-- main
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local function main(args)
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print()
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local uid = '04111211121110'
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local useUID = false
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-- Arguments for the script
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for o, a in getopt.getopt(args, 'hu:') do
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if o == "h" then return help() end
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if o == "u" then uid = a; useUID = true end
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end
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print( string.rep('--',20) )
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print( string.rep('--',20) )
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print()
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if useUID then
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-- uid string checks
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if uid == nil then return oops('empty uid string') end
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if #uid == 0 then return oops('empty uid string') end
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if #uid ~= 14 then return oops('uid wrong length. Should be 7 hex bytes') end
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else
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-- GET TAG UID
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local tag, err = lib14a.read(false, true)
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if not tag then return oops(err) end
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core.clearCommandBuffer()
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uid = tag.uid
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end
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print('UID | '..uid)
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local pwd, err = pwdgen(uid)
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if not pwd then return ooops(err) end
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print(string.format('PWD | %s', pwd))
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local uid = '04111211121110'
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local useUID = false
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-- Arguments for the script
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for o, a in getopt.getopt(args, 'hu:') do
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if o == "h" then return help() end
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if o == "u" then uid = a; useUID = true end
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end
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if useUID then
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-- uid string checks
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if uid == nil then return oops('empty uid string') end
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if #uid == 0 then return oops('empty uid string') end
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if #uid ~= 14 then return oops('uid wrong length. Should be 7 hex bytes') end
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else
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-- GET TAG UID
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local tag, err = lib14a.read(false, true)
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if not tag then return oops(err) end
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core.clearCommandBuffer()
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uid = tag.uid
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end
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print('UID | '..uid)
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local pwd, err = pwdgen(uid)
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if not pwd then return ooops(err) end
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print(string.format('PWD | %s', pwd))
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end
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main(args)
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