github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2025-07-16 02:03:00 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix for swapped parity when using lf_bulk_program.lua (#591)

Browse source
This commit is contained in:
Tom Harkness 2018-04-03 16:14:51 +10:00 • committed by pwpiwi
parent f5ecd97b15
commit e069547c27
1 changed files with 22 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

7
client/scripts/lf_bulk_program.lua
View file

@ -57,12 +57,13 @@ end
local function cardHex(i,f)
fac = bit32.lshift(f,16)
id = bit32.bor(i, fac)
stream=toBits(id,26)
stream=toBits(id,24)
--As the function defaults to even parity and returns a boolean,
--perform a 'not' function to get odd parity
high = not evenparity(string.sub(stream,0,12)) and 1 or 0
low = evenparity(string.sub(stream,13)) and 1 or 0
high = evenparity(string.sub(stream,1,12)) and 1 or 0
low = not evenparity(string.sub(stream,13)) and 1 or 0
bits = bit32.bor(bit32.lshift(id,1), low)
bits = bit32.bor(bits, bit32.lshift(high,25))