RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-01-27 10:29:18 +08:00
Code Issues Projects Releases Packages Wiki Activity

ADD; added some more descriptions of what the legic prng imp does.

Browse source
This commit is contained in:
iceman1001 2016-09-23 21:29:34 +02:00
parent f885043422
commit 93b7aa8f88
1 changed files with 5 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
common/legic_prng.c
View file

@ -7,9 +7,11 @@
//-----------------------------------------------------------------------------
#include "legic_prng.h"
// a is 7bit
// b is
// c is a counter
// the prng is a muxed value from two lsfr a, b
// a is 7bit lsfr
// b is 8bit lsfr
// c keeps track on which step the prng is.
// legic_prng_get_bit() = gets a bit muxed from a and b.
struct lfsr {
uint8_t a;
uint8_t b;