X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/ad5bc8cc8c0a6573d6b2c7bc58bf94f7ab66ad4c..7e735c1398b9c3643d292614db10c7e58c58db85:/common/legic_prng.c?ds=inline

diff --git a/common/legic_prng.c b/common/legic_prng.c
index 16e55331..df711aa1 100644
--- a/common/legic_prng.c
+++ b/common/legic_prng.c
@@ -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;