revert field on/off in hf 14a reader

[proxmark3-svn] / common / crapto1 / crypto1.c

diff --git a/common/crapto1/crypto1.c b/common/crapto1/crypto1.c
index 61f6fe662639c6b64247da0a48adc22d8ba1efd9..19b71cbb1f455ef605104be7d1177721c3502b46 100644 (file)
--- a/common/crapto1/crypto1.c
+++ b/common/crapto1/crypto1.c
@@ -18,7 +18,9 @@
        Copyright (C) 2008-2008 bla <blapost@gmail.com>
 */
 #include "crapto1.h"
        Copyright (C) 2008-2008 bla <blapost@gmail.com>
 */
 #include "crapto1.h"

+

 #include <stdlib.h>
 #include <stdlib.h>

+#include "parity.h"

 
 #define SWAPENDIAN(x)\
        (x = (x >> 8 & 0xff00ff) | (x & 0xff00ff) << 8, x = x >> 16 | x << 16)
 
 #define SWAPENDIAN(x)\
        (x = (x >> 8 & 0xff00ff) | (x & 0xff00ff) << 8, x = x >> 16 | x << 16)


@@ -73,7 +75,7 @@ uint8_t crypto1_bit(struct Crypto1State *s, uint8_t in, int is_encrypted)
        feedin ^= !!in;
        feedin ^= LF_POLY_ODD & s->odd;
        feedin ^= LF_POLY_EVEN & s->even;
        feedin ^= !!in;
        feedin ^= LF_POLY_ODD & s->odd;
        feedin ^= LF_POLY_EVEN & s->even;

-       s->even = s->even << 1 | parity(feedin);
+       s->even = s->even << 1 | evenparity32(feedin);

 
        t = s->odd, s->odd = s->even, s->even = t;
 
 
        t = s->odd, s->odd = s->even, s->even = t;