Add encryption logic to back end.

1 files changed, 0 insertions, 34 deletions

diff --git a/lock/util.c b/lock/util.c
index 6810c1e..32a1fcf 100644
--- a/lock/util.c
+++ b/lock/util.c
@@ -4,40 +4,6 @@
 
 #include "util.h"
 
-static char tab[] = {
-	'0', '8', '3', '6', 'a', 'Z', '$', '4', 'v', 'R', '@',
-	'E', '1', 'o', '#', ')', '2', '5', 'q', ';', '.', 'I',
-	'c', '7', '9', '*', 'L', 'V', '&', 'k', 'K', '!', 'm',
-	'N', '(', 'O', 'Q', 'A', '>', 'T', 't', '?', 'S', 'h',
-	'w', '/', 'n', 'W', 'l', 'M', 'e', 'H', 'j', 'g', '[',
-	'P', 'f', ':', 'B', ']', 'Y', '^', 'F', '%', 'C', 'x'
-};
-
-static uint16_t tablen = sizeof(tab) / sizeof(tab[0]);
-
-void wdt_init(void)
-{
-	wdt_reset();
-	WDTCSR |= (1 << WDCE) | (1 << WDE);
-	WDTCSR = (1 << WDE) | (1 << WDP3) | (1 << WDP0);
-}
-
-void keygen(char *buf, uint8_t n)
-{
-	int i, imax;
-	uint8_t sreg;
-	uint16_t seed; 
-	
-	sreg = SREG;
-	cli();
-	seed = TCNT1; 
-	SREG = sreg;
-
-	for (i = 0, imax = n - 1; i < imax; i++, seed++)
-		buf[i] = tab[(seed % tablen)];
-	buf[imax] = '\0';
-}
-
 void xor(const char *k, const char *s, char *d, uint8_t n)
 {
 	int i;