Add keygen() to utils.

1 files changed, 0 insertions, 89 deletions

diff --git a/lock/frnt.c b/lock/frnt.c
deleted file mode 100644
index 4ad2d11..0000000
--- a/lock/frnt.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* Door front, connected to the fingerprint scanner */
-
-#include <stdint.h>
-#include <stdlib.h>
-
-#include <avr/interrupt.h>
-#include <util/delay.h>
-
-#include "nrfm.h"
-#include "uart.h"
-#include "util.h"
-
-#define RX_PIN       PD7
-#define RX_DDR       DDRD
-#define RX_PORT      PORTD
-#define RX_PCIE      PCIE2
-#define RX_PCINT     PCINT23
-#define RX_PCMSK     PCMSK2
-#define RX_PCINTVEC  PCINT2_vect
-
-// todo: atomic var
-static volatile int rxdr = 0;
-
-static inline void await_reply(void)
-{
-	int i;
-
-	radio_listen();
-	for (i = 0; i < 500 && rxdr == 0; i += 100)
-		_delay_ms(100);
-}
-
-int main(void)
-{
-	uint8_t n;
-	uint8_t rxaddr[ADDRLEN] = { 194, 178, 82 };
-	uint8_t txaddr[ADDRLEN] = { 194, 178, 83 };
-
-	char buf[WDLEN + 1], key[WDLEN + 1], msg[WDLEN + 1];
-
-	RX_DDR &= ~(1 << RX_PIN);
-	RX_PORT |= (1 << RX_PIN); 
-	PCICR |= (1 << RX_PCIE);
-	RX_PCMSK |= (1 << RX_PCINT);
-
-	uart_init();
-	radio_init(rxaddr);
-	radio_print_config();
-
-	sei();
-
-	for (;;) {
-		_delay_ms(2000); /* todo: fingerprint check */
-		xor(KEY, SYN, msg, WDLEN);
-		radio_sendto(txaddr, msg, WDLEN);
-		await_reply();
-		if (rxdr) {
-			uart_write_line("reply received");
-			n = radio_recv(buf, WDLEN);
-			buf[n] = '\0';
-			if (n > 0) {
-				rxdr = 0;
-				xor(KEY, buf, key, WDLEN);
-				xor(key, MSG, msg, WDLEN);
-				radio_sendto(txaddr, msg, WDLEN);
-				await_reply();
-				if (rxdr) {
-					n = radio_recv(buf, WDLEN);
-					buf[n] = '\0';
-					rxdr = 0;
-					xor(key, buf, msg, WDLEN);
-					uart_write_line(msg);
-				} else {
-					// power down
-					uart_write_line("ERROR: no reply");
-				}
-			}
-		} else {
-			// power down
-			uart_write_line("ERROR: no session key");
-		}
-	}
-	return 0;
-}
-
-ISR(RX_PCINTVEC)
-{
-	rxdr = 1;
-}