NetBSD/dist/wpa_supplicant/wpa_passphrase.c

54 lines
1.1 KiB
C

/*
* WPA Supplicant - ASCII passphrase to WPA PSK tool
* Copyright (c) 2003-2004, Jouni Malinen <jkmaline@cc.hut.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include <stdio.h>
#include <string.h>
#include "common.h"
#include "sha1.h"
int main(int argc, char *argv[])
{
unsigned char psk[32];
int i;
char *ssid, *passphrase;
if (argc != 3) {
printf("usage: wpa_passphrase <ssid> <passphrase>\n");
return 1;
}
ssid = argv[1];
passphrase = argv[2];
if (strlen(passphrase) < 8 || strlen(passphrase) > 63) {
printf("Passphrase must be 8..63 characters\n");
return 1;
}
pbkdf2_sha1(passphrase, ssid, strlen(ssid), 4096, psk, 32);
printf("network={\n");
printf("\tssid=\"%s\"\n", ssid);
printf("\t#psk=\"%s\"\n", passphrase);
printf("\tpsk=");
for (i = 0; i < 32; i++)
printf("%02x", psk[i]);
printf("\n");
printf("}\n");
return 0;
}