xref: /freebsd/contrib/wpa/hostapd/nt_password_hash.c (revision e28a4053b110e06768631ac8401ed4a3c05e68a5)
139beb93cSSam Leffler /*
239beb93cSSam Leffler  * hostapd - Plaintext password to NtPasswordHash
339beb93cSSam Leffler  * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
439beb93cSSam Leffler  *
539beb93cSSam Leffler  * This program is free software; you can redistribute it and/or modify
639beb93cSSam Leffler  * it under the terms of the GNU General Public License version 2 as
739beb93cSSam Leffler  * published by the Free Software Foundation.
839beb93cSSam Leffler  *
939beb93cSSam Leffler  * Alternatively, this software may be distributed under the terms of BSD
1039beb93cSSam Leffler  * license.
1139beb93cSSam Leffler  *
1239beb93cSSam Leffler  * See README and COPYING for more details.
1339beb93cSSam Leffler  */
1439beb93cSSam Leffler 
1539beb93cSSam Leffler #include "includes.h"
1639beb93cSSam Leffler 
1739beb93cSSam Leffler #include "common.h"
18*e28a4053SRui Paulo #include "crypto/ms_funcs.h"
1939beb93cSSam Leffler 
2039beb93cSSam Leffler 
2139beb93cSSam Leffler int main(int argc, char *argv[])
2239beb93cSSam Leffler {
2339beb93cSSam Leffler 	unsigned char password_hash[16];
2439beb93cSSam Leffler 	size_t i;
2539beb93cSSam Leffler 	char *password, buf[64], *pos;
2639beb93cSSam Leffler 
2739beb93cSSam Leffler 	if (argc > 1)
2839beb93cSSam Leffler 		password = argv[1];
2939beb93cSSam Leffler 	else {
3039beb93cSSam Leffler 		if (fgets(buf, sizeof(buf), stdin) == NULL) {
3139beb93cSSam Leffler 			printf("Failed to read password\n");
3239beb93cSSam Leffler 			return 1;
3339beb93cSSam Leffler 		}
3439beb93cSSam Leffler 		buf[sizeof(buf) - 1] = '\0';
3539beb93cSSam Leffler 		pos = buf;
3639beb93cSSam Leffler 		while (*pos != '\0') {
3739beb93cSSam Leffler 			if (*pos == '\r' || *pos == '\n') {
3839beb93cSSam Leffler 				*pos = '\0';
3939beb93cSSam Leffler 				break;
4039beb93cSSam Leffler 			}
4139beb93cSSam Leffler 			pos++;
4239beb93cSSam Leffler 		}
4339beb93cSSam Leffler 		password = buf;
4439beb93cSSam Leffler 	}
4539beb93cSSam Leffler 
46*e28a4053SRui Paulo 	if (nt_password_hash((u8 *) password, strlen(password), password_hash))
47*e28a4053SRui Paulo 		return -1;
4839beb93cSSam Leffler 	for (i = 0; i < sizeof(password_hash); i++)
4939beb93cSSam Leffler 		printf("%02x", password_hash[i]);
5039beb93cSSam Leffler 	printf("\n");
5139beb93cSSam Leffler 
5239beb93cSSam Leffler 	return 0;
5339beb93cSSam Leffler }
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