xref: /freebsd/contrib/wpa/hostapd/nt_password_hash.c (revision b9f654b163bce26de79705e77b872427c9f2afa1)
1 /*
2  * hostapd - Plaintext password to NtPasswordHash
3  * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #include "includes.h"
10 
11 #include "common.h"
12 #include "crypto/ms_funcs.h"
13 
14 
15 int main(int argc, char *argv[])
16 {
17 	unsigned char password_hash[16];
18 	size_t i;
19 	char *password, buf[64], *pos;
20 
21 	if (argc > 1)
22 		password = argv[1];
23 	else {
24 		if (fgets(buf, sizeof(buf), stdin) == NULL) {
25 			printf("Failed to read password\n");
26 			return 1;
27 		}
28 		buf[sizeof(buf) - 1] = '\0';
29 		pos = buf;
30 		while (*pos != '\0') {
31 			if (*pos == '\r' || *pos == '\n') {
32 				*pos = '\0';
33 				break;
34 			}
35 			pos++;
36 		}
37 		password = buf;
38 	}
39 
40 	if (nt_password_hash((u8 *) password, strlen(password), password_hash))
41 		return -1;
42 	for (i = 0; i < sizeof(password_hash); i++)
43 		printf("%02x", password_hash[i]);
44 	printf("\n");
45 
46 	return 0;
47 }
48