hostapd/nt_password_hash.c

   1 /*
   2  * hostapd - Plaintext password to NtPasswordHash
   3  * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #include "includes.h"
  16
  17 #include "common.h"
  18 #include "crypto/ms_funcs.h"
  19
  20
  21 int main(int argc, char *argv[])
  22 {
  23         unsigned char password_hash[16];
  24         size_t i;
  25         char *password, buf[64], *pos;
  26
  27         if (argc > 1)
  28                 password = argv[1];
  29         else {
  30                 if (fgets(buf, sizeof(buf), stdin) == NULL) {
  31                         printf("Failed to read password\n");
  32                         return 1;
  33                 }
  34                 buf[sizeof(buf) - 1] = '\0';
  35                 pos = buf;
  36                 while (*pos != '\0') {
  37                         if (*pos == '\r' || *pos == '\n') {
  38                                 *pos = '\0';
  39                                 break;
  40                         }
  41                         pos++;
  42                 }
  43                 password = buf;
  44         }
  45
  46         if (nt_password_hash((u8 *) password, strlen(password), password_hash))
  47                 return -1;
  48         for (i = 0; i < sizeof(password_hash); i++)
  49                 printf("%02x", password_hash[i]);
  50         printf("\n");
  51
  52         return 0;
  53 }