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crypt_lmhash.c

/*
 *  Copyright 2004 Hans Leidekker
 *
 *  Based on LMHash.c from libcifs
 *
 *  Copyright (C) 2004 by Christopher R. Hertel
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdarg.h>

#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winternl.h"
#include "ntstatus.h"

#include "crypt.h"

static const unsigned char CRYPT_LMhash_Magic[8] =
    { 'K', 'G', 'S', '!', '@', '#', '$', '%' };

static void CRYPT_LMhash( unsigned char *dst, const unsigned char *pwd, const int len )
{
    int i, max = 14;
    unsigned char tmp_pwd[14] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0 };

    max = len > max ? max : len;

    for (i = 0; i < max; i++)
        tmp_pwd[i] = pwd[i];

    CRYPT_DEShash( dst, tmp_pwd, CRYPT_LMhash_Magic );
    CRYPT_DEShash( &dst[8], &tmp_pwd[7], CRYPT_LMhash_Magic );
}

NTSTATUS WINAPI SystemFunction006( LPCSTR password, LPSTR hash )
{
    CRYPT_LMhash( hash, password, strlen(password) );

    return STATUS_SUCCESS;
}

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