/*
 * $XConsortium: GenKey.c,v 1.3 91/01/23 22:13:42 gildea Exp $
 *
 * Copyright 1989 Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of M.I.T. not be used in advertising
 * or publicity pertaining to distribution of the software without specific,
 * written prior permission.  M.I.T. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Keith Packard, MIT X Consortium
 */

#include <X11/Xos.h>
#include <X11/X.h>
#include <X11/Xmd.h>
#include <X11/Xdmcp.h>

static getbits (data, dst)
    long	    data;
    unsigned char   *dst;
{
    dst[0] = (data      ) & 0xff;
    dst[1] = (data >>  8) & 0xff;
    dst[2] = (data >> 16) & 0xff;
    dst[3] = (data >> 24) & 0xff;
}

#if defined(SYSV) || defined(SVR4)
#define srandom srand48
#define random lrand48
#endif

long random();

void
XdmcpGenerateKey (key)
    XdmAuthKeyPtr   key;
{
    long    lowbits, highbits;

    srandom (getpid() ^ time (0));
    lowbits = random ();
    highbits = random ();
    getbits (lowbits, key->data);
    getbits (highbits, key->data + 4);
}