/* mpn_random -- Generate random numbers.

Copyright (C) 1996, 1997 Free Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

The GNU MP 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 Library General Public
License for more details.

You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */

#include "gmp.h"
#include "gmp-impl.h"
#include "urandom.h"

void
mpn_random (res_ptr, size)
     mp_ptr res_ptr;
     mp_size_t size;
{
  mp_size_t i;

  for (i = 0; i < size; i++)
    res_ptr[i] = urandom ();

  /* Make sure the most significant limb is non-zero.  */
  while (res_ptr[size - 1] == 0)
    res_ptr[size - 1] = urandom ();
}
