44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* mpn_random -- Generate random numbers.
|
|
|
|
Copyright 2001, 2002 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 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.
|
|
|
|
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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "mpir.h"
|
|
#include "gmp-impl.h"
|
|
|
|
/* This function is Obsolete 13/09/2009 */
|
|
void
|
|
mpn_random (mp_ptr ptr, mp_size_t size)
|
|
{
|
|
gmp_randstate_ptr rands;
|
|
|
|
/* FIXME: Is size==0 supposed to be allowed? */
|
|
ASSERT (size >= 0);
|
|
|
|
if (size == 0)
|
|
return;
|
|
|
|
rands = RANDS;
|
|
_gmp_rand (ptr, rands, size * GMP_NUMB_BITS);
|
|
|
|
/* Make sure the most significant limb is non-zero. */
|
|
while (ptr[size-1] == 0)
|
|
_gmp_rand (&ptr[size-1], rands, GMP_NUMB_BITS);
|
|
}
|