From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpn/generic/random.c | 50 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 gmp-6.3.0/mpn/generic/random.c (limited to 'gmp-6.3.0/mpn/generic/random.c') diff --git a/gmp-6.3.0/mpn/generic/random.c b/gmp-6.3.0/mpn/generic/random.c new file mode 100644 index 0000000..485f9eb --- /dev/null +++ b/gmp-6.3.0/mpn/generic/random.c @@ -0,0 +1,50 @@ +/* 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 either: + + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + +or + + * the GNU General Public License as published by the Free Software + Foundation; either version 2 of the License, or (at your option) any + later version. + +or both in parallel, as here. + +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 General Public License +for more details. + +You should have received copies of the GNU General Public License and the +GNU Lesser General Public License along with the GNU MP Library. If not, +see https://www.gnu.org/licenses/. */ + +#include "gmp-impl.h" + +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); +} -- cgit v1.2.3