mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-15 17:39:28 +00:00
30 lines
997 B
C++
30 lines
997 B
C++
|
/*
|
||
|
|
* Copyright (c) Atmosphère-NX
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms and conditions of the GNU General Public License,
|
||
|
|
* version 2, as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope 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 a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
#include <stratosphere.hpp>
|
||
|
|
#include "ro_random.hpp"
|
||
|
|
|
||
|
|
namespace ams::ro::impl {
|
||
|
|
|
||
|
|
u64 GenerateSecureRandom(u64 max) {
|
||
|
|
/* Generate a cryptographically random number. */
|
||
|
|
u64 rand;
|
||
|
|
crypto::GenerateCryptographicallyRandomBytes(std::addressof(rand), sizeof(rand));
|
||
|
|
|
||
|
|
/* Coerce into range. */
|
||
|
|
return rand % (max + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|