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https://github.com/Atmosphere-NX/Atmosphere.git
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30 lines
997 B
C++
30 lines
997 B
C++
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "ro_random.hpp"
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namespace ams::ro::impl {
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u64 GenerateSecureRandom(u64 max) {
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/* Generate a cryptographically random number. */
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u64 rand;
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crypto::GenerateCryptographicallyRandomBytes(std::addressof(rand), sizeof(rand));
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/* Coerce into range. */
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return rand % (max + 1);
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}
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}
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