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trezor-firmware/core/embed/trezorhal/rng.h

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/*
* This file is part of the Trezor project, https://trezor.io/
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*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
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#ifndef TREZORHAL_RNG_H
#define TREZORHAL_RNG_H
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#include <stdint.h>
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#ifdef KERNEL_MODE
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void rng_init(void);
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uint32_t rng_read(const uint32_t previous, const uint32_t compare_previous);
#endif // KERNEL_MODE
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uint32_t rng_get(void);
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#endif