Atmosphere/exosphere/program/source/smc/secmon_smc_device_unique_data.hpp

/*
 * 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/>.
 */
#pragma once
#include <exosphere.hpp>
#include "secmon_smc_common.hpp"

namespace ams::secmon::smc {

    constexpr inline size_t DeviceUniqueDataIvSize        = se::AesBlockSize;
    constexpr inline size_t DeviceUniqueDataMacSize       = se::AesBlockSize;
    constexpr inline size_t DeviceUniqueDataDeviceIdSize  = sizeof(u64);
    constexpr inline size_t DeviceUniqueDataPaddingSize   = se::AesBlockSize - DeviceUniqueDataDeviceIdSize;

    constexpr inline size_t DeviceUniqueDataOuterMetaSize = DeviceUniqueDataIvSize + DeviceUniqueDataMacSize;
    constexpr inline size_t DeviceUniqueDataInnerMetaSize = DeviceUniqueDataPaddingSize + DeviceUniqueDataDeviceIdSize;
    constexpr inline size_t DeviceUniqueDataTotalMetaSize = DeviceUniqueDataOuterMetaSize + DeviceUniqueDataInnerMetaSize;

    bool DecryptDeviceUniqueData(void *dst, size_t dst_size, u8 *out_device_id_high, const void *seal_key_source, size_t seal_key_source_size, const void *access_key, size_t access_key_size, const void *key_source, size_t key_source_size, const void *src, size_t src_size, bool enforce_device_unique);
    void EncryptDeviceUniqueData(void *dst, size_t dst_size, const void *seal_key_source, size_t seal_key_source_size, const void *access_key, size_t access_key_size, const void *key_source, size_t key_source_size, const void *src, size_t src_size, u8 device_id_high);

}