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

/*
 * Copyright (c) 2018-2020 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 {

    enum EsCommonKeyType {
        EsCommonKeyType_TitleKey   = 0,
        EsCommonKeyType_ArchiveKey = 1,

        EsCommonKeyType_Count,
    };

    /* General Aes functionality. */
    SmcResult SmcGenerateAesKek(SmcArguments &args);
    SmcResult SmcLoadAesKey(SmcArguments &args);
    SmcResult SmcComputeAes(SmcArguments &args);
    SmcResult SmcGenerateSpecificAesKey(SmcArguments &args);
    SmcResult SmcComputeCmac(SmcArguments &args);
    SmcResult SmcLoadPreparedAesKey(SmcArguments &args);
    SmcResult SmcPrepareEsCommonTitleKey(SmcArguments &args);

    /* Device unique data functionality. */
    SmcResult SmcDecryptDeviceUniqueData(SmcArguments &args);
    SmcResult SmcReencryptDeviceUniqueData(SmcArguments &args);

    /* Legacy device unique data functionality. */
    SmcResult SmcDecryptAndImportEsDeviceKey(SmcArguments &args);
    SmcResult SmcDecryptAndImportLotusKey(SmcArguments &args);

    /* Es encryption utilities. */
    void DecryptWithEsCommonKey(void *dst, size_t dst_size, const void *src, size_t src_size, EsCommonKeyType type, int generation);
    void PrepareEsAesKey(void *dst, size_t dst_size, const void *src, size_t src_size);

    /* The last rose of summer. */
    SmcResult SmcGetSecureData(SmcArguments &args);

}