Atmosphere/stratosphere/spl/source/spl_crypto_service.cpp

/*
 * Copyright (c) 2018-2019 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 <switch.h>
#include <stratosphere.hpp>

#include "spl_crypto_service.hpp"
#include "spl_api.hpp"

namespace sts::spl {

    CryptoService::~CryptoService() {
        /* Free any keyslots this service is using. */
        spl::FreeAesKeyslots(this);
    }

    Result CryptoService::GenerateAesKek(Out<AccessKey> out_access_key, KeySource key_source, u32 generation, u32 option) {
        return spl::GenerateAesKek(out_access_key.GetPointer(), key_source, generation, option);
    }

    Result CryptoService::LoadAesKey(u32 keyslot, AccessKey access_key, KeySource key_source) {
        return spl::LoadAesKey(keyslot, this, access_key, key_source);
    }

    Result CryptoService::GenerateAesKey(Out<AesKey> out_key, AccessKey access_key, KeySource key_source) {
        return spl::GenerateAesKey(out_key.GetPointer(), access_key, key_source);
    }

    Result CryptoService::DecryptAesKey(Out<AesKey> out_key, KeySource key_source, u32 generation, u32 option) {
        return spl::DecryptAesKey(out_key.GetPointer(), key_source, generation, option);
    }

    Result CryptoService::CryptAesCtr(OutBuffer<u8, BufferType_Type1> out_buf, u32 keyslot, InBuffer<u8, BufferType_Type1> in_buf, IvCtr iv_ctr) {
        return spl::CryptAesCtr(out_buf.buffer, out_buf.num_elements, keyslot, this, in_buf.buffer, in_buf.num_elements, iv_ctr);
    }

    Result CryptoService::ComputeCmac(Out<Cmac> out_cmac, u32 keyslot, InPointer<u8> in_buf) {
        return spl::ComputeCmac(out_cmac.GetPointer(), keyslot, this, in_buf.pointer, in_buf.num_elements);
    }

    Result CryptoService::AllocateAesKeyslot(Out<u32> out_keyslot) {
        return spl::AllocateAesKeyslot(out_keyslot.GetPointer(), this);
    }

    Result CryptoService::FreeAesKeyslot(u32 keyslot) {
        return spl::FreeAesKeyslot(keyslot, this);
    }

    void CryptoService::GetAesKeyslotAvailableEvent(Out<CopiedHandle> out_hnd) {
        out_hnd.SetValue(spl::GetAesKeyslotAvailableEventHandle());
    }

}