tee/TlcKeymint/include/AndroidKeyMintOperation.h

/*
 * Copyright (c) 2021 TRUSTONIC LIMITED
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the TRUSTONIC LIMITED nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */
#pragma once

#include <aidl/android/hardware/security/keymint/BnKeyMintOperation.h>
#include <aidl/android/hardware/security/secureclock/ISecureClock.h>

#include "TrustonicKeymintDeviceImpl.h"

namespace aidl::android::hardware::security::keymint
{

using ::ndk::ScopedAStatus;
using secureclock::TimeStampToken;
using std::optional;
using std::shared_ptr;
using std::string;
using std::vector;

class AndroidKeyMintOperation : public BnKeyMintOperation {
  public:
    explicit AndroidKeyMintOperation(TrustonicKeymintDeviceImpl *impl,
                                     keymaster_operation_handle_t opHandle);
    virtual ~AndroidKeyMintOperation();

    ScopedAStatus updateAad(const vector<uint8_t>& input,
                            const optional<HardwareAuthToken>& authToken,
                            const optional<TimeStampToken>& timestampToken) override;

    ScopedAStatus update(const vector<uint8_t>& input, const optional<HardwareAuthToken>& authToken,
                         const optional<TimeStampToken>& timestampToken,
                         vector<uint8_t>* output) override;

    ScopedAStatus finish(const optional<vector<uint8_t>>& input,
                         const optional<vector<uint8_t>>& signature,
                         const optional<HardwareAuthToken>& authToken,
                         const optional<TimeStampToken>& timestampToken,
                         const optional<vector<uint8_t>>& confirmationToken,
                         vector<uint8_t>* output) override;

    ScopedAStatus abort() override;

  protected:
    TrustonicKeymintDeviceImpl *impl_;
    keymaster_operation_handle_t opHandle_;
};

}  // namespace aidl::android::hardware::security::keymint