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/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SYSTEM_KEYMASTER_KEY_H_
#define SYSTEM_KEYMASTER_KEY_H_
#include <UniquePtr.h>
#include <hardware/keymaster_defs.h>
#include <keymaster/authorization_set.h>
namespace keymaster {
class Key {
public:
virtual ~Key() {}
/**
* Return a copy of raw key material, in the specified format.
*/
virtual keymaster_error_t formatted_key_material(keymaster_key_format_t format,
UniquePtr<uint8_t[]>* material,
size_t* size) const = 0;
const AuthorizationSet& authorizations() const { return authorizations_; }
protected:
Key(const AuthorizationSet& hw_enforced, const AuthorizationSet& sw_enforced,
keymaster_error_t* error);
private:
AuthorizationSet authorizations_;
};
} // namespace keymaster
#endif // SYSTEM_KEYMASTER_KEY_H_
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