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// Copyright 2021 Google LLC
//
// 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 TINK_HYBRID_INTERNAL_HPKE_PRIVATE_KEY_MANAGER_H_
#define TINK_HYBRID_INTERNAL_HPKE_PRIVATE_KEY_MANAGER_H_
#include <string>
#include "tink/core/key_type_manager.h"
#include "tink/core/private_key_type_manager.h"
#include "tink/hybrid/internal/hpke_decrypt.h"
#include "tink/hybrid_decrypt.h"
#include "tink/key_manager.h"
#include "tink/util/constants.h"
#include "tink/util/status.h"
#include "tink/util/statusor.h"
#include "proto/hpke.pb.h"
#include "proto/tink.pb.h"
namespace crypto {
namespace tink {
namespace internal {
class HpkePrivateKeyManager
: public PrivateKeyTypeManager<google::crypto::tink::HpkePrivateKey,
google::crypto::tink::HpkeKeyFormat,
google::crypto::tink::HpkePublicKey,
List<HybridDecrypt>> {
public:
class HybridDecryptFactory : public PrimitiveFactory<HybridDecrypt> {
crypto::tink::util::StatusOr<std::unique_ptr<HybridDecrypt>> Create(
const google::crypto::tink::HpkePrivateKey& private_key)
const override {
return HpkeDecrypt::New(private_key);
}
};
HpkePrivateKeyManager()
: PrivateKeyTypeManager(absl::make_unique<HybridDecryptFactory>()) {}
uint32_t get_version() const override { return 0; }
google::crypto::tink::KeyData::KeyMaterialType key_material_type()
const override {
return google::crypto::tink::KeyData::ASYMMETRIC_PRIVATE;
}
const std::string& get_key_type() const override { return key_type_; }
crypto::tink::util::Status ValidateKey(
const google::crypto::tink::HpkePrivateKey& key) const override;
crypto::tink::util::Status ValidateKeyFormat(
const google::crypto::tink::HpkeKeyFormat& key_format) const override;
crypto::tink::util::StatusOr<google::crypto::tink::HpkePrivateKey> CreateKey(
const google::crypto::tink::HpkeKeyFormat& key_format) const override;
crypto::tink::util::StatusOr<google::crypto::tink::HpkePublicKey>
GetPublicKey(
const google::crypto::tink::HpkePrivateKey& private_key) const override;
private:
const std::string key_type_ = absl::StrCat(
kTypeGoogleapisCom, google::crypto::tink::HpkePrivateKey().GetTypeName());
};
} // namespace internal
} // namespace tink
} // namespace crypto
#endif // TINK_HYBRID_INTERNAL_HPKE_PRIVATE_KEY_MANAGER_H_