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// Copyright 2017 Google Inc.
//
// 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_SIGNATURE_ECDSA_SIGN_KEY_MANAGER_H_
#define TINK_SIGNATURE_ECDSA_SIGN_KEY_MANAGER_H_
#include <memory>
#include <string>
#include "absl/memory/memory.h"
#include "absl/strings/str_cat.h"
#include "tink/core/private_key_type_manager.h"
#include "tink/public_key_sign.h"
#include "tink/util/constants.h"
#include "tink/util/errors.h"
#include "tink/util/protobuf_helper.h"
#include "tink/util/status.h"
#include "tink/util/statusor.h"
#include "proto/ecdsa.pb.h"
namespace crypto {
namespace tink {
class EcdsaSignKeyManager
: public PrivateKeyTypeManager<google::crypto::tink::EcdsaPrivateKey,
google::crypto::tink::EcdsaKeyFormat,
google::crypto::tink::EcdsaPublicKey,
List<PublicKeySign>> {
public:
class PublicKeySignFactory : public PrimitiveFactory<PublicKeySign> {
crypto::tink::util::StatusOr<std::unique_ptr<PublicKeySign>> Create(
const google::crypto::tink::EcdsaPrivateKey& private_key)
const override;
};
EcdsaSignKeyManager()
: PrivateKeyTypeManager(absl::make_unique<PublicKeySignFactory>()) {}
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::EcdsaPrivateKey& key) const override;
crypto::tink::util::Status ValidateKeyFormat(
const google::crypto::tink::EcdsaKeyFormat& key_format) const override;
crypto::tink::util::StatusOr<google::crypto::tink::EcdsaPrivateKey> CreateKey(
const google::crypto::tink::EcdsaKeyFormat& key_format) const override;
crypto::tink::util::StatusOr<google::crypto::tink::EcdsaPrivateKey> DeriveKey(
const google::crypto::tink::EcdsaKeyFormat& key_format,
InputStream* input_stream) const override;
crypto::tink::util::StatusOr<google::crypto::tink::EcdsaPublicKey>
GetPublicKey(
const google::crypto::tink::EcdsaPrivateKey& private_key) const override {
return private_key.public_key();
}
internal::FipsCompatibility FipsStatus() const override {
return internal::FipsCompatibility::kRequiresBoringCrypto;
}
private:
const std::string key_type_ =
absl::StrCat(kTypeGoogleapisCom,
google::crypto::tink::EcdsaPrivateKey().GetTypeName());
};
} // namespace tink
} // namespace crypto
#endif // TINK_SIGNATURE_ECDSA_SIGN_KEY_MANAGER_H_
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