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/*
* Copyright 2019 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
*
* https://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 PRIVATE_JOIN_AND_COMPUTE_CRYPTO_PROTO_PROTO_UTIL_H_
#define PRIVATE_JOIN_AND_COMPUTE_CRYPTO_PROTO_PROTO_UTIL_H_
#include <string>
#include <vector>
#include "private_join_and_compute/crypto/context.h"
#include "private_join_and_compute/crypto/ec_group.h"
#include "private_join_and_compute/crypto/proto/big_num.pb.h"
#include "private_join_and_compute/crypto/proto/ec_point.pb.h"
#include "src/google/protobuf/message_lite.h"
namespace private_join_and_compute {
// Converts a std::vector<BigNum> into a protocol buffer BigNumVector.
proto::BigNumVector BigNumVectorToProto(
absl::Span<const BigNum> big_num_vector);
// Converts a protocol buffer BigNumVector into a std::vector<BigNum>.
std::vector<BigNum> ParseBigNumVectorProto(
Context* context, const proto::BigNumVector& big_num_vector_proto);
// Converts a std::vector<ECPoint> into a protocol buffer ECPointVector.
StatusOr<proto::ECPointVector> ECPointVectorToProto(
absl::Span<const ECPoint> ec_point_vector);
// Converts a protocol buffer ECPointVector into a std::vector<ECPoint>.
StatusOr<std::vector<ECPoint>> ParseECPointVectorProto(
Context* context, ECGroup* ec_group,
const proto::ECPointVector& ec_point_vector_proto);
// Serializes a proto to a string by serializing the fields in tag order. This
// will guarantee deterministic encoding, as long as there are no cross-language
// strings, and no unknown fields across different serializations.
std::string SerializeAsStringInOrder(const google::protobuf::MessageLite& proto);
} // namespace private_join_and_compute
#endif // PRIVATE_JOIN_AND_COMPUTE_CRYPTO_PROTO_PROTO_UTIL_H_
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