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/******************************************************************************
*
* Copyright 2019 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.
*
******************************************************************************/
#pragma once
#include <stdint.h>
#include <array>
namespace bluetooth {
namespace security {
struct EcdhPublicKey {
std::array<uint8_t, 32> x;
std::array<uint8_t, 32> y;
};
/* this generates private and public Eliptic Curve Diffie Helman keys */
std::pair<std::array<uint8_t, 32>, EcdhPublicKey> GenerateECDHKeyPair();
/* This function validates that the given public key (point) lays on the special
* Bluetooth curve */
bool ValidateECDHPoint(EcdhPublicKey pk);
std::array<uint8_t, 32> ComputeDHKey(std::array<uint8_t, 32> my_private_key, EcdhPublicKey remote_public_key);
} // namespace security
} // namespace bluetooth