| /****************************************************************************** |
| * |
| * 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 <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 |