Jakub Pawlowski | 72c8dcc | 2019-09-06 16:33:21 +0200 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright 2019 The Android Open Source Project |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | #pragma once |
| 19 | |
| 20 | #include <array> |
| 21 | |
| 22 | namespace bluetooth { |
Jakub Pawlowski | e79714e | 2019-10-14 14:49:55 +0200 | [diff] [blame] | 23 | namespace security { |
Jakub Pawlowski | 72c8dcc | 2019-09-06 16:33:21 +0200 | [diff] [blame] | 24 | |
| 25 | struct EcdhPublicKey { |
| 26 | std::array<uint8_t, 32> x; |
| 27 | std::array<uint8_t, 32> y; |
| 28 | }; |
| 29 | |
| 30 | /* this generates private and public Eliptic Curve Diffie Helman keys */ |
| 31 | std::pair<std::array<uint8_t, 32>, EcdhPublicKey> GenerateECDHKeyPair(); |
| 32 | |
| 33 | /* This function validates that the given public key (point) lays on the special |
| 34 | * Bluetooth curve */ |
| 35 | bool ValidateECDHPoint(EcdhPublicKey pk); |
| 36 | |
| 37 | std::array<uint8_t, 32> ComputeDHKey(std::array<uint8_t, 32> my_private_key, EcdhPublicKey remote_public_key); |
| 38 | |
Jakub Pawlowski | e79714e | 2019-10-14 14:49:55 +0200 | [diff] [blame] | 39 | } // namespace security |
Jakub Pawlowski | 72c8dcc | 2019-09-06 16:33:21 +0200 | [diff] [blame] | 40 | } // namespace bluetooth |