| Shawn Willden | 94ad891 | 2019-09-09 02:13:58 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.hardware.keymaster@4.1; |
| 18 | |
| 19 | import @4.0::ErrorCode; |
| 20 | import @4.0::OperationHandle; |
| 21 | |
| 22 | /** |
| 23 | * IOperation represents an in-progress IKeymasterDevice operation. It is returned by |
| 24 | * IKeymasterDevice.beginOp(). |
| 25 | */ |
| 26 | interface IOperation { |
| 27 | /** |
| 28 | * Returns the operation handle to be used as an authentication challenge. |
| 29 | */ |
| 30 | getOperationChallenge() generates (ErrorCode error, OperationHandle operation); |
| 31 | }; |