1 /* 2 * Copyright (C) 2016 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 package android.hardware.gatekeeper@1.0; 17 18 /** 19 * Gatekeeper response codes; success >= 0; error < 0 20 */ 21 enum GatekeeperStatusCode : int32_t { 22 STATUS_REENROLL = 1, // success, but upper layers should re-enroll 23 // the verified password due to a version change 24 STATUS_OK = 0, // operation is successful 25 ERROR_GENERAL_FAILURE = -1, // operation failed 26 ERROR_RETRY_TIMEOUT = -2, // operation should be retried after timeout 27 ERROR_NOT_IMPLEMENTED = -3, // operation is not implemented 28 }; 29 30 /** 31 * Gatekeeper response to any/all requests has this structure as mandatory part 32 */ 33 struct GatekeeperResponse { 34 /** request completion status */ 35 GatekeeperStatusCode code; 36 /** 37 * retry timeout in ms, if code == ERROR_RETRY_TIMEOUT 38 * otherwise unused (0) 39 */ 40 uint32_t timeout; 41 /** optional crypto blob. Opaque to Android system. */ 42 vec<uint8_t> data; 43 }; 44
