Max Bires | 33aac2d | 2018-02-23 10:53:10 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 | syntax = "proto2"; |
| 18 | |
| 19 | package keystore; |
| 20 | |
| 21 | option optimize_for = LITE_RUNTIME; |
| 22 | |
Max Bires | 091ed1b | 2018-12-05 12:13:30 -0800 | [diff] [blame] | 23 | // A single operation config |
Max Bires | 33aac2d | 2018-02-23 10:53:10 -0800 | [diff] [blame] | 24 | message OperationConfig { |
| 25 | // What type of encryption algorithm is the key being used in the op for. |
| 26 | optional string algorithm = 1; |
| 27 | |
| 28 | // Size of the key being used in this op |
| 29 | optional int32 key_size = 2; |
| 30 | |
| 31 | // Log whether the key in this op was generated, imported, |
| 32 | // securely imported, or derived. |
| 33 | optional string origin = 3; |
| 34 | |
| 35 | // What auth types does this op require? If none, then no auth required. |
| 36 | optional string user_auth_type = 4; |
| 37 | |
| 38 | // If user authentication is required, is the requirement time based? If it |
| 39 | // is not time based then this field will not be used and the key is per |
| 40 | // operation. Per operation keys must be user authenticated on each usage. |
| 41 | optional int32 user_auth_key_timeout = 5; |
| 42 | |
| 43 | // Track which padding mode was used for this operation. |
| 44 | optional string padding = 6; |
| 45 | |
| 46 | // Keep track of the digest algorithm being used. |
| 47 | optional string digest = 7; |
| 48 | |
| 49 | // Check what block mode is being used depending on the mode of encryption |
| 50 | optional string block_mode = 8; |
| 51 | |
| 52 | // Did the operation succeed? If it didn't, this represents bugs or |
| 53 | // error cases occurring. |
| 54 | optional bool was_op_successful = 9; |
| 55 | |
| 56 | // What purpose is this operation serving? Encrypt, decrypt, sign verify? |
| 57 | optional string purpose = 10; |
| 58 | |
| 59 | // Which ec curve was selected if elliptic curve cryptography is in use |
| 60 | optional string ec_curve = 11; |
| 61 | |
| 62 | // Standalone or is a file system required |
| 63 | optional string key_blob_usage_reqs = 12; |
| 64 | } |
Max Bires | 091ed1b | 2018-12-05 12:13:30 -0800 | [diff] [blame] | 65 | |
| 66 | message OperationConfigEvent { |
| 67 | optional OperationConfig op_config = 1; |
| 68 | |
| 69 | // counts corresponds to the number of times each op_config in the above array |
| 70 | // was recorded during the collection period. |
| 71 | optional uint32 count = 2; |
| 72 | } |
| 73 | |
| 74 | message OperationConfigEvents { |
| 75 | repeated OperationConfigEvent op_config_events = 1; |
| 76 | } |
| 77 | |