Max Bires | d6d8952 | 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 | |
| 23 | message KeyConfig { |
| 24 | // What type of encryption algorithm is this key being generated/imported for |
| 25 | // e.g. AES, RSA, etc |
| 26 | optional string algorithm = 1; |
| 27 | |
| 28 | // Size of the key being generated/imported |
| 29 | optional int32 key_size = 2; |
| 30 | |
| 31 | // Log whether the key was generated, imported, securely imported, or derived. |
| 32 | optional string origin = 3; |
| 33 | |
| 34 | // What auth types does this key require? If none, then no auth required. |
| 35 | optional string user_auth_type = 4; |
| 36 | |
| 37 | // If user authentication is required, is the requirement time based? If it |
| 38 | // is not time based then this field will not be used and the key is per |
| 39 | // operation. Per operation keys must be user authenticated on each usage. |
| 40 | optional int32 user_auth_key_timeout = 5; |
| 41 | |
| 42 | // Track which padding modes this key supports. |
| 43 | repeated string padding = 6; |
| 44 | |
| 45 | // Track which digests this key supports |
| 46 | repeated string digest = 7; |
| 47 | |
| 48 | // Check what block mode is being used depending on the mode of encryption |
| 49 | repeated string block_mode = 8; |
| 50 | |
| 51 | // Was the key generated/imported successfully? |
| 52 | optional bool was_creation_successful = 9; |
| 53 | |
| 54 | // What purposes can this key be used for? |
| 55 | repeated string purpose = 10; |
| 56 | |
| 57 | // Which ec curve was selected if elliptic curve cryptography is in use |
| 58 | optional string ec_curve = 11; |
| 59 | |
| 60 | // Standalone or is a file system required |
| 61 | optional string key_blob_usage_reqs = 12; |
| 62 | } |