blob: efbb4fedf2de7814c81f79edb8fe9c81d7b56fb2 [file] [log] [blame]
* Copyright (C) 2018 The Android Open Source Project
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
syntax = "proto2";
package keystore;
option optimize_for = LITE_RUNTIME;
// A single operation config
message OperationConfig {
// What type of encryption algorithm is the key being used in the op for.
optional string algorithm = 1;
// Size of the key being used in this op
optional int32 key_size = 2;
// Log whether the key in this op was generated, imported,
// securely imported, or derived.
optional string origin = 3;
// What auth types does this op require? If none, then no auth required.
optional string user_auth_type = 4;
// If user authentication is required, is the requirement time based? If it
// is not time based then this field will not be used and the key is per
// operation. Per operation keys must be user authenticated on each usage.
optional int32 user_auth_key_timeout = 5;
// Track which padding mode was used for this operation.
optional string padding = 6;
// Keep track of the digest algorithm being used.
optional string digest = 7;
// Check what block mode is being used depending on the mode of encryption
optional string block_mode = 8;
// Did the operation succeed? If it didn't, this represents bugs or
// error cases occurring.
optional bool was_op_successful = 9;
// What purpose is this operation serving? Encrypt, decrypt, sign verify?
optional string purpose = 10;
// Which ec curve was selected if elliptic curve cryptography is in use
optional string ec_curve = 11;
// Standalone or is a file system required
optional string key_blob_usage_reqs = 12;
message OperationConfigEvent {
optional OperationConfig op_config = 1;
// counts corresponds to the number of times each op_config in the above array
// was recorded during the collection period.
optional uint32 count = 2;
message OperationConfigEvents {
repeated OperationConfigEvent op_config_events = 1;