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/*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
syntax = "proto2";
package keystore;
option optimize_for = LITE_RUNTIME;
message KeyConfig {
// What type of encryption algorithm is this key being generated/imported for
// e.g. AES, RSA, etc
optional string algorithm = 1;
// Size of the key being generated/imported
optional int32 key_size = 2;
// Log whether the key was generated, imported, securely imported, or derived.
optional string origin = 3;
// What auth types does this key 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 modes this key supports.
repeated string padding = 6;
// Track which digests this key supports
repeated string digest = 7;
// Check what block mode is being used depending on the mode of encryption
repeated string block_mode = 8;
// Was the key generated/imported successfully?
optional bool was_creation_successful = 9;
// What purposes can this key be used for?
repeated 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;
}
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