blob: 5716eac0baaf00570559de89f9e74c5ad2010626 [file] [log] [blame]
/*
* Copyright (C) 2021 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 android.system.security.keystore2;
// Logging constants re-used by multiple atoms related to keystore2
enum SecurityLevelEnum {
// Unspecified takes 0. Other values are incremented by 1 compared to keymint spec.
SECURITY_LEVEL_UNSPECIFIED = 0;
SECURITY_LEVEL_SOFTWARE = 1;
SECURITY_LEVEL_TRUSTED_ENVIRONMENT = 2;
SECURITY_LEVEL_STRONGBOX = 3;
SECURITY_LEVEL_KEYSTORE = 4;
}
enum Algorithm {
// ALGORITHM is prepended because UNSPECIFIED exists in other enums as well.
ALGORITHM_UNSPECIFIED = 0;
// Asymmetric algorithms.
RSA = 1;
// 2 removed, do not reuse.
EC = 3;
// Block cipher algorithms
AES = 32;
TRIPLE_DES = 33;
// MAC algorithms
HMAC = 128;
};