| /* |
| * Copyright (C) 2015 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. |
| */ |
| |
| package android.security; |
| |
| /** |
| * Cryptographic operation backed by {@link KeyStore}. |
| * |
| * @hide |
| */ |
| public interface KeyStoreCryptoOperation { |
| /** |
| * Gets the KeyStore operation handle of this crypto operation. |
| * |
| * @return handle or {@code 0} if the KeyStore operation is not in progress. |
| */ |
| long getOperationHandle(); |
| } |