1 /*
2  * Copyright (C) 2022 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 package android.security.keystore2;
18 
19 import android.annotation.NonNull;
20 import android.security.KeyStoreSecurityLevel;
21 import android.system.keystore2.Authorization;
22 import android.system.keystore2.KeyDescriptor;
23 
24 import java.security.PrivateKey;
25 import java.security.interfaces.EdECKey;
26 import java.security.spec.NamedParameterSpec;
27 
28 /**
29  * EdEC private key (instance of {@link PrivateKey} and {@link EdECKey}) backed by keystore.
30  *
31  * @hide
32  */
33 public class AndroidKeyStoreEdECPrivateKey extends AndroidKeyStorePrivateKey implements EdECKey {
AndroidKeyStoreEdECPrivateKey( @onNull KeyDescriptor descriptor, long keyId, @NonNull Authorization[] authorizations, @NonNull String algorithm, @NonNull KeyStoreSecurityLevel securityLevel)34     public AndroidKeyStoreEdECPrivateKey(
35             @NonNull KeyDescriptor descriptor, long keyId,
36             @NonNull Authorization[] authorizations,
37             @NonNull String algorithm,
38             @NonNull KeyStoreSecurityLevel securityLevel) {
39         super(descriptor, keyId, authorizations, algorithm, securityLevel);
40     }
41 
42     @Override
getParams()43     public NamedParameterSpec getParams() {
44         return NamedParameterSpec.ED25519;
45     }
46 }
47