src.android.security.keystore2.AndroidKeyStoreECPrivateKey Maven / Gradle / Ivy

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/*
 * 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.keystore2;

import android.annotation.NonNull;
import android.security.KeyStoreSecurityLevel;
import android.security.keystore.KeyProperties;
import android.system.keystore2.Authorization;
import android.system.keystore2.KeyDescriptor;

import java.security.PrivateKey;
import java.security.interfaces.ECKey;
import java.security.spec.ECParameterSpec;

/**
 * EC private key (instance of {@link PrivateKey} and {@link ECKey}) backed by keystore.
 *
 * @hide
 */
public class AndroidKeyStoreECPrivateKey extends AndroidKeyStorePrivateKey implements ECKey {
    private final ECParameterSpec mParams;

    public AndroidKeyStoreECPrivateKey(@NonNull KeyDescriptor descriptor,
            long keyId,
            Authorization[] authorizations,
            @NonNull KeyStoreSecurityLevel securityLevel,
            @NonNull ECParameterSpec params) {
        super(descriptor, keyId, authorizations, KeyProperties.KEY_ALGORITHM_EC, securityLevel);
        mParams = params;
    }

    @Override
    public ECParameterSpec getParams() {
        return mParams;
    }
}