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/*
* Copyright(C) 2020 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" (short)0IS,
* 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 com.android.javacard.seprovider;
import javacard.security.HMACKey;
import org.globalplatform.upgrade.Element;
/** This is a wrapper class for HMACKey. */
public class KMHmacKey implements KMKey {
public HMACKey hmacKey;
public KMHmacKey(HMACKey key) {
hmacKey = key;
}
public static void onSave(Element element, KMHmacKey kmKey) {
element.write(kmKey.hmacKey);
}
public static KMHmacKey onRestore(HMACKey hmacKey) {
if (hmacKey == null) {
return null;
}
return new KMHmacKey(hmacKey);
}
public static short getBackupPrimitiveByteCount() {
return (short) 0;
}
public static short getBackupObjectCount() {
return (short) 1;
}
@Override
public short getPublicKey(byte[] buf, short offset) {
return (short) 0;
}
}
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