Javacard key mint 100 master

Applet/AndroidSEProviderLib/src/com/android/javacard/seprovider/KMAESKey.java

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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 org.globalplatform.upgrade.Element;
+
+import javacard.security.AESKey;
+
+public class KMAESKey implements KMMasterKey {
+
+ private AESKey aesKey;
+
+ public KMAESKey(AESKey key) {
+ aesKey = key;
+ }
+
+ public void setKey(byte[] keyData, short kOff) {
+ aesKey.setKey(keyData, kOff);
+ }
+
+ public byte getKey(byte[] keyData, short kOff) {
+ return aesKey.getKey(keyData, kOff);
+ }
+
+ public short getKeySizeBits() {
+ return aesKey.getSize();
+ }
+
+ public static void onSave(Element element, KMAESKey kmKey) {
+ element.write(kmKey.aesKey);
+ }
+
+ public static KMAESKey onRestore(Element element) {
+ AESKey aesKey = (AESKey) element.readObject();
+ KMAESKey kmKey = new KMAESKey(aesKey);
+ return kmKey;
+ }
+
+ public static short getBackupPrimitiveByteCount() {
+ return (short) 0;
+ }
+
+ public static short getBackupObjectCount() {
+ return (short) 1;
+ }
+
+}