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      1 /*
      2  * Copyright (C) 2017 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  * Copyright (c) 2014-2017, The Linux Foundation.
     18  */
     19 
     20 /*
     21  * Copyright 2012 Giesecke & Devrient GmbH.
     22  *
     23  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
     24  * use this file except in compliance with the License. You may obtain a copy of
     25  * the License at
     26  *
     27  * http://www.apache.org/licenses/LICENSE-2.0
     28  *
     29  * Unless required by applicable law or agreed to in writing, software
     30  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
     31  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     32  * License for the specific language governing permissions and limitations under
     33  * the License.
     34  */
     35 package com.android.se.security.arf;
     36 
     37 import com.android.se.Terminal;
     38 import com.android.se.security.AccessRuleCache;
     39 import com.android.se.security.arf.pkcs15.PKCS15Handler;
     40 
     41 import java.io.IOException;
     42 import java.util.MissingResourceException;
     43 import java.util.NoSuchElementException;
     44 
     45 /** Initializes and maintains the ARF access rules of a Secure Element */
     46 public class ArfController {
     47 
     48     private PKCS15Handler mPkcs15Handler = null;
     49     private SecureElement mSecureElement = null;
     50     private AccessRuleCache mAccessRuleCache = null;
     51     private Terminal mTerminal = null;
     52 
     53     public ArfController(AccessRuleCache cache, Terminal terminal) {
     54         mAccessRuleCache = cache;
     55         mTerminal = terminal;
     56     }
     57 
     58     /** Initializes the ARF Rules for the Secure Element */
     59     public synchronized boolean initialize() throws IOException, MissingResourceException,
     60             NoSuchElementException {
     61         if (mSecureElement == null) {
     62             mSecureElement = new SecureElement(this, mTerminal);
     63         }
     64         if (mPkcs15Handler == null) {
     65             mPkcs15Handler = new PKCS15Handler(mSecureElement);
     66         }
     67         return mPkcs15Handler.loadAccessControlRules(mTerminal.getName());
     68     }
     69 
     70     public AccessRuleCache getAccessRuleCache() {
     71         return mAccessRuleCache;
     72     }
     73 }
     74