/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.commons.crypto.cipher;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.security.NoSuchAlgorithmException;
  
  import javax.crypto.Cipher;
  
  import org.apache.commons.crypto.utils.AES;
  import org.junit.jupiter.api.BeforeAll;
  
  
  public class JceCipherTest extends AbstractCipherTest {
  
      private static final int MAX_KEY_LEN_LOWER_BOUND = 256;
  
      @BeforeAll
      public static void checkJceUnlimitedStrength() throws NoSuchAlgorithmException {
          final int maxKeyLen = Cipher.getMaxAllowedKeyLength(AES.ALGORITHM);
          assertTrue(maxKeyLen >= MAX_KEY_LEN_LOWER_BOUND,
                  String.format(
                          "Testing requires support for an AES key length of %d, but " +
                          "the detected maximum key length is %d.  This may indicate " +
                          "that the test environment is missing the JCE Unlimited " +
                          "Strength Jurisdiction Policy Files.",
                          MAX_KEY_LEN_LOWER_BOUND, maxKeyLen));
      }
  
      @Override
      public void init() {
          transformations = new String[] {
                  AES.CBC_NO_PADDING,
                  AES.CBC_PKCS5_PADDING,
                  AES.CTR_NO_PADDING};
          cipherClass = JCE_CIPHER_CLASSNAME;
      }
  }