/**
 * 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 com.intel.chimera.cipher;

/**
 * Defines properties of a CipherTransformation. Modeled after the ciphers in
 * {@link javax.crypto.Cipher}.
 */
public enum CipherTransformation {
  AES_CTR_NOPADDING("AES/CTR/NoPadding", 16),
  AES_CBC_NOPADDING("AES/CBC/NoPadding", 16),
  AES_CBC_PKCS5PADDING("AES/CBC/PKCS5PADDING", 16);

  private final String name;
  private final int algorithmBlockSize;

  CipherTransformation(String name, int algorithmBlockSize) {
    this.name = name;
    this.algorithmBlockSize = algorithmBlockSize;
  }

  /**
   * @return name of cipher transformation, as in {@link javax.crypto.Cipher}
   */
  public String getName() {
    return name;
  }

  /**
   * @return size of an algorithm block in bytes
   */
  public int getAlgorithmBlockSize() {
    return algorithmBlockSize;
  }

  @Override
  public String toString() {
    StringBuilder builder = new StringBuilder("{");
    builder.append("name: " + name);
    builder.append(", algorithmBlockSize: " + algorithmBlockSize);
    builder.append("}");
    return builder.toString();
  }
}

@@ -1874,11 +1874,668 @@
 g();%0A  %7D
+%0A%0A  /**%0A   * Convert to CipherTransformation from name, %7B@link #algorithmBlockSize%7D is fixed%0A   * for certain cipher transformation, just need to compare the name.%0A   *%0A   * @param name cipher transformation name%0A   * @return CipherTransformation cipher transformation%0A   */%0A  public static CipherTransformation fromName(String name) %7B%0A    CipherTransformation%5B%5D transformations = CipherTransformation.values();%0A    for (CipherTransformation transformation : transformations) %7B%0A      if (transformation.getName().equals(name)) %7B%0A        return transformation;%0A      %7D%0A    %7D%0A    throw new IllegalArgumentException(%22Invalid transformation name: %22 + name);%0A  %7D
 %0A%7D%0A

Add convert utility for Cipher Transformation. This closes #53.