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PKCS#11 wrapper based on sunpkcs11

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/*
 *
 * Copyright (c) 2019 Lijun Liao
 *
 * 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" 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 iaik.pkcs.pkcs11.parameters;

import iaik.pkcs.pkcs11.Util;

import java.util.Arrays;

/**
 * This class encapsulates parameters byte arrays.
 *
 * @author Lijun Liao
 */
public class OpaqueParameters implements Parameters {

  protected byte[] bytes;

  public OpaqueParameters(byte[] bytes) {
    this.bytes = bytes;
  }

  /**
   * Get this parameters object as a byte array.
   *
   * @return This object as a byte array.
   */
  @Override
  public byte[] getPKCS11ParamsObject() {
    return bytes;
  }

  /**
   * Get the public value of the other party in the key agreement protocol.
   *
   * @return The public value of the other party in the key agreement
   *         protocol.
   */
  public byte[] getBytes() {
    return bytes;
  }

  public void setBytes(byte[] bytes) {
    this.bytes = Util.requireNonNull("bytes", bytes);
  }

  @Override
  public String toString() {
    return Util.concat("  Bytes (hex): ", Util.toHex(bytes));
  }

  @Override
  public boolean equals(Object otherObject) {
    if (this == otherObject) {
      return true;
    } else if (!(otherObject instanceof OpaqueParameters)) {
      return false;
    }

    OpaqueParameters other = (OpaqueParameters) otherObject;
    return Arrays.equals(this.bytes, other.bytes);
  }

  @Override
  public int hashCode() {
    return Util.hashCode(bytes);
  }

}