/*    Copyright 2014 Duncan Jones
 *
 * 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 org.cryptonode.jncryptor;

import javax.crypto.SecretKey;

/**
 * <p>Stores a secret key alongside the salt that was used during the key
 * derivation. Storing and reusing a {@code PasswordKey} object can improve
 * performance.</p>
 * 
 * <p>Create instances of this class using {@link JNCryptor#getPasswordKey(char[])}.</p>
 * 
 * @since 1.2.0
 */
public class PasswordKey {
  private final SecretKey key;
  private final byte[] salt;

  PasswordKey(SecretKey key, byte[] salt) {
    this.key = key;
    this.salt = salt;
  }

  
  SecretKey getKey() {
    return key;
  }
  
  byte[] getSalt() {
    return salt;
  }
}