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/*
 * =============================================================================
 * 
 *   Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org)
 * 
 *   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.jasypt.util.text;

import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;

/**
 * 

* Utility class for easily performing high-strength encryption of texts. *

*

* This class internally holds a {@link StandardPBEStringEncryptor} * configured this way: *

    *
  • Algorithm: PBEWithMD5AndTripleDES.
  • *
  • Key obtention iterations: 1000.
  • *
*

*

* The required steps to use it are: *

    *
  1. Create an instance (using new).
  2. *
  3. Set a password (using {@link #setPassword(String)} or * {@link #setPasswordCharArray(char[])}).
  4. *
  5. Perform the desired {@link #encrypt(String)} or * {@link #decrypt(String)} operations.
  6. *
*

*

* To use this class, you may need to download and install the * Java * Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy * Files. *

*

* This class is thread-safe. *

* * @since 1.2 (class existed in org.jasypt.util package since 1.0) * * @author Daniel Fernández * */ public final class StrongTextEncryptor implements TextEncryptor { // The internal encryptor private final StandardPBEStringEncryptor encryptor; /** * Creates a new instance of StrongTextEncryptor. */ public StrongTextEncryptor() { super(); this.encryptor = new StandardPBEStringEncryptor(); this.encryptor.setAlgorithm("PBEWithMD5AndTripleDES"); } /** * Sets a password. * * @param password the password to be set. */ public void setPassword(final String password) { this.encryptor.setPassword(password); } /** * Sets a password, as a char[]. * * @since 1.8 * @param password the password to be set. */ public void setPasswordCharArray(final char[] password) { this.encryptor.setPasswordCharArray(password); } /** * Encrypts a message. * * @param message the message to be encrypted. * @see StandardPBEStringEncryptor#encrypt(String) */ public String encrypt(final String message) { return this.encryptor.encrypt(message); } /** * Decrypts a message. * * @param encryptedMessage the message to be decrypted. * @see StandardPBEStringEncryptor#decrypt(String) */ public String decrypt(final String encryptedMessage) { return this.encryptor.decrypt(encryptedMessage); } }




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