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/*
 * =============================================================================
 * 
 *   Copyright (c) 2019, 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.numeric;

import org.jasypt.encryption.pbe.StandardPBEBigDecimalEncryptor;
import org.jasypt.iv.RandomIvGenerator;

import java.math.BigDecimal;


/**
 * 

* Utility class for easily performing normal-strength encryption of * BigDecimal objects. *

*

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

    *
  • Algorithm: PBEWithHMACSHA512AndAES_256.
  • *
  • 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(BigDecimal)} or * {@link #decrypt(BigDecimal)} operations.
  6. *
*

*

* This class is thread-safe. *

* * @since 1.9.3 * * @author Hoki Torres * */ public final class AES256DecimalNumberEncryptor implements DecimalNumberEncryptor { // The internal encryptor private final StandardPBEBigDecimalEncryptor encryptor; /** * Creates a new instance of StrongDecimalNumberEncryptor. */ public AES256DecimalNumberEncryptor() { super(); this.encryptor = new StandardPBEBigDecimalEncryptor(); this.encryptor.setAlgorithm("PBEWithHMACSHA512AndAES_256"); this.encryptor.setIvGenerator(new RandomIvGenerator()); } /** * 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[]. * * @param password the password to be set. */ public void setPasswordCharArray(final char[] password) { this.encryptor.setPasswordCharArray(password); } /** * Encrypts a number * * @param number the number to be encrypted. * @see StandardPBEBigDecimalEncryptor#encrypt(BigDecimal) */ public BigDecimal encrypt(final BigDecimal number) { return this.encryptor.encrypt(number); } /** * Decrypts a number. * * @param encryptedNumber the number to be decrypted. * @see StandardPBEBigDecimalEncryptor#decrypt(BigDecimal) */ public BigDecimal decrypt(final BigDecimal encryptedNumber) { return this.encryptor.decrypt(encryptedNumber); } }




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