Java tutorial
/** * Author Rigoberto Leander Salgado Reyes <rlsalgado2006@gmail.com> * * Copyright 2015 by Rigoberto Leander Salgado Reyes. * <p> * This program is licensed to you under the terms of version 3 of the * GNU Affero General Public License. This program is distributed WITHOUT * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT, * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the * AGPL (http:www.gnu.org/licenses/agpl-3.0.txt) for more details. */ package org.cifssynchronizer.core; import org.apache.commons.codec.binary.Base64; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class Security { public static String encrypt(String key1, String key2, String value) { String str = null; try { IvParameterSpec iv = new IvParameterSpec(key2.getBytes("UTF-8")); SecretKeySpec skeySpec = new SecretKeySpec(key1.getBytes("UTF-8"), "AES"); Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING"); cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv); byte[] encrypted = cipher.doFinal(value.getBytes()); str = Base64.encodeBase64String(encrypted); } catch (Exception ignored) { } return str; } public static String decrypt(String key1, String key2, String encrypted) { String str = null; try { IvParameterSpec iv = new IvParameterSpec(key2.getBytes("UTF-8")); SecretKeySpec skeySpec = new SecretKeySpec(key1.getBytes("UTF-8"), "AES"); Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING"); cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv); byte[] original = cipher.doFinal(Base64.decodeBase64(encrypted)); str = new String(original); } catch (Exception ignored) { } return str; } }