Android examples for java.security:DES
encrypt DES with encrypt Key
//package com.java2s; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; public class Main { public static byte[] encryptDES(String encryptString, String encryptKey) throws Exception { byte[] iv = encryptKey.getBytes(); IvParameterSpec zeroIv = new IvParameterSpec(iv); SecretKeySpec key = new SecretKeySpec(encryptKey.getBytes(), "DES"); Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, key, zeroIv); byte[] encryptedData = cipher.doFinal(encryptString .getBytes("UTF-8")); return encryptedData; }/*from ww w.j a v a2 s . c om*/ }