public static String encrypt(String key, String plainText){   String encryptTxt = "";試 {      byte[] salt = new byte[8]; MessageDigest md = MessageDigest.getInstance("MD5"); md.update(key.getBytes()); byte[] 摘要 = md.digest(); for (int i = 0; i < 8; i ) {         鹽[i] = 摘要[i]; }      PBEKeySpec pbeKeySpec = new PBEKeySpec(key.toCharArray()); SecretKeyFactory keyFactory = SecretKeyFactory            .getInstance("PBEWithMD5AndDES"); SecretKey skey = keyFactory.generateSecret(pbeKeySpec); PBEParameterSpec paramSpec = new PBEParameterSpec(salt, ITERATIONS); Cipher cipher = Cipher.getInstance("PBEWithMD5AndDES"); cipher.init(Cipher.ENCRYPT_MODE, skey, paramSpec); byte[] cipherText = cipher.doFinal(plainText.getBytes()); String saltString = new String(Base64.encode(salt)); String ciphertextString = new String(Base64.encode(cipherText));傳回 saltString 密文字串； } catch (Exception e) {      e.printStackTrace(); }   return "";}將bejava加密利用PHP進行解密