ISV Server对资源开通后的用户名和密码加密
代码调用如下图所示。
/** * 对资源开通后，返回的用户名和密码进行加密 * @param key 秘钥 * @param str 原文 * @param encryptLength 加密长度 * @return 加密结果 */ public static String generateSaaSUsernameOrPwd(String key, String str, int encryptLength) { String iv = getRandomChars(16); String afterEncryptStr = ""; try { afterEncryptStr = encryptAESCBCEncode(str, key, iv, encryptLength); } catch (InvalidKeyException | NoSuchAlgorithmException | NoSuchPaddingException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException e) { //TODO:异常处理 } System.out .println(afterEncryptStr); return iv + afterEncryptStr; } |
/** * 随机生成字符串 * @param length 随机字符串的长度 * @return 随机字符串 */ public static String getRandomChars(int length) { String randomChars = ""; SecureRandom random = new SecureRandom(); for (int i = 0; i < length; i++) { //字母和数字中随机 if (random.nextInt(2) % 2 == 0) { //输出是大写字母还是小写字母 int letterIndex = random.nextInt(2) % 2 == 0 ? 65 : 97; randomChars += (char) (random.nextInt(26) + letterIndex); } else { randomChars += String.valueOf(random.nextInt(10)); } } return randomChars; } |
/** * AES CBC 加密 * @param content 加密内容 * @param key 加密秘钥 * @param iv 向量iv * @param encryptLength 仅支持128、256长度 * @return 加密结果 * @throws BadPaddingException * @throws IllegalBlockSizeException * @throws InvalidAlgorithmParameterException * @throws NoSuchPaddingException * @throws NoSuchAlgorithmException * @throws InvalidKeyException */ public static String encryptAESCBCEncode(String content, String key, String iv, int encryptLength) throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException { if (StringUtils.isEmpty(content) || StringUtils.isEmpty(key) || StringUtils.isEmpty(iv)) { return null; } return base_64( encryptAESCBC(content.getBytes(), key.getBytes(), iv.getBytes(), encryptLength)); } |
/** * * AES CBC 256位加密 * @param content 加密内容字节数组 * @param keyBytes 加密字节数组 * @param iv 加密向量字节数组 * @param encryptLength 仅支持128、256长度 * @return 解密后字节内容 * @throws NoSuchAlgorithmException * @throws NoSuchPaddingException * @throws InvalidKeyException * @throws InvalidAlgorithmParameterException * @throws IllegalBlockSizeException * @throws BadPaddingException */ public static byte[] encryptAESCBC(byte[] content, byte[] keyBytes, byte[] iv, int encryptLength) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException { KeyGenerator keyGenerator = KeyGenerator.getInstance("AES"); SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG"); secureRandom.setSeed(keyBytes); keyGenerator.init(encryptLength, secureRandom); SecretKey key = keyGenerator.generateKey(); Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); cipher.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(iv)); byte[] result = cipher.doFinal(content); return result; } |
