Method decode

src/main/java/com/opslab/util/encrypt/DESUtil.java:47–57

3DES解密 @param encryptText 加密文本 @return @throws Exception

(String secretKey, String encryptText)

     * @throws Exception
     */
    public static String decode(String secretKey, String encryptText) throws Exception {
        Key deskey = null;
        DESedeKeySpec spec = new DESedeKeySpec(secretKey.getBytes());
        SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("desede");
        deskey = keyfactory.generateSecret(spec);
        Cipher cipher = Cipher.getInstance("desede/CBC/PKCS5Padding");
        IvParameterSpec ips = new IvParameterSpec(iv.getBytes());
        cipher.init(Cipher.DECRYPT_MODE, deskey, ips);
        byte[] decryptData = cipher.doFinal(Base64.decode(encryptText));
        return new String(decryptData, Opslab.UTF_8);
    }


}