php环境的EDS加密解密代码，本代码由JS移植-php environment, EDS encryption and decryption code, the code is by JS transplant

AES 加密解密 AES implementation in PHP (c) Chris Veness 2005-2008.-AES implementation in PHP (c) Chris Veness 2005-2008. Right of free use is commercial or non-commercial use. No warranty of any form is offered.