说明：  iSSL是小型的加密API，使用方法和AES加密的RSA建立SSL的一样，安全的加密两端之间的沟通交流，通过一个网络接口，包括会议密钥的生成和公共密钥交换。
(iSSL small encryption API to use RSA and AES encryption to establish the SSL security encryption between the two ends of communication, through a network interface, including a meeting of key generation and key exchange.)