But the traditional security systems can only guarantee information transmitting process and can't satisfy other requirements of new conditions.

但传统的加密技术只能在传输过程中对信息进行有效的保护，不能满足其他新的保护需求。

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Traditional information security system can only safeguard information transmitting process, but can't control the decoded media data. So it can't prevent the illegal copy of the private.

信息安全技术中采取的密码学技术因仅能控制信息的传布入程，而对于解码后的媒体数据却难以控制，因而无法阻止合法使用者的非法拷贝和传布。

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For Web sites that process payment transactions, the Web server also supports secure Sockets Layer (SSL), the Internet protocol for transmitting and receiving information securely over the Internet.

对于处理支付交易的网站，网络服务器也支持加密套接字协议(SSL)——用于在因特网上安全地传输与接收信息的因特网协议。

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