secure gateway meaning in English

安全网关

The paper introduced secure data transmission technique and relevant background knowledge , then the author gave an analyse of ssl protocol . the author pointed out the function of the protocol and gave some improvement schemes , expatiated relevant knowledge in the design of secure data transmission . advanced a practical scheme in the design and test of secure gateway and correlated products
本文首先介绍了数据传输安全技术和知识，然后对ssl协议进行了系统分析，指出协议的安全作用并提出了相应的改进方案，阐述了数据传输安全协议设计过程中所要求的相关背景知识，对安全网关的设计及其相关产品的测试提出了实际可行的方案并加以验证。