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With the increasingly widespread application on the Internet, online activities have become more and more frequent. Especially, the development on the online transactions, the financial sector and the government on-line project implementation, etc., which makes data transmission security on Internet become an urgent need to address.TCP/IPV4 is the base of the current Internet. It won the favor of users and became pop quickly for their famous interoperability. However, the work mode of TCP/IP makes it is impossible to completely prevent capturing data on the Internet from others. Now, a lot of solutions are tried to do that even if others capture the data but incomprehensible to them, which need to encrypt data before transmission. In 1995, the Netscape Company put the Secure Socket Layer in his browser - Netscape 1.1 in order to protect the important data transmitted between browsers and Web servers, which has become a significant
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