Date Added: Feb 2012
With the rapid development of the Internet and E-business, the security problem causes more and more attention. How to insure authentication, integrity, confidentiality, and non-repudiation of information has became a predominant task in domain of information security and E-business. The paper presents public key encryption ways and its affect on E-business online, discoursing the application in this area along with its advantages and disadvantages, and analyzing PKI (Public Key Infrastructure) technology to enhance security in E-business transactions. This paper also shows the public key encryption methods cryptographic technologies can be useful in various points in the E-business.