Applications of digital fingerprinting and digital watermarking for E-commerce security mechanism

In this paper, a new security system in electronic commerce based on PKI and extended by digital fingerprinting and digital watermarking is proposed. The security system can effective protect the data security of electronic commerce. The whole security system integrates three partspsila strong point and forms its own good qualities, so it has very high level security and can suit for the complicated applications of electronic commerce.