Group fingerprinting communication protocols for digital wholesale and retail in E-commerce

Prior buyer-seller protocols discuss security issues of watermarking schemes in traditional E-commerce. But considering the importance and few discussions of electronic wholesale-retail, we propose the wholesale-retail concept and its group fingerprint based communication protocol. The rights protection of all participants by PKI and TTP are discussed from the field of cryptography, and the pirates tracing problem is solved with group fingerprinting technique. We prove that the wholesale order is guaranteed and the tracing of malicious middlemen and final customers are realized along with common security assurances. The transaction way of delivering wholesaled goods and retailed goods is also provided for business and security usage. What´s more, for the demand of future market, the protocol can be extended for group purchase.