Database Watermark Security Protocol Based on Trusted Third Party
Zhiyong Peng · Journal of Wuhan University · 2007
A database watermark protocol is composed of trusted third party(TTP),buyer and seller: TTP makes sure the identities of both buyer and seller through their signatures,reconstructs watermark combining buyer and seller's watermark,and verifies the validity of database product.Then,TTP Sends watermark insertion/detection mobile agent to insert/detect watermark information.Lastly,the protocol is formally proved by SVO logic to protect both seller and buyer's rights.