Oblivious Transfer (OT) protocol is a fundamental building block for Secure Multiparty Computation and finds critically important applications in protecting privacy in various settings.Nevertheless

existing OT protocols do not include the procedure to conduct the statistical analysis in a cooperative environment.Here

a new OT protocol is proposed with a cooperative statistical analysis by pursuing secure multiparty computation of the sum

adopting the homomorphic encryption scheme

and using a clever coding method.Specifically

the sender can calculate the total number of each message sent privately within a given period.Theoretical analysis indicates that the new protocol allows for secure and efficient transfer of private messages in an oblivious way and shows great promise for practical applications in Electronic Commerce

Healthcare Management and other secure systems as well.