FLEXIBLE MANAGEMENT OF SECURITY FOR MULTI-USER ENVIRONMENTS

摘要

One embodiment is a method including computing or storing in a computer accessible medium a first polynomial which is a function of a set of numbers each associated with a member of a group to be provided a cryptographic information, determining a second polynomial which is a function of the first polynomial and an information to be privately shared with the group, and using at least one of the first polynomial and the second polynomial in providing communication between or among two or more members of the group. Further embodiments include systems and computer readable media including an access control polynomial.