Xinglan Zhang
Abstract
This paper proposed a new scheme by using modular spuare and its reverse operations.It solved forward security and group membership revocation at the same time.The solution was efficient in that it reduced the computation cost of the signing,verifying and the updating procedure.And supported retroactively publicly revocable group membership.
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This paper proposed a new scheme by using modular spuare and its reverse operations.It solved forward security and group membership revocation at the same time.The solution was efficient in that it reduced the computation cost of the signing,verifying and the updating procedure.And supported retroactively publicly revocable group membership.
Key concepts: Group signature, Revocation, Computer science, Scheme (mathematics), Computation, Group (periodic table), Modular design, Computer security