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A new strong multiple designated verifiers signature for broadcast propagation

Tian H., Liu Y.

Control and Cybernetics

2012

Vol. 41, no. 2

297-315

A strong multiple designated verifiers signature (SMDVS) enables a signer to convince a set of verifiers by generating one signature, of which the verification needs a private key of a verifier. After a brief survey of current SMDVS schemes, we find no schemes suitable to a broadcast propagation, where the simulation needs only one verifier's private key. Motivated by this discovery, we propose a broadcast SMDVS scheme. The new scheme is proven secure in the random oracle model.