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Collaborative design is one of core processes for networked manufacturing, so how to safely transfer design information in the network has important significance. In order to provide the confidentiality of transmission information on the level of design team in collaborative design system, a new broadcast encryption scheme based on designerpsilas identity is presented. The new scheme is based on broadcast...
Designated verifier signature (DVS) does not provide non-repudiation property of traditional digital signatures. Multi-signers strong designated verifier signature (MS-SDVS) scheme is required in some cases for the privacy consideration. In this paper the definition and security model of MS-SDVS scheme are presented, and a concrete MS-SDVS scheme is proposed from bilinear pairing. The proposed scheme...
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