Digital multi-signature scheme based on bilinear pairing

Digital multi-signature scheme based on bilinear pairing

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Based on bilinear pairing and three complicated problems,a new digital multi-signature scheme was pro-posed.In the new scheme,the advantage of fast signature in broadcasting digital multi-signature was applied to se-quential digital multi-signature.By changing the general mechanism of signature,signing could 3m speedglas 9002nc be done simultane-ously by the signers.Then,the signature was sent to verifier after it was verified by trusted third party.The trans-formation from concurrent signature to sequential signature was finally realized by the verifier.

The security capa-bilities in three complicated here problems,anti-fake attack and anti-conspiracy attack from some members of the new scheme were analyzed.Proposed scheme has many advantages over the old ones,such as fewer calculation,simpler algorithm,faster signing,higher security.