A new ID-based proxy multi-signature scheme from bilinear pairings
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ID-based public key cryptosystem can be a good alternative for certificate-based public key setting. This paper provides an efficient ID-based proxy multi-signature scheme from pairings. In the random oracle model, we prove that our new scheme is secure against existential delegation forgery with the assumption that Hess's scheme-1 is existential unforgeable, and that our new scheme is secure against existential proxy multi-signature forgery under the hardness assumption of the computational Diffie-Hellman problem.
Key wordsID-based signature proxy multi-signature ID-based proxy multi-signature bilinear pairings provable security
CLC numberTN 918 TP 309
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