Abstract
This paper describes two identity-based broadcast encryption (IBBE) schemes for mobile ad hoc networks. The first scheme proposed achieves sub-linear size cipertexts and the second scheme achieves O(1)-size ciphertexts. Furthermore, when the public keys are transmitted, the two schemes have short transmissions and achieve O(1) user storage cost, which are important for a mobile ad hoc network. Finally, the proposed schemes are provable security under the decision generalized bilinear Diffi-Hellman (GBDH) assumption in the random oracles model.
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Foundation item: the National Natural Science Foundation of China (Nos. 60673072, 60803149); the National Basic Research Program (973) of China (No. 2007CB311201)
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Zhang, Ly., Hu, Yp. & Mu, Nb. Identity-based broadcast encryption with shorter transmissions. J. Shanghai Jiaotong Univ. (Sci.) 13, 641–645 (2008). https://doi.org/10.1007/s12204-008-0641-3
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DOI: https://doi.org/10.1007/s12204-008-0641-3