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Secure Identity Based Encryption Without Random Oracles
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Abstract: | We present a fully secure identity based encryption scheme whose proof of security does not rely on the random oracle heuristic. Security is based on the decisional bilinear Diffie-Hellman assumption. Previous constructions of this type incurred a large penalty factor in the security reduction from the underlying complexity assumption. The security reduction of the present system is polynomial in all the parameters. |
BibTeX
@misc{eprint-2004-12145, title={Secure Identity Based Encryption Without Random Oracles}, booktitle={IACR Eprint archive}, keywords={public-key cryptography / identity-based encryption, provable security}, url={http://eprint.iacr.org/2004/173}, note={An extended abstract appears in CRYPTO 2004. eprint@boyen.org 12620 received 20 Jul 2004, last revised 21 Jul 2004}, author={Dan Boneh and Xavier Boyen}, year=2004 }