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Efficient Identity-Based Encryption Without Random Oracles
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Abstract: | We present the first efficient Identity-Based Encryption (IBE) scheme that is fully secure without random oracles. We first present our IBE construction and reduce the security of our scheme to the decisional Bilinear Diffie-Hellman (BDH) problem. Additionally, we show that our techniques can be used to build a new signature scheme that is secure under the computational Diffie-Hellman assumption without random oracles. |
BibTeX
@misc{eprint-2004-12152, title={Efficient Identity-Based Encryption Without Random Oracles}, booktitle={IACR Eprint archive}, keywords={public-key cryptography / Identity-Based Encryption}, url={http://eprint.iacr.org/2004/180}, note={Eurocrypt 2005 bwaters@cs.stanford.edu 12874 received 26 Jul 2004, last revised 1 Apr 2005}, author={Brent R. Waters}, year=2004 }