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Revisit of CS98
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Abstract: | Cramer and Shoup proposed the first provably secure practical public-key encryption scheme in the standard model (CS98). We find new way to construct the secure reduction in which the decryption oracle is not needed yet. Thus we get a simplified version of CS98 which is more efficient than the original scheme, and also provably secure against chosen ciphertext attack in standard model. |
BibTeX
@misc{eprint-2006-21881, title={Revisit of CS98}, booktitle={IACR Eprint archive}, keywords={PKE, CCA, standard model}, url={http://eprint.iacr.org/2006/390}, note={ lu_xianhui@sohu.com 13893 received 5 Nov 2006, last revised 21 May 2007, withdrawn 14 Jan 2008}, author={Xianhui Lu and Xuejia Lai and Dake He and Guomin Li}, year=2006 }