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Security Weaknesses in Two Certificateless Signcryption Schemes
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Abstract: | Recently, a certificateless signcryption scheme in the standard model was proposed by Liu et al. in \cite{LiuHZM10}. Another certificateless signcryption scheme in the standard model was proposed by Xie et al. in \cite{WZ09}. Here, we show that the scheme in \cite{LiuHZM10} and \cite{WZ09} are not secure against Type-I adversary. |
BibTeX
@misc{eprint-2010-22993, title={Security Weaknesses in Two Certificateless Signcryption Schemes}, booktitle={IACR Eprint archive}, keywords={public-key cryptography /}, url={http://eprint.iacr.org/2010/092}, note={ sharmioshin@gmail.com, ssreevivek@gmail.com 14660 received 20 Feb 2010}, author={S.Sharmila Deva Selvi and S.Sree Vivek and C.Pandu Rangan}, year=2010 }