Abstract
Steinwandt and Corona proposed a forward-secure identity-based non-interactive key distribution (ID-NIKD) scheme and proved its security, and then a forward-secure identity-based encryption (IBE) constructed from their forward-secure ID-NIKD scheme. In this study, attacks are presented to point out that their ID-NIKD scheme and IBE scheme are not forward-secure. We conclude that how to construct a forward-secure ID-NIKD scheme is still an open problem.
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References
Paterson K.G., Srinivasan S.: On the relations between non-interactive key distribution, identity-based encryption and trapdoor discrete log groups. Des. Codes Cryptogr. 52, 219–241 (2009).
Steinwandt R., Corona A.S.: Identity-based non-interactive key distribution with forward security. Des. Codes Cryptogr. 64, 195–208 (2012).
Acknowledgments
The authors appreciate the anonymous reviewers for their constructive suggestions. This work was supported by Science and Technology Plan Basic Research of Qingdao 11-2-4-1-(6)-JCH, and National Science Foundation of China 41276085.
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Communicated by C. Mitchell.
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Lin, X.J., Ren, R., Wei, Z. et al. Comment on “Identity-based non-interactive key distribution with forward security”. Des. Codes Cryptogr. 75, 1–7 (2015). https://doi.org/10.1007/s10623-013-9886-4
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DOI: https://doi.org/10.1007/s10623-013-9886-4
Keywords
- Cryptographic protocols
- Non-interactive key distribution
- Forward security
- Identity-based encryption
- Analysis