Designing a secure designated server identity-based encryption with keyword search scheme: still unsolved |
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| Authors: | Mahnaz Noroozi Iman Karoubi Ziba Eslami |
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| Affiliation: | 1.Department of Computer and Data Science,Shahid Beheshti University, G.C,Tehran,Iran;2.Cyberspace Research Institute,Shahid Beheshti University, G.C,Tehran,Iran |
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| Abstract: | There exist only a few papers in the literature which target the problem of “proposing a secure designated server identity-based encryption with keyword search scheme.” In this paper, we prove that they all suffer from security issues, and therefore, this challenging problem still remains open. |
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