Cryptanalysis of an efficient signcryption scheme with forward secrecy based on elliptic curve

@article{Toorani2008CryptanalysisOA,
  title={Cryptanalysis of an efficient signcryption scheme with forward secrecy based on elliptic curve},
  author={Mohsen Toorani and Asghar Beheshti},
  journal={2008 International Conference on Computer and Electrical Engineering},
  year={2008},
  pages={428-432}
}
The signcryption is a relatively new cryptographic technique that is supposed to fulfill the functionalities of encryption and digital signature in a single logical step. Several signcryption schemes are proposed throughout the years, each of them having its own problems and limitations. In this paper, the security of a recent signcryption scheme, i.e. Hwang et al.'s scheme is analyzed, and it is proved that it involves several security flaws and shortcomings. Several devastating attacks are… CONTINUE READING
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