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Digital Signature with Message Recovery and Authenticated Encryption (Signcryption) - A Comparison

  • Chan YeobYeun⋆
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1746)

Abstract

Mitchell and Yeun [8] showed that Chen’s scheme [2] is not a digital signature scheme with message recovery, whereas it should be called an authenticated encryption scheme. Also note that similar remarks have been made in [10] regarding schemes recently proposed by Zheng. Thus we will show that there are major differences between a digital signature scheme with message recovery and authenticated encryption scheme by proposing a digital signature with message recovery scheme and signcryption scheme as an example for comparison. The security of the schemes is based on intractability of solving the Diffie Hellman problem as well as finding a collision on one-way hash-function.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Chan YeobYeun⋆
    • 1
  1. 1.Information Security Group Royal HollowayUniversity of LondonSurreyUK

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