Cryptanalysis of a Diophantine Equation Oriented Public Key Cryptosystem

  • Authors:

  • C. S. Laih;M. J. Gau

  • Affiliations:

  • National Cheng Kung Univ., Tainan, Taiwan;National Cheng Kung Univ., Tainan, Taiwan

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1997

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Abstract

Lin et al. proposed a new public-key cipher system whose security is based upon the Diophantine equations. In this note, we show that their scheme is insecure under the ciphertext only attack.