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New potentially ‘weak’ keys for DES amd LOK

Extended abstract
  • Lars Ramkilde Knudsen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 950)

Abstract

In this paper we present several new potentially weak (pairs of) keys for DES, LOKI89 and LOKI91.

References

  1. 1.
    E. Biham, A. Shamir. Differential Cryptanalysis of DES-like Cryptosystems. Journal of Cryptology, Vol. 4 No. 1 1991.Google Scholar
  2. 2.
    L. Brown, J. Pieprzyk, J. Seberry. LOKI — A Cryptographic Primitive for Authentication and Secrecy Applications. Advances in Cryptology — AUSCRYPT '90. Springer Verlag, LNCS 453, pp. 229–236, 1990.Google Scholar
  3. 3.
    L. Brown, M. Kwan, J. Pieprzyk, J. Seberry. Improving Resistance to Differential Cryptanalysis and the Redesign of LOKI. Advances in Cryptology — Proceedings from ASIACRYPT'91, Springer Verlag, LNCS 739, pp. 36–50, 1993Google Scholar
  4. 4.
    D. Coppersmith. The real reason for Rivest's phenomenon. Advances in Cryptology — Proceedings of Crypto 85. Springer Verlag, LNCS 218, pp. 535–536, 1986.Google Scholar
  5. 5.
    Data Encryption Standard, Federal Information Processing Standard (FIPS), Publication 46, National Bureau of Standards, U.S. Department of Commerce, Washington D.C., January 1977.Google Scholar
  6. 6.
    Y. Desmedt, J-J. Quisquater, M. Davio. Dependence of output on input in DES: Small avalanche characteristics. Advances in Cryptology: Proceedings of CRYPTO 84. Springer Verlag, LNCS 196, pp. 359–376, 1985.Google Scholar
  7. 7.
    X. Lai. On the Design and Security of Block Ciphers. Thesis, ETH Zürich, 1992.Google Scholar
  8. 8.
    J.H. Moore and G.J. Simmons. Cycle structure of the DES with weak and semiweak keys. Advances in Cryptology — Crypto'86, Springer Verlag, LNCS 263, pp. 9–32, 1987.Google Scholar
  9. 9.
    B. Preneel. Analysis and Design of Cryptographic Hash Functions. Thesis, Katholieke Universiteit Leuven, January 1993.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Lars Ramkilde Knudsen
    • 1
  1. 1.århus UniversityDenmark

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