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Complexity aspects of guessing prefix codes

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Abstract

Given a natural language cleartext and a ciphertext obtained by Huffman coding, the problem of guessing the code is shown to be NP-complete for various variants of the encoding process.

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References

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Authors and Affiliations

  1. Department of Applied Mathematics and Computer Science, The Weizmann Institute of Science, 76100, Rehovot, Israel

    A. S. Fraenkel

  2. Department of Mathematics and Computer Science, Bar-Ilan University, 52900, Ramat Gan, Israel

    S. T. Klein

Authors
  1. A. S. Fraenkel
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  2. S. T. Klein
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Communicated by Alberto Apostolico.

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Fraenkel, A.S., Klein, S.T. Complexity aspects of guessing prefix codes. Algorithmica 12, 409–419 (1994). https://doi.org/10.1007/BF01185434

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  • DOI: https://doi.org/10.1007/BF01185434

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