Research: A proposal of a cryptography algorithm with techniques of error correction

  • Authors:
  • Walter Godoy, Júnior;Dyson Pereira, Júnior

  • Affiliations:
  • CPGEI-CEFET-PR Av. Sete de Setembro, 3165, Curitiba, CEP 80230-901 Parana, Brazil;CPGEI-CEFET-PR Av. Sete de Setembro, 3165, Curitiba, CEP 80230-901 Parana, Brazil

  • Venue:
  • Computer Communications
  • Year:
  • 1997

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Abstract

A new cryptographic system is presented in this paper which combines error-correction techniques with cryptographic protection as secure as one might want. The proposed system is based on the following: given a linear block code (n, k), n k, we have a lot of possibilities to distribute 'k' information symbols among 'n' symbols composing the code word. A method for the cryptanalysis of the system is also proposed. These possibilities increase when n @? k and include the order and place of the T symbols among the 'n' symbols. Practical results were obtained via simulation on a PC486, 66 MHz, where the proposed system and its cryptographic analysis were implemented.