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A Countermeasure against Brute-force Attack using Digital Holography and DES Algorithm

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2011, 16(5), pp.73-78
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

노창오 1 문인규 1 Beom-Joon Cho 1

1조선대학교

Accredited

ABSTRACT

The DES encryption algorithm employed in information security has a strong avalanche effect, and the processing speed to encrypt is also fast. However, due to the H/W advances, the secret key length of DES having 56bits is not enough so that it is easily exposed to brute force attack. In this paper, we present a new method to significantly increase the secret key length in the DES by integration of digital holography and DES algorithm. In addition, we evaluate the encryption performance of the proposed method by measuring the avalanche effect and verify the possibility of it.

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