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http://dx.doi.org/10.9708/jksci.2011.16.5.073

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

Noh, Chang-Oh (Dept. of Computer Engineering, Chosun University)
Moon, In-Kyu (School of Computer Engineering, Chosun University)
Cho, Beom-Joon (School of Computer Engineering, Chosun University)
Publication Information
Journal of the Korea Society of Computer and Information / v.16, no.5, 2011 , pp. 73-78 More about this Journal
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.
Keywords
Digital Holography; DES; Avalanche Effect; Brute-force attack;
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