Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2002, Vol. 25 ›› Issue (4): 47-50.

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On the Relationship Between the Round Key and the Cipher Key of the AES Algorithm

CAO Hua-ping1, LUO Shou-shan1, WEN Qiao-yan1, YANG Yi-xian2   

  1. 1.School of Sciences, Beijing University of Posts and Telecommunications, Beijing 100876, China;
    2.Information Engineering School, Beijing University of Posts and Telecommunication, Beijing 100876, China)
  • Received:2001-09-06 Online:2002-11-10
  • Supported by:
     

Abstract: This paper presents the relationship between the round key and the cipher key ofthe AES algorithm and proposes a mathematical model of the key expansion of AES algorithm.

Key words: AES, key, round key

CLC Number: