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2009•Journal of Jilin University(Science Edition)Requires access

Problem and Improvement of Rijndael Key Generation Algorithm

HE Rui-lian

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Abstract

For improving the security of Rijndael algorithm in the process of key generation,a character called non-deduction was summarized.With this character,the Rijndael key schedule was improved.We made use of continuous two round keys to generate the next round keys,which made the Rijndael key schedule also possess the character non-deduction.Therefore the security of the original key generation algorithm was enhanced.

About this research paper

What this paper is about

For improving the security of Rijndael algorithm in the process of key generation,a character called non-deduction was summarized.With this character,the Rijndael key schedule was improved.We made use of continuous two round keys to generate the next round keys,which made the Rijndael key schedule also possess the character non-deduction.Therefore the security of the original key generation algorithm was enhanced.

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Available abstract

For improving the security of Rijndael algorithm in the process of key generation,a character called non-deduction was summarized.With this character,the Rijndael key schedule was improved.We made use of continuous two round keys to generate the next round keys,which made the Rijndael key schedule also possess the character non-deduction.Therefore the security of the original key generation algorithm was enhanced.

Key concepts: Advanced Encryption Standard, Key schedule, Key (lock), Character (mathematics), Computer science, Key generation, Schedule, Algorithm

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