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Comments on ＂How to repair the Hill cipher

Y. RANGEL-ROMERO R. VEGA-GARCIA A. MENCHACA-MENDEZ D. ACOLTZI-CERVANTES L. MARTINEZ-RAMOS M. MECATE-ZAMBRANO F. MONTALVO-LEZAMA J. BARRON-VIDALES N. CORTEZ-DUARTE F. RODRIGUEZ-HENRIQUEZ

Journal of Zhejiang University. A. Science, 2008-02, Vol.9 (2), p.211-214 [Periódico revisado por pares]

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Título:
Comments on ＂How to repair the Hill cipher
Autor: Y. RANGEL-ROMERO R. VEGA-GARCIA A. MENCHACA-MENDEZ D. ACOLTZI-CERVANTES L. MARTINEZ-RAMOS M. MECATE-ZAMBRANO F. MONTALVO-LEZAMA J. BARRON-VIDALES N. CORTEZ-DUARTE F. RODRIGUEZ-HENRIQUEZ
Assuntos: Civil Engineering ; Classical and Continuum Physics ; Comment ; Engineering ; Industrial Chemistry/Chemical Engineering ; Mechanical Engineering ; 对称性 ; 网络安全 ; 通信保密
É parte de: Journal of Zhejiang University. A. Science, 2008-02, Vol.9 (2), p.211-214
Notas: Hill cipher, Symmetric encryption, Image encryption
TN918
TP309
33-1236/O4
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: A modification of the Hill cipher algorithm was recently proposed by Ismail et al.（2006）, who claimed that their new scheme could offer more security than the original one due to an extra non-linearity layer introduced via an elaborated key generation mechanism. That mechanism produces one different encryption key for each one of the plaintext blocks. Nevertheless, we show in this paper that their method still has severe security flaws whose weaknesses are essentially the same as that already found in the original Hill cipher scheme.
Editor: Hangzhou: Zhejiang University Press
Idioma: Inglês

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