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Cryptanalysis of an image encryption scheme based on the Hill cipher

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 نشر من قبل Chengqing Li
 تاريخ النشر 2007
  مجال البحث الهندسة المعلوماتية
والبحث باللغة English




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This paper studies the security of an image encryption scheme based on the Hill cipher and reports its following problems: 1) there is a simple necessary and sufficient condition that makes a number of secret keys invalid; 2) it is insensitive to the change of the secret key; 3) it is insensitive to the change of the plain-image; 4) it can be broken with only one known/chosen-plaintext; 5) it has some other minor defects.



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