Cryptanalysis of an image encryption scheme based on the Hill cipher

Details Cryptanalysis of an image encryption scheme based on the Hill cipher Cryptanalysis of an image encryption scheme based on the Hill cipher

2007-12-05

arxiv.org/abs/0712.0693v1

Computer Science

Cryptography and Security

10 pages, three figures

Scientific paper

10.1631/jzus.A0720102

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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