A Secure Variant of the Hill Cipher

Details A Secure Variant of the Hill Cipher A Secure Variant of the Hill Cipher

2010-02-18

arxiv.org/abs/1002.3567v4

Proceedings of the 14th IEEE Symposium on Computers and Communications (ISCC'09), pp.313-316, July 2009

Computer Science

Cryptography and Security

4 Pages, 4 Figures

Scientific paper

10.1109/ISCC.2009.5202241

The Hill cipher is a classical symmetric encryption algorithm that succumbs to the know-plaintext attack. Although its vulnerability to cryptanalysis has rendered it unusable in practice, it still serves an important pedagogical role in cryptology and linear algebra. In this paper, a variant of the Hill cipher is introduced that makes the Hill cipher secure while it retains the efficiency. The proposed scheme includes a ciphering core for which a cryptographic protocol is introduced.

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