Article collection "Mathematical Problems of Cybernetics" №16, Moscow, 2007

Authors:Mineev M.P., Chubarikov V.N.

The problem of character occurrence frequency distortion in a simple substitution cipher

Abstract:

The present paper deals with the effect of symbol frequency distortion for a simple substitution cipher based on an 'alphabet compression', using quadratic residues and nonresidues in finite fields.

Keywords:

Simple substition cipher, frequency analysis, quadratic residue

Publication language:russian,
pages:4(p. 242-245)

Research direction:

Mathematical problems and theory of numerical methods