transposition cipher

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transposition cipher

[‚tranz·pə′zish·ən ‚sī·fər]
(communications)
A cipher in which the order of the characters in the original message is changed.
References in periodicals archive ?
Editor's Note: At 12-by-12 double transposition square (the letters of each row and column can be rearranged to form 24 different words) appears in the May 1980 Word Ways.
This double transposition, Buck-Morss makes clear, involves more than a mere updating.