Classical Cryptography Methods for Words and Phrases R package ciphertext version 0.1.1 Classical cryptography methods for words and brief phrases. Substitution, transposition and concealment (null) ciphers are available, like Caesar, Vigenère, Atbash, affine, simple substitution, Playfair, rail fence, Scytale, single column, bifid, trifid, and Polybius ciphers. Software Depends: R (>= 4.3.0) Suggests: testthat (>= 3.0.0) Luigi Annicchiarico <luigi.annic@gmail.com> Comprehensive R Archive Network (CRAN) Luigi Annicchiarico [cre, aut] GPL-3 2025-01-10 application/tgz https://CRAN.R-project.org/package=ciphertext doi:10.32614/CRAN.package.ciphertext