caesar, an Octave code which applies a Caesar Shift Cipher to a string of text.
The information on this web page is distributed under the MIT license.
caesar is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
atbash, an Octave code which applies the Atbash substitution cipher to a string of text.
chrpak, an Octave code which works with characters and strings.
rot13, an Octave code which can encipher a string using the ROT13 cipher for letters, and the ROT5 cipher for digits.