{{omit from|GUISS|would need to install an application that could do this}}
{{omit from|Openscad}}

;Task:
Implement a   [[wp:Vigen%C3%A8re_cipher|Vigenère cypher]],   both encryption and decryption.

The program should handle keys and text of unequal length,
and should capitalize everything and discard non-alphabetic characters. <br>
(If your program handles non-alphabetic characters in another way,
make a note of it.)


;Related tasks:
* &nbsp; [[Caesar cipher]]
* &nbsp; [[Rot-13]]
* &nbsp; [[Substitution Cipher]]
<br><br>