title

Vigenère Encrypter

Encrypt a text with le chiffre indéchiffrable by Blaise de Vigenère

Tool created by Mariano Tomatis

The Vigenère cipher is a method of encrypting alphabetic texts with a polyalphabetic substitution, through a series of different Caesar ciphers based on the letters of a keyword. This tool can be used to encrypt messages by specifying a keyword.

Message

Keyword

Complete (view) 25 letters (no W) (view) De Chérisey's (25 letters no W) (view)

Message

Keyword (padded)

→ Encoded message

← Reverse encoded message

→ Decoded message

← Reverse decoded message

The puzzle published on page 104 of the issue of Wired Magazine (May 2009), guest edited by J.J. Abrams, can be solved by converting numbers into a string, then using "Wired Magazine" as a key.

Click here to see the interaction: the decoded message will be USE LETTERS BACKWARDS FROM END

© 2023 Mariano Tomatis Antoniono • Dharma Initiative • Mathematical Forecasting Initiative • Italian Division (Turin)