For example, if the displacement is decided as 1, then the original text 'open space' according to the above technique gets encrypted as 'pqfo tqbdf'. In the Vigenere cipher, unlike in Ceasar ...

The aim of this paper is to trace the development of cipher-writing from the very simple devices of the Ancients to the so-called Chiffre Indéchiffrable, generally called the Vigenère Cipher. The ...

Giovan Battista Bellaso, a 16th-century cryptologist, designed the Vigenere cipher (falsely attributed to diplomat Blaise de Vigenere), believed to be the first cipher that used an encryption key.

Mozilla has launched Codemoji to teach people how ciphers work and the value of encryption in a world of mass surveillance.