The 2016 Academy Awards Could Change Everything â UPDATE. BEVERLY HILLS, CA - JANUARY 10: Actor Leonardo DiCaprio, winner of Best Performance by an Actor in a Motion Picture - Drama for 'The Revenant,' poses in the press room during the 73rd Annual Golden Globe Awards held at the Beverly Hilton Hotel on January 10, 2016 in Beverly Hills, California.
The VigenÃ¨re Cipher. The VigenÃ¨re cipher, was invented by a Frenchman, Blaise de VigenÃ¨re in the 16th century. It is a polyalphabetic cipher because it uses two or more cipher alphabets to encrypt the data. In other words, the letters in the VigenÃ¨re cipher are shifted by different amounts, normally done using a word or phrase as the encryption key .
Stewart claims that his main breakthrough came when he solved one of the Zodiac killerâs ciphers sent to the newspapers during his spree. The Zodiac boasted at the time that if police cracked the code then his identity would come out. The killer sent cryptograms to media outlets, some of which remain unsolved. In a letter written to the San Francisco Examiner he had written âin this cipher is my identityâ. Stewart found the words 'EV', 'Best', and 'Jr'.