Cryptography – The Vigenere Cipher

The Vigenere Cipher is a polyalphabetic substitution cipher, invented by Blaise de Vigenère in the 19th century. The cipher uses 26 caesar shift ciphers and alternates between the alphabets, this is what makes the Vigenere Cipher much stronger than the Caeser Cipher. The Vigenere Cipher can not be cracked by using conventional frequency analysis, i will describe … Continue reading Cryptography – The Vigenere Cipher