Vigenère cipher
SIMPLE TYPE OF POLYALPHABETIC ENCRYPTION SYSTEM
Vigenère Cipher; Le chiffre indéchiffrable; The unbreakable cypher; Le chifffre indechiffrable; Vigenere cipher; Vigenere table; Vigenere Table; Vigenère table; Vigenère Table; Vigenère ciphers; Vigenére cipher; Vigenère square; Vigenere Cipher; Le chiffre indechiffrable; Vigenere square; Vigenere cypher; Vigenere ciphers; Gronsfeld cipher; Vigenère cypher; Kappa test; Vignere cipher; Vigenère's cipher; Bellaso cipher; Bellaso's cipher
The Vigenère cipher () is a method of encrypting alphabetic text by using a series of interwoven Caesar ciphers, based on the letters of a keyword. It employs a form of polyalphabetic substitution.