Based on what, a form of polyalphabetic substitution uses a series of interwoven Caesar ciphers for encrypting alphabetic text?
Polyalphabetic cipher: A polyalphabetic cipher is any cipher based on substitution, using multiple substitution alphabets. Vigenère 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.
i don't know