The report informe.pdf (in spanish) explains in details the implementation and contains several examples showing all the funcionalities of the program. $ python3 main.py --help usage: main.py [-h] [-m ...

Its simplicity and its cryptographic strength compared to simple substitution and Vigènere (a polyalphabetic substitution cipher) made it an immediate success as a field cipher, used by the ...

The Vigenere Cipher is a polyalphabetic substitution cipher that uses a keyword to encrypt and decrypt text. It is more secure than the Caesar Cipher because it uses multiple alphabets to encode the ...

At ancient Rome, the romans had an intelligence system comparable to the one in today's USA. To make attacks based on frequency analysis harder, polyalphabetic ciphers have been invented in the 16th ...