1- Suppose you were able to capture a chunk of text (let us say 10,000 bytes long) that was enciphered. Before trying to

[answerhappygod]

1- Suppose you were able to capture a chunk of text (let us say10,000 bytes long) that was enciphered. Before trying to break theencryption, you would first like to know what type of cipher isbeing used. For the following, tell me how you could determine ifthe following ciphers were used. That is, tell me what statisticswould have to hold for it to be one of the following:
a) Monoalphabetic cipher
b) Vignere cipher without autokey
c) Vignere cipher with autokey
d) A rotor machine using 5 rotors