1
$\begingroup$

I can't seem to find a tutorial online that helps me with this tasking. I have some Vigenere ciphertext (LVGPA...). It only says to assume that encrypting the key letter A results in no change, B results in an increment of one, C increments 2, and so forth.

How would I start to find the key?

$\endgroup$

Browse other questions tagged or ask your own question.