Question: In which of the following cipher the plain text and the ciphered text does not have same number of letters?
Options
A : affine cipher
B : autokey cipher
C : columnar cipher
D : additive cipher
Autokey Cipher more questions
Autokey cipher is harder to crack than keyword cipher.
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Suppose A->xBz and B->y, then the simplified grammar would be:
Vigenere cipher is harder to crack than autokey cipher.
What will be the ciphered text if the string ?SECRET?....
What will be the plain text corresponding to cipher text....
Which of the following correctly defines poly alphabetic cipher?
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