Question
a.
Obtain the key, try all possible combinations, look for a flaw in the algorithm
b.
Obtain the algorithm, try all possible combinations, look for a flaw in the key
c.
Obtain the message, try all possible keys, look for a flaw in the algorithm
d.
Obtain the message, try all possible keys, look for a flaw in the key
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Q. What are the three ways to decipher a message encrypted with a key-based cipher?
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