Questions tagged [known-plaintext-attack]

KPA is a form of cryptanalysis where the attacker can compare plaintext massages with the resulting ciphertext in order to find statistical weaknesses in the cipher or determine the private key. KPA resistance is a considered a must-have property for any modern cipher.

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Security of AES against known plaintext attack if no IV is used?

I understand the the statement that "AES is not currently vulnerable to known-plaintext attack" but I assume that there is an implicit rider in that statement that should be read "when used in an ...