Known-key distinguishing attack

In cryptography, a known-key distinguishing attack is an attack model against symmetric ciphers, whereby an attacker who knows the key can find a structural property in cipher, where the transformation from plaintext to ciphertext is not random. There is no common formal definition for what such a transformation may be. The chosen-key distinguishing attack is strongly related, where the attacker can choose a key to introduce such transformations.

单词	Open key
释义	Open key 原声例句英音：德雷尔一家（The Durrells）第三季 One day, I tried to open the door with a banana instead of a key. 有一天我试图用香蕉而不是钥匙去开门。家庭与世界（下） I have not the strength to return to the room, take again that key, open once more that safe—I should swoon on the threshold of my husband's door. 我没有力气回到房间，再次拿走那把钥匙，再次打开那个保险箱——我差点晕倒在我丈夫的门槛上。英语百科 Known-key distinguishing attack In cryptography, a known-key distinguishing attack is an attack model against symmetric ciphers, whereby an attacker who knows the key can find a structural property in cipher, where the transformation from plaintext to ciphertext is not random. There is no common formal definition for what such a transformation may be. The chosen-key distinguishing attack is strongly related, where the attacker can choose a key to introduce such transformations.
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Open key

Known-key distinguishing attack