Last Updated
：2025/12/06
chosen-plaintext attack
Noun
Japanese Meaning
任意平文攻撃：暗号システムに対する攻撃法のひとつで、攻撃者が任意の平文を選択し、その平文がシステムと鍵によって暗号文に変換される様子を利用して行う攻撃。既知平文攻撃よりも強力だが、選択暗号文攻撃ほどの威力は持たない。
（ plural ）
Quizzes for review
(cryptography) An attack on a cryptosystem that relies on the attacker's ability to choose any plaintext of their liking and encrypt it into the corresponding ciphertext with that system and key. More powerful than a known-plaintext attack but less powerful than a chosen-ciphertext attack.
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chosen-plaintext attack
The security team discovered a vulnerability that could enable a chosen-plaintext attack against the legacy encryption protocol.
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The security team discovered a vulnerability that could enable a chosen-plaintext attack against the legacy encryption protocol.
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