Last Updated
：2025/12/06
preimage attack
Noun
Japanese Meaning
暗号学において、暗号ハッシュ関数から既知のハッシュ値に対応する入力（事前像）を、ブルートフォースよりも高速に見つけ出す攻撃手法。
（ plural ）
Quizzes for review
(cryptography) An attack on a cryptographic hash function that is able to find a preimage for a hash; that is, it is able to determine (faster than by brute force) some input that results in a known hash when passed through the algorithm.
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preimage attack
A successful preimage attack would allow attackers to recover the original input from a hash value.
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A successful preimage attack would allow attackers to recover the original input from a hash value.
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