Last Updated
：2025/11/27
trapdoor function
Noun
Japanese Meaning
特定の秘密情報（トラップドア）を有していない場合、ある方向への計算は容易であるものの、逆方向（逆関数の計算）は非常に困難な性質を持つ関数。数学や暗号理論で利用される。
（ plural ）
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(mathematics, cryptography) A function that is easy to compute in one direction but difficult to compute in the opposite direction (finding its inverse) without special information.
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trapdoor function
Researchers rely on a trapdoor function to secure communications, because it is easy to compute in one direction but hard to invert without the private key.
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Researchers rely on a trapdoor function to secure communications, because it is easy to compute in one direction but hard to invert without the private key.
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