英语词汇“trapdoor function”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	trapdoor function
释义	trapdoor function Math. a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram. [1975-80; by analogy with a trapdoor in a floor, through which it is easier to fall than to reemerge after a fall]
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