🌐فارسیEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaРусскийالعربيةفارسی한국어中文日本語EntityQ720931· pop 20· linked from 79 articlesتابع یکطرفهfunction that is easy to compute on every input, but hard to invert given the image of a random inputAvailable in 20 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanConnectionstrapdoor functionEntitycomputer scienceEntityCategoriesCryptographic primitivesUnsolved problems in computer science