🌐Tiếng ViệtEnglishDeutschEspañolFrançaisItalianoPortuguêsTiếng ViệtРусскийفارسی한국어中文日本語EntityQ627620· pop 15· linked from 609 articlesHàm trapdoortype of function that is easy to compute in one direction, yet difficult to compute in the opposite direction without special informationAvailable in 15 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoCatalanCzechTiếng ViệtConnectionspublic-key cryptographyEntityRSAEntityCategoriesCryptographic primitivesTheory of cryptography