trapdoor function
type of function that is easy to compute in one direction, yet difficult to compute in the opposite direction without special information
en-GB/tɹæpdɔːɹ ˈfʌŋkʃn/
en-US/ˈtɹæpdoʊɹ ˈfʌŋkʃən/
type of function that is easy to compute in one direction, yet difficult to compute in the opposite direction without special information