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Trapdoor

//ˈtræpdɔː// noun, verb

Definitions

Noun
  1. 1
    A hinged or sliding door set into a floor or ceiling.
  2. 2
    Such a trap set into the floor of a stage to allow fast exits and entrances.
  3. 3
    A secret method of obtaining access to a program or online system; a backdoor.
  4. 4
    The special information that permits the inverse of a trapdoor function to be easily computed.
  5. 5
    A door in a level for regulating the ventilating current; a weather door.
Verb
  1. 1
    To subvert (a cryptographic scheme) by means of a secret parameter that makes the trapdoor function easy to compute. transitive
  2. 2
    To form a trapdoor deformity. intransitive

Etymology

Etymology 1

From trap + door.

Etymology 2

From trap + door.

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