Trap door

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The Jargon File

Parts of this article are based on the Jargon File, v. 4.4.7,
a public domain document of hacker jargon.

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trap door
Usage: n.
Derivation: Techspeak
Variation: trapdoor
Synonym(s): back door, Bad Thing


trap door: n.

(alt.: trapdoor)

  1. Syn. back door -- a Bad Thing.
  2. [techspeak] A trap-door function is one which is easy to compute but very difficult to compute the inverse of. Such functions are Good Things with important applications in cryptography, specifically in the construction of public-key cryptosystems.
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Sources

Source: trap door, in The Jargon File, version 4.4.7.


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