trap-door function

trap-door function

(cryptography, mathematics)

A special class of one-way function, which is reversible if you know a certain secret associated with the function.

http://rsasecurity.com/rsalabs/faq/2-3-2.html. http://ieor.berkeley.edu/~jshu/knapsack/Review/OverviewPK.html.

This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)