On the Application of Coding Theory to Hashing
Author(s) -
Nicholas Pippenger
Publication year - 1979
Publication title -
ibm journal of research and development
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.47
H-Index - 95
eISSN - 2151-8556
pISSN - 0018-8646
DOI - 10.1147/rd.232.0225
Subject(s) - hash function , mathematical proof , universal hashing , dynamic perfect hashing , computer science , coding (social sciences) , coding theory , collision resistance , perfect hash function , theoretical computer science , collision , discrete mathematics , mathematics , double hashing , computer security , hash table , statistics , geometry
Quick proofs are given for the characterization (due to Schay, Raver, Hanan, and Palermo) of the collision distance of a linear hashing function and for a dual notion (called the restriction distance), which relates to the accessibility of addresses by sets of keys and the uniform distribution of sets of keys over addresses.
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