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What is Compression Function

Chapter 6
Handbook of Research on Threat Detection and Countermeasures in Network Security
H maps an input x of arbitrary finite bit length, to an output h(x) of fixed bit length n.
Published in Chapter:
Cryptographic Hash Function: A High Level View
Imad Fakhri Alshaikhli (International Islamic University of Malaysia, Malaysia) and Mohammad Abdulateef AlAhmad (PAAET, Kuwait)
Copyright: © 2015 |Pages: 15
DOI: 10.4018/978-1-4666-6583-5.ch006
Abstract
Cryptographic hash function verifies data integrity and sender identity or source of information. The task is accomplished by taking a variable bit patterns as an input then produces a fixed bit patterns of output. This chapter provides a detailed overview to include classification, properties, constructions, attacks, applications and an overview of a selected dedicated cryptographic hash function.
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