May 2017
Intermediate to advanced
1280 pages
94h 8m
English
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Chapter 48
Public Key Infrastructure
Terence Spies Hewlett Packard Enterprise, Cupertino, CA, United States
Abstract
Cryptographic algorithms are used for important tasks such as data encryption, authentication, and digital signatures, but one problem has to be solved to enable these algorithms: binding cryptographic keys to machine or user identities. Public key infrastructure (PKI) systems are built to bridge useful identities (email addresses, Domain Name System addresses, etc.) and the cryptographic keys used to authenticate or encrypt data passing among these identities. This chapter will explain the cryptographic background that forms the foundation of PKI systems, the mechanics of the X.509 PKI system (as elaborated by a number of standards ...
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