The Web's PKI: An Expository Review and Certificate Validation Cost Simulation

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CACR-ASAC-PKI.pdf (453.54 KB)
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2016-09-30

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https://hdl.handle.net/2022/21038

Abstract

Public key infrastructure (PKI), comprised of X.509 certificates (PKIX) and cryptographic protocols, helps ensure secure communications for the Web. The creation of PKI is a fascinating story that dates back to the 1970s and came about thanks to people with a strong desire to democratize privacy and security on the Internet. PKIX became the model implementation for PKI that included a fundamental, openly de ned, digital certificate. This paper offers an overview of PKIX for a general audience. It also encourages students to explore some of these ideas, with a discussion on modeling and simulation of costs associated with certificate validation, and some computational number theory.

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cybersecurity, computer science education, PKI, cryptography

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This work is made available under the terms of the Creative Commons Attribution 3.0 Unported License.
 http://creativecommons.org/licenses/by/3.0/deed.en_US

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Technical Report

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Center for Applied Cybersecurity Research