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What is Certificate Authority

Chapter 12
Handbook of Research on Developments and Trends in Wireless Sensor Networks: From Principle to Practice
A certificate authority is an entity that issues digital certificates for use by other parties.
Published in Chapter:
A Survey on Applied Cryptography in Secure Mobile Ad Hoc Networks and Wireless Sensor Networks
Jianmin Chen (Florida Atlantic University, USA) and Jie Wu (Florida Atlantic University, USA)
Copyright: © 2010 |Pages: 28
DOI: 10.4018/978-1-61520-701-5.ch012
Abstract
Many secure mobile ad hoc networks (MANETs) and wireless sensor networks (WSNs) use techniques of applied cryptography. Numerous security routing protocols and key management schemes have been designed based on public key infrastructure (PKI) and identity-based cryptography. Some of these security protocols are fully adapted to fit the limited power, storage, and CPUs of these networks. For example, one-way hash functions have been used to construct disposable secret keys instead of creating public/private keys for the public key infrastructure. In this survey of MANET and WSN applications we present many network security schemes using cryptographic techniques and give three case studies of popular designs.
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Chapter 153
An Overview of Privilege Management Infrastructure (PMI)
An authority that manages the allocation of digital identity certificates to users; the CA exists as part of a PKI. The CA in conjunction with a Registration Authority (RA) initially checks to ensure the identity of a user. Once identity has been confirmed, the CA issues digital identity certificates that electronically assure the identity of a user based on the CA’s digital signature.
Published in Chapter: An Overview of Privilege Management Infrastructure (PMI); From: Encyclopedia of Multimedia Technology and Networking, Second Edition
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Chapter 205
Virtual Community Mentoring in Higher Education
A Certificate Authority (CA) is a trusted third party, whose purpose is to sign certificates for network entities, signifying that it has authenticated using secure means. Other network entities can check the signature to verify that a CA has authenticated the bearer of a certificate.
Published in Chapter: Virtual Community Mentoring in Higher Education; From: Encyclopedia of Multimedia Technology and Networking, Second Edition
Full Text Chapter Download: US $37.50 Add to Cart
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