From the course: CompTIA Security+ (SY0-701) Cert Prep: 1 General Security Concepts
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PKI and digital certificates
From the course: CompTIA Security+ (SY0-701) Cert Prep: 1 General Security Concepts
PKI and digital certificates
The public key infrastructure or PKI solves many of the practical issues associated with the web of trust by introducing the concept of certificate authorities. Instead of relying upon the peer-to-peer trust relationships that Zimmermann proposed in the web of trust model, the public key infrastructure relies upon the trust that participants have in highly trusted centralized service providers. These providers, known as certificate authorities, form the basis of the public key infrastructure. Certificate authorities verify the identities of individuals and organizations and then issue them digital certificates vouching that the public key associated with that individual or organization actually belongs to them. The process that we use is fairly similar to the one used to issue government identification cards in the physical world. If you want to obtain a driver's license, you go to your region's Department of Motor Vehicles. When you arrive, you're asked to prove your identity through…
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Trust models2m 52s
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PKI and digital certificates4m 5s
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Hash functions7m 38s
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Digital signatures3m 50s
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Digital signature standard1m 27s
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Create a digital certificate4m 55s
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Revoke a digital certificate1m 28s
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Certificate stapling2m 29s
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Certificate authorities6m 13s
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Certificate subjects3m 35s
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Certificate types2m 55s
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Certificate formats2m 30s
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