From the course: CompTIA CySA+ (CS0-002) Cert Prep: 4 Software and Systems Security

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PKI and digital certificates

PKI and digital certificates

From the course: CompTIA CySA+ (CS0-002) Cert Prep: 4 Software and Systems Security

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PKI and digital certificates

- [Narrator] 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 Zimmerman proposed for 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 identity 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 is fairly similar to the one we use to issue government identification cards in the physical world. If you want to obtain a driver's license, you go to your regions department of motor vehicles.…

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