10.4. Public Key Infrastructure
The major strength of public key encryption is its ability to facilitate communication between parties previously unknown to each other. This is made possible by the public key infrastructure (PKI) hierarchy of trust relationships. In the following sections, you'll learn the basic components of the public key infrastructure and the cryptographic concepts that make global secure communications possible. You'll learn the composition of a digital certificate, the role of certificate authorities, and the process used to generate and destroy certificates.
Digital certificates provide communicating parties with the assurance that they are communicating with people who truly are who they claim to ...