Level 1
PKI Foundations
Build a solid conceptual foundation in public key infrastructure. This course covers asymmetric cryptography, certificate structure, trust hierarchies, certificate lifecycle, and the role of Certificate Authorities — without assuming prior PKI experience.
3 hours 20 lessons 5 modules 0 completed
Learning Objectives
Explain asymmetric cryptography and how key pairs work
Describe the structure and fields of an X.509 certificate
Identify the components of a PKI trust hierarchy
Explain certificate lifecycle: issuance, renewal, revocation
Describe the role of CRL, OCSP, CDP, and AIA
Distinguish between root CAs, intermediate CAs, and issuing CAs
Explain how certificate chain validation works
Course Modules