Remember AKI
Full name: Authority Key Identifier
Memory aid: Authority's Key gets an Identifier.
An AKI is not a replacement for certificate-path validation.
Study area: Cryptography & trust · Batch 8
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · ISC2 SSCP · CompTIA SecurityX · Cybersecurity Architect SC-100 · ISC2 CCSP · Security, Compliance, and Identity Fundamentals SC-900
Practice with exam flashcards →Cybersecurity & Identity / Knowledge library
AKI — Authority Key Identifier
Helps identify the issuing authority's signing key.
Why learn AKI — Authority Key Identifier?
Helps identify the issuing authority's signing key.
Where it came from
An AKI is not a replacement for certificate-path validation.
- Memory aid (a learning cue, not the expansion): Authority's Key gets an Identifier.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand AKI: Authority Key Identifier.
- Recall this memory aid: Authority's Key gets an Identifier.
- Explain the practical use: Helps identify the issuing authority's signing key.
- Explain this distinction: An AKI is not a replacement for certificate-path validation.
- Identify AKI in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 5280 (www.rfc-editor.org)