Remember SHA
Full name: Secure Hash Algorithm
Memory aid: Secure Hash makes a fixed-size fingerprint.
A hash is not reversible encryption; algorithm version matters.
Study area: Cryptography & trust · Batch 3
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
SHA — Secure Hash Algorithm
Names standardized cryptographic hash algorithm families.
Why learn SHA — Secure Hash Algorithm?
Names standardized cryptographic hash algorithm families.
Where it came from
A hash is not reversible encryption; algorithm version matters.
- Memory aid (a learning cue, not the expansion): Secure Hash makes a fixed-size fingerprint.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand SHA: Secure Hash Algorithm.
- Recall this memory aid: Secure Hash makes a fixed-size fingerprint.
- Explain the practical use: Names standardized cryptographic hash algorithm families.
- Explain this distinction: A hash is not reversible encryption; algorithm version matters.
- Identify SHA in a device specification, architecture diagram, or system inventory.
Documentation and sources
- NIST cybersecurity glossary (csrc.nist.gov)