pqcstatus
Algorithm

SHA-3: quantum risk, deadlines and replacements

Quantum-resistant

Keccak-based hash standard, alternative to SHA-2.

At a glance

Quantum riskQuantum-resistant
Used forHash function
Post-quantum algorithmNo

Positions and deadlines by authority

AuthorityPositionEffectiveScopeDetails
NISTAcceptablein forceall variants

Sources

  1. FIPS 202 — SHA-3 Standard · NIST

Catalog version 2026-09-28. Every position links to its primary source; draft documents are labelled as such.

Frequently Asked Questions

Is SHA-3 quantum-safe?

Yes. No known quantum attack breaks SHA-3 at the recommended parameter sizes.