SHA-256

SHA‑256 is a 256‑bit cryptographic hash function from the SHA‑2 family standardized by NIST.

#crypto#nist

Last updated: 2025-09-02T00:00:00.000Z

Evidence

NIST FIPS 180-4 Normative evidence
csrc.nist.gov

More context

It provides preimage and collision resistance for integrity and is used in HMAC, signatures, and commitments.