If you&#x27;re still using SHA-1, you might as well skip SHA-2 and go straight to SHA-3, aka KECCAK.
It&#x27;s super clever, yet surprisingly simple. Check out the pseudo-code implementation at <a href="http:&#x2F;&#x2F;keccak.noekeon.org&#x2F;specs_summary.html" rel="nofollow">http:&#x2F;&#x2F;keccak.noekeon.org&#x2F;specs_summary.html</a>