How to Fix ‘NET ERR_CERT_WEAK_SIGNATURE_ALGORITHM’ in Google Chrome & Firefox

Your step-by-step guide to getting rid of the pesky ‘NET::ERR_CERT_WEAK_SIGNATURE ALGORITHM’ warning message

If you’re seeing the “NET ERR_CERT_WEAK_SIGNATURE_ALGORITHM” error, you’re either a website visitor trying to access a website or a website owner whose site is displaying this error. Either way, it means your data isn’t securely transmitting.

In this post, we’ll talk about both cases and help you resolve this error that says “your connection is not private.” Most of the time, the “NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM” (or “ERR_CERT_WEAK_SIGNATURE_ALGORITHM”) occurs in Google Chrome because a website has an SSL certificate with an outdated algorithm.

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SHA1 vs SHA2 — The Technical Difference Explained by SSL Experts

Let’s talk about SHA1 vs SHA2 — or SHA-1 vs SHA-2, as you may more frequently see them written.

For some of you, when you hear “SHA,” you may think of the dark, physical manifestations of negative emotions from a popular online game (World of Warcraft). For others who aren’t major MMORPG players, you likely think of SHA-1 and SHA-2 hash algorithms.

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