How to Fix the NET:: ERR_CERT_WEAK_SIGNATURE_ALGORITHM in Google Chrome?

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An SSL Error Which Can Only Be Fixed by the Website Manager or Owner

If you’re reading this article then there’s a possibility that you’re facing the ERR_CERT_WEAK_SIGNATURE_ALGORITHM error in Chrome, whenever you try to visit a website. It’s sad to say that this Google Chrome error “your connection is not private” is not something you can fix as a website visitor. If you’re a website visitor, then the only advice we can give is to avoid visiting this website, as it’s using an outdated security technology, which can even be compromised by hackers.
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What is the Google Chrome Error ERR_CERT_WEAK_SIGNATURE_ALGORITHM?

Put simply, whenever you see the err cert weak signature algorithm error in Google Chrome, it means the website has an SSL/TLS certificate installed, but it’s issued with an outdated signature algorithm. Here, the signature algorithm is one small portion of the cipher suite, which is used to perform the encryption function to secure the connection between the client and the server. Usually, the website displays this type of error when the SSL/TLS Certificate gets issued with the SHA-1 algorithm (deprecated long back in 2015).

How to Fix the Chrome Error NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM?

As said above, if you’re the website owner or the one who manages the website, then re-issue your SSL/TLS certificate using the SHA-2 or SHA-256 hashing algorithm. These days, almost all the CAs and SSL service providers, including the resellers, provide certificates with the SHA-2 option at the time of ordering the certificate.

However, if possible, instead of reissuing the certificate, purchase a new one as it will automatically be issued using the latest SHA-2 hashing algorithm, which will fix the cert weak signature algorithm error you see in Google Chrome.

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