Trusted root certificates are used by a computer or device for secure communications and file/program authentication.

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Why won't OS X trust GitHub's SSL certificate?

When I go to any github.com page in Chrome, I get a big ugly error: You attempted to reach github.com, but the server presented a certificate issued by an entity that is not trusted by your ...
27
votes
4answers
59k views

How do you add a certificate authority (CA) to Ubuntu?

My work has decided to issue their own certificate authority (CA) to handle different aspects of our work securely without paying for certificates. Cryptographically sign emails Encrypt email ...
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2answers
861 views

Where to get certificates for Acrobat PDF

When sending an invoice in PDF format, it is useful (in some countries obligatory) to sign this PDF digitally. Of course, I could create a self-signed certificate via OpenSSL, but a warning "could ...
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votes
1answer
83 views

How is a trusted root certificate appearing in my trusted roots list?

Google is in the process of removing CNNIC as a trusted root. I wanted to make sure i don't have them in my certificate store anyway. So i check certmgr.msc, and look for them. They are neither in ...