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

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12answers
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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 ...
63
votes
5answers
131k 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 ...
10
votes
3answers
43k views

View / install certificates for local machine store on Windows 7

On Windows 7 (Windows 7 Professional x64), how can I view and install certificates in the local machine store? The certmgr.msc plugin allows me to view certificates installed in the current ...
6
votes
2answers
2k 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 ...
4
votes
2answers
75 views

Could merely visiting a web site push a root CA as trusted onto my PC?

This is a follow-up question to this other question, which is about Google decision to start distrusting a specific Symantec Root CA certificate. Microsoft on another hand has not made (yet) any ...
0
votes
1answer
551 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 my:...