Questions tagged [trusted-root-certificates]

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

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DST Root CA X3 expiration on Windows7. Which update I need to install? Are there workarounds?

I'm on Windows 7 SP1 and today, September 30, I faced with the expiration of DST Root CA X3 certificate. The problem (which will probably affect millions of users) is perfectly described here: https://...
user90726's user avatar
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289 votes
8 answers
861k 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 ...
Xeoncross's user avatar
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69 votes
12 answers
56k views

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 computer'...
Trevor Dixon's user avatar
16 votes
3 answers
58k views

How to make Chrome trust Windows system root CA certificate?

Our corporate machine administrators distribute corporate root CA certificates via Active Directory, but Chrome does not trust system certificates by default. Is there any way to tweak Chrome to trust ...
Franklin Yu's user avatar
5 votes
2 answers
312 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 ...
SherlockEinstein's user avatar
39 votes
3 answers
186k 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 ...
richzilla's user avatar
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29 votes
1 answer
136k views

Where are digital certificates physically stored on a Mac OS X machine?

Can someone tell me and maybe link to literature which describes it, where are the digital certificates storage location on Mac OS X? I know I could access the certificates with the “Keychain” ...
Opa114's user avatar
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8 votes
2 answers
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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 ...
BurninLeo's user avatar
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5 votes
2 answers
19k views

Why is the local certificate store missing in Windows 8.1?

I am trying to import a self-signed certificate into the local certificate store of the Trusted Root CAs on my Windows 8.1 machine, but that store is missing. Importing it into the Trusted Root CAs ...
user1301428's user avatar
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0 votes
1 answer
4k 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:...
Ian Boyd's user avatar
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SSL: Can't convert DER to PEM

I'm working with ssl certificates and trying to convert myCA.cer to myCA.pem... $ openssl x509 -in myCA.crt -inform der -outform pem -out myCA.cer.pem unable to load certificate 65927:error:0D0680A8:...
drew1kun's user avatar
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