Public key certificate - also digital certificate or identity certificate. A document that contains information about a user's or machine's identity, matched up with its public key, and is validated and cryptographically signed by a certificate authority. Certificates are intended to provide a ...

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5answers
5k views

If Mac code signing is tampered with, what might fail?

What annoyances or real problems may occur when the digital signature of a Mac application is broken? Applications on a Mac can be digitally signed. When the signature is somehow broken, I know a few ...
-1
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3answers
468 views

Is there a license / royalty free DRM available for protecting and distributing content? [closed]

Is there a license / royalty free DRM available for protecting and distributing video content?
58
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7answers
237k views

How do I disable the warning Chrome gives if a security certificate is not trusted?

I want to know if it's possible to disable the warning you get in Chrome when you try to go to some HTTPS site that doesn't have a trusted certificate. I have a few sites in my bookmarks that use ...
19
votes
3answers
29k views

How to create my own certificate chain?

I would like to setup my own OCSP Responder (just for testing purposes). This requires me to have a root certificate and a few certificates generated from it. I've managed to create a self-signed ...
23
votes
6answers
67k views

Add permanent SSL certificate exception in Chrome (Linux)

I have a problem with a website that has an SSL certificate which doesn't correspond to the website domain. Chrome gives me a warning for this website (and rightly so), which I have to ignore ...
6
votes
1answer
5k views

Where do I find the certificate file so I can add a program to “Trusted Publishers” in the certmgr?

I have three programs that startup automatically with Windows 7. They are: Webroot SecureAnywhere Soluto Anti-Frustration Software everything.exe Each of these programs bring up a blue UAC dialog ...
8
votes
4answers
28k views

Continually getting https Certificate Errors on all browsers

I recently switched to a new laptop running Windows 7. For some reason I am constantly getting certificate errors when hitting sites where I really shouldn't be getting them - twitter, picasa, google ...
3
votes
3answers
212 views

HTTPS certificates invalid on Safari, Chrome on specific user account

Safari and Chrome report invalid certificates on certain HTTPS sites (for example GitHub and Bitbucket). Firefox strangely shows a green valid certificate. I've created a new OS X user and everything ...
2
votes
2answers
3k views

Can I disable certificate error/warning in Firefox/Chrome/Internet Explorer?

Exactly as the title says; I don't mind which browser, I just want to type "https://........" and see the page normally without any certificate error, knowing that I might risk myself by allowing an ...
0
votes
1answer
143 views

How to make Google Chrome not to check system clock or certificates at all?

How to make Google Chrome not to check system clock? I want to switch back my system clock and still can access to gmail etc.
48
votes
4answers
74k views

How to save a remote server SSL certificate locally as a file

I need to download an SSL certificate of a remote server (not HTTPS, but the SSL handshake should be the same as Google Chrome / IE / wget and curl all give certificate check fail errors) and add the ...
20
votes
4answers
28k 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 ...
21
votes
4answers
43k views

How can I get a list of installed certificates on Windows?

I know I have some certificates installed on my Windows 7 machine, how can I see what they are, the nicknames they are known by, and browse detailed information (such as issuer and available usage)?
14
votes
1answer
11k views

How do I view the contents of a PFX file on Windows?

I have a PFX certificate file on my machine and I'd like to view the details before importing it. (The import utility doesn't actually tell you what the certificate is!). How do I view the details ...
4
votes
4answers
12k views

How to install a CA key (self signed SSL) on ubuntu? [duplicate]

I have a bunch of machines that need to fetch https: off a server (or collection of servers). I'm operating a CA and self-signing the certificates on the server(s). The client machines are running ...
4
votes
2answers
356 views

How do I distinguish between these two certificate situations?

Situation 1 (safe): Website was vulnerable to heartbleed and using a certificate not valid before 2012-10-21 Website upgraded to an unvulnerable version of OpenSSL Website re-keyed and got a their ...
7
votes
3answers
4k views

EFS - Find out what's encrypted

Since a few days when I start Windows Vista i get a Popup from "Encrypting File System" (coming from process efsui.exe) asking me to backup the certificate and key. I don't know what i did to get ...
3
votes
1answer
791 views

Outlook 2013, multiple email accounts and encrypted email: Only last S/MIME settings used

I have multiple email accounts properly setup in Outlook 2013 (can send/receive fine otherwise). Lets say they are: user1@domain1.com user2@domain2.com user3@domain3.com All belong to me and I have ...
5
votes
5answers
37k views

Certificate error with Internet Explorer 9

one of my coworkers installed IE9 on their computer. They are now having trouble accessing some websites that once worked(and still work) in other browsers. One example is this page: ...
2
votes
2answers
2k views

How do add a certificate from a self-signed server to trusted certificates in Chrome?

I have a dedicated server with a wiki and want to secure it so nobody can read my articles by sniffing my pages. I do not want to pay for a valid certificate so I created a self-signed certificate. ...
1
vote
1answer
398 views

Fixing a broken “chain of trust” in Windows 7 Certificates?

I was told that "The Chain of Trust" was broken on this certificate for my malware scanner "Webroot". How do I fix "The Chain of Trust"? ("The Chain of Trust" sounds like a botched version of ...
0
votes
0answers
159 views

Self-signed TLS certs for Sendmail?

I have (attempted to) set up sendmail send mail over SMTPS on port 465. However, everytime I try to send an email through Thunderbird, the following errors appear in mail.log: NOQUEUE: connect from ...