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 ...

learn more… | top users | synonyms (1)

11
votes
5answers
7k 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 ...
67
votes
5answers
136k 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 ...
95
votes
8answers
397k 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 ...
51
votes
7answers
167k views

How to bypass the “secure connection failed” warning in Firefox 33

Since installing Firefox 33 a "Secure Connection Failed" error is no longer bypassable using the "I Understand the Risks" button - it's gone! Is it still somehow possible to ignore certificate errors?...
10
votes
4answers
91k 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 ...
0
votes
3answers
744 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?
11
votes
8answers
29k views

Firefox: This connection is untrusted + Behind corporate firewall

I've seen some similar issues strewn throughout Google's results about this, but none seem to be corporate-specific. I continually get the 'This connection is untrusted' screen every time I attempt ...
3
votes
1answer
254 views

How to always allow insecure connection for a certain url in chrome?

For internal usage, we have a system using a self-signed insecure SSL certificate, making Chrome warn me on each session: Your connection is not private Attackers might be trying to steal ...
4
votes
4answers
54k views

Google chrome not accepting any security certificates

I've recently developed a problem with Google Chrome that's really annoying. I'm using Firefox at the moment with no problems whatsoever and it's the same with IE, so it's safe to say this problem is ...
2
votes
2answers
4k 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 ...
2
votes
3answers
3k 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
503 views

Store personal certificates encrypted in Windows?

I recently got my self an email S/MIME signing/encrypting certificate. I installed this on my Windows machine, which, obviously, required me to enter the password I used to encrypt the certificate, ...
142
votes
4answers
236k 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 ...
57
votes
5answers
138k 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 manually....
40
votes
3answers
54k 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 ...
44
votes
1answer
48k 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 ...
26
votes
4answers
76k 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 ...
26
votes
2answers
4k views

What is the superfish SSL certificate and where did it originate

I recently bought a new laptop, every https:// connection I do to any site regardless of browser chain back to a root certificate issued by "superfish, inc". I have had a dig around but I can't seem ...
4
votes
4answers
21k 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 ...
45
votes
4answers
13k views

Firefox “Untrusted Connection” warnings when visiting reputable HTTPS sites when using child's account

When using Firefox on Windows, I see an "Untrusted Connection" warning when visiting any HTTPS site, including very reputable ones such as https://www.google.com and https://search.yahoo.com. The ...
10
votes
3answers
45k 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 ...
16
votes
2answers
48k views

What are the Windows system certificate stores?

When adding certificates, stls, ctls and crls to the system, I can choose the certificate store. I have found only references to the "my" and "root" stores so far. Are there any other?
7
votes
1answer
11k 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 ...
4
votes
2answers
376 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 ...
6
votes
3answers
38k views

How to turn off Opera server certificate messages?

While I'm browsing the Internet, Opera always pop out a lots of from these Server certificate expired boxes. Several times it pops out a tons from them and I have to click to Approve on each of them ...
5
votes
2answers
8k views

Trust SSL certificate to local system account

I have the following need: A windows service needs to connect to a svn repository through https. The service needs also to run as local system account for IO permissions on the machine. Now when the ...
4
votes
1answer
16k views

How to properly install certificate issued to me?

I tried various ways to install certificate, but it seems it either not being seen by linux or something else is wrong. I got .pfx to be able to connect to another server via vpn (need to use Cisco ...
3
votes
2answers
3k 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 ...
1
vote
2answers
7k views

VirtualBox fails to start on Windows Server 2003

For reasons I cannot disclose, I need to install a Linux server within a VirtualBox host running in Windows Server 2003. Unfortunately, VirtualBox fails to start, giving me an error that seems to ...
0
votes
1answer
1k views

Windows certificate manager restore private key somehow

This is may sounds very strange but let me explain a situation: I was using my PKI Private Key installed at Windows Certificate Storage I get token, so I decided to load them to token and delete them ...
5
votes
5answers
45k 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: https://secure....
5
votes
2answers
4k views

Trusted Root certificates regularly disappear on Windows 7

I've installed several self-signed certificates on my Windows 7 Ultimate x64 machine for development purposes. One was installed into Trusted Root CAs and 2 were installed into My Certificates and ...
3
votes
1answer
296 views

How to use backup EFS certificate to decrypt encrypted files?

I have some files that were encrypted on a now extinct Windows 7 system. I made sure to backup my keys, this one is called efs.pfx. Double-clicking it launches the Certificate Import Wizard which ...
3
votes
3answers
3k 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
1answer
221 views

Using CERT Tapioca on VirtualBox

I'm attempting to use Cert Tapioca (http://www.cert.org/blogs/certcc/post.cfm?EntryID=203) in Virtual Box so that I can test the SSL/HTTPS security of all the sites I have browsed. What I did is, ...
2
votes
3answers
1k views

SSL Root CA certificate is not recognized, although present in the trust store. Why?

Background: Ubuntu Server 14.10 64-bit on aws.amazon.com/ec2 Cheap PositiveSSL server certificate from COMODO 1 server certificate, 2 intermediate CA certificates and 1 Root CA certificate as ZIP ...
1
vote
1answer
811 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
1answer
118 views

Problem in creating multi level certificate chain using OpenSSL

I am creating three level of certificates,viz, Root->A->B . A is signed by root and B is signed by A . The certificates are generated using OpenSSL command line utility for windows. The certificates ...
0
votes
1answer
84 views

Can't seem to export a p12 file

I've been over this more than 10 times now, but I still can't seem to get the .p12 file I need to publish my app. On the developer platform from Apple, I already have a development certificate. I'd ...
0
votes
3answers
11k views

Mozilla Firefox won't connect to Google, IE can

I have went on to Google search before, however today, Mozilla Firefox won't let me connect to Google's search page. This is what I get. You have asked Firefox to connect securely to www.google.com,...
0
votes
1answer
435 views

Thunderbird Certificate Alert keep popping up

I'm having the issue in the title since months now and is driving me crazy. I keep getting this warning: which translates to Add Security Exception You are going to modify the way ...
0
votes
0answers
418 views

Can AVG 2015's Online Shield be used Chrome (and not give NET::ERR_CERT_DATE_INVALID)?

I am using AVG 2015. If I enable Online Shield, websites that use some of Google's API's (including StackExchange sites) become unavailable and start displaying a NET::ERR_CERT_DATE_INVALID error ...