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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Windows 7 root certificate updates

I work for a company that uses Windows 7 for end user computing. The Windows 7 computers are updated via a WSUS installation, and access to Microsoft Update is blocked. We have a problem with a ...
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1answer
2k views

Windows 8 EFS: How to tell windows to use “this” certificate for EFS encryption?

On Windows 8, I turned on EFS and encrypted some files/folders. During this process, it created a self signed certificate and used that one for encryption. However, I have a specific certificate that ...
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1answer
147 views

Checking security certificates in a browser

I have been given a laptop with pre-installed software and I am connecting to the internet on it via company wifi. When I am accessing a secure website using https, I want to ensure that the LAN ...
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1answer
248 views

How do you change an expired certificate?

While I've been using mac for sometime. Often when I'm doing software updates on various machines I need to install new software. Most updates have certificates which are sometimes out of date. I ...
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3answers
2k views

Certificates signed by multiple CAs

Is it possible to have a OpenSSL Certificate signed by multiple CAs? Background: We have a CA to issue certificates mainly for our machine-to-machine communications. Now we need to make some services ...
2
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1answer
792 views

Outlook certificate error and separate send/receive error

I run a laptop with Vista 32bit and MS Office 2010. Outlook has two profiles, both configured as POP3/SMTP and neither go through an exchange server. Recently, one of the mail servers (hosted with ...
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577 views

Internet Explorer 9 - website certificate expired

My Internet Explorer 9, for every page, shows this messege to me: There is a problem with this website"s security certificate. The security certificate presented by website has expired or is ...
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1answer
810 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 ...
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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 ...
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1answer
529 views

Resolving the dreaded “an attempt was made to access a token that does not exist” in Win7 64-bit?

I attempted to access "Control Panel -> System and Security -> Administrative Tools -> Local Security Policy" today and received the error: "an attempt was made to access a token that does not exist"...
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1answer
981 views

Digitally Signing Software - self signing cerificate

I'd like to experiment with signing a software executable. I am afraid that there is something that escapes me. I will get to the point where I will acquire a certificate from a CA, but before then I ...
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2answers
324 views

CertPatrol warns: “this certificate wasn't due yet”

Cert-patrol warns me on numerous websites, including gmail, that the certificate being used wasn't due yet. Is this something I need to worry about? Why does this occur? Here is a screen-shot (you ...
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3answers
426 views

import Certificate in WIndow Xp

I have created a temporary certificate. I am trying to import this certificate.I am importing Certificate to Personnel store of Local Computer and then using FindPrivateKey solution to find privatekey ...
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2answers
22k views

Bypassing windows update error 0x80096002

I am getting this error when I try to install some .msu files (WMF 3 if it matters). Now, the error is saying that the certificate is invalid. However, I looked at the certificate (if anyone is ...
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1answer
259 views

How do I get tor exit node information of a certain connection I made

At some point today my email client warned about an smtp certificate change of self signed certs. I took a screenshot of the certificate fingerprints and refused the connection because it does not ...
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1answer
312 views

Creating Certification Authority for Microsoft Office and Adobe Acrobat

Can you please give me a hint on how to create CA to Digitally Sign MS Office documents (2007 or 2010) as well as Adobe Acrobat files. I know that MS Office supports this. All you have to do is to ...
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1answer
1k views

SSL certificate issue on Firefox, Ubuntu on a Windows network behind a proxy

My Problem: SSL enabled sites (HTTPS) do not render properly on my Firefox browser. The network team at office says that the issue is because the proxy server isn't able to identify my system ...
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3answers
48k views

The certificate is not trusted because no issuer chain was provided

Could anyone explain the meaning of this error message in plain English? Should I add an exception or I should not continue on this website? Technical details: the URL is here, the browser is ...
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2answers
20k views

Exporting a certificate in PKCS12 format from firefox

I have imported a certificate into firefox, and I want to export it into PKCS12 format. The only options that I find are PKCS7 , PEM and DIR. and not PKCS12. I doubt that the certificate has no ...
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1answer
4k views

Certificate errors don't offer the option to “continue to website (not recommended)”

I'm using IE9 and trying to access a trusted page with an security certificate not from a trusted authority. I know I can permanently add the certificate once I access the page. The trouble is, ...
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1answer
1k views

Using Windows 7, is there any way to create a self-signed public/private key pair for email?

Is there any way for me to create my own certificate pair? I don't see why I would need a trusted CA for email purposes. I'd rather a cert than using GPG or something of the like.
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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 ...
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1answer
881 views

Constantly having to restart Windows 7 to time-stamp installer… Why?

I am using a Windows 7 (64-bit) machine as a build server and have encountered a strange problem. One of my build steps is to apply a code signing certificate using a command like this: signtool ...
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0answers
197 views

How to delete or untrust all root certificates in OSX?

I right clicked on all the root certificates, but it doesn't allow me to delete them, or to untrust them all at once. How can this be done? Is it safe to do this?
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1answer
5k views

How to import a Mumble certificate from iTunes to iPhone using the iTunes file transfer?

I am using the Mumble app on my iPhone 4 and I want to transfer my Mumble certificate from the Mumble on my computer to Mumble on my phone through iTunes. How do I import a Mumble certificate from ...
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2answers
230 views

Why does Thunderbird connect on port 80 when checking for certificates?

To monitor my network traffic in OSX, I'm using the firewall HandsOff! by Metakine. I've noticed that Thunderbird connects only on port 80 (http) when checking for updated certificates. Is this ...
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1answer
487 views

No Safari Developer Certificate, Windows 7

I've added safari developer certificate to 'Personal' and 'Trusted Root Certification Authority' but extension builder still shows: No Safari Developer Certificate I'm using windows 7. Any ...
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3answers
702 views

How to connect to a NON-HTTP (“custom protocol”) server via HTTPS

I need to install a piece of client software which connects to a custom server (not a http server) on a specific port. But my IT dept are implementing HTTPS and say I must connect via HTTPS. How ...
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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 ...
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1answer
2k views

Unable to connect to OpenVPN server

I'm trying to get a working setup of OpenVPN on my VM and authenticate into it from a client. I'm not sure but it looks to me like it's socket related, as it's not set to LISTEN, and localhost seems ...
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1answer
3k views

ssh using certificates — can you rename id_rsa file?

When using certificate authentication with ssh, the instructions I have found indicate you should create a key-pair as id_rsa.pub && id_rsa. The public key is then sent to the remote system ...
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0answers
834 views

Revocation information not available for certificate?

I'm trying to download SQL Server 2008 R2 Enterprise Edition from MSDNAA on my Windows 7 laptop. When I attempted to start the download, I was shown the following prompt: Revocation Information ...
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1answer
1k views

Checking suspicious (root CA) certificates

I was just looking at my certificate store and saw a bunch of root CAs that look kind of suspicious; specifically numerous ones that: have ALL CAPS text use foreign languages/text have extremely ...
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1answer
1k views

difference between MDM certificate and APNS certificate

I am new to mobile device management(MDM).I want to configure my own MDM Server to support iOS devices for mobile device management. I know that for this apple developer Enterprise account is ...
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1answer
1k views

How to revoke the applet permissions in Firefox?

I have downloaded applet in Firefox, it was correct signed so I approved it. Now I want to revoke this approval. How can I do it?
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112 views

https sites have stopped working on all browsers [duplicate]

Possible Duplicate: Continually getting Certificate Errors on all browsers I cannot open any https site on my Windows 7 computer without getting security errors (using any browser) My date and ...
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votes
3answers
6k views

Creating a signing certificate for Outlook 2010 under Windows 7

I'm trying to create a S/MIME signing certificate for Outlook 2010 under Windows 7. I've gone into Options -> Trust Center (see below) to try and set it up but when I attempt to select the signing ...
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1answer
1k views

Generate untrusted server p12 certificate with one click

To test some stuff I need to create a bunch of untrusted p12 certificates to be used by untrusted web-server. I read openssl documentation and tried to follow the instructions but the process is very ...
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1answer
683 views

Certificate disappearing from Trusted Root Certification store

I am using a self-signed certificate for testing SSL locally on my development environment - I insert the certificate into my trusted certification store and everything is fine, but a few hours later ...
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3answers
3k views

Mutt will not let me save an SSL certificate

I have just set up Mutt to connect to my firm's IMAP and SMTP server. Everything works; but when I launch mutt, I get a warning about the certificate, and am given the option to: (r)eject, accept (o)...
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1answer
170 views

how to install certificate

Hi I was asked by a colleague to set-up a certificate to one of my colleagues laptop. I was sent a link and a username & pwd to login to a ejbca site & told that I should only use IE. My ...
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201 views

Getting an IE error after accepting a site's certificate

There is a partner site, that I connect to through HTTPS and with a custom port. I am using Internet Explorer. When I go to that URL, I get a prompt from Internet Explorer, saying "There is a problem ...
6
votes
1answer
1k views

How to create private security certificates that behave like official ones?

I'm trying to get a valid secured environment for HTTP communication to behave like normal ones. I'm doing this for a restricted group of users. There is a hardware server running a web service (nginx)...
0
votes
2answers
5k views

How to export User cert with private key in PKCS12 format

I'm running Win2008R2, and have installed an Enterprise CA. I can create user certs, but no matter what I do, I cannot export the private key. I'm using the un-touched User certificate template, and ...
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0answers
502 views

Preventing Internet Explorer from “remembering” an old SSL certificate

A website I'm using has switched recently from a GoDaddy SSL certifcate to a StartCom certificate, which works fine in most cases. The original GoDaddy certificate expired last year. However, in ...
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 ...
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votes
3answers
2k views

IE9 stops at “looking for credential tiles…” dialog when using smartcard

When I try to access secure page using smartcard I get "looking for credential tiles..." dialog and IE stays there for ever. Only option is then to rebot PC. After reboot I can always access the ...
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1answer
127 views

E-mail certificate issue

I guess I'm just a compete idiot and can't overcome simple problems, shame shame shame. However, I am trying to put a simple scenario together: box A (Windows 7) and box B (Windows 8 inside a virtual ...
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1answer
399 views

Do I have to digitaly sign my Excel Add-In?

I've an Add-In which will be deployed on all PCs in a company. We are going to put it into the c:\Users\Ernst\AppData\Roaming\Microsoft\Excel\XLSTART folder. I tested this localy on my machine and ...
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628 views

Webbrowser makes complete halt whenever faulty certificate is found

Recently I happened upon something very irritating: After a short minute of google, I found an answer: Apparently there was a problem with the certificate of the server. Now, I may not know ...