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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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
24k 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
9k 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
2k 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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849 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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4answers
32k 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
471 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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165 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
3k 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
184 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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115 views

Alternative tool to dial VPN connection in WinXP

My home Internet provider uses L2TP. So does my office network. And I want to connect from home to office. But after connecting to internet I cannot connect to my office network in Windows XP. I ...
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1answer
360 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
427 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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4answers
28k 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
1k 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
2k 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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726 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
420 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

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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0answers
106 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 ...
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3answers
3k 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
624 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
452 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
2k 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 ...
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1answer
161 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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186 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 ...
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1answer
729 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 ...
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2answers
3k 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
436 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 ...
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2answers
4k 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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2answers
1k 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
116 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
155 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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1answer
493 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 ...
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1answer
4k views

“A system-level error occurred while verifying trust” windows update

I get this message when trying to update windows. After some research and reading some posts (there aren't that many knocking about) i found out that the problem could possibly be my ...
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3answers
582 views

Using a certificate in Thunderbird

I have my certifcate issued by "TC Trustcenter" in a CER file. Thunderbird 3.0 needs it as a PFX files. So I installed the CER certificate with the Internet options in the Control Panel. Thereafter I ...
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4answers
5k views

How can I tell what version of Windows came on a laptop?

I have a HP G61 Laptop model number g61-511wm that has two stickers on top: AMD & Windows 7 I don't have the restore disk for this computer, however on the bottom there is a certificate of ...
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210 views

Can I install a localized certificate authority in Windows XP?

We are a division of a much larger organization and this organization uses Novell domain authentication. The entire division uses Windows XP. We'd like to implement digital signing of our Office ...
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1answer
4k views

WIndows integrated utility to convert DER to PEM

Is there a utility that is available in standard windows 7 installations, that allows me to convert DER-encoded certificates to PEM-encoded certificates or shows me the ASN.1 text of a DER-encoded ...
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1answer
271 views

Windows certificate valid even after expired

I have a signed executable. The certificate for that signature says it is usable until 2007, still Windows (7 Professional) says it is valid if I'm opening it via properties dialog. How is that ...
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3answers
5k views

Reset messed up certificate data in Firefox and Thunderbird?

I am running Firefox 7.0.1 and Thunderbird 7.0.1 on Mac OS X 10.6.8. I was exploring/nosing around their Preferences, and deleted many Authorities in the Certificate Manager. Afterwards I started to ...
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1answer
90 views

Can I trust a site that includes “resources that are not secure”?

A friend wants to buy something from a website called stuffedsafari.com, however when she visits it, the https is stroke through, even though the certificate belongs to the site. Would that still ...
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0answers
184 views

Creating Certificate and KeyValue

I'm quite new to the whole certificate-thing so I hope you can help me out. I need to create a self-signed X509Certificate2 certificate and a get the dependent KeyValue for my project. What is the ...
4
votes
1answer
1k views

Signing PDFs in linux

I'm trying to digitally sign PDFs server-side. So far I found that I can do this using MyPDFSigner, but it's far from my needs. Also I don't believe that this is the only option here. How to sign ...
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2answers
16k views

Windows 7 Certificate Manager Snap-In without access to MMC

In support of a remote end user, I need to walk them through adding a trusted root certificate to their computer's "Computer Account". This is no big deal, except this user is running Windows 7 Home ...
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2answers
5k views

Firefox “invalid certificate” error for a trusted website (sec_error_reused_issuer_and_serial)

I am connecting to a website (via Firefox 6.0.2 on Mac OS X 10.6.8) I know is legitimate, and the connection worked up till yesterday. However, when I connected to day I got the following error: ...
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1answer
133 views

Viewing hd location of installed certificates in firefox

I recently installed a digital id/certificate from verisign and was wondering if there is a way to view the certificate location on my computer. I installed it according to their instructions through ...
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1answer
31k views

How do I disable the “Security Certificate Error” message in Internet Explorer?

How do I get rid of this annoying message? To help protect your security, Internet Explorer has blocked this website from displaying content with security certificate errors. Click here for ...
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1answer
175 views

Retrieve Personal Certificate from Windows XP

A user's smime certificate was not backed up, and now resides only in the personal keystore of his computer, and I do not have the password to his account. Is there a way to open his certificate ...
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4answers
2k views

Certificate not trusted over Win7 to Win7 Remote Desktop connection

I'm experiencing a certificate issue while connecting two Windows 7 machines together via Remote Desktop. I have installed the certificate, but I'm getting a message that says the cert is not trusted. ...