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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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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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
646 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
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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
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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199 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
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 ...
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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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497 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
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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2answers
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
354 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
622 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
5k 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
776 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
7k 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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219 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
6k 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
342 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
8k 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
95 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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231 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 ...
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1answer
2k 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
26k 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
8k 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
148 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
34k 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
182 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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5answers
4k 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. ...
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1answer
4k views

Why do I get a certificate error trying to setup a Ubuntu Cloud?

I'm trying to install an Ubuntu cloud on my home network - I've been following this guide. When I arrived at STEP 6: Install an image from the store PART 3: Click on the Store tab I get the following ...
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1answer
562 views

Corrupted (SSL) keystore / spotting bogus SSL certificates

Disclaimer: I am new to SSL, find it a little confusing, and need an answer somewhat quickly. I was told that there was a danger that my "keystore" might be corrupted, so I am trying to examine it ...
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1answer
3k views

Error installing certificates with private keys

I got a PFX file with a private key (it was imported from another Windows installation and the button "Export Private Keys" was pressed). I installed it, and got the message that the import was ...
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1answer
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IE9: Permanently accept untrusted certificate

When accessing a website via HTTPS which has an untrusted certificate, Internet Explorer 9 always shows me the following error message: Is there a way to import the certificate permanently, so that ...
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1answer
3k views

Using Opera, how do I override a bad SSL certificate?

We have an intranet website at work that has a bad SSL certificate. (I think the problem is the cert server name does not match the host.) Before you tell me "get a correct SSL cert", I will tell ...
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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. ...
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2answers
870 views

Use Generic OEM Disc to install Windows XP on Name Brand Computer

I have an old HP desktop that needs to have Windows XP reinstalled. It has Windows XP Pro on it and I have a generic Windows XP Pro OEM disc that is missing a key. Is it possible to use a generic ...
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1answer
110 views

Is it possible to show all certificates of a node (windows 7)

Is it possible to show also local Computer Certificates as non-Administrator? Over mmc.exe it's not possible...
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3answers
13k views

Certificate issue on remote desktop

see the below link: Certificate issue on remote desktop I have 2 PCs with Windows 7 Ultimate. Both are in NETHOME, and are connected with a crossover cable. PC 1: computer name = alfa -> (main PC) , ...
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1answer
474 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, ...
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2answers
28k views

Remote Desktop Connection - How to get the certificate prompt back?

I just tried remoting to my work PC from home and got the "identity cannot be verified" prompt like the one below. I marked the "Don't ask me again for connections to this computer" box, and then ...
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1answer
555 views

Keychain access very slow after certificate problems

I have a MacBookPro. one day updates started refusing to install because it said the certificate is missing or invalid and someone is doing a man in the middle on me. Same thing went for the Mac App ...
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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: ...
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1answer
1k views

how to recover from Internet Explorer certificate errors in Windows XP SP3

my Internet Explorer works properly on some sites and on others it does not work,I would like to know what does it mean when the Internet Explorer displays certificate errors and how can I recover ...
5
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4answers
24k views

Import Java Trusted Certificate to JRE

I need to install a certificate from a Java app to a lot of people. I want to use a one click program or batch file to import it as a Trusted Certificate(in Control Panel->Security->Certificate). Then ...
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2answers
3k views

There is a problem with this website's security certificate

My job has an Outlook Exchange Server so we can access our work email from the web. However, every time I attempt to log in, I get this message: "There is a problem with this website's security ...
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1answer
539 views

Chrome CA cert Security Error

A few days ago Chrome stopped accepting my CA certificates. Now it just says: Invalid Server Certificate You attempted to reach my-domain, but the server presented an invalid certificate. ...
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1answer
10k views

Tortoise SVN Error Validating Server Certificate

I just updated the certificate on one of my sites due to the old one expiring. The new certificate verifies fine in Internet Explorer 9, Chrome, and Firefox 4 - but when trying to browse/check out the ...
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1answer
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StartSSL Free Certificate and Plesk, https connection still unsecure

I'd just installed my certs correctly into my Plesk 8.3.0, I encountered some trouble with the "CA didn't sign the certificate" warning message but I solved it. Right now it seems to me that I ...
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1answer
827 views

Stunnel - how to generate pem file simply on Windows [closed]

Somebody suggest me stunnel. We want to use for encrypt requests. This is seems to be easier than OpenVPN. The problem that I don't have SSH or other tool in the Windows server, and I don't have ...