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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How can I export private key from a certificate chain?

I create a keystore and from that keysore I generate a CSR file and when I receive Signed Certificate from CA, I imported root and intermediate certificates to my keystore and finally my signed ...
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10 views

Cant install certificate to Intermediate Certification Authorities?

I navigate to MCC and add the Certificates snap-in. From here I right click on Intermediate Certification Authorities > All Tasks and click import I then browse to my Certifcate select it and complete ...
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1answer
31 views

Is it possible to get someone's code signing certificate revoked?

I recently had to clean up someone's computer because they were tricked into installing a bunch of things without their knowledge. The horrible thing about it was that the installer was signed with a ...
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2answers
43 views

Generate a public key certificate signed by CA with OpenSSL

I am working on a webservice that requires a signature in the sent and received messages. After sending a certificate request to the entity that will consume the webservice, they sent me (in addition ...
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2answers
38 views

How to build a certifcate chain for ServerHello

I've been trying to put together a certificate chain. I have the private key (privatekey.pem) and CSR (csr.pem) that I submitted to the Certificate Authority/CA. I took the CA's certificate and put ...
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1answer
5k views

Identifying program attempting to install certificate on windows

I'm trying to help a friend using Windows (which I'm not an expert on by any means) who's experiencing malware-like behavior: a dialog box is repeatedly popping up reading: You are about to ...
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7answers
219k 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 ...
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1answer
20 views

Is it possible to merge my certificate (.crt) with my private key to export as a Base-64 encoded X.509 (.CER)

I am very clueless when it comes to certificates/security and the like so please excuse my ignorance. I purchased a certificate and it was sent to me. I generated the CSR using the java keytool. I ...
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1answer
215 views

I keep getting a “secure connection with this site cannot be verified” prompt even after I click no

Everyone once in a while, seems like every time I wake my computer from sleep, I get the following prompt: I have said no several times already, but it keeps coming back. When I click view ...
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16 views

Windows 7 IPsec IKEv2 EAP-TLS error

I have set-up Strongswan on a Ubuntu 14.04 server from the official package repo with IKEv2 and rightauth=eap-tls using our PKI infrastructure. I can connect just fine from Android and Linux but not ...
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1answer
62 views

How to install a certificate automatically

I would like to know how to generate a certificate and make it to be imported automatically to all main browser (chrome, firefox, ie etc...). Should I upload this certificate to a public CA or ...
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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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3answers
4k views

SSL certificate verification failure in Chrome, Heartbleed bug?

For some reasons I'm running into SSL problems since a few days. When trying to clone a git repository for example I receive the following error message: fatal: unable to access ...
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0answers
16 views

OpenSSL, Converting CRT to PEM

I've been trying to use openssl to convert a .crt certificate to a .pem openssl.exe x509 -in server.crt -out openssl.pem -inform der -outform pem After using that command, I get unable to load ...
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3answers
27k 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 ...
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1answer
156 views

Why 'This Connection is Untrusted' for practically every site on Mozilla Firefox?

This started a couple of months ago and pops up for just about every site, including Google, Macy's, DSW, Outlook.com, etc. These are all regularly visited sites so there should be no problem. There ...
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2answers
6k views

how to get and use certificates with curl

1) Entering the following command curl -k email@mail.com:password https://www.site.com Returns the following error <HTML><HEAD><meta http-equiv="content-type" ...
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0answers
51 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 ...
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1answer
35 views

Outlook shows certificate security warning in local LAN although certificate is only associated to IIS

I have the following configuration with Exchange Server 2010: I have a self-signed certificate which is associated with all the services (POP, SMTP etc..) except IIS (which is associated with a ...
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0answers
37 views

Outlook 2013: Multiple accounts, sign only mails from one account

I have two email accounts (Exchange) configured in Outlook. For one I have a S/MIME certificate configured which always signs the mails I send from this account. Problem now is that Outlook also ...
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0answers
16 views

Linux Mint won't allow me to import a .p12 signing certificate

I have a .p12 certificate that was issued to me by my university. I have been able to install it on OSX just fine, but I need to use it for Cisco Anyconnect in Linux Mint 17. When I double click it, ...
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2answers
161 views

Why Firefox alert me about HTTPs “Untrusted” Connection on Positivessl - Comodo certificate?

For my new startUp I got a SSL certificate from Comodo.com. I did all the painful process and finally I was able to implement it on my AWS server (I'm running MEAN Stack). Now when someone visit my ...
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0answers
20 views

(Chrome on) Windows 8 complains certificate not yet valid

Chrome on Windows 8 complains that a server certificate is not yet valid. Chrome on Linux does not complain though, and Firefox on the same Windows 8 machine does not complain either. The certificate ...
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1answer
2k views

How to import a certificate (pfx) with a private key in Windows XP

I tried the whole day just to import a certificate in Windows XP, but I always failed. I did following: Create the certificate with a private key (no password): makecert -sr LocalMachine -ss My -pe ...
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0answers
94 views

How to install SSL certificate in the Trusted Root Certification Authorities Store?

Apologies in advance, I do not have an IT background and have never done this before, yet I am being asked to figure this out and to do so as soon as possible. Our organization is trying to update ...
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0answers
26 views

Windows 8 can not connect RemoteApp on W2K12 RDS, but Windows 7 can connect. Why?

Windows 8 can not connect RemoteApp (W2K12 RDS), but Windows 7 can connect. Why? External and internal DNS name is different, the public Cert is mapped to RD Web Access and a RD GateWay Role. The ...
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1answer
47 views

Imported cert into firefox/chrome, still warning

I generated a wildcard certificate for multiple (wildcard) domains (SANS, alternate domain names + IP) (see https://blog.flowl.info). I imported the certificate into Firefox, Chrome and Windows ...
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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. ...
2
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1answer
71 views

Fedora 8: rubygems.org certificate validation failure. How to install GeoTrust CA?

Trying to get a gem: $gem install puppet ERROR: Could not find a valid gem 'puppet' (>= 0), here is why: Unable to download data from https://rubygems.org/ - SSL_connect returned=1 ...
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0answers
17 views

Location of Outlook certificate warning setting

My hosting provider misconfigured their email server using a self-signed certificate that had CA=TRUE set. Only way I was able to retrieve business emails for a few days was to tell Outlook to accept ...
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2answers
1k views

Firefox cannot recognize certificates for well knows sites

When trying to connect to well known sites, for instance hotmail.com Firefox shows that This Connection in Untrusted. In the Options>Advanced>Certificates it's configured to select one matching ...
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1answer
15 views

MMC - Certificates Snap-In

When I go on a particular server (Win2k8 R2) and add the Certificate snap-in I get prompted to select which account (my user, service or computer) will manage the snap-in. I have used this snap-in ...
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0answers
32 views

How can I verify on download that a site's SSL cert is for a host I trust?

Generally I want to be able to make an HTTPS connection to a site, and while negotiating the SSL check that: The cert is in every way valid for the host listed on the cert (unexpired, signed by ...
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2answers
452 views

Save certificate to use with lftp

How can I save a certificate for use with lftp? The certificate in question is not accepted by lftp when downloaded from the server. I tried openssl s_client -connect {HOSTNAME}:21 -showcerts ...
0
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1answer
26 views

Not getting prompted for certificate in IE8

I am unable to connect to a local intranet server using IE8. This server issues an unsigned certificate. When using IE8, it returns "Internet Explorer cannot display the webpage" instead of "there ...
3
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1answer
15k views

Why do I get “Incorrect Password” when connecting to a Mumble server? I never even used a password!

I just reinstalled Mumble, and now when I try to login on my favourite server I get «Incorrect Password». Why is that?
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0answers
64 views

certificate store name set to null for ssl certificate

I'm viewing my SSL certificate by running the command netsh http show ssl in the command prompt. On the certificate that comes back, I can see that the Certificate Store Name is null instead of my ...
0
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1answer
48 views

What's the quickest way on a Windows machine to look at the detail of a p12 certificate?

Given P12 certificate file on Windows, what's the quickest way to see the details such as common name? Say i have a file mycertificate.p12, ideally I'm looking for a command line tool that I can run ...
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1answer
30 views

Microsoft Word Digital Signature Error: We can't read the signature please contact your help desk

I create and sign my document in Word 2013 but sometimes when I open the document and check the signature I get the error message: We can't read the signature. Please contact your help desk. In the ...
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0answers
33 views

Java keyTool - append primary/secondary intermediate certificates to key store

I have already created a keystore (server.jks in the image) having imported the relevant key-pair. keytool -importkeystore -srckeystore server.p12 -destkeystore server.jks -srcstoretype pkcs12 I ...
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0answers
18 views

How to manage and delete EFS certificate properly?

I've done my best to make this question as short and as precise as possible INTRODUCTION: After configuring EFS service trough group policy to encrypt my testing files I exported the ...
0
votes
1answer
23 views

How can I update a clean install of Acrobat Professional 8.0.0 to the latest version?

When I do a clean install of Acrobat Pro 8.0.0 on my system and attempt to check for updates from the help menu I get an error about "unable to check for updates for Adobe Updater". Adobe provides ...
2
votes
1answer
22 views

Windows - service account default certificate store

I am writing a web app that connects to external web services. The external web services serve an intermediate certificate signed by Thawte SGC CA - G2. When I setup IIS to run the web app using ...
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2answers
32 views

Searching for digital certificate on hard drive and reusing it

Years ago I had to use a digital certificate for access to some web based application at college. It was provided by the "laboratory" where we used it. Presently it so happened that I will need to use ...
10
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3answers
19k 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 ...
3
votes
3answers
5k views

Check expiry date of ssl certificate for multiple remote servers

I can find out the expiry date of ssl certificates using this OpenSSL command: openssl x509 -noout -in <filename> -enddate But if the certificates are scattered on different web servers, how ...
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0answers
29 views

Is there a way to quickly disable all root certificates in Windows 7?

I'd like to temporarily disable all trusted root certificates and wondering if there is a quicker way than going through every single one of them, right-click Properties and selecting "Disable all ...
3
votes
1answer
313 views

Certificate Patrol for Chrome?

Is there a chrome-version of the firefox add-on certificate patrol? Notifying me about a certificate change without actually loading the page would be optimal, but it sure would be useful even if the ...
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5answers
22k 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 ...
9
votes
2answers
496 views

how to use curl to verify if a site's certificate has been revoked?

To check if the certificate for google.com has been revoked, I tried the following command: curl https://www.google.com --cacert GeoTrust_Global_CA.pem --crlfile gtglobal.pem -v , but I got the ...