How to Generate a Self-Signed Certificate and Private Key using OpenSSL. Follow this article if you need to generate a private key and a self-signed certificate, such as to secure GSX Gizmo access using HTTPS. You will find the certificate.crt and privateKey.key files created under the OpenSSLbin directory.
When we have multiple servers and we need to use the same SSL certificate, such as in a load-balancer environment or using a wildcard SSL certificates, you will need to transfer the certificates between the servers. Normally, server to server SSL transfer will be easy if it's between servers of the same kind like Linux servers or Windows Servers.
Openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile more.crt This will create a certificate.pfx file from your private key, as well as the.crt you downloaded. You'll just need to make sure that you update the names in the sample code above to match your certificate/private key information. I have two files with me. One is domain.pfx and another one is domain.cer.To convert my website from http to https through cPanel, I need Certificate (CRT), Private Key (KEY), Certificate Authority Bundle: (CABUNDLE). Sep 03, 2018 The Code Dx installer can accept CRT, CER and KEY files for SSL configuration. You can generate these from the PFX file with the OpenSSL binary. Execute the following command to decrypt the private key: $ openssl rsa -in domain.key -out domain-rsa.key.
But the process becomes a bit harder when it comes to a Windows to a Linux server. In this case, we need to export the SSL certificates from the Windows server and store to .pfx file. After that, we need to copy this .pfx (PKCS#12/)file to the Linux server and convert that file to an Apache-compatible file format like individual certificate, CA bundle and private key files and use it.
This may also be necessary when you switch hosting companies. I will explain the exact process with step-by-step instructions in this article on how you can successfully use a .pfx certificate from the Windows server on a Linux server running Apache.
Before, starting with our conversion process, let me give you a quick description about the difference between the .pfx and .crt file. Basically, a certificate (.crt file) is a container for the public key. It includes the public key, the server name, some extra information about the server, and a signature computed by a certification authority (CA). While SSL handshaking, the server sends its public key to a client, which actually contains its certificate, with a few other chains of certificates.
In other hands, a .pfx file is a PKCS#12 archive resembling a bag which can contain a lot of objects with optional password protection. Normally, a PKCS#12 archive contains a certificate (possibly with its assorted set of CA certificates) and its corresponding private key.
Let's begin with our conversion process now.
First of all, I've exported my certificate to a .pfx certificate from the Windows server for my domain puebe.com. And I've copied that pfx file to my Linux server using SCP from my local system to the folder '/transfered_certificates/'. You can use FTP, SCP, wget or use any of these methods to transfer the pfx certificate to your Linux server.
# transfered_certificates]# ll
-rw-r--r-- 1 root root 5409 Oct 9 10:02 c667cafbf01ffd7310db952e50eaf2b2.pfx
Our next step is to extract our required certificate, key and CA bundle from this .pfx certificate for the domain puebe.com. We can use OpenSSL command to extract these details from the pfx file. Let's see the commands to extract the required information from this pfx certificate.
We can use this command to extract the certificate details for the domain puebe.com from the pfx file.
This will provide us with our domain certificate file namely puebe.com.crt
with a compatible format which supports in Linux.
We can use this command to extract the key details for the domain puebe.com from the pfx file.
This will provide us with our domain key file namely puebe.com.key
We can use this command to extract the chain of certificate details from the pfx file.
This will provide us with our chain of certificates for our domain puebe.com in the file puebe.com-ca.crt
.
I copied these extracted files to my cert folder under '/etc/pki/tls/certs/'. You can do this if required, but if not then you can directly specify the folder path in the Apache configuration to which you have extracted these files.
After you have converted the .pfx file, you will need to copy the newly created files to the Apache server and edit your Apache configuration file to use them. I've created a Virtual host for my domain under the /etc/httpd/conf.d/ folder to enable SSL and included these extracted files as required. Please see my Virtual host details below:
You can modify the names of the files and paths to match your certificate files:SSLCertificateFile
should be your primary certificate file for your domain name.SSLCertificateKeyFile
should be the key file extracted.SSLCertificateChainFile
should be the intermediate certificate chain file.
Just make sure to run a configuration test and restart the Apache service once you're done with this.
Now you can confirm your domain SSL certificate using any of the SSL checker tools available. Or you can just browse the URL >>https://puebe.com/
. I've verified my SSL installation in the link >>https://www.sslshopper.com/ssl-checker.html#hostname=puebe.com
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This is how we can easily transfer certificates from a Windows server to a Linux Distro. I hope this article is informative and useful for you. Please post your valuable comments and suggestions on this.
I need .pfx file to install https on website on IIS.
I have two separate files: certificate (.cer or pem) and private key (.crt) but IIS accepts only .pfx files.
I obviously installed certificate and it is available in certificate manager (mmc) but when I select Certificate Export Wizard I cannot select PFX format (it’s greyed out)
Are there any tools to do that or C# examples of doing that programtically?
You will need to use openssl.
openssl pkcs12 -export -out domain.name.pfx -inkey domain.name.key -in domain.name.crt
The key file is just a text file with your private key in it.
You can install openssl from here: openssl
The Microsoft Pvk2Pfx command line utility seems to have the functionality you need:
Pvk2Pfx (Pvk2Pfx.exe) is a command-line tool copies public key and private key information contained in .spc, .cer, and .pvk files to a Personal Information Exchange (.pfx) file.
http://msdn.microsoft.com/en-us/library/windows/hardware/ff550672(v=vs.85).aspx
Note: if you need/want/prefer a C# solution, then you may want to consider using the http://www.bouncycastle.org/ api.
If you’re looking for a Windows GUI, check out DigiCert. I just used this and it was fairly simple.
Under the SSL tab, I first Imported the Certificate. Then once I selected the Certificate I was able to export as a PFX, both with and without a keyfile.
You do NOT need openssl or makecert or any of that. You also don’t need the personal key given to you by your CA. I can almost guarantee that the problem is that you expect to be able to use the key and cer files provided by your CA but they aren’t based on “the IIS way”. I’m so tired of seeing bad and difficult info out here that I decided to blog the subject and the solution. When you realize what’s going on and see how easy it is, you will want to hug me 🙂
SSL Certs for IIS with PFX once and for all – SSL and IIS Explained – http://rainabba.blogspot.com/2014/03/ssl-certs-for-iis-with-pfx-once-and-for.html
Use IIS “Server Certificates” UI to “Generate Certificate Request” (the details of this request are out of the scope of this article but those details are critical). This will give you a CSR prepped for IIS. You then give that CSR to your CA and ask for a certificate. Then you take the CER/CRT file they give you, go back to IIS, “Complete Certificate Request” in the same place you generated the request. It may ask for a .CER and you might have a .CRT. They are the same thing. Just change the extension or use the . extension drop-down to select your .CRT. Now provide a proper “friendly name” (*.yourdomain.com, yourdomain.com, foo.yourdomain.com, etc.) THIS IS IMPORTANT! This MUST match what you setup the CSR for and what your CA provided you. If you asked for a wildcard, your CA must have approved and generated a wildcard and you must use the same. If your CSR was generated for foo.yourdomain.com, you MUST provide the same at this step.
I got a link with your requirement.Combine CRT and KEY Files into a PFX with OpenSSL
Extracts from the above link:
First we need to extract the root CA certificate from the existing
.crt file, because we need this later. So open up the .crt and click
on the Certification Path tab.
Click the topmost certificate (In this case VeriSign) and hit View
Certificate. Select the Details tab and hit Copy to File…
Select Base-64 encoded X.509 (.CER) certificate Save it as rootca.cer
or something similar. Place it in the same folder as the other files.
Rename it from rootca.cer to rootca.crt Now we should have 3 files in
our folder from which we can create a PFX file.
Here is where we need OpenSSL. We can either download and install it
on Windows, or simply open terminal on OSX.
EDIT:
There is a support link with step by step information on how to do install the certificate.
After successfully install, export the certificate, choose .pfx
format, include private key.
Important Note: : To export the certificate in .pfx format you need to follow the steps on the same machine from which you have requested the certificate.
The imported file can be uploaded to server.
You need to use the makecert tool.
Open a command prompt as admin and type the following:
Where <CertifcateName>
= the name of your cert to create.
Then you can open the Certificate Manager snap-in for the management console by typing certmgr.msc in the Start menu, click personal > certificates > and your cert should be available.
Here is an article.
This is BY FAR the easiest way to convert *.cer to *.pfx files:
Just download the portable certificate converter from DigiCert:
https://www.digicert.com/util/pfx-certificate-management-utility-import-export-instructions.htm
Execute it, select a file and get your *.pfx!!
When you say the certificate is available in MMC, is it available under “Current User” or “Local Computer”? I’ve found that I can only export the private key if it is under Local Computer.
You can add the snap in for Certificates to MMC and choose which account it should manage certificates for. Choose Local Computer. If your certificate is not there, import it by right clicking the store and choosing All Tasks > Import.
Now navigate to your imported certificate under the Local Computer version of the certificate snap in. Right click the certificate and choose All Tasks > Export. The second page of the export wizard should ask if you want to export the private key. Select Yes. The PFX option will now be the only one available (it is grayed out if you select no and the option to export the private key isn’t available under the Current User account).
You’ll be asked to set a password for the PFX file and then to set the certificate name.
(( relevant quotes from the article are below ))
Next, you have to create the .pfx file that you will use to sign your deployments. Open a Command Prompt window, and type the following command:
where:
(Optionally (and not for the OP, but for future readers), you can create the .cer and .pvk file from scratch) (you would do this BEFORE the above). note the mm/dd/yyyy are placeholders for start and end dates. see msdn article for full documentation.
I created .pfx file from .key and .pem files.
Like this openssl pkcs12 -inkey rootCA.key -in rootCA.pem -export -out rootCA.pfx
I was having the same issue. My problem was that the computer that generated the initial certificate request had crashed before the extended ssl validation process was completed. I needed to generate a new private key and then import the updated certificate from the certificate provider. If the private key doesn’t exist on your computer then you can’t export the certificate as pfx. They option is greyed out.
I know a few users have talked about installing this and that and adding command lines programmes and downloading…
Personally I am lazy and find all these methods cumbersome and slow, plus I don’t want to download anything and find the correct cmd lines if I don’t have to.
Best way for me on my personal IIS server is to use RapidSSLOnline. This is a tool that’s on a server allows you to upload your certificate and private key and is able to generate a pfx file for you that you can directly import into IIS.
The link is here:
https://www.rapidsslonline.com/ssl-tools/ssl-converter.php
Below is the steps used for the scenario requested.
And that’s it you should have a PFX downloaded and use this in your Import process on IIS.
Hope this helps other like minded, lazy tech people.
In most of the cases, if you are unable to export the certificate as a PFX (including the private key) is because MMC/IIS cannot find/don’t have access to the private key (used to generate the CSR). These are the steps I followed to fix this issue:
Hope this helps!
Although it is probably easiest to generate a new CSR using IIS (like @rainabba said), assuming you have the intermediate certificates there are some online converters out there – for instance:
https://www.sslshopper.com/ssl-converter.html
This will allow you to create a PFX from your certificate and private key without having to install another program.
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