Generate Key File From Pfx

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Exporting Your SSL Certificate from a Microsoft Server for Importing to Another Microsoft Server

Background

This article will show you how to combine a private key with a.p7b certificate file to create a.pfx file on Windows Internet Information Server (IIS). These instructions presume that you have already used “Create Certificate Request” from within IIS to generate a private key and CSR on the server/laptop you are using. I'm trying to get a private RSA key from a pkcs #12 file. I've tried running the standard openssl pkcs12 -nocerts -out priv.pem -in domain.com.pfx However this results in a key file like the one. May 13, 2014 When given.crt and.key files, make a.pfx file 6 years ago May 13, 2014 2 min read Security is an important topic for anything hosted online, and SSL (Secure Sockets Layer) is key when you have information that needs to be transferred securely between a client browsers and a web server. 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.

Windows servers use .pfx files that contain the public key file (SSL certificate file) and the associated private key file. DigiCert provides your SSL certificate file (public key file). You use your server to generate the associated private key file as part of the CSR.

You need both the public and private keys for an SSL certificate to function. So, if you need to transfer your SSL certificates from one server to another, you need to export is as a .pfx file.

Export Prerequisite

To create a .pfx file, the SSL certificate and its corresponding private key must be on the same computer/workstation. You may need to import the certificate to the computer that has the associated private key stored on it. (e.g., the laptop/desktop computer where you created the CSR) before you can successfully export it as a .pfx file.

For help importing the certificate, see SSL Certificate Importing Instructions: DigiCert Certificate Utility.

How to Export Your SSL Certificate w/Private Key Using the DigiCert Certificate Utility

These instructions explain how to export an installed SSL certificate from a Microsoft server and its corresponding private key as a .pfx file for importing to another server. If you need your SSL Certificate in Apache .key format, please see Export a Windows SSL Certificate to an Apache Server (PEM Format).

On your Windows Server, download and save the DigiCert® Certificate Utility for Windows executable (DigiCertUtil.exe).
Run the DigiCert® Certificate Utility for Windows (double-click DigiCertUtil). Anno 1404 venice multiplayer key generator.
In the DigiCert Certificate Utility for Windows©, click SSL (gold lock), select the certificate that you want to export as a .pfx file, and then click Export Certificate.
In the Certificate Export wizard, select Yes, export the private key, select pfx file, and then check Include all certificates in the certification path if possible, and finally, click Next.
A .pfx file uses the same format as a .p12 or PKCS12 file.
Note: If the Yes, export the private key option is grayed out (not unusable), the certificate's matching private key is not on that computer. This prevents you from being able to create the .pfx certificate file. To fix this problem, you will need to import the certificate to the same machine where the certificate's CSR was created. See Export Prerequisite.
In the Password and Confirm Password boxes, enter and confirm your password, and then, click Next.
Note: This password is used when you import this SSL certificate onto other Windows type servers or other servers or devices that accept a .pfx file.
In the File name box, click … to browse for and select the location and file name where you want to save the .pfx file, provide a file name (i.e. mySSLCertificate), click Save, and then, click Finish.
After you receive the 'Your certificate and key have been successfully exported' message, click OK.

Import PFX Certificate into Microsoft Windows Server and Configure it

To import your certificate to your server using the DigiCert Certificate Utility, you need to follow the instructions for that particular server type:

IIS 10	Exchange 2013
IIS 8	Exchange 2010
IIS 7	Exchange 2007
IIS 6

Troubleshooting

After importing your certificate on to the new server, if you run into certificate errors, try repairing your certificate trust errors using DigiCert® Certificate Utility for Windows. If this does not fix the errors, contact support.

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