How to extract private key from pfx?

To extract a private key from a .pfx file, you can use the OpenSSL command-line tool. Here's how:

Steps to Extract Private Key Using OpenSSL

1. Open OpenSSL: Start OpenSSL. The reference indicates this is typically found in the OpenSSL\bin folder.

2. Navigate to the Directory: Open a command prompt or terminal and navigate to the directory containing your .pfx file.

3. Execute the Command: Run the following OpenSSL command to extract the private key:

   openssl pkcs12 -in [yourfile.pfx] -nocerts -out [drlive.key]

   • Replace [yourfile.pfx] with the actual name of your .pfx file.
   • Replace [drlive.key] with the desired name for the output file that will contain the private key. This file will be created in the same directory. You can name the output file as you wish with .key extension.
   • The -nocerts option tells OpenSSL to only extract the private key and not any certificates that might be included in the .pfx file.

Example:

If your PFX file is named mycertificate.pfx and you want to save the private key to a file named private.key, the command would be:

openssl pkcs12 -in mycertificate.pfx -nocerts -out private.key

This command will prompt you for the PFX file password. After you enter the correct password, the private key will be saved to the private.key file.