Generate Private Key From Certificate Online

How can I find the private key for my SSL certificate. If you just got an issued SSL certificate and are having a hard time finding the corresponding private key, this article can help you to find that one and only key for your certificate. Easily Generate Your CSR & Private Key. CSR - Certificate Server Request - is a file required to create an SSL certificate. Instructions to generate CSR on-line? Read instructions and fill in all the fields and click 'Generate CSR' button below. Copy and paste CSR to text editor and save it as csr.txt - you will need it after ordering SSL. The certificate and private key can be installed on your web server which will provide data encryption. More information can be found in the tutorial Installing Apache 2 and SSL on Windows XP. To verify if the generated SSL certificate contains the correct information, use the online decode SSL certificate tool.

  1. Certificate Private Key Missing
  2. Generate Private Key From Certificate Online Search
  3. Get Private Key From Certificate

If you want to convert your website from HTTP to HTTPS, you need to get a SSL certificate from a valid organization like Verisign or Thawte. You can also generate self signed SSL certificate for testing purpose.

In this article, let us review how to generate private key file (server.key), certificate signing request file (server.csr) and webserver certificate file (server.crt) that can be used on Apache server with mod_ssl.

  1. Using Microsoft IIS to generate CSR and Private Key Last updated; Save as PDF Share. You can also use Microsoft IIS to generate a Private Key and CSR. How to generate a CSR in Microsoft IIS 7. Click Start, then Administrative Tools, then Internet Information Services (IIS) Manager. (including the Begin and End Certificate Request.
  2. Online CSR and Key Generator SSL.com’s public CSR and Key Generator is currently down for maintenance as part of our website’s redesign and update. We will be back soon with a new and updated version.
  3. Jun 09, 2019 Log on to the computer that issued the certificate request by using an account that has administrative permissions. Click Start, click Run, type mmc, and then click OK. On the File menu, click. Add/Remove Snap-in. In the Add/Remove Snap-in dialog box, click Add. Click Certificates, and then click.

Key, CSR and CRT File Naming Convention

I typically like to name the files with the domain name of the HTTPS URL that will be using this certificate. This makes it easier to identify and maintain.

  • Instead of server.key, I use www.thegeekstuff.com.key
  • Instead of server.csr, I use www.thegeekstuff.com.csr
  • Instead of server.crt, I use www.thegeekstuff.com.crt

1. Generate Private Key on the Server Running Apache + mod_ssl

Generate Private Key From Certificate Online

First, generate a private key on the Linux server that runs Apache webserver using openssl command as shown below.

Certificate Private Key Missing

The generated private key looks like the following.

2. Generate a Certificate Signing Request (CSR)

Using the key generate above, you should generate a certificate request file (csr) using openssl as shown below.

3. Generate a Self-Signed SSL Certificate

Generate Private Key From Certificate Online

For testing purpose, you can generate a self-signed SSL certificate that is valid for 1 year using openssl command as shown below.


You can use this method to generate Apache SSL Key, CSR and CRT file in most of the Linux, Unix systems including Ubuntu, Debian, CentOS, Fedora and Red Hat.

4. Get a Valid Trial SSL Certificate (Optional)

Instead of signing it youself, you can also generate a valid trial SSL certificate from thawte. i.e Before spending the money on purchasing a certificate, you can also get a valid fully functional 21 day trial SSL certificates from Thawte. Once this valid certificate works, you can either decide to purchase it from Thawte or any other SSL signing organization.

This step is optional and not really required. For testing purpose, you can always use the self-signed certificate that was generated from the above step.

Go to Thwate trial certificate request page and do the following:

  • Select “SSL Web Server Certificate (All servers)” under the “select your trial certificate”.
  • Do not check the PKCS #7 check-box under the “configure certificate”
  • Copy/Paste the *.csr file that you generate above in the textbox under “certificate signing request (CSR)”
  • Click on next at the bottom, which will give you a 21-day free trial certificate.

Get Private Key From Certificate

Cd keys generator.
Copy/Paste the trial certificate to the www.thegeekstuff.com.crt file as shown below.

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