Mar 22, 2019 To generate a new Key pair, run the following commands on your home computer. Open your terminal and run the following command under your username. local$ ssh-keygen -t rsa This creates a public/private keypair of the type (-t) rsa. Apr 09, 2014 The key pair generated here is used for testing purposes only and is self-signed. The public certificate generated can then be used for testing SSL Mutual Authentication from a browser to Forum Sentry. In Mac OS X, key pair generation, storage and management is handled by the Keychain Access application. To generate a Certificate Signing Request (CSR) for Apple Mac OS x 10.6 you will need to create a key pair for your server the public key and private key. These two items are a digital certificate key pair and cannot be separated. In the navigation pane, choose Key Pairs. Choose Create key pair. For Name, enter a descriptive name for the key pair. For File format, choose the format in which to save the private key.
Use Keys, Not Passwords. Instead of a password, you have a pair of matched keys: one public, and one private. Anyone with access to the public key can use it to encrypt information, which can only be decrypted using the corresponding private key. If you’re on a Mac, we can generate your keypair from the command line.
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.
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
First, generate a private key on the Linux server that runs Apache webserver using openssl command as shown below.
The generated private key looks like the following.
2. Generate a Certificate Signing Request (CSR)
Generate rsa public key from modulus exponent c in one. 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
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.
Copy/Paste the trial certificate to the www.thegeekstuff.com.crt file as shown below.
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