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.
How to: Create a public-private key pair.; 2 minutes to read; In this article. To sign an assembly with a strong name, you must have a public/private key pair. This public and private cryptographic key pair is used during compilation to create a strong-named assembly. You can create a key pair using the Strong Name tool (Sn.exe). Using Public-Key Authentication in Secure Shell Applications. The tip below provides a basic overview of public-key authentication, explains how to generate and upload keys to the Secure Shell server, and shows how to configure SecureCRT and SecureFX clients. Overview of public-key authentication for Secure Shell. Cryptography/Generate a keypair using OpenSSL. From Wikibooks, open books for an open world create keys (prime1, also called p, and prime2, also called q), a few other variables used to perform RSA operations faster, and the Base64 PEM encoded version of all that data. (The Base64 PEM encoded version of.
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.
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)
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:
Copy/Paste the trial certificate to the www.thegeekstuff.com.crt file as shown below.
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Here are the few steps to generate the private key, certificate signed request, self-signed certificate and how to get rid of the passphrase request when starting youâre application .
Okay, letâs start. Go to the directory you want to store youâre certificate stuff. This example will assume youâre common name (aka : host name) will be âsecure.certificate.tldâ.
The whole process explained down below is a step-by-step procedure for every stage. There is a single command that can do it all (generate the private key without passphrase and the CSR). You can use the following single step command if this is what you need and you should be good to go requesting the certificate from the Certificate Authority (or your SSL vendor) or jump to the self-generated certificate step further below otherwise.
Generate a private key without passphrase + CSR :
Command
Manual step-by-step procedure :
First, create a private key :
Second, create a certificate signed request (known as CSR) :
Then, remove the passphrase :
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