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25.8. Creating a Self-Signed Certificate

You can create your own self-signed certificate. Note that a self-signed certificate does not provide the security guarantees of a CA-signed certificate. Refer to Section 25.5, “Types of Certificates” for more details about certificates.
To make your own self-signed certificate, first create a random key using the instructions provided in Section 25.6, “Generating a Key”. Once you have a key, make sure you are in the /usr/share/ssl/certs/ directory, and type the following command: 
make testcert
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The following output is shown and you are prompted for your passphrase (unless you generated a key without a passphrase): 
umask 77 ; \
/usr/bin/openssl req -new -key -set_serial num /etc/httpd/conf/ssl.key/server.key  
-x509 -days 365 -out /etc/httpd/conf/ssl.crt/server.crt
Using configuration from /usr/share/ssl/openssl.cnf
Enter pass phrase:
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Next, you are asked for more information. The computer's output and a set of inputs looks like the following (provide the correct information for your organization and host): 
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a
DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [GB]:US      
State or Province Name (full name) [Berkshire]:North CarolinaLocality Name (eg, city) [Newbury]:RaleighOrganization Name (eg, company) [My Company Ltd]:My Company, Inc.Organizational Unit Name (eg, section) []:DocumentationCommon Name (your name or server's hostname) []:myhost.example.comEmail Address []:myemail@example.com
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After you provide the correct information, a self-signed certificate is created in /etc/httpd/conf/ssl.crt/server.crt. Restart the secure server after generating the certificate with following the command: 
/sbin/service httpd restart
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