Deciding between your own CA and a public CA
When you need a certificate, you can choose between a certificate issued by your own CA implementation or a public CA.
How to do it…
To decide between a certificate issued by your own CA implementation or a public CA, use the flow chart in the following figure:
Figure 12.1 – A flowchart to decide between your own CA and a public CA
How it works…
There are two main types of CAs:
- Public CAs
- Private CAs
Public CAs are trusted by operating systems, browsers, applications, and services. For this purpose, public CAs are part of the list of trusted root CAs that comes bundled with the Windows and Windows Server operating systems.
Of course, maintaining a place on the list of trusted root CAs involves rigorous security measures. Public CAs will only conduct business with legitimate organizations. As an organization, you will be asked to show proof of existence, tax registration...
