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Running a Mini-CA
In Chapter 8, X.509 Certificates and PKI, we learned about Public Key Infrastructure (PKI) based on X.509 certificates. In this chapter, we will learn how to use the openssl ca subcommand to run a mini-Certificate Authority (CA) that can issue certificates for internal usage in an organization. A mini-CA can be useful in organizations for establishing internal PKI, gaining control of internally used certificates, and saving costs on ordering certificates from commercial CAs. The usage of a mini-CA will be illustrated by command-line examples.
We are going to cover the following topics in this chapter:
- Understanding the openssl ca subcommand
- Generating a root CA certificate
- Generating an intermediate CA certificate
- Generating ...
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