Public Certificate Authorities
An individual or company may decide to rely on a CA that is already established and being used by many other individuals and companies—this would be a public CA. A company, on the other hand, may decide that it needs its own CA for internal use, which gives the company more control over the certificate registration and generation process and allows it to configure items specifically for its own needs. This second type of CA is referred to as a private CA (or in-house CA).
A public CA specializes in verifying individual identities and creating and maintaining their certificates. These companies issue certificates that are not bound to specific companies or intercompany departments. Instead, their services are to ...
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