Properties of an X.509 v3 certificate

X.509 v3 certificate

Every day we come in contact with certificates, but what do the individual properties of a certificate actually mean?

A certificate must always have the following 3 properties:

1. Owner (Subject Name)

2. The public key of the owner (Subject Public Key Information)

3. Note on the validity of an Authorization Authority (CA)

Properties of an X.509 v3 certificate

Certificate template and purpose