7.6. X.509
An X.509 digital certificate is the most common form of certificate used in modern infrastructures. It contains information regarding the owner of the certificate, the public key of that certificate, and certain other fields:
Version number
Serial number
Algorithm identifier
Issuer name
Validity
Subject name
Subject public key information
Issuer unique identifier
Subject unique identifier
Key identifier
X.509 certificates can be used in almost every area of security, including just about any form of communication or application. The main function of a certificate, as you know from your study at the MCTS level, is to link a user with certain identifiers that label them as an individual (or entity) that your infrastructure can recognize and ...
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