Overview#

The Certificate Subject provides a representation of the Certificate Digital Subject in the form of a Distinguished Name.

Certificate Subject within X.509 Certificates is often referred to as commonName and is a SINGLE-VALUE Distinguished Name field and can also have multiple names in the Subject Alternative Name extension. The Certificate Subject Distinguished Name is made of multiple Relative Distinguished Names (RDNs) which are all made of attribute Assertion Value Values) such as "CN=yourname" or "O=yourorganization".

From RFC 5280#

The Certificate Subject field identifies the entity associated with the Public Key stored in the Certificate Subject Public Key field. The Certificate Subject name MAY be carried in the Certificate Subject field and/or the subjectAltName extension.

More Information#

There might be more information for this subject on one of the following:

• CRLSign
• Certificate Authority
• Certificate Extensions
• Certificate Validation
• ContentCommitment
• DataEncipherment
• DecipherOnly
• Distinguished Names
• EncipherOnly
• Example Certificate
• Issuer Unique Identifier
• Java KeyStore
• KeyAgreement
• KeyCertSign
• NonRepudiation
• SignatureValue
• Subject
• Subject Alternative Name
• Subject Unique Identifier
• TBSCertificate

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• [#1] - 4.1.1.6 Subject - based on information obtained 2018-07-19