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6.2.3 User Certificates

A User Certificateis a Certificateis issued by certifying authority and identifies a user.

The X.509 v3 fields in a User Certificateswith specific requirements are shown in Table 44.

Table 44– User Certificate

Field

Description

subject

The distinguished name of the User.

The Common Name attribute shall be specified and should be name of the user. The Organization should be provided.

Other attributes may be specified.

The subject field is completely described in RFC 5280.

authorityKeyIdentifier

Provides more information about the key used to sign the Certificate. It shall be specified.

basicConstraints

The basicConstraintsfieldis completely described in RFC 5280.

The cAflag Identifies whether the subject of the Certificateis a CA The pathLengthspecifies the maximum depth of valid chains that include this Certificate.

The cAflag shall be FALSE for User Certificates.

The pathLength shall not be present.

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