## DS_C_CERT_PAIR

An instance of OM class DS_C_CERT_PAIR contains one or both of a forward and reverse certificate, that assists users in building a certification path.

An instance of this OM class has the OM attributes of its superclass, OM_C_OBJECT, in addition to the OM attributes listed in the following table.

OM Attributes of DS_C_CERT_PAIR

OM Attribute * | Value Syntax | Value Length | Value Number | Value Initially
DS_FORWARD | Object(DS_C_ CERT) | 017 | 0 or 1 | -
DS_REVERSE | Object(DS_C_ CERT) | - | 0 or 1 | -

* At least one of these OM attributes must be present.

· DS_FORWARD

This attribute specifies the certificate of a first CA issued by a second CA.

· DS_REVERSE

This attribute specifies the certificate of the second CA issued by the first CA.

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