---
title: crossCertificatePair
description: X.509 certificate pair, as described in X.509 clause 11.2.3.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-crossCertificatePair
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-crossCertificatePair.html
---

# crossCertificatePair

X.509 certificate pair, as described in X.509 clause 11.2.3.

Request and transfer values using the binary option for the attribute description, `crossCertificatePair;binary`.

|                             |                                                                                                                                                  |
| --------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
| *OID*                       | 2.5.4.40                                                                                                                                         |
| *Names*                     | crossCertificatePair                                                                                                                             |
| *Syntax*                    | [CertificatePair](s-CertificatePair.html)                                                                                                        |
| *Equality matching rule*    | [octetStringMatch](mr-octetStringMatch.html)                                                                                                     |
| *Ordering matching rule*    | [octetStringOrderingMatch](mr-octetStringOrderingMatch.html)                                                                                     |
| *Single value*              | false: multiple values allowed                                                                                                                   |
| *User modification allowed* | true                                                                                                                                             |
| *Usage*                     | userApplications                                                                                                                                 |
| *Origin*                    | [RFC 4523](https://datatracker.ietf.org/doc/html/rfc4523)                                                                                        |
| *Schema file*               | 00-core.ldif                                                                                                                                     |
| *Used by*                   | [certificationAuthority-V2](oc-certificationAuthority-V2.html), [certificationAuthority](oc-certificationAuthority.html), [pkiCA](oc-pkiCA.html) |