# Certificate

## Full Formal Attribute Name

gfipm:2.0:entity:Certificate

## Abbreviated Formal Attribute Name

Certificate

## Definition

An electronic certificate used by the entity as a cryptographic trust anchor within a federation, for the purposes of digital signatures and/or encryption. The certificate is represented in X.509 v3, base-64 encoded format.

## Data Type

Base-64 Binary

## Metadata Version

2.0

## Usage Information

Some entities may have multiple certificates, e.g. a signing certificate and an encryption certificate. When encoding this attribute within a GFIPM trust fabric document, it is possible to specify multiple certificates for an entity via the use of multiple <AttributeValue> XML elements, with one certificate per <AttributeValue> element.

## Example Content

None Provided

## NIEM Xpath

N/A

## NIEM Definition

N/A

## Source

SAML 2.0 ("Trust Fabric") Metadata

## Misc. Notes

This attribute is new as of version 2.0. It can correspond to the value at any SAML 2.0 Metadata XPath that meets the following XPath query: "md:EntitiesDescriptor/md:EntityDescriptor/*/md:KeyDescriptor/ds:KeyInfo/ds:X509Data/ds:X509Certificate/text()".