---
title: Certificate Property Keys
framework: security
role: collectionGroup
role_heading: API Collection
path: security/certificate-property-keys
---

# Certificate Property Keys

Recognize the dictionary keys that taken together define a certificate property.

## Overview

Overview These are the keys that appear in the property dictionaries that describe a certificate. Each property dictionary includes a key for the property type, a label for the property, a localized label, and the property value itself. Many property dictionaries are in turn collected into a larger dictionary that is returned by a call to the SecCertificateCopyValues(_:_:_:) function.

## Topics

### Constants

- [kSecPropertyKeyType](security/ksecpropertykeytype.md)
- [kSecPropertyKeyLabel](security/ksecpropertykeylabel.md)
- [kSecPropertyKeyLocalizedLabel](security/ksecpropertykeylocalizedlabel.md)
- [kSecPropertyKeyValue](security/ksecpropertykeyvalue.md)