# keyAttributes An array containing zero or more key attributes for an imported key. ``` var keyAttributes: Unmanaged? ``` ## Discussion Valid values are [`kSecAttrIsPermanent`](/documentation/Security/kSecAttrIsPermanent), [`kSecAttrIsSensitive`](/documentation/Security/kSecAttrIsSensitive), and [`kSecAttrIsExtractable`](/documentation/Security/kSecAttrIsExtractable). If you set this attribute array to `NULL`, the following defaults are used: - The item is marked permanent if a keychain is specified. - The item is marked sensitive if it is a private key. - The item is marked extractable by default. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)