---
title: Security Constants
framework: security
role: collectionGroup
role_heading: API Collection
path: security/security-constants
---

# Security Constants

## Topics

### Constants

- [kAuthorizationExternalFormLength](security/kauthorizationexternalformlength.md)
- [kAuthorizationFlags](security/kauthorizationflags.md)
- [kSecCFErrorResourceRecursive](security/kseccferrorresourcerecursive.md)
- [kSecCodeInfoDefaultDesignatedLightweightCodeRequirement](security/kseccodeinfodefaultdesignatedlightweightcoderequirement.md)
- [kSecCodeInfoStapledNotarizationTicket](security/kseccodeinfostaplednotarizationticket.md)
- [kSecImportToMemoryOnly](security/ksecimporttomemoryonly.md)
- [kSecMatchHostOrSubdomainOfHost](security/ksecmatchhostorsubdomainofhost.md)