---
title: Security Functions
framework: security
role: collectionGroup
role_heading: API Collection
path: security/security-functions
---

# Security Functions

## Topics

### Functions

- [SecCertificateCopyNotValidAfterDate(_:)](security/seccertificatecopynotvalidafterdate(_:).md)
- [SecCertificateCopyNotValidBeforeDate(_:)](security/seccertificatecopynotvalidbeforedate(_:).md)
- [SecCodeCreateWithXPCMessage(_:_:_:)](security/seccodecreatewithxpcmessage(_:_:_:).md)
- [SecCodeValidateFileResource(_:_:_:_:)](security/seccodevalidatefileresource(_:_:_:_:).md)
- [SecTaskGetCodeSignStatus(_:)](security/sectaskgetcodesignstatus(_:).md)
- [SecTrustCopyCertificateChain(_:)](security/sectrustcopycertificatechain(_:).md)
- [SecTrustCopyKey(_:)](security/sectrustcopykey(_:).md)