---
title: kSecRevocationUseAnyAvailableMethod
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecrevocationuseanyavailablemethod
---

# kSecRevocationUseAnyAvailableMethod

Perform either OCSP or CRL checking.

## Declaration

```swift
var kSecRevocationUseAnyAvailableMethod: CFOptionFlags { get }
```

## Discussion

Discussion The checking is performed according to the method(s) specified in the certificate and the value of kSecRevocationPreferCRL.