<!--
{
  "availability" : [
    "iOS: 2.0.0 -",
    "iPadOS: 2.0.0 -",
    "macCatalyst: 13.0.0 -",
    "macOS: 10.0.0 -",
    "tvOS: 9.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 2.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/kSecRevocationUseAnyAvailableMethod",
  "metadataVersion" : "0.1.0",
  "role" : "Global Variable",
  "symbol" : {
    "kind" : "Global Variable",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@Ea@kSecRevocationOCSPMethod@kSecRevocationUseAnyAvailableMethod"
  },
  "title" : "kSecRevocationUseAnyAvailableMethod"
}
-->

# kSecRevocationUseAnyAvailableMethod

Perform either OCSP or CRL checking.

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

## Discussion

The checking is performed according to the method(s) specified in the certificate and the value of [`kSecRevocationPreferCRL`](/documentation/Security/kSecRevocationPreferCRL).

---

Copyright &copy; 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)