---
title: kSecTrustCertificateTransparencyWhiteList
framework: security
role: symbol
role_heading: Global Variable
path: security/ksectrustcertificatetransparencywhitelist
---

# kSecTrustCertificateTransparencyWhiteList

A key whose value is a Boolean used to indicate the chain satisfies Certificate Transparency by being on the allow list.

## Declaration

```swift
let kSecTrustCertificateTransparencyWhiteList: CFString
```

## Discussion

Discussion When the key is present and the value set to kCFBooleanTrue, it indicates the chain is Extended Validation (EV) and not Certificate Transparency (CT) qualified, but is nonetheless included on the allow list.