---
title: kSecPolicyKU_KeyEncipherment
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecpolicyku_keyencipherment
---

# kSecPolicyKU_KeyEncipherment

If true, the certificate’s key usage must allow it to be used for key encryption.

## Declaration

```swift
let kSecPolicyKU_KeyEncipherment: CFString
```