---
title: kSecAttrPRFHmacAlgSHA512
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecattrprfhmacalgsha512
---

# kSecAttrPRFHmacAlgSHA512

Use the SHA512 algorithm.

## Declaration

```swift
let kSecAttrPRFHmacAlgSHA512: CFString
```