---
title: loginRequestHPKEPreSharedKey
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/asauthorizationproviderextensionloginconfiguration/loginrequesthpkepresharedkey
---

# loginRequestHPKEPreSharedKey

## Declaration

```swift
var loginRequestHPKEPreSharedKey: Data? { get set }
```

## Discussion

Discussion The PreSharedKey to be used for HKPE for embedded login assertions. Setting this value will change the mode to PSK if the loginRequestHPKEPreSharedKeyID is also set. Must be at least 32 bytes.