---
title: ASAuthorizationProviderExtensionKeyType.userDeviceSigning
framework: authenticationservices
role: symbol
role_heading: Case
path: authenticationservices/asauthorizationproviderextensionkeytype/userdevicesigning
---

# ASAuthorizationProviderExtensionKeyType.userDeviceSigning

The user device signing key.

## Declaration

```swift
case userDeviceSigning
```

## See Also

### Identifying the key types

- [ASAuthorizationProviderExtensionKeyType.userDeviceEncryption](authenticationservices/asauthorizationproviderextensionkeytype/userdeviceencryption.md)
- [ASAuthorizationProviderExtensionKeyType.userSecureEnclaveKey](authenticationservices/asauthorizationproviderextensionkeytype/usersecureenclavekey.md)