---
title: ASAuthorizationSecurityKeyPublicKeyCredentialProvider
framework: authenticationservices
role: symbol
role_heading: Class
path: authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider
---

# ASAuthorizationSecurityKeyPublicKeyCredentialProvider

A mechanism for providing public key credential requests to an app or service with a physical security key.

## Declaration

```swift
class ASAuthorizationSecurityKeyPublicKeyCredentialProvider
```

## Mentioned in

Supporting Security Key Authentication Using Physical Keys

## Overview

Overview The credential provider accesses public-private key pairs stored on a physical security key for registration or authentication with a relying party. Instantiate this object, passing in the relying party identifier for the credentials.

## Topics

### Creating the provider

- [init(relyingPartyIdentifier:)](authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/init(relyingpartyidentifier:).md)

### Creating the request

- [relyingPartyIdentifier](authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/relyingpartyidentifier.md)
- [createCredentialAssertionRequest(challenge:)](authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/createcredentialassertionrequest(challenge:).md)
- [createCredentialRegistrationRequest(challenge:displayName:name:userID:)](authenticationservices/asauthorizationsecuritykeypublickeycredentialprovider/createcredentialregistrationrequest(challenge:displayname:name:userid:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [ASAuthorizationProvider](authenticationservices/asauthorizationprovider.md)
- [ASAuthorizationWebBrowserSecurityKeyPublicKeyCredentialProvider](authenticationservices/asauthorizationwebbrowsersecuritykeypublickeycredentialprovider-8xc1s.md)
- [CVarArg](swift/cvararg.md)
- [Copyable](swift/copyable.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Credential providers

- [ASAuthorizationPlatformPublicKeyCredentialProvider](authenticationservices/asauthorizationplatformpublickeycredentialprovider.md)