---
title: signature
framework: authenticationservices
role: symbol
role_heading: Instance Property
path: authenticationservices/aspasskeyassertioncredential/signature
---

# signature

The cryptographic signature of this credential.

## Declaration

```swift
var signature: Data { get }
```

## See Also

### Accessing credential information

- [authenticatorData](authenticationservices/aspasskeyassertioncredential/authenticatordata.md)
- [clientDataHash](authenticationservices/aspasskeyassertioncredential/clientdatahash.md)
- [credentialID](authenticationservices/aspasskeyassertioncredential/credentialid.md)
- [relyingParty](authenticationservices/aspasskeyassertioncredential/relyingparty.md)
- [userHandle](authenticationservices/aspasskeyassertioncredential/userhandle.md)