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# ASPasskeyAssertionCredentialExtensionInput

A type that encapsulates input for various WebAuthn extensions during passkey assertion.

```
struct ASPasskeyAssertionCredentialExtensionInput
```

## Topics

### Creating an assertion input

[`init(largeBlob:prf:)`](/documentation/AuthenticationServices/ASPasskeyAssertionCredentialExtensionInput-swift.struct/init(largeBlob:prf:))

Creates a passkey assertion input.

[`ASAuthorizationPublicKeyCredentialLargeBlobAssertionInput`](/documentation/AuthenticationServices/ASAuthorizationPublicKeyCredentialLargeBlobAssertionInput-swift.struct)

A type that represents input for the binary large object extension in passkey assertion requests.

[`ASAuthorizationPublicKeyCredentialPRFAssertionInput`](/documentation/AuthenticationServices/ASAuthorizationPublicKeyCredentialPRFAssertionInput-swift.struct)

A type that represents input for the web authentication PRF extension in passkey assertion requests.

### Using inputs

[`largeBlob`](/documentation/AuthenticationServices/ASPasskeyAssertionCredentialExtensionInput-swift.struct/largeBlob)

Input for the WebAuthn large binary object extension in passkey assertion requests.

[`prf`](/documentation/AuthenticationServices/ASPasskeyAssertionCredentialExtensionInput-swift.struct/prf)

Input for the WebAuthn PRF extension in passkey assertion requests.



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