Ceremonies
Registration and Authentication process overview
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Registration and Authentication process overview
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In the Webauthn context, there are two ceremonies:
The attestation ceremony
The assertion ceremony: it is used for the authentication of a user.
For both ceremonies, there are two steps to perform:
The creation of options: these options are sent to the authenticator and indicate what to do and how.
The response of the authenticator: after the user interacted with the authenticator, the authenticator computes a response that has to be verified.
Depending on the options and the capabilities of the authenticator, the user interaction may differ. It can be a simple touch on a button or a complete authentication using biometric means (PIN code, fingerprint, facial recognition…).
This ceremony aims at registering an authenticator. It can be used during the creation of a new user account or when an existing user wants to add an additional authenticator.
This ceremony aims at authenticating a user. The user will be asked to interact with one of its authenticators. Additional authentication means, such as PIN code or fingerprint, may be required.
