Overview of the framework
Webauthn defines an API enabling the creation and use of strong, attested, scoped, public key-based credentials by web applications, for the purpose of strongly authenticating users.
This framework contains PHP libraries and Symfony bundle to allow developers to integrate that authentication mechanism into their web applications.
Naming things may be complicated. That’s why the following rule applies on the whole framework: the name of classes, constants and properties are identical to the ones you will find in the specification.
As an example, the section 5.2.2 “Web Authentication Assertion” shows an object named
AuthenticatorResponsewith the following properties:
- Attestation Types
- Private CA
- Anonymization CA
Note that Elliptic Curve Direct Anonymous Attestation (ECDAA) is deprecated and not supported
- Attestation Formats
- FIDO U2F
- Android Key
- Android Safetynet
- Cose Algorithms
- RS1, RS256, RS384, RS512
- PS256, PS384, PS512
- ES256, ES256K, ES384, ES512
- Supported (not fully tested)
- appid extension (compatibility with FIDO U2F authenticator
The Token Binding support feature is now deprecated as not part of the latest specification version
The framework is already compatible with all authenticators.
The compliance of the framework is ensured by running unit and functional tests during its development.
It is also tested using the official FIDO Alliance testing tools. The status of the compliance tests are reported in this issue. At the time of writing (January 2023, all features and algorithms are supported and 100% of the tests pass.
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