Installation

This framework contains several sub-packages that you don’t necessarily need. It is highly recommended to install what you need and not the whole framework.
The preferred way to install the library you need is to use composer:
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composer require web-auth/webauthn-lib
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Hereafter the dependency tree:
web-auth/webauthn-lib: this is the core library. This package can be used in any PHP project or within any popular framework (Laravel, CakePHP…)
web-auth/webauthn-symfony-bundle: this is a Symfony bundle that ease the integration of this authentication mechanism in your Symfony project.
The core library also depends on web-auth/cose-lib and web-auth/metadata-service. What are these dependencies?
web-auth/cose-lib contains several cipher algorithms and COSE key support to verify the digital signatures sent by the authenticators during the creation and authentication ceremonies. These algorithms are compliant with the RFC8152. This library can be used by any other PHP projects. At the moment only signature algorithms are available, but it is planned to add encryption algorithms.
web-auth/metadata-service provides classes to support the Fido Alliance Metadata Service. If you plan to use Attestation Statements during the creation ceremony, this service is mandatory. Please note that Attestation Statements decreases the user privacy as they may leak data that allow to identify a specific user. The use of Attestation Statements and this service are generally not recommended unless you REALLY need this information. This library can also be used by any other PHP projects.
Framework and Dependency Sizes
The total size of the core package is approximately 760ko. Hereafter the detail for each component:
web-auth/cose-lib: 85ko
web-auth/metadata-service: 81ko
web-auth/webauthn-lib: 207ko
web-auth/webauthn-symfony-bundle: 385ko
The total size of the core package + the direct dependencies is approximately 1.7Mo.

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Framework and Dependency Sizes