WebDevAuthn

Debug FIDO2 requests and responses

What is WebDevAuthn?

WebDevAuthn is a Chrome extension that provides powerful tools to debug FIDO2/WebAuthn requests and responses. It captures WebAuthn requests, analyses options, and unpacks authenticator responses. With the virtual authenticator device, you can simulate custom responses and test implementations. Ideal for developers and security enthusiasts.

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Stats

By: DinoDevs

View on Chrome Web Store

Users: 384 ▼ -12

Version: 0.5 (Last updated: 2022-03-07)

Creation date: 2022-03-07

Risk impact: Moderate risk impact

Risk likelihood: Very low risk likelihood

Manifest version: 3

Permissions:

storage

Host permissions:

<all_urls>

Size: 19.00K

Email: di*****@gmail.com

URLs: Website

Stats date:

Chrome-Stats Rank

# 42308 ▼ 576

Other rankings

#1825 in Developer Tools ▲ 7

Other platforms

Not available on Firefox

Not available on Edge

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Summary

Analyze keywords

Analyse FIDO2/WebAuthn requests and responses

Analyser Features:

Capture WebAuthn requests
Analyse WebAuthn options (show info, warnings & errors)
Unpack/Decode WebAuthn authenticator responses
Virtual Authenticator Device (for custom responses)

Virtual Authenticator Device

OS independent
Supports packed attestation
Supports wrapped keys to credentials id
Access to the private key of the generated credentials
Testing mode to assess implementations
Multiple supported algorithms

Safety

Risk impact

WebDevAuthn may not be safe to use and it requires some risky permissions. Exercise caution when installing this extension. Review carefully before installing.