[Android] WebAuthn not working

Description

Can’t set up WebAuthn in Brave (Android). On Windows, it works fine (using Windows Hello) and even on Android Chrome.

Steps to reproduce

1. Visit https://demo.yubico.com/webauthn-technical/registration
2. Tap “Next”

Alternatively

1. Visit https://webauthn.io
2. Enter a username
3. Tap on “Register” (nothing happens, but the debugger shows an error message)

Alternatively

1. Visit https://webauthn.me
2. Enter a username
3. Tap on “Register”

Actual result

Error message

The operation either timed out or was not allowed. See: https://www.w3.org/TR/webauthn-2/#sctn-privacy-considerations-client.

Expected result

An overlay to select the preferred security key option

• Bluetooth
• NFC
• USB
• Display lock

Issue reproduces how often

Easily reproduced

Version/Channel Information:

• Can you reproduce this issue with the current Play Store version? Yes
• Can you reproduce this issue with the current Play Store Beta version? Yes
• Can you reproduce this issue with the current Play Store Nightly version? Untested

Device details

• Install type (ARM, x86): ARM
• Device type (Phone, Tablet, Phablet): Phone
• Android version: 11

Brave version

> navigator.appVersion
<- "5.0 (Linux; Android 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.120 Mobile Safari/537.36"

Website problems only

• Does the issue resolve itself when disabling Brave Shields? No
• Does the issue resolve itself when disabling Brave Rewards? No
• Is the issue reproducible on the latest version of Chrome? No

Additional information

/cc @xopez @TimWolla

[TimWolla]

@SoftCreatR In the reproducer steps your 2 alternatives are identical.

[wparad]

It works for me using usb, sometimes, it is really flakely, but bluetooth never works it seems.