`LibFido2Swift.FIDO2Error` error 3 when logging with hardware security key

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
48/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Active
Tech stack
macos, swift
Domain
authentication, desktop, security

Research direction

Start at LibFido2Swift.FIDO2Error and compare error 3 with reports #720 and #704, using the reproduction steps and the stated U2F/CTAP1 device details. Done means signing into an Apple account with the listed hardware key succeeds without the error.

Written by the indexing model from the issue text.

Description

bug

Describe the bug

When signing into Apple account with FIDO hardware security key, an error appears.

Similar issues have been reported but error codes differ slightly:

  • #720 (error 2)
  • #704 (error 0)

To Reproduce

  • Sign out
  • Signing in with an account which requires a hardware key
  • An error appears

Expected behavior

You can sign in with hardware security keys(U2F) without any error.

Screenshot
Image

Versions

  • OS: macOS Tahoe 26.0.1
  • Xcodes: 3.0.2 (34)

Hardware

  • FIDO Hardware key: Titan Security Key USB-C/NFC
  • vendor=0x096e, product=0x085b (FS ePass FIDO)
  • PIN is not supported with this security key
  • supports U2F / CTAP1
Dominant language
Swift
Stars
8.6k
Forks
387
Avg merge
6d 7h
Merged PRs (30d)
3

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