PhilippC / PhilippC/keepass2android

Yubikey 5 NFC firmware 5.4.3

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Dominant language
C#
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Description

What version of Keepass2Android are you using? 1.14 r4
I am using Yubikey with Challenge-Response. It just worked fine. Now I am trying Challenge-Response touch. On my linux machine it is just working fine even with static password. Everything is working without typing.
My phone is not playing along: static password not working & challennge reponse via NFC is not working neither.
i guess my question is: is this supported by keepass2android or do i need go back and "untouch" my slot programming on my Yubikeys?

my log
30/11/2025 10:56:22:273 -- AppSettingsActivity.OnPause 93 30/11/2025 10:56:26:68 -- AppSettingsActivity.OnStop 93 30/11/2025 10:56:28:771 -- Cancel autofill not implemented yet. 30/11/2025 10:56:28:791 -- parsing autofillStructure... 30/11/2025 10:56:28:792 -- Parsing done 30/11/2025 10:56:28:792 -- cannot autofill 30/11/2025 10:56:28:843 -- parsing autofillStructure... 30/11/2025 10:56:28:844 -- Parsing done 30/11/2025 10:56:28:844 -- cannot autofill 30/11/2025 10:56:41:435 -- AppSettingsActivity.OnStart 93 30/11/2025 10:56:41:436 -- AppSettingsActivity.OnResume 93 30/11/2025 10:56:41:436 -- DB null 93 30/11/2025 10:56:44:544 -- AppSettingsActivity.OnPause 93 30/11/2025 10:56:53:819 -- AppSettingsActivity.OnStop 93 30/11/2025 10:56:55:346 -- AppSettingsActivity.OnStart 93 30/11/2025 10:56:55:347 -- AppSettingsActivity.OnResume 93 30/11/2025 10:56:55:348 -- DB null 93 30/11/2025 10:56:57:149 -- AppSettingsActivity.OnPause 93 30/11/2025 10:57:01:8 -- AppSettingsActivity.OnResume 93 30/11/2025 10:57:01:8 -- DB null 93 30/11/2025 10:57:04:452 -- AppSettingsActivity.OnPause 93 30/11/2025 10:57:05:354 -- AppSettingsActivity.OnStop 93 30/11/2025 10:57:09:646 -- AppSettingsActivity.OnStart 93 30/11/2025 10:57:09:646 -- AppSettingsActivity.OnResume 93 30/11/2025 10:57:09:646 -- DB null 93

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source file or test is identified in the report. Start by reproducing the Yubikey 5 NFC firmware 5.4.3 behavior on Keepass2Android 1.14 r4 using Challenge-Response touch and static-password slots, then trace the relevant NFC or Challenge-Response path. Done means determining whether these configurations are supported and recording the required behavior or configuration.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, csharp
Domain
authentication, mobile, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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