keepassxc
 | Documentation for this is incomplete. Contributions are happily considered! |
Installation[edit]
Recommended to be installed inside an offline VM (vault). [1] When you want to keepassxc as replacement for Google Authenticator (actually TTOP, Time based One Time Password) Two Factor Authentication (2FA)) then a Debian based VM is more suitable than a Whonix-Workstation based VM. [2]
Yubikey related. Users not using yubikey should skip this.
sudo apt-get install yubikey-personalization yubikey-personalization-gui
Get keepassxc signing key. [3]
gpg --recv-keys C1E4CBA3AD78D3AFD894F9E0B7A66F03B59076A8
Download keepassxc.
curl --location --remote-name --tlsv1.2 https://github.com/keepassxreboot/keepassxc/releases/download/2.3.4/KeePassXC-2.3.4-x86_64.AppImage
Download keepassxc signature.
curl --location --remote-name --tlsv1.2 https://github.com/keepassxreboot/keepassxc/releases/download/2.3.4/KeePassXC-2.3.4-x86_64.AppImage.sig
Verify keepassxc signature.
gpg --verify KeePassXC*.sig
Should show the following.
gpg: assuming signed data in 'KeePassXC-2.3.4-x86_64.AppImage'
gpg: Signature made Thu 23 Aug 2018 01:31:30 PM EDT
gpg: using RSA key C1E4CBA3AD78D3AFD894F9E0B7A66F03B59076A8
gpg: Good signature from "KeePassXC Release <release@keepassxc.org>" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg: There is no indication that the signature belongs to the owner.
Primary key fingerprint: BF5A 669F 2272 CF43 24C1 FDA8 CFB4 C216 6397 D0D2
Subkey fingerprint: C1E4 CBA3 AD78 D3AF D894 F9E0 B7A6 6F03 B590 76A8
Make keepassxc executable.
chmod +x KeePassXC*
Installation is now complete.
Autostart[edit]
Optional. If you like to autostart keepassxc.
Create folder ~/.config/autostart/.
mkdir -p ~/.config/autostart/
Create a file ~/.config/autostart/keepassxc.desktop.
Paste the following content.
[Desktop Entry] Type=Application Name=keepassxc Exec=/home/user/KeePassXC-2.3.4-x86_64.AppImage
Save.
The process is now complete.
Usage[edit]
To start.
./KeePassXC*
First run question: either answer is ok.
Create a new database.
Default file name Passwords.kdbx is ok.
If you are using Full Disk Encryption you might want to use a very easy password. Up to you.
Left click one time on root
Then go to menu -> entries -> Add new entry -> any name name as test -> ok
right click on test -> time based on time password -> set up TOTP -> Default -> paste 2FA code -> ok
right click on test again -> time based on time password -> show TOTP
Time Fix[edit]
2FA TTOP code changes every 30 seconds. So clock needs to be reasonable correct.
Troubleshoting only. If code does not match.
Set timezone to UTC for simplicity.
sudo cp /usr/share/zoneinfo/Etc/UTC /etc/localtime
Go to https://www.timeanddate.com/worldclock/timezone/utc or any other similar source to find out the time in UTC.
Fix the click. Change the date and time accordingly!
sudo date -s "26 SEPT 2018 11:54:25"
Check if the clock is correct now.
date
Footnotes[edit]
- ↑
- In Qubes, apt-get package installation could be done in TemplateVM.
- In Qubes, download and verification could be done in a temporary TemplateBased AppVM, ideally DispVM. Then move to offline vault VM.
- In Non-Qubes-Whonix: install first, then disconnect internet and never re-enable internet access. TODO document
- ↑ Because accurate time required for TTOP and due to Boot Clock Randomization and sdwdate anonymizing time.
- ↑ https://keepassxc.org/verifying-signatures
- ↑ https://addons.mozilla.org/de/firefox/addon/passifox/
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