* Previously our base style sheet added roughly 20px of margin to the top and bottom of all QGroupBox. This caused visual errors where that margin was not needed/desired.
* Transferred padding to the specific layouts instead where it belongs.
* Set default value of DatabasePasswordMinimumQuality to 3 (do not accept a master password that is less than Good)
* Add custom message box button "Continue with weak password"
Closes#5991Closes#3337 - Support fingerprint readers on Linux
Polkit allows for authentication of many means, including fingerprint scanning. Furthermore, a common interface for Quick Unlocking has been implemented, and has been replaced throughout to make implementing other quick unlock strategies easier.
Refactor QuickUnlock to use UUID stored in headers. This is a new feature using the KDBX 4 standard to store a randomly generated UUID in the public headers of the database. This enables identification of KDBX file without relying on path or filename and will eventually support persistent Quick Unlock.
* Special thanks to @HexF and @smlu for their contributions towards this feature.
* Add MVP support for Windows Hello as a Quick Unlock solution using the WinRT API. This works by signing a random challenge vector with the Windows Hello protected key store (typically from TPM). The signed challenge is hashed using SHA-256 and then used as the encryption key to encrypt the database credentials. Credentials are encrypted using AES-256/GCM. This ensures the database password can only be decrypted following a successful authentication with Windows Hello in the future.
* Unify Touch ID and Windows Hello behavior under the Quick Unlock branding. Remove all timeout features of Touch ID as they are unnecessary and complicate the feature for no security gain.
* Quick Unlock is automatically reset only when the database key is changed vice whenever database settings are modified.
* Don't set database unlock dialog as always on top. This allows Touch ID and Windows Hello prompts to appear above the dialog properly.
* Prevent quick unlock when using AutoOpen or opening from the command line.
Definitions:
* Database Key - Cryptographic hash used to perform encrypt/decrypt of the database.
* Database Credentials - User facing term to refer to the collection of Password, Key File, and/or Hardware Key used to derive the Database Key.
Changes:
* Remove the term "master" and "key" from the user's lexicon and clarify the code base based on the definitions above.
* Clean up wording in the UI to be clearer to the end user.
