Buttercup is currently under heavy development, and updates will be pushed here very frequently. The application is currently in alpha, and should be considered unstable.
Please check buttercup-core for more information on Buttercup's core module.
Buttercup uses a delta-system to manage archive changes and save conflicts. The archive, upon saving, is encrypted with AES 256bit CBC mode with a SHA256 HMAC. Encryption is performed once the password has been salted and prepared with PBKDF2 at between 200-250k iterations.
Because security with password storage is of the utmost importance, Buttercup will remain in alpha/beta release mode until some level of professional scrutiny has occurred. It is completely possible that security-related changes will occur, but this is inevitable and we handle every question and criticism with great care when it comes to the safety of using our software.
Versions Buttercup for Linux
ver: 0.25.2 / Dec 22.2017
ver: 0.20.0 / Aug 30.2017
Screenshots Buttercup for Linux
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