TrezorSymmetricFileEncryption v0.5.0, Py2+PyQt4+Qt4
- requires Python 2.7
- requires PyQt4
- this is last version on PyQt4, future versions will be on PyQt5
- tested on Linux with Python v2.7
- should work on Windows, Mac OS X, Linux/Unix
- a Trezor (or compatible) device is required to use this software