Dependencies:

Python 2.5+ ( Windows installer: http://python.org/download/ )
PyQt4 ( Windows installer: http://www.riverbankcomputing.com/software/pyqt/download )
PyCrypto ( Windows installer: http://www.moojuice.net/ython-pycrypto-2-4-1-32-and-64-bit-windows-32x64-amdintel-installers/ )