From Vectorworks Developer
DescriptionEncrypt one VectorScript Plug-in file.
fullPath :STRING) : BOOLEAN;
def vs.EncryptPlugin(fullPath): return BOOLEAN
RemarksThis function is provided by an external plug-in that is not provided by the normal distribution of Vectorworks.
The plug-in is called ‘BatchEncryption’ and can be found inside ‘ToolsWin’ or ‘ToolsMac’ folders of the corresponding Vectorworks SDKs.
The Vectorworks SDK can be downloaded here: http://www.vectorworks.net/support/custom/sdk/sdkdown.php
VersionAvailability: from Vectorworks 2014