VeryPDF DRM Creator Command Line Command Line options

E:\PDFDRM\VeryPDF-DRMCreator\drmpdf.exe “VeryPDF PDF DRM Creator Command Line” version 3.0 Copyright 1996-2018 VeryPDF.com Inc. Product Name: VeryPDF PDF DRM Creator Command Line http://www.verypdf.com http://www.verydoc.com http://support.verypdf.com Email:support@verypdf.com Usage: drmpdf.exe [options] <PDF-file> -json <string>                    : Use JSON file to encrypt PDF files, JSON