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 Inc. Product Name: VeryPDF PDF DRM Creator Command Line Usage: drmpdf.exe [options] <PDF-file> -json <string>                    : Use JSON file to encrypt PDF files, JSON

PDF Password Security

Encryption Algorithms and Key LengthsPDF encryption makes use of the following encryption algorithms: RC4, a symmetric stream cipher (i.e. the same algorithm can be used to encrypt and decrypt). RC4 no longer offers adequate security and has been deprecated in