VeryPDF provides cost-effective PDF security and PDF copyright protection with digital rights management for Windows pcs, mac, iPads/iPhones and Android devices. Our software and services are widely used by training organizations, colleges and universities, and publishers wishing to make their books available electronically

VeryPDF’s mission is to ensure that your PDF and Office Document files are fully protected against onward distribution, content copying and unauthorized printing. Access to secured PDFs is supported by date controls, advanced watermarking and sophisticated tracking, all provided at

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

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