Sybrex SpeedPDF Protection Manager Console is a stand-alone, fully automatic command line based tool to deal with encryption and decryption. It can be used to read and write encrypted PDF documents and set their permission flags.The program?s features are:ease of use 40 bit encryption 128 bit ecryption 128 bit AES encryption recursive search for PDF documents.

Ссылка: http://www.sybr../console/files/protectionmanager/pdfprotect.x86.linux.tar.gz