What can X-PDF-Browser do?
- Embed files into PDF – compressed and optional encrypted
- Extract files back from PDF
- Supports Twofish 256 bit in CBC mode encryption
- the attachments can not been extracted by other programs
- Free for personal and educational use
The program serves as a test bed and demonstrator for implementing new ways of content embedding and encryption modes in PDF.
for details, please visit http://www.wizards.de/~frank/xpdfbrowser.html