A very flexible and powerful program to encrypt a PDF (40 bits and 128 bits)
EditBy: Pdfcrypt is a very flexible and powerful program.
pdfcrypt allows you to encrypt a PDF (40 bits and 128 bits), set permissions, add user and owner password.
For example you can encrypt a pdf without to allow to print it. The button to print the file will be disabled in Acrobat Reader application.
For example you can encrypt a pdf allowing the user to read it only if he know the correct password
Its simple to use it like a Batch application to set permissions to every PDF in your archive.
Its simple to use it like a pipe application.
Its simple to use it inside your cgis.
We distribute only executable versions. you can free download Pdfcrypt for Linux 2.2 now.