Sufficient permissions would be: 01100000
If the permissions are set to 0 then no restrictions are present.
Permissions have the same meanings as Unix chmod.
You can also specify specific layers to export and import.
Before encrypting the encPrivKeyFile above is generated.
You can run the pdfcrypt.pl utility to generate a private AES encryption key
using your password and / or perform other operations such as printing & authorization.
The output of the utility 50e0806aeb juskah
https://www.cap