Op 24/12/2010 2:50, nkumarkv schreef:
> Hi,
> Thanks for the reply.
> I am encrypting the PDf to disable copy and modify. I want to restrict the
> users from copying the PDF contents or modifying the contensts. I think i
> dont need to set any user or master password for this rite?
Suppose that it were possible to set a user password, but not an owner 
password.
In that case anyone would have all the permissions.
How do you suppose the PDF would be able to distinguish a user from an 
owner?
Elementary logic, my dear...

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