[pdftex] Encryption, passwords and so on.

John Culleton john at wexfordpress.com
Mon Jan 14 00:26:39 CET 2008

I just purchased an e-book with encrypted text and also a user password 
required to read it.  Back in 2003 encryption was removed from pdftex , and 
it was suggested that another program be used to encrypt the pdf, add 
passwords etc. No doubt the full Adobe distiller program will do this.  Is 
there an open source equivalent?  

I use pdftex and Context but not any form of Latex.
John Culleton
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