[Discuss] Password-protected PDF file?

[Edward Ned Harvey (blu)]

> From: discuss-bounces+blu=nedharvey.com at blu.org [mailto:discuss-
> bounces+blu=nedharvey.com at blu.org] On Behalf Of Edward Ned Harvey
> 
> acrobat 3, 40-bit RC4
> acrobat 6, 128-bit RC4
> acrobat 7, 128-bit AES
> acrobat 9, 256-bit AES

Sorry, forgot to mention.  The above are maximums.  The default selection is one behind for compatibility reasons.  In acrobat 9, you click on security to add encryption to pdf ... the default selection is acrobat 7 128-bit AES.