Thanks Michael for your help. That makes sense.
On Wed, Jul 24, 2013 at 4:27 PM, mkl [via iText - General] <
ml-node+s2136553n4658804...@n4.nabble.com> wrote:
> Satya,
>
> satya.praks wrote
> But I don't want to have any owner password for the encrypted pdf. Is that
> possible?
>
> No.
>
> Cf. section 7.6.3.2 Standard Encryption Dictionary of ISO 32000-1:2008 on
> encryption dictionary entries for the standard security handler:
>
> O string (Required) A 32-byte string, based on both the owner and user
> passwords, that shall be used in computing the encryption key and in
> determining whether a valid owner password was entered. For more
> information, see 7.6.3.3, "Encryption Key Algorithm," and 7.6.3.4,
> "Password Algorithms."
>
> U string (Required) A 32-byte string, based on the user password, that
> shall be used in determining whether to prompt the user for a password and,
> if so, whether a valid user or owner password was entered. For more
> information, see 7.6.3.4, "Password Algorithms."
>
> Both these values are required in that dictionary. Thus, both a user and
> an owner password value are required.
>
> For the user password the specification defines an explicit default value.
> And for the owner statement it says what I posted in my previous message in
> this thread.
>
> Regards, Michael
>
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Thanks and Regards,
Satya
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