[pdftex] pdftex-pdfcrypt update

Heiko Oberdiek oberdiek at ruf.uni-freiburg.de
Thu Mar 29 02:01:17 CEST 2001

At 02:30 29.03.2001 +0200, Ricardo Sanchez Carmenes wrote:
>On Wed, 28 Mar 2001, Hans Hagen wrote:
>> it may be enough to encrypt compressed streams only (i.e. text and
>> graphical data), since encripting any dict or descriptive object is a
>> slowdown and not that useful. 
>That's right. This is how the encryption standard is defined.
>The PDFref specs are clear.

I understand the pdf specs so, that _all_ strings and streams
(except some of the encryption dictionary) have to be encrypted
regardless of compression. Other data such as integers,
names, dicts are not encrypted to allow random access to
the objects.

Yours sincerely
  Heiko <oberdiek at ruf.uni-freiburg.de>

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