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Re: [pdf-devel] Crypt module


From: jemarch
Subject: Re: [pdf-devel] Crypt module
Date: Tue, 23 Dec 2008 23:47:56 +0100
User-agent: Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shijō) APEL/10.6 Emacs/23.0.60 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO)

   > Hi David.
   >
   > It seems that the filters never return PDF_EEOF when finish_p equals
   > to true: they return either PDF_ENINPUT or PDF_ERROR.
   >
   > +          if (aux_size > out_size)
   > +            {
   > +              /* We should can return PDF_ENOUTPUT. However the
   > +                 output buffer is assumed to be full if we return
   > +                 PDF_ENOUTPUT, but we can not write it partially.  */
   > +              return PDF_ERROR;
   > +            }
   >
   > The same problem that we found in the previous version: the filter
   > should cache the output of the cypher and write it step by step,
   > returning PDF_ENOUTPUT if the output buffer is not big enough to hold
   > all the data.
   >
   > Did you send the right version of the filters?

   Jemarch, the patch was for the crypt module with support for incremental
   encryption.

Ah, sorry! XD

Anyway, can you please send a patch not containing the code for the
filters? We can apply the filters later.





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