Mailing List Archive: Large files on Windows 2000

Please excuse me but I am a newbie to GnuPG, (and encryption in general)
but I wonder if anyone else has had problems decrypting big ( 4-6 gig)
files on Windows 2000. I have made smaller files work fine but no luck
with the big ones. I am encryting with default DES/AL GIMAL 1024. The
content is mpeg2 files. Encryting seems to go fine, and starts to
decrypt
but bails after a while.

BTW- If I use symmetric (-c) option, it works. Not quite the level of
protection I am looking for though ;0)

Thanks for any help.

Clay B. Meyer
claym2@home.com
claym@lodgenet.com

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On Wed, 6 Sep 2000, DayWare wrote:

> Please excuse me but I am a newbie to GnuPG, (and encryption in general)
> but I wonder if anyone else has had problems decrypting big ( 4-6 gig)
> files on Windows 2000. I have made smaller files work fine but no luck
> with the big ones. I am encryting with default DES/AL GIMAL 1024. The

Did you try to pipe the data in and out? IF you don;t do so, GnuPG
might use filelength to get the size of the plaintext when encrypting
and that function does only return 32 bits. By using pipes this
will be avoided. GnuPG must use partial length encoding to cope
with large files.

Werner

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Werner Koch GnuPG key: 621CC013
OpenIT GmbH http://www.OpenIT.de

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