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List:       gnupg-devel
Subject:    Re: Encrypt/decript large files
From:       David Shaw <dshaw () jabberwocky ! com>
Date:       2003-06-30 15:26:34
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On Mon, Jun 30, 2003 at 10:37:49AM -0400, Michael Young wrote:
> Sorry about the bogus subject line on my first reply.
> 
> > From: Eric Harlow <linuxgeek@yahoo.com>
> ...
> > type file.bak | gpg -o output.gpg --encrypt
> 
> My initial guess was that you were seeing mod-2^32 truncation, but
> after fiddling with the Windows "type" program, it appears that it truncates
> binary files (most likely because it is line-oriented).  In any case,
> "type ... |" just isn't a reliable way to deal with large, binary input.

That was my error.  I suggested 'type' as an alternative to the Unix
'cat' (which of course works with binary data).

Eric, please try this:

  gpg -o output.gpg --encrypt < thebigfile

If the problem is in fact large file support (which it looks like it
is), then getting the data via stdin like this should be a workaround.

David
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