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List:       gnupg-users
Subject:    Re: dearmor in GPGME
From:       David Shaw <dshaw () jabberwocky ! com>
Date:       2008-04-28 18:21:39
Message-ID: 20080428182139.GE31584 () jabberwocky ! com
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On Mon, Apr 28, 2008 at 08:11:31PM +0200, Werner Koch wrote:
> On Mon, 28 Apr 2008 17:48, camrdale@gmail.com said:
> 
> > Thanks, I was aware of that, but hoping for a built-in method that
> > would do it better, including checking the checksum for me. Oh well, a
> 
> Forget about the CRC checksum.  It is cruft from old days when mail
> gateways garbled messages and PGP did not want to trouble the user with
> a passphrase dialog.  If the checksum fails the actual crypto integrity
> checks will bet triggered anyway.  In particular with gpg which does
> stream processing and won't see the CRC before it has parsed the crypto
> stuff.

Also note that the CRC is optional in OpenPGP.  It's not even always
there.

David

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