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Re: [O] org-crypt: Secure encrypted message against inadvertent change

From: John Kitchin
Subject: Re: [O] org-crypt: Secure encrypted message against inadvertent change
Date: Sun, 23 Aug 2015 19:54:51 -0400

I am not sure if you put the comment on this post:

but it is possible to setup a hook that makes headings read-only. You
could do that for headings tagged crypt, for example.

AW writes:

> I'm using org-crypt. All text below a heading with the tag :crypt: becomes
> encrypted with saving the file and looks like this:
> Version: GnuPG v2
> hQEOAxn9DjwjX2oYEAQAgLl/58dss1VVgmRb1rGIaNV2I5P+smcDjhWa5/arTMPE
> 9wjxHUpU/HSflCwnV5609H3J9ZSVubCpaUbV3Da0jnDUJuljFbSqapRym1PW0hFn
> ApfLwze3HTj+A3eODf+p3kbDjFnII9Rfn7lWQ/6OmMrisQbvbsWzS3K/crgqu+cD
> /j6m3nDURonKGStv5h7sgaSRuLGzqXvHXEnS+d1ad1ZomgTD4abZNvDYt9Y039FE
> xYwRphWSBs+vtQ34resZewCa4s7h5SES5j839vQPWI4VyA4uRrfzYATHnHtoxfwA
> RQWzUTeS16FFBxnjqqTXGXqH9go25Ovnl1Np9c2H7veH0lQB/hpwGbUJRnYCx5Nd
> UlZ/U+aKQJl3aD+ulgOxJhTQNb9ToXxMpwS3FitsZHVh8OaRBLdgjRVFstWw3NhT
> RTQ3Og0+ts34iKW+u+2ock/LqiDYFx4=
> =+xma
> -----END PGP MESSAGE-----
> I really hope this example will not irritate your email software.
> My notebook has one of those large touchpads and once in a while I hit it and
> go on with typing, but the cursor shifted to text somewhere else and I'm
> adding letters to a completely different paragraph, before I notice and
> correct it.
> Well, this evening I added some letters inadvertently inside a PGP message,
> because the touchpad shifted to cursor to an encrypted paragraph. If I saved
> the file, the encrypted paragraph would have become un-decryptable (I tested
> this: decrypting no longer is possible).
> Unfortunately I won't always realise what happened, e.g. if I don't watch
> while dictating into a speech recognition (Dragon Nat. Speak.).
> And the encrypted parts are not needed often. So the destroyed PGP message
> might make it into my backups and if I try to encrypt it a year later...
> Why isn't the text between
> and
> -----END PGP MESSAGE-----
> read-only as a default ?
> Really, an inadvertent change can destroy valuable information and it i

Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213

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