GNU bug report logs - #15552
24.3.50; epa-file-cache-passphrase-for-symmetric-encryption not respected with GnuPG 2.x

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Daiki Ueno <ueno <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#15552: closed (24.3.50; epa-file-cache-passphrase-for-symmetric-encryption
 not respected with GnuPG 2.x)
Date: Mon, 07 Oct 2013 23:42:03 +0000

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Your message dated Tue, 08 Oct 2013 08:41:40 +0900
with message-id <87fvscwswx.fsf-ueno-ueno <at> gnu.org>
and subject line Re: bug#15552: 24.3.50; epa-file-cache-passphrase-for-symmetric-encryption not respected with GnuPG 2.x
has caused the debbugs.gnu.org bug report #15552,
regarding 24.3.50; epa-file-cache-passphrase-for-symmetric-encryption not respected with GnuPG 2.x
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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15552: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15552
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From: Teodor Zlatanov <tzz <at> lifelogs.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50;
 epa-file-cache-passphrase-for-symmetric-encryption not respected with
 GnuPG 2.x
Date: Mon, 07 Oct 2013 13:56:59 -0400

1. On the local system, install GnuPG 2.x and don't run the gpg-agent
2. Set epa-file-cache-passphrase-for-symmetric-encryption to t
3. Open file.gpg: password dialog pops up
4. close file.gpg
5. Open file.gpg: password dialog pops up again

Step (5) should not prompt.  It works properly with GnuPG 1.x.



In GNU Emacs 24.3.50.2 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.4)
 of 2013-09-20 on flea.lifelogs.com
Bzr revision: 114415 rgm <at> gnu.org-20130921005207-1eq49miu7feptu8i
Windowing system distributor `The X.Org Foundation', version 11.0.11304000
System Description:	Gentoo Base System release 2.2

[Message part 3 (message/rfc822, inline)]

From: Daiki Ueno <ueno <at> gnu.org>
To: Teodor Zlatanov <tzz <at> lifelogs.com>
Cc: 15552-done <at> debbugs.gnu.org
Subject: Re: bug#15552: 24.3.50;
 epa-file-cache-passphrase-for-symmetric-encryption not respected with
 GnuPG 2.x
Date: Tue, 08 Oct 2013 08:41:40 +0900

tags 15552 notabug
thanks

Teodor Zlatanov <tzz <at> lifelogs.com> writes:

> 1. On the local system, install GnuPG 2.x and don't run the gpg-agent
> 2. Set epa-file-cache-passphrase-for-symmetric-encryption to t
> 3. Open file.gpg: password dialog pops up
> 4. close file.gpg
> 5. Open file.gpg: password dialog pops up again
>
> Step (5) should not prompt.  It works properly with GnuPG 1.x.

That's intended behavior.  It is documented and I stated a number of
times the reason and why I chose such a lengthy name of the variable and
the default is nil:

1. Emacs heap is not so secure
2. Using Emacs for password input degrades the security

You never hear or remember.

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