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bug#15552: 24.3.50; epa-file-cache-passphrase-for-symmetric-encryption n

From: Daiki Ueno
Subject: 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
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux)

tags 15552 notabug

Teodor Zlatanov <address@hidden> 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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