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bug#1471: 23.0.60; Visiting GnuPG-encrypted file yields "file exists, bu


From: Eric Hanchrow
Subject: bug#1471: 23.0.60; Visiting GnuPG-encrypted file yields "file exists, but cannot be read"
Date: Tue, 02 Dec 2008 08:48:54 -0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the address@hidden mailing list.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

At the shell:

  $ cd /usr/local/src/emacs-via-git/src/

create a tiny encrypted file.

  $ echo Fee fi fo fum | gpg --symmetric > decrypt-me.gpg
  gpg: gpg-agent is not available in this session

You can't see it in this transcript, but I typed a very short passphrase: "foo"

Proof that the file is indeed encrypted:

  $ cat decrypt-me.gpg 
  -----BEGIN PGP MESSAGE-----
  Version: GnuPG v1.4.9 (GNU/Linux)

  jA0EAwMCJkAO8t1a89pgySSta9bxO023orfaXtK+Y0RuUP+8ohMfpLLgVlYWiTeN
  sX8mKnE=
  =HGzp
  -----END PGP MESSAGE-----

Proof that I haven't forgotten the passphrase:

  $ gpg --decrypt < decrypt-me.gpg 
  gpg: CAST5 encrypted data
  gpg: gpg-agent is not available in this session
  Enter passphrase:                   gpg: encrypted with 1 passphrase
  Fee fi fo fum
  gpg: WARNING: message was not integrity protected

Now let's visit the file in emacs:
  $ ./emacs -Q -nw

I then typed C-x C-f decrypt-me.gpg RET.  Emacs prompted me for the
passphrase for symmetric encryption, as I'd expect.  I entered it, and
then instead of seeing "Fee fi fo fum" in the buffer, as I'd expected, I
saw an error in the echo area: "File exists, but cannot be read".

If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/local/src/emacs-via-git/etc/DEBUG for instructions.


In GNU Emacs 23.0.60.9 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
 of 2008-12-01 on debian
configured using `configure  '--enable-maintainer-mode' '--with-xpm=yes' 
'--with-jpeg=no' '--with-gif=no' '--with-tiff=no' '--with-xft' 
'--with-x-toolkit=gtk''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
  erc-ring-mode: t
  erc-pcomplete-mode: t
  erc-netsplit-mode: t
  smerge-mode: t
  eldoc-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-autojoin-mode: t
  erc-track-mode: t
  erc-track-minor-mode: t
  erc-match-mode: t
  erc-log-mode: t
  erc-services-mode: t
  erc-networks-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-readonly-mode: t
  desktop-save-mode: t
  recentf-mode: t
  display-time-mode: t
  global-auto-revert-mode: t
  diff-auto-refine-mode: t
  shell-dirtrack-mode: t
  iswitchb-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
RET C-x k RET ESC x r e p o r t - e m a c s - b TAB 
RET C-g C-x b i n i RET ESC < C-s g p g C-s C-s C-s 
C-s C-a C-s e a s y C-s C-a ESC x ESC p RET

Recent messages:
Partially completed
/home/erich/private/: 0% (0/19181)
File exists, but cannot be read
/home/erich/private/: 0% (0/19181)
File exists, but cannot be read
/home/erich/private/: 0% (0/19181)
File exists, but cannot be read
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