GNU bug report logs - #37230
EasyPG selects revoked key, rather than the obvious current one as recipient on file save

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Message #10 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Beto HydroxyButyrate <beto <at> zepherin.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: EasyPG selects revoked key, rather than the obvious current one
 as recipient on file save
Date: Fri, 30 Aug 2019 16:14:32 +1000

[Message part 1 (text/plain, inline)]

Hi.  I transferred the file in question to the machine which does have
the pub/sec key on the keyring.
I do not wish to delete the key on that machine as I definitely do have
a lot of email which was sent encrypted with the pub key and which I
need the sec key to read.

So, I withdraw my withdrawal of the bug report.  It makes it pretty much
useless for me on that machine, unless I were to encode the keyid
explicitly.

I tried deleting just the public key, but alas, no such luck.

/    /lust% gpg --delete-key 4253BDD3FF52DC13
    gpg (GnuPG/MacGPG2) 2.2.17; Copyright (C) 2019 Free Software
Foundation, Inc.
    This is free software: you are free to change and redistribute it.
    There is NO WARRANTY, to the extent permitted by law.

    gpg: there is a secret key for public key "4253BDD3FF52DC13"!
    gpg: use option "--delete-secret-keys" to delete it first.


On 8/30/19 3:16 PM, Beto HydroxyButyrate wrote:
> Hi.  Actually, I had a closer look at the key, and all I had was the
> revoked public key, not the private bit.
> So I deleted it.
>
> I still maintain that EasyPG should act the same as gpg when it comes to
> specifying recipients.
>
> On 8/30/19 3:10 PM, Beto HydroxyButyrate wrote:
>> I have a test file named Test1.gpg with the following at the top:
>> ;; -*- epa-file-encrypt-to: ("beto <at> zepherin.com") -*-
>>
>> I write out the file. It throws this error:
>>
>> Debugger entered--Lisp error: (file-error "Opening output file" "Encrypt
>> failed" "Unusable public key: 4253BDD3FF52DC13; Exit")
>> signal(file-error ("Opening output file" "Encrypt failed" "Unusable
>> public key: 4253BDD3FF52DC13; Exit"))
>> epa-file-write-region(nil nil "/home/user/Documents/Auth/Test1.gpg" nil
>> t "~/Documents/Auth/Test1.gpg" nil)
>> apply(epa-file-write-region (nil nil
>> "/home/user/Documents/Auth/Test1.gpg" nil t "~/Documents/Auth/Test1.gpg"
>> nil))
>> epa-file-handler(write-region nil nil
>> "/home/user/Documents/Auth/Test1.gpg" nil t "~/Documents/Auth/Test1.gpg"
>> nil)
>> write-region(nil nil "/home/user/Documents/Auth/Test1.gpg" nil t
>> "~/Documents/Auth/Test1.gpg")
>> basic-save-buffer-2()
>> basic-save-buffer-1()
>> basic-save-buffer(t)
>> save-buffer(1)
>> funcall-interactively(save-buffer 1)
>> call-interactively(save-buffer nil nil)
>> command-execute(save-buffer)
>>
>> The problem is that EasyPG selects the revoked key. The solution is
>> *not* to delete the revoked key from my keyring. I need the revoked key
>> to be able to decode email previously sent encrypted using this revoked
>> key.
>> I did some googling and saw that there have been at least two other
>> reports of this issue, but someone hacked up a kluge specifically for
>> email, rather than fixing the general case.
>>
>>
>>
>> In GNU Emacs 26.1 (build 1, x86_64-redhat-linux-gnu, GTK+ Version 3.23.2)
>> of 2018-08-13 built on buildvm-13.phx2.fedoraproject.org
>> Windowing system distributor 'Fedora Project', version 11.0.12004000
>> System Description: Fedora release 29 (Twenty Nine)
>>
>> Recent messages:
>> <<< Type SPC or RET to bury the buffer list >>>
>> Saving file /home/user/Documents/Auth/Test1.gpg...
>> epa-file-write-region: Opening output file: Encrypt failed, Unusable
>> public key: 4253BDD3FF52DC13; Exit
>> <<< Type SPC or RET to bury the buffer list >>>
>> Mark set
>> t [2 times]
>> <<< Type SPC or RET to bury the buffer list >>>
>> Saving file /home/user/Documents/Auth/Test1.gpg...
>> Entering debugger...
>> <<< Type SPC or RET to bury the buffer list >>>
>>
>> Configured using:
>> 'configure --build=x86_64-redhat-linux-gnu
>> --host=x86_64-redhat-linux-gnu --program-prefix=
>> --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr
>> --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
>> --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
>> --libexecdir=/usr/libexec --localstatedir=/var
>> --sharedstatedir=/var/lib --mandir=/usr/share/man
>> --infodir=/usr/share/info --with-dbus --with-gif --with-jpeg --with-png
>> --with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolkit=gtk3
>> --with-gpm=no --with-xwidgets --with-modules
>> build_alias=x86_64-redhat-linux-gnu host_alias=x86_64-redhat-linux-gnu
>> 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g -pipe -Wall -Werror=format-security
>> -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions
>> -fstack-protector-strong -grecord-gcc-switches
>> -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
>> -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic
>> -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
>> LDFLAGS=-Wl,-z,relro
>> PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'
>>
>> Configured features:
>> XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GSETTINGS NOTIFY ACL
>> LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
>> TOOLKIT_SCROLL_BARS GTK3 X11 MODULES THREADS XWIDGETS LCMS2
>>
>> Important settings:
>> value of $LANG: C.UTF-8
>> locale-coding-system: utf-8-unix
>>
>> Major mode: Debugger
>>
>> Minor modes in effect:
>> shell-dirtrack-mode: t
>> show-paren-mode: t
>> display-time-mode: t
>> minibuffer-electric-default-mode: t
>> tooltip-mode: t
>> global-eldoc-mode: t
>> electric-indent-mode: t
>> mouse-wheel-mode: t
>> file-name-shadow-mode: t
>> global-font-lock-mode: t
>> font-lock-mode: t
>> blink-cursor-mode: t
>> auto-composition-mode: t
>> auto-encryption-mode: t
>> auto-compression-mode: t
>> buffer-read-only: t
>> line-number-mode: t
>> transient-mark-mode: t
>>
>> Load-path shadows:
>> None found.
>>
>> Features:
>> (shadow sort mail-extr emacsbug message rmc puny format-spec rfc822 mml
>> mml-sec password-cache gnus-util rmail rmail-loaddefs mm-decode
>> mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
>> sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils
>> cl-print debug cl-extra help-fns radix-tree help-mode misearch
>> multi-isearch shell pcomplete epa-file epa derived epg epg-config
>> image-mode rng-xsd xsd-regexp rng-cmpct rng-nxml rng-valid rng-loc
>> rng-uri rng-parse nxml-parse rng-match rng-dt rng-util rng-pttrn nxml-ns
>> nxml-mode nxml-outln nxml-rap sgml-mode seq byte-opt gv bytecomp
>> byte-compile cconv dom nxml-util nxml-enc xmltok view dired
>> dired-loaddefs elec-pair cus-edit cus-start cus-load wid-edit paren time
>> minibuf-eldef ruby-mode smie cc-mode cc-fonts cc-guess cc-menus cc-cmds
>> cc-styles cc-align cc-engine cc-vars cc-defs compile info easymenu ehelp
>> echistory chistory ebuff-menu hippie-exp comint ansi-color ring edmacro
>> kmacro cl-loaddefs cl-lib ls-lisp time-date mule-util tooltip eldoc
>> electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win
>> x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
>> tabulated-list replace newcomment text-mode elisp-mode lisp-mode
>> prog-mode register page menu-bar rfn-eshadow isearch timer select
>> scroll-bar mouse jit-lock font-lock syntax facemenu font-core
>> term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang
>> vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932
>> hebrew greek romanian slovak czech european ethiopic indian cyrillic
>> chinese composite charscript charprop case-table epa-hook jka-cmpr-hook
>> help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs
>> button faces cus-face macroexp files text-properties overlay sha1 md5
>> base64 format env code-pages mule custom widget hashtable-print-readable
>> backquote dbusbind inotify lcms2 dynamic-setting system-font-setting
>> font-render-setting xwidget-internal move-toolbar gtk x-toolkit x
>> multi-tty make-network-process emacs)
>>
>> Memory information:
>> ((conses 16 174725 10251)
>> (symbols 48 27705 1)
>> (miscs 40 367 292)
>> (strings 32 50902 1271)
>> (string-bytes 1 1474559)
>> (vectors 16 22946)
>> (vector-slots 8 584471 13322)
>> (floats 8 112 656)
>> (intervals 56 1481 164)
>> (buffers 992 27))
>>
>>

[Message part 2 (text/html, inline)]

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