lisp/epa.el

   1 ;;; epa.el --- the EasyPG Assistant
   2 ;; Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
   3
   4 ;; Author: Daiki Ueno <ueno@unixuser.org>
   5 ;; Keywords: PGP, GnuPG
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software: you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation, either version 3 of the License, or
  12 ;; (at your option) any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 ;;; Code:
  23
  24 (require 'epg)
  25 (require 'font-lock)
  26 (require 'widget)
  27 (eval-when-compile (require 'wid-edit))
  28 (require 'derived)
  29
  30 (defgroup epa nil
  31   "The EasyPG Assistant"
  32   :version "23.1"
  33   :group 'epg)
  34
  35 (defcustom epa-popup-info-window t
  36   "If non-nil, status information from epa commands is displayed on
  37 the separate window."
  38   :type 'boolean
  39   :group 'epa)
  40
  41 (defcustom epa-info-window-height 5
  42   "Number of lines used to display status information."
  43   :type 'integer
  44   :group 'epa)
  45
  46 (defgroup epa-faces nil
  47   "Faces for epa-mode."
  48   :version "23.1"
  49   :group 'epa)
  50
  51 (defface epa-validity-high
  52   `((((class color) (background dark))
  53      (:foreground "PaleTurquoise"
  54                   ,@(if (assq ':weight custom-face-attributes)
  55                         '(:weight bold)
  56                       '(:bold t))))
  57     (t
  58      (,@(if (assq ':weight custom-face-attributes)
  59             '(:weight bold)
  60           '(:bold t)))))
  61   "Face used for displaying the high validity."
  62   :group 'epa-faces)
  63
  64 (defface epa-validity-medium
  65   `((((class color) (background dark))
  66      (:foreground "PaleTurquoise"
  67                   ,@(if (assq ':slant custom-face-attributes)
  68                         '(:slant italic)
  69                       '(:italic t))))
  70     (t
  71      (,@(if (assq ':slant custom-face-attributes)
  72             '(:slant italic)
  73           '(:italic t)))))
  74   "Face used for displaying the medium validity."
  75   :group 'epa-faces)
  76
  77 (defface epa-validity-low
  78   `((t
  79      (,@(if (assq ':slant custom-face-attributes)
  80             '(:slant italic)
  81           '(:italic t)))))
  82   "Face used for displaying the low validity."
  83   :group 'epa-faces)
  84
  85 (defface epa-validity-disabled
  86   `((t
  87      (,@(if (assq ':slant custom-face-attributes)
  88             '(:slant italic)
  89           '(:italic t))
  90         :inverse-video t)))
  91   "Face used for displaying the disabled validity."
  92   :group 'epa-faces)
  93
  94 (defface epa-string
  95   '((((class color) (background dark))
  96      (:foreground "lightyellow"))
  97     (((class color) (background light))
  98      (:foreground "blue4")))
  99   "Face used for displaying the string."
 100   :group 'epa-faces)
 101
 102 (defface epa-mark
 103   `((((class color) (background dark))
 104      (:foreground "orange"
 105                   ,@(if (assq ':weight custom-face-attributes)
 106                         '(:weight bold)
 107                       '(:bold t))))
 108     (((class color) (background light))
 109      (:foreground "red"
 110                   ,@(if (assq ':weight custom-face-attributes)
 111                         '(:weight bold)
 112                       '(:bold t))))
 113     (t
 114      (,@(if (assq ':weight custom-face-attributes)
 115             '(:weight bold)
 116           '(:bold t)))))
 117   "Face used for displaying the high validity."
 118   :group 'epa-faces)
 119
 120 (defface epa-field-name
 121   `((((class color) (background dark))
 122      (:foreground "PaleTurquoise"
 123                   ,@(if (assq ':weight custom-face-attributes)
 124                         '(:weight bold)
 125                       '(:bold t))))
 126     (t
 127      (,@(if (assq ':weight custom-face-attributes)
 128             '(:weight bold)
 129           '(:bold t)))))
 130   "Face for the name of the attribute field."
 131   :group 'epa)
 132
 133 (defface epa-field-body
 134   `((((class color) (background dark))
 135      (:foreground "turquoise"
 136                   ,@(if (assq ':slant custom-face-attributes)
 137                         '(:slant italic)
 138                       '(:italic t))))
 139     (t
 140      (,@(if (assq ':slant custom-face-attributes)
 141             '(:slant italic)
 142           '(:italic t)))))
 143   "Face for the body of the attribute field."
 144   :group 'epa)
 145
 146 (defcustom epa-validity-face-alist
 147   '((unknown . epa-validity-disabled)
 148     (invalid . epa-validity-disabled)
 149     (disabled . epa-validity-disabled)
 150     (revoked . epa-validity-disabled)
 151     (expired . epa-validity-disabled)
 152     (none . epa-validity-low)
 153     (undefined . epa-validity-low)
 154     (never . epa-validity-low)
 155     (marginal . epa-validity-medium)
 156     (full . epa-validity-high)
 157     (ultimate . epa-validity-high))
 158   "An alist mapping validity values to faces."
 159   :type '(repeat (cons symbol face))
 160   :group 'epa)
 161
 162 (defvar epa-font-lock-keywords
 163   '(("^\\*"
 164      (0 'epa-mark))
 165     ("^\t\\([^\t:]+:\\)[ \t]*\\(.*\\)$"
 166      (1 'epa-field-name)
 167      (2 'epa-field-body)))
 168   "Default expressions to addon in epa-mode.")
 169
 170 (defconst epa-pubkey-algorithm-letter-alist
 171   '((1 . ?R)
 172     (2 . ?r)
 173     (3 . ?s)
 174     (16 . ?g)
 175     (17 . ?D)
 176     (20 . ?G)))
 177
 178 (defvar epa-protocol 'OpenPGP
 179   "*The default protocol.
 180 The value can be either OpenPGP or CMS.
 181
 182 You should bind this variable with `let', but do not set it globally.")
 183
 184 (defvar epa-armor nil
 185   "*If non-nil, epa commands create ASCII armored output.
 186
 187 You should bind this variable with `let', but do not set it globally.")
 188
 189 (defvar epa-textmode nil
 190   "*If non-nil, epa commands treat input files as text.
 191
 192 You should bind this variable with `let', but do not set it globally.")
 193
 194 (defvar epa-keys-buffer nil)
 195 (defvar epa-key-buffer-alist nil)
 196 (defvar epa-key nil)
 197 (defvar epa-list-keys-arguments nil)
 198 (defvar epa-info-buffer nil)
 199 (defvar epa-last-coding-system-specified nil)
 200
 201 (defvar epa-key-list-mode-map
 202   (let ((keymap (make-sparse-keymap))
 203         (menu-map (make-sparse-keymap)))
 204     (define-key keymap "m" 'epa-mark-key)
 205     (define-key keymap "u" 'epa-unmark-key)
 206     (define-key keymap "d" 'epa-decrypt-file)
 207     (define-key keymap "v" 'epa-verify-file)
 208     (define-key keymap "s" 'epa-sign-file)
 209     (define-key keymap "e" 'epa-encrypt-file)
 210     (define-key keymap "r" 'epa-delete-keys)
 211     (define-key keymap "i" 'epa-import-keys)
 212     (define-key keymap "o" 'epa-export-keys)
 213     (define-key keymap "g" 'revert-buffer)
 214     (define-key keymap "n" 'next-line)
 215     (define-key keymap "p" 'previous-line)
 216     (define-key keymap " " 'scroll-up)
 217     (define-key keymap [delete] 'scroll-down)
 218     (define-key keymap "q" 'epa-exit-buffer)
 219     (define-key keymap [menu-bar epa-key-list-mode] (cons "Keys" menu-map))
 220     (define-key menu-map [epa-key-list-unmark-key]
 221       '(menu-item "Unmark Key" epa-unmark-key
 222                   :help "Unmark a key"))
 223     (define-key menu-map [epa-key-list-mark-key]
 224       '(menu-item "Mark Key" epa-mark-key
 225                   :help "Mark a key"))
 226     (define-key menu-map [separator-epa-file] '(menu-item "--"))
 227     (define-key menu-map [epa-verify-file]
 228       '(menu-item "Verify File..." epa-verify-file
 229                   :help "Verify FILE"))
 230     (define-key menu-map [epa-sign-file]
 231       '(menu-item "Sign File..." epa-sign-file
 232                   :help "Sign FILE by SIGNERS keys selected"))
 233     (define-key menu-map [epa-decrypt-file]
 234       '(menu-item "Decrypt File..." epa-decrypt-file
 235                   :help "Decrypt FILE"))
 236     (define-key menu-map [epa-encrypt-file]
 237       '(menu-item "Encrypt File.." epa-encrypt-file
 238                   :help "Encrypt FILE for RECIPIENTS"))
 239     (define-key menu-map [separator-epa-key-list] '(menu-item "--"))
 240     (define-key menu-map [epa-key-list-delete-keys]
 241       '(menu-item "Delete keys" epa-delete-keys
 242                   :help "Delete Marked Keys"))
 243     (define-key menu-map [epa-key-list-import-keys]
 244       '(menu-item "Import Keys" epa-import-keys
 245                   :help "Import keys from a file"))
 246     (define-key menu-map [epa-key-list-export-keys]
 247       '(menu-item "Export Keys" epa-export-keys
 248                   :help "Export marked keys to a file"))
 249     keymap))
 250
 251 (defvar epa-key-mode-map
 252   (let ((keymap (make-sparse-keymap)))
 253     (define-key keymap "q" 'epa-exit-buffer)
 254     keymap))
 255
 256 (defvar epa-info-mode-map
 257   (let ((keymap (make-sparse-keymap)))
 258     (define-key keymap "q" 'delete-window)
 259     keymap))
 260
 261 (defvar epa-exit-buffer-function #'bury-buffer)
 262
 263 (define-widget 'epa-key 'push-button
 264   "Button for representing a epg-key object."
 265   :format "%[%v%]"
 266   :button-face-get 'epa--key-widget-button-face-get
 267   :value-create 'epa--key-widget-value-create
 268   :action 'epa--key-widget-action
 269   :help-echo 'epa--key-widget-help-echo)
 270
 271 (defun epa--key-widget-action (widget &optional event)
 272   (save-selected-window
 273     (epa--show-key (widget-get widget :value))))
 274
 275 (defun epa--key-widget-value-create (widget)
 276   (let* ((key (widget-get widget :value))
 277          (primary-sub-key (car (epg-key-sub-key-list key)))
 278          (primary-user-id (car (epg-key-user-id-list key))))
 279     (insert (format "%c "
 280                     (if (epg-sub-key-validity primary-sub-key)
 281                         (car (rassq (epg-sub-key-validity primary-sub-key)
 282                                     epg-key-validity-alist))
 283                       ? ))
 284             (epg-sub-key-id primary-sub-key)
 285             " "
 286             (if primary-user-id
 287                 (if (stringp (epg-user-id-string primary-user-id))
 288                     (epg-user-id-string primary-user-id)
 289                   (epg-decode-dn (epg-user-id-string primary-user-id)))
 290               ""))))
 291
 292 (defun epa--key-widget-button-face-get (widget)
 293   (let ((validity (epg-sub-key-validity (car (epg-key-sub-key-list
 294                                               (widget-get widget :value))))))
 295     (if validity
 296         (cdr (assq validity epa-validity-face-alist))
 297       'default)))
 298
 299 (defun epa--key-widget-help-echo (widget)
 300   (format "Show %s"
 301           (epg-sub-key-id (car (epg-key-sub-key-list
 302                                 (widget-get widget :value))))))
 303
 304 (eval-and-compile
 305   (if (fboundp 'encode-coding-string)
 306       (defalias 'epa--encode-coding-string 'encode-coding-string)
 307     (defalias 'epa--encode-coding-string 'identity)))
 308
 309 (eval-and-compile
 310   (if (fboundp 'decode-coding-string)
 311       (defalias 'epa--decode-coding-string 'decode-coding-string)
 312     (defalias 'epa--decode-coding-string 'identity)))
 313
 314 (defun epa-key-list-mode ()
 315   "Major mode for `epa-list-keys'."
 316   (kill-all-local-variables)
 317   (buffer-disable-undo)
 318   (setq major-mode 'epa-key-list-mode
 319         mode-name "Keys"
 320         truncate-lines t
 321         buffer-read-only t)
 322   (use-local-map epa-key-list-mode-map)
 323   (make-local-variable 'font-lock-defaults)
 324   (setq font-lock-defaults '(epa-font-lock-keywords t))
 325   ;; In XEmacs, auto-initialization of font-lock is not effective
 326   ;; if buffer-file-name is not set.
 327   (font-lock-set-defaults)
 328   (make-local-variable 'epa-exit-buffer-function)
 329   (make-local-variable 'revert-buffer-function)
 330   (setq revert-buffer-function 'epa--key-list-revert-buffer)
 331   (run-mode-hooks 'epa-key-list-mode-hook))
 332
 333 (defun epa-key-mode ()
 334   "Major mode for a key description."
 335   (kill-all-local-variables)
 336   (buffer-disable-undo)
 337   (setq major-mode 'epa-key-mode
 338         mode-name "Key"
 339         truncate-lines t
 340         buffer-read-only t)
 341   (use-local-map epa-key-mode-map)
 342   (make-local-variable 'font-lock-defaults)
 343   (setq font-lock-defaults '(epa-font-lock-keywords t))
 344   ;; In XEmacs, auto-initialization of font-lock is not effective
 345   ;; if buffer-file-name is not set.
 346   (font-lock-set-defaults)
 347   (make-local-variable 'epa-exit-buffer-function)
 348   (run-mode-hooks 'epa-key-mode-hook))
 349
 350 (defun epa-info-mode ()
 351   "Major mode for `epa-info-buffer'."
 352   (kill-all-local-variables)
 353   (buffer-disable-undo)
 354   (setq major-mode 'epa-info-mode
 355         mode-name "Info"
 356         truncate-lines t
 357         buffer-read-only t)
 358   (use-local-map epa-info-mode-map)
 359   (run-mode-hooks 'epa-info-mode-hook))
 360
 361 (defun epa-mark-key (&optional arg)
 362   "Mark a key on the current line.
 363 If ARG is non-nil, unmark the key."
 364   (interactive "P")
 365   (let ((inhibit-read-only t)
 366         buffer-read-only
 367         properties)
 368     (beginning-of-line)
 369     (unless (get-text-property (point) 'epa-key)
 370       (error "No key on this line"))
 371     (setq properties (text-properties-at (point)))
 372     (delete-char 1)
 373     (insert (if arg " " "*"))
 374     (set-text-properties (1- (point)) (point) properties)
 375     (forward-line)))
 376
 377 (defun epa-unmark-key (&optional arg)
 378   "Unmark a key on the current line.
 379 If ARG is non-nil, mark the key."
 380   (interactive "P")
 381   (epa-mark-key (not arg)))
 382
 383 (defun epa-exit-buffer ()
 384   "Exit the current buffer.
 385 `epa-exit-buffer-function' is called if it is set."
 386   (interactive)
 387   (funcall epa-exit-buffer-function))
 388
 389 (defun epa--insert-keys (keys)
 390   (save-excursion
 391     (save-restriction
 392       (narrow-to-region (point) (point))
 393       (let (point)
 394         (while keys
 395           (setq point (point))
 396           (insert "  ")
 397           (add-text-properties point (point)
 398                                (list 'epa-key (car keys)
 399                                      'front-sticky nil
 400                                      'rear-nonsticky t
 401                                      'start-open t
 402                                      'end-open t))
 403           (widget-create 'epa-key :value (car keys))
 404           (insert "\n")
 405           (setq keys (cdr keys))))
 406       (add-text-properties (point-min) (point-max)
 407                            (list 'epa-list-keys t
 408                                  'front-sticky nil
 409                                  'rear-nonsticky t
 410                                  'start-open t
 411                                  'end-open t)))))
 412
 413 (defun epa--list-keys (name secret)
 414   (unless (and epa-keys-buffer
 415                (buffer-live-p epa-keys-buffer))
 416     (setq epa-keys-buffer (generate-new-buffer "*Keys*")))
 417   (set-buffer epa-keys-buffer)
 418   (epa-key-list-mode)
 419   (let ((inhibit-read-only t)
 420         buffer-read-only
 421         (point (point-min))
 422         (context (epg-make-context epa-protocol)))
 423     (unless (get-text-property point 'epa-list-keys)
 424       (setq point (next-single-property-change point 'epa-list-keys)))
 425     (when point
 426       (delete-region point
 427                      (or (next-single-property-change point 'epa-list-keys)
 428                          (point-max)))
 429       (goto-char point))
 430     (epa--insert-keys (epg-list-keys context name secret))
 431     (widget-setup)
 432     (set-keymap-parent (current-local-map) widget-keymap))
 433   (make-local-variable 'epa-list-keys-arguments)
 434   (setq epa-list-keys-arguments (list name secret))
 435   (goto-char (point-min))
 436   (pop-to-buffer (current-buffer)))
 437
 438 ;;;###autoload
 439 (defun epa-list-keys (&optional name)
 440   "List all keys matched with NAME from the public keyring."
 441   (interactive
 442    (if current-prefix-arg
 443        (let ((name (read-string "Pattern: "
 444                                 (if epa-list-keys-arguments
 445                                     (car epa-list-keys-arguments)))))
 446          (list (if (equal name "") nil name)))
 447      (list nil)))
 448   (epa--list-keys name nil))
 449
 450 ;;;###autoload
 451 (defun epa-list-secret-keys (&optional name)
 452   "List all keys matched with NAME from the private keyring."
 453   (interactive
 454    (if current-prefix-arg
 455        (let ((name (read-string "Pattern: "
 456                                 (if epa-list-keys-arguments
 457                                     (car epa-list-keys-arguments)))))
 458          (list (if (equal name "") nil name)))
 459      (list nil)))
 460   (epa--list-keys name t))
 461
 462 (defun epa--key-list-revert-buffer (&optional ignore-auto noconfirm)
 463   (apply #'epa--list-keys epa-list-keys-arguments))
 464
 465 (defun epa--marked-keys ()
 466   (or (save-excursion
 467         (set-buffer epa-keys-buffer)
 468         (goto-char (point-min))
 469         (let (keys key)
 470           (while (re-search-forward "^\\*" nil t)
 471             (if (setq key (get-text-property (match-beginning 0)
 472                                              'epa-key))
 473                 (setq keys (cons key keys))))
 474           (nreverse keys)))
 475       (save-excursion
 476         (beginning-of-line)
 477         (let ((key (get-text-property (point) 'epa-key)))
 478           (if key
 479               (list key))))))
 480
 481 (defun epa--select-keys (prompt keys)
 482   (save-excursion
 483     (unless (and epa-keys-buffer
 484                  (buffer-live-p epa-keys-buffer))
 485       (setq epa-keys-buffer (generate-new-buffer "*Keys*")))
 486     (set-buffer epa-keys-buffer)
 487     (epa-key-list-mode)
 488     (let ((inhibit-read-only t)
 489           buffer-read-only)
 490       (erase-buffer)
 491       (insert prompt "\n"
 492               (substitute-command-keys "\
 493 - `\\[epa-mark-key]' to mark a key on the line
 494 - `\\[epa-unmark-key]' to unmark a key on the line\n"))
 495       (widget-create 'link
 496                      :notify (lambda (&rest ignore) (abort-recursive-edit))
 497                      :help-echo
 498                      (substitute-command-keys
 499                       "Click here or \\[abort-recursive-edit] to cancel")
 500                      "Cancel")
 501       (widget-create 'link
 502                      :notify (lambda (&rest ignore) (exit-recursive-edit))
 503                      :help-echo
 504                      (substitute-command-keys
 505                       "Click here or \\[exit-recursive-edit] to finish")
 506                      "OK")
 507       (insert "\n\n")
 508       (epa--insert-keys keys)
 509       (widget-setup)
 510       (set-keymap-parent (current-local-map) widget-keymap)
 511       (setq epa-exit-buffer-function #'abort-recursive-edit)
 512       (goto-char (point-min))
 513       (pop-to-buffer (current-buffer)))
 514     (unwind-protect
 515         (progn
 516           (recursive-edit)
 517           (epa--marked-keys))
 518       (if (get-buffer-window epa-keys-buffer)
 519           (delete-window (get-buffer-window epa-keys-buffer)))
 520       (kill-buffer epa-keys-buffer))))
 521
 522 ;;;###autoload
 523 (defun epa-select-keys (context prompt &optional names secret)
 524   "Display a user's keyring and ask him to select keys.
 525 CONTEXT is an epg-context.
 526 PROMPT is a string to prompt with.
 527 NAMES is a list of strings to be matched with keys.  If it is nil, all
 528 the keys are listed.
 529 If SECRET is non-nil, list secret keys instead of public keys."
 530   (let ((keys (epg-list-keys context names secret)))
 531     (epa--select-keys prompt keys)))
 532
 533 (defun epa--show-key (key)
 534   (let* ((primary-sub-key (car (epg-key-sub-key-list key)))
 535          (entry (assoc (epg-sub-key-id primary-sub-key)
 536                        epa-key-buffer-alist))
 537          (inhibit-read-only t)
 538          buffer-read-only
 539          pointer)
 540     (unless entry
 541       (setq entry (cons (epg-sub-key-id primary-sub-key) nil)
 542             epa-key-buffer-alist (cons entry epa-key-buffer-alist)))
 543     (unless (and (cdr entry)
 544                  (buffer-live-p (cdr entry)))
 545       (setcdr entry (generate-new-buffer
 546                      (format "*Key*%s" (epg-sub-key-id primary-sub-key)))))
 547     (set-buffer (cdr entry))
 548     (epa-key-mode)
 549     (make-local-variable 'epa-key)
 550     (setq epa-key key)
 551     (erase-buffer)
 552     (setq pointer (epg-key-user-id-list key))
 553     (while pointer
 554       (if (car pointer)
 555           (insert " "
 556                   (if (epg-user-id-validity (car pointer))
 557                       (char-to-string
 558                        (car (rassq (epg-user-id-validity (car pointer))
 559                                    epg-key-validity-alist)))
 560                     " ")
 561                   " "
 562                   (if (stringp (epg-user-id-string (car pointer)))
 563                       (epg-user-id-string (car pointer))
 564                     (epg-decode-dn (epg-user-id-string (car pointer))))
 565                   "\n"))
 566       (setq pointer (cdr pointer)))
 567     (setq pointer (epg-key-sub-key-list key))
 568     (while pointer
 569       (insert " "
 570               (if (epg-sub-key-validity (car pointer))
 571                   (char-to-string
 572                    (car (rassq (epg-sub-key-validity (car pointer))
 573                                epg-key-validity-alist)))
 574                 " ")
 575               " "
 576               (epg-sub-key-id (car pointer))
 577               " "
 578               (format "%dbits"
 579                       (epg-sub-key-length (car pointer)))
 580               " "
 581               (cdr (assq (epg-sub-key-algorithm (car pointer))
 582                          epg-pubkey-algorithm-alist))
 583               "\n\tCreated: "
 584               (condition-case nil
 585                   (format-time-string "%Y-%m-%d"
 586                                       (epg-sub-key-creation-time (car pointer)))
 587                 (error "????-??-??"))
 588               (if (epg-sub-key-expiration-time (car pointer))
 589                   (format (if (time-less-p (current-time)
 590                                            (epg-sub-key-expiration-time
 591                                             (car pointer)))
 592                               "\n\tExpires: %s"
 593                             "\n\tExpired: %s")
 594                           (condition-case nil
 595                               (format-time-string "%Y-%m-%d"
 596                                                   (epg-sub-key-expiration-time
 597                                                    (car pointer)))
 598                             (error "????-??-??")))
 599                 "")
 600               "\n\tCapabilities: "
 601               (mapconcat #'symbol-name
 602                          (epg-sub-key-capability (car pointer))
 603                          " ")
 604               "\n\tFingerprint: "
 605               (epg-sub-key-fingerprint (car pointer))
 606               "\n")
 607       (setq pointer (cdr pointer)))
 608     (goto-char (point-min))
 609     (pop-to-buffer (current-buffer))))
 610
 611 (defun epa-display-info (info)
 612   (if epa-popup-info-window
 613       (save-selected-window
 614         (unless (and epa-info-buffer (buffer-live-p epa-info-buffer))
 615           (setq epa-info-buffer (generate-new-buffer "*Info*")))
 616         (if (get-buffer-window epa-info-buffer)
 617             (delete-window (get-buffer-window epa-info-buffer)))
 618         (save-excursion
 619           (set-buffer epa-info-buffer)
 620           (let ((inhibit-read-only t)
 621                 buffer-read-only)
 622             (erase-buffer)
 623             (insert info))
 624           (epa-info-mode)
 625           (goto-char (point-min)))
 626         (if (> (window-height)
 627                epa-info-window-height)
 628             (set-window-buffer (split-window nil (- (window-height)
 629                                                     epa-info-window-height))
 630                                epa-info-buffer)
 631           (pop-to-buffer epa-info-buffer)
 632           (if (> (window-height) epa-info-window-height)
 633               (shrink-window (- (window-height) epa-info-window-height)))))
 634     (message "%s" info)))
 635
 636 (defun epa-display-verify-result (verify-result)
 637   (epa-display-info (epg-verify-result-to-string verify-result)))
 638 (make-obsolete 'epa-display-verify-result 'epa-display-info)
 639
 640 (defun epa-passphrase-callback-function (context key-id handback)
 641   (if (eq key-id 'SYM)
 642       (read-passwd "Passphrase for symmetric encryption: "
 643                    (eq (epg-context-operation context) 'encrypt))
 644     (read-passwd
 645      (if (eq key-id 'PIN)
 646         "Passphrase for PIN: "
 647        (let ((entry (assoc key-id epg-user-id-alist)))
 648          (if entry
 649              (format "Passphrase for %s %s: " key-id (cdr entry))
 650            (format "Passphrase for %s: " key-id)))))))
 651
 652 (defun epa-progress-callback-function (context what char current total
 653                                                handback)
 654   (message "%s%d%% (%d/%d)" (or handback
 655                                 (concat what ": "))
 656            (if (> total 0) (floor (* (/ current (float total)) 100)) 0)
 657            current total))
 658
 659 ;;;###autoload
 660 (defun epa-decrypt-file (file)
 661   "Decrypt FILE."
 662   (interactive "fFile: ")
 663   (setq file (expand-file-name file))
 664   (let* ((default-name (file-name-sans-extension file))
 665          (plain (expand-file-name
 666                  (read-file-name
 667                   (concat "To file (default "
 668                           (file-name-nondirectory default-name)
 669                           ") ")
 670                   (file-name-directory default-name)
 671                   default-name)))
 672          (context (epg-make-context epa-protocol)))
 673     (epg-context-set-passphrase-callback context
 674                                          #'epa-passphrase-callback-function)
 675     (epg-context-set-progress-callback context
 676                                        (cons
 677                                         #'epa-progress-callback-function
 678                                         (format "Decrypting %s..."
 679                                                 (file-name-nondirectory file))))
 680     (message "Decrypting %s..." (file-name-nondirectory file))
 681     (epg-decrypt-file context file plain)
 682     (message "Decrypting %s...wrote %s" (file-name-nondirectory file)
 683              (file-name-nondirectory plain))
 684     (if (epg-context-result-for context 'verify)
 685         (epa-display-info (epg-verify-result-to-string
 686                            (epg-context-result-for context 'verify))))))
 687
 688 ;;;###autoload
 689 (defun epa-verify-file (file)
 690   "Verify FILE."
 691   (interactive "fFile: ")
 692   (setq file (expand-file-name file))
 693   (let* ((context (epg-make-context epa-protocol))
 694          (plain (if (equal (file-name-extension file) "sig")
 695                     (file-name-sans-extension file))))
 696     (epg-context-set-progress-callback context
 697                                        (cons
 698                                         #'epa-progress-callback-function
 699                                         (format "Verifying %s..."
 700                                                 (file-name-nondirectory file))))
 701     (message "Verifying %s..." (file-name-nondirectory file))
 702     (epg-verify-file context file plain)
 703     (message "Verifying %s...done" (file-name-nondirectory file))
 704     (if (epg-context-result-for context 'verify)
 705         (epa-display-info (epg-verify-result-to-string
 706                            (epg-context-result-for context 'verify))))))
 707
 708 (defun epa--read-signature-type ()
 709   (let (type c)
 710     (while (null type)
 711       (message "Signature type (n,c,d,?) ")
 712       (setq c (read-char))
 713       (cond ((eq c ?c)
 714              (setq type 'clear))
 715             ((eq c ?d)
 716              (setq type 'detached))
 717             ((eq c ??)
 718              (with-output-to-temp-buffer "*Help*"
 719                (save-excursion
 720                  (set-buffer standard-output)
 721                  (insert "\
 722 n - Create a normal signature
 723 c - Create a cleartext signature
 724 d - Create a detached signature
 725 ? - Show this help
 726 "))))
 727             (t
 728              (setq type 'normal))))))
 729
 730 ;;;###autoload
 731 (defun epa-sign-file (file signers mode)
 732   "Sign FILE by SIGNERS keys selected."
 733   (interactive
 734    (let ((verbose current-prefix-arg))
 735      (list (expand-file-name (read-file-name "File: "))
 736            (if verbose
 737                (epa-select-keys (epg-make-context epa-protocol)
 738                                 "Select keys for signing.
 739 If no one is selected, default secret key is used.  "
 740                                 nil t))
 741            (if verbose
 742                (epa--read-signature-type)
 743              'clear))))
 744   (let ((signature (concat file
 745                            (if (eq epa-protocol 'OpenPGP)
 746                                (if (or epa-armor
 747                                        (not (memq mode
 748                                                   '(nil t normal detached))))
 749                                    ".asc"
 750                                  (if (memq mode '(t detached))
 751                                      ".sig"
 752                                    ".gpg"))
 753                              (if (memq mode '(t detached))
 754                                  ".p7s"
 755                                ".p7m"))))
 756         (context (epg-make-context epa-protocol)))
 757     (epg-context-set-armor context epa-armor)
 758     (epg-context-set-textmode context epa-textmode)
 759     (epg-context-set-signers context signers)
 760     (epg-context-set-passphrase-callback context
 761                                          #'epa-passphrase-callback-function)
 762     (epg-context-set-progress-callback context
 763                                        (cons
 764                                         #'epa-progress-callback-function
 765                                         (format "Signing %s..."
 766                                                 (file-name-nondirectory file))))
 767     (message "Signing %s..." (file-name-nondirectory file))
 768     (epg-sign-file context file signature mode)
 769     (message "Signing %s...wrote %s" (file-name-nondirectory file)
 770              (file-name-nondirectory signature))))
 771
 772 ;;;###autoload
 773 (defun epa-encrypt-file (file recipients)
 774   "Encrypt FILE for RECIPIENTS."
 775   (interactive
 776    (list (expand-file-name (read-file-name "File: "))
 777          (epa-select-keys (epg-make-context epa-protocol)
 778                           "Select recipients for encryption.
 779 If no one is selected, symmetric encryption will be performed.  ")))
 780   (let ((cipher (concat file (if (eq epa-protocol 'OpenPGP)
 781                                  (if epa-armor ".asc" ".gpg")
 782                                ".p7m")))
 783         (context (epg-make-context epa-protocol)))
 784     (epg-context-set-armor context epa-armor)
 785     (epg-context-set-textmode context epa-textmode)
 786     (epg-context-set-passphrase-callback context
 787                                          #'epa-passphrase-callback-function)
 788     (epg-context-set-progress-callback context
 789                                        (cons
 790                                         #'epa-progress-callback-function
 791                                         (format "Encrypting %s..."
 792                                                 (file-name-nondirectory file))))
 793     (message "Encrypting %s..." (file-name-nondirectory file))
 794     (epg-encrypt-file context file recipients cipher)
 795     (message "Encrypting %s...wrote %s" (file-name-nondirectory file)
 796              (file-name-nondirectory cipher))))
 797
 798 ;;;###autoload
 799 (defun epa-decrypt-region (start end)
 800   "Decrypt the current region between START and END.
 801
 802 Don't use this command in Lisp programs!
 803 Since this function operates on regions, it does some tricks such
 804 as coding-system detection and unibyte/multibyte conversion.  If
 805 you are sure how the data in the region should be treated, you
 806 should consider using the string based counterpart
 807 `epg-decrypt-string', or the file based counterpart
 808 `epg-decrypt-file' instead.
 809
 810 For example:
 811
 812 \(let ((context (epg-make-context 'OpenPGP)))
 813   (decode-coding-string
 814     (epg-decrypt-string context (buffer-substring start end))
 815     'utf-8))"
 816   (interactive "r")
 817   (save-excursion
 818     (let ((context (epg-make-context epa-protocol))
 819           plain)
 820       (epg-context-set-passphrase-callback context
 821                                            #'epa-passphrase-callback-function)
 822       (epg-context-set-progress-callback context
 823                                          (cons
 824                                           #'epa-progress-callback-function
 825                                           "Decrypting..."))
 826       (message "Decrypting...")
 827       (setq plain (epg-decrypt-string context (buffer-substring start end)))
 828       (message "Decrypting...done")
 829       (setq plain (epa--decode-coding-string
 830                    plain
 831                    (or coding-system-for-read
 832                        (get-text-property start 'epa-coding-system-used))))
 833       (if (y-or-n-p "Replace the original text? ")
 834           (let ((inhibit-read-only t)
 835                 buffer-read-only)
 836             (delete-region start end)
 837             (goto-char start)
 838             (insert plain))
 839         (with-output-to-temp-buffer "*Temp*"
 840           (set-buffer standard-output)
 841           (insert plain)
 842           (epa-info-mode)))
 843       (if (epg-context-result-for context 'verify)
 844           (epa-display-info (epg-verify-result-to-string
 845                              (epg-context-result-for context 'verify)))))))
 846
 847 (defun epa--find-coding-system-for-mime-charset (mime-charset)
 848   (if (featurep 'xemacs)
 849       (if (fboundp 'find-coding-system)
 850           (find-coding-system mime-charset))
 851     (let ((pointer (coding-system-list)))
 852       (while (and pointer
 853                   (eq (coding-system-get (car pointer) 'mime-charset)
 854                       mime-charset))
 855         (setq pointer (cdr pointer)))
 856       pointer)))
 857
 858 ;;;###autoload
 859 (defun epa-decrypt-armor-in-region (start end)
 860   "Decrypt OpenPGP armors in the current region between START and END.
 861
 862 Don't use this command in Lisp programs!
 863 See the reason described in the `epa-decrypt-region' documentation."
 864   (interactive "r")
 865   (save-excursion
 866     (save-restriction
 867       (narrow-to-region start end)
 868       (goto-char start)
 869       (let (armor-start armor-end)
 870         (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t)
 871           (setq armor-start (match-beginning 0)
 872                 armor-end (re-search-forward "^-----END PGP MESSAGE-----$"
 873                                              nil t))
 874           (unless armor-end
 875             (error "No armor tail"))
 876           (goto-char armor-start)
 877           (let ((coding-system-for-read
 878                  (or coding-system-for-read
 879                      (if (re-search-forward "^Charset: \\(.*\\)" armor-end t)
 880                          (epa--find-coding-system-for-mime-charset
 881                           (intern (downcase (match-string 1))))))))
 882             (goto-char armor-end)
 883             (epa-decrypt-region armor-start armor-end)))))))
 884
 885 ;;;###autoload
 886 (defun epa-verify-region (start end)
 887   "Verify the current region between START and END.
 888
 889 Don't use this command in Lisp programs!
 890 Since this function operates on regions, it does some tricks such
 891 as coding-system detection and unibyte/multibyte conversion.  If
 892 you are sure how the data in the region should be treated, you
 893 should consider using the string based counterpart
 894 `epg-verify-string', or the file based counterpart
 895 `epg-verify-file' instead.
 896
 897 For example:
 898
 899 \(let ((context (epg-make-context 'OpenPGP)))
 900   (decode-coding-string
 901     (epg-verify-string context (buffer-substring start end))
 902     'utf-8))"
 903   (interactive "r")
 904   (let ((context (epg-make-context epa-protocol))
 905         plain)
 906     (epg-context-set-progress-callback context
 907                                        (cons
 908                                         #'epa-progress-callback-function
 909                                         "Verifying..."))
 910     (message "Verifying...")
 911     (setq plain (epg-verify-string
 912                  context
 913                  (epa--encode-coding-string
 914                   (buffer-substring start end)
 915                   (or coding-system-for-write
 916                       (get-text-property start 'epa-coding-system-used)))))
 917     (message "Verifying...done")
 918     (setq plain (epa--decode-coding-string
 919                  plain
 920                  (or coding-system-for-read
 921                      (get-text-property start 'epa-coding-system-used))))
 922     (if (y-or-n-p "Replace the original text? ")
 923         (let ((inhibit-read-only t)
 924               buffer-read-only)
 925           (delete-region start end)
 926           (goto-char start)
 927           (insert plain))
 928       (with-output-to-temp-buffer "*Temp*"
 929         (set-buffer standard-output)
 930         (insert plain)
 931         (epa-info-mode)))
 932     (if (epg-context-result-for context 'verify)
 933         (epa-display-info (epg-verify-result-to-string
 934                            (epg-context-result-for context 'verify))))))
 935
 936 ;;;###autoload
 937 (defun epa-verify-cleartext-in-region (start end)
 938   "Verify OpenPGP cleartext signed messages in the current region
 939 between START and END.
 940
 941 Don't use this command in Lisp programs!
 942 See the reason described in the `epa-verify-region' documentation."
 943   (interactive "r")
 944   (save-excursion
 945     (save-restriction
 946       (narrow-to-region start end)
 947       (goto-char start)
 948       (let (cleartext-start cleartext-end)
 949         (while (re-search-forward "-----BEGIN PGP SIGNED MESSAGE-----$"
 950                                   nil t)
 951           (setq cleartext-start (match-beginning 0))
 952           (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$"
 953                                            nil t)
 954             (error "Invalid cleartext signed message"))
 955           (setq cleartext-end (re-search-forward
 956                            "^-----END PGP SIGNATURE-----$"
 957                            nil t))
 958           (unless cleartext-end
 959             (error "No cleartext tail"))
 960           (epa-verify-region cleartext-start cleartext-end))))))
 961
 962 (eval-and-compile
 963   (if (fboundp 'select-safe-coding-system)
 964       (defalias 'epa--select-safe-coding-system 'select-safe-coding-system)
 965     (defun epa--select-safe-coding-system (from to)
 966       buffer-file-coding-system)))
 967
 968 ;;;###autoload
 969 (defun epa-sign-region (start end signers mode)
 970   "Sign the current region between START and END by SIGNERS keys selected.
 971
 972 Don't use this command in Lisp programs!
 973 Since this function operates on regions, it does some tricks such
 974 as coding-system detection and unibyte/multibyte conversion.  If
 975 you are sure how the data should be treated, you should consider
 976 using the string based counterpart `epg-sign-string', or the file
 977 based counterpart `epg-sign-file' instead.
 978
 979 For example:
 980
 981 \(let ((context (epg-make-context 'OpenPGP)))
 982   (epg-sign-string
 983     context
 984     (encode-coding-string (buffer-substring start end) 'utf-8)))"
 985   (interactive
 986    (let ((verbose current-prefix-arg))
 987      (setq epa-last-coding-system-specified
 988            (or coding-system-for-write
 989                (epa--select-safe-coding-system
 990                 (region-beginning) (region-end))))
 991      (list (region-beginning) (region-end)
 992            (if verbose
 993                (epa-select-keys (epg-make-context epa-protocol)
 994                                 "Select keys for signing.
 995 If no one is selected, default secret key is used.  "
 996                                 nil t))
 997            (if verbose
 998                (epa--read-signature-type)
 999              'clear))))
1000   (save-excursion
1001     (let ((context (epg-make-context epa-protocol))
1002           signature)
1003       ;;(epg-context-set-armor context epa-armor)
1004       (epg-context-set-armor context t)
1005       ;;(epg-context-set-textmode context epa-textmode)
1006       (epg-context-set-textmode context t)
1007       (epg-context-set-signers context signers)
1008       (epg-context-set-passphrase-callback context
1009                                            #'epa-passphrase-callback-function)
1010       (epg-context-set-progress-callback context
1011                                          (cons
1012                                           #'epa-progress-callback-function
1013                                           "Signing..."))
1014       (message "Signing...")
1015       (setq signature (epg-sign-string context
1016                                        (epa--encode-coding-string
1017                                         (buffer-substring start end)
1018                                         epa-last-coding-system-specified)
1019                                        mode))
1020       (message "Signing...done")
1021       (delete-region start end)
1022       (goto-char start)
1023       (add-text-properties (point)
1024                            (progn
1025                              (insert (epa--decode-coding-string
1026                                       signature
1027                                       (or coding-system-for-read
1028                                           epa-last-coding-system-specified)))
1029                              (point))
1030                            (list 'epa-coding-system-used
1031                                  epa-last-coding-system-specified
1032                                  'front-sticky nil
1033                                  'rear-nonsticky t
1034                                  'start-open t
1035                                  'end-open t)))))
1036
1037 (eval-and-compile
1038   (if (fboundp 'derived-mode-p)
1039       (defalias 'epa--derived-mode-p 'derived-mode-p)
1040     (defun epa--derived-mode-p (&rest modes)
1041       "Non-nil if the current major mode is derived from one of MODES.
1042 Uses the `derived-mode-parent' property of the symbol to trace backwards."
1043       (let ((parent major-mode))
1044         (while (and (not (memq parent modes))
1045                     (setq parent (get parent 'derived-mode-parent))))
1046         parent))))
1047
1048 ;;;###autoload
1049 (defun epa-encrypt-region (start end recipients sign signers)
1050   "Encrypt the current region between START and END for RECIPIENTS.
1051
1052 Don't use this command in Lisp programs!
1053 Since this function operates on regions, it does some tricks such
1054 as coding-system detection and unibyte/multibyte conversion.  If
1055 you are sure how the data should be treated, you should consider
1056 using the string based counterpart `epg-encrypt-string', or the
1057 file based counterpart `epg-encrypt-file' instead.
1058
1059 For example:
1060
1061 \(let ((context (epg-make-context 'OpenPGP)))
1062   (epg-encrypt-string
1063     context
1064     (encode-coding-string (buffer-substring start end) 'utf-8)
1065     nil))"
1066   (interactive
1067    (let ((verbose current-prefix-arg)
1068          (context (epg-make-context epa-protocol))
1069          sign)
1070      (setq epa-last-coding-system-specified
1071            (or coding-system-for-write
1072                (epa--select-safe-coding-system
1073                 (region-beginning) (region-end))))
1074      (list (region-beginning) (region-end)
1075            (epa-select-keys context
1076                             "Select recipients for encryption.
1077 If no one is selected, symmetric encryption will be performed.  ")
1078            (setq sign (if verbose (y-or-n-p "Sign? ")))
1079            (if sign
1080                (epa-select-keys context
1081                                 "Select keys for signing.  ")))))
1082   (save-excursion
1083     (let ((context (epg-make-context epa-protocol))
1084           cipher)
1085       ;;(epg-context-set-armor context epa-armor)
1086       (epg-context-set-armor context t)
1087       ;;(epg-context-set-textmode context epa-textmode)
1088       (epg-context-set-textmode context t)
1089       (if sign
1090           (epg-context-set-signers context signers))
1091       (epg-context-set-passphrase-callback context
1092                                            #'epa-passphrase-callback-function)
1093       (epg-context-set-progress-callback context
1094                                          (cons
1095                                           #'epa-progress-callback-function
1096                                           "Encrypting..."))
1097       (message "Encrypting...")
1098       (setq cipher (epg-encrypt-string context
1099                                        (epa--encode-coding-string
1100                                         (buffer-substring start end)
1101                                         epa-last-coding-system-specified)
1102                                        recipients
1103                                        sign))
1104       (message "Encrypting...done")
1105       (delete-region start end)
1106       (goto-char start)
1107       (add-text-properties (point)
1108                            (progn
1109                              (insert cipher)
1110                              (point))
1111                            (list 'epa-coding-system-used
1112                                  epa-last-coding-system-specified
1113                                  'front-sticky nil
1114                                  'rear-nonsticky t
1115                                  'start-open t
1116                                  'end-open t)))))
1117
1118 ;;;###autoload
1119 (defun epa-delete-keys (keys &optional allow-secret)
1120   "Delete selected KEYS."
1121   (interactive
1122    (let ((keys (epa--marked-keys)))
1123      (unless keys
1124        (error "No keys selected"))
1125      (list keys
1126            (eq (nth 1 epa-list-keys-arguments) t))))
1127   (let ((context (epg-make-context epa-protocol)))
1128     (message "Deleting...")
1129     (epg-delete-keys context keys allow-secret)
1130     (message "Deleting...done")
1131     (apply #'epa--list-keys epa-list-keys-arguments)))
1132
1133 ;;;###autoload
1134 (defun epa-import-keys (file)
1135   "Import keys from FILE."
1136   (interactive "fFile: ")
1137   (setq file (expand-file-name file))
1138   (let ((context (epg-make-context epa-protocol)))
1139     (message "Importing %s..." (file-name-nondirectory file))
1140     (condition-case nil
1141         (progn
1142           (epg-import-keys-from-file context file)
1143           (message "Importing %s...done" (file-name-nondirectory file)))
1144       (error
1145        (message "Importing %s...failed" (file-name-nondirectory file))))
1146     (if (epg-context-result-for context 'import)
1147         (epa-display-info (epg-import-result-to-string
1148                            (epg-context-result-for context 'import))))
1149     (if (eq major-mode 'epa-key-list-mode)
1150         (apply #'epa--list-keys epa-list-keys-arguments))))
1151
1152 ;;;###autoload
1153 (defun epa-import-keys-region (start end)
1154   "Import keys from the region."
1155   (interactive "r")
1156   (let ((context (epg-make-context epa-protocol)))
1157     (message "Importing...")
1158     (condition-case nil
1159         (progn
1160           (epg-import-keys-from-string context (buffer-substring start end))
1161           (message "Importing...done"))
1162       (error
1163        (message "Importing...failed")))
1164     (if (epg-context-result-for context 'import)
1165         (epa-display-info (epg-import-result-to-string
1166                            (epg-context-result-for context 'import))))))
1167
1168 ;;;###autoload
1169 (defun epa-import-armor-in-region (start end)
1170   "Import keys in the OpenPGP armor format in the current region
1171 between START and END."
1172   (interactive "r")
1173   (save-excursion
1174     (save-restriction
1175       (narrow-to-region start end)
1176       (goto-char start)
1177       (let (armor-start armor-end)
1178         (while (re-search-forward
1179                 "-----BEGIN \\(PGP \\(PUBLIC\\|PRIVATE\\) KEY BLOCK\\)-----$"
1180                 nil t)
1181           (setq armor-start (match-beginning 0)
1182                 armor-end (re-search-forward
1183                            (concat "^-----END " (match-string 1) "-----$")
1184                            nil t))
1185           (unless armor-end
1186             (error "No armor tail"))
1187           (epa-import-keys-region armor-start armor-end))))))
1188
1189 ;;;###autoload
1190 (defun epa-export-keys (keys file)
1191   "Export selected KEYS to FILE."
1192   (interactive
1193    (let ((keys (epa--marked-keys))
1194          default-name)
1195      (unless keys
1196        (error "No keys selected"))
1197      (setq default-name
1198            (expand-file-name
1199             (concat (epg-sub-key-id (car (epg-key-sub-key-list (car keys))))
1200                     (if epa-armor ".asc" ".gpg"))
1201             default-directory))
1202      (list keys
1203            (expand-file-name
1204             (read-file-name
1205              (concat "To file (default "
1206                      (file-name-nondirectory default-name)
1207                      ") ")
1208              (file-name-directory default-name)
1209              default-name)))))
1210   (let ((context (epg-make-context epa-protocol)))
1211     (epg-context-set-armor context epa-armor)
1212     (message "Exporting to %s..." (file-name-nondirectory file))
1213     (epg-export-keys-to-file context keys file)
1214     (message "Exporting to %s...done" (file-name-nondirectory file))))
1215
1216 ;;;###autoload
1217 (defun epa-insert-keys (keys)
1218   "Insert selected KEYS after the point."
1219   (interactive
1220    (list (epa-select-keys (epg-make-context epa-protocol)
1221                           "Select keys to export.  ")))
1222   (let ((context (epg-make-context epa-protocol)))
1223     ;;(epg-context-set-armor context epa-armor)
1224     (epg-context-set-armor context t)
1225     (insert (epg-export-keys-to-string context keys))))
1226
1227 ;; (defun epa-sign-keys (keys &optional local)
1228 ;;   "Sign selected KEYS.
1229 ;; If a prefix-arg is specified, the signature is marked as non exportable.
1230
1231 ;; Don't use this command in Lisp programs!"
1232 ;;   (interactive
1233 ;;    (let ((keys (epa--marked-keys)))
1234 ;;      (unless keys
1235 ;;        (error "No keys selected"))
1236 ;;      (list keys current-prefix-arg)))
1237 ;;   (let ((context (epg-make-context epa-protocol)))
1238 ;;     (epg-context-set-passphrase-callback context
1239 ;;                                       #'epa-passphrase-callback-function)
1240 ;;     (epg-context-set-progress-callback context
1241 ;;                                     (cons
1242 ;;                                      #'epa-progress-callback-function
1243 ;;                                      "Signing keys..."))
1244 ;;     (message "Signing keys...")
1245 ;;     (epg-sign-keys context keys local)
1246 ;;     (message "Signing keys...done")))
1247 ;; (make-obsolete 'epa-sign-keys "Do not use.")
1248
1249 (provide 'epa)
1250
1251 ;; arch-tag: 38d20ced-20d5-4137-b17a-f206335423d7
1252 ;;; epa.el ends here