+ (point (point-min))
+ (context (epg-make-context protocol)))
+ (unless (get-text-property point 'epa-list-keys)
+ (setq point (next-single-property-change point 'epa-list-keys)))
+ (when point
+ (delete-region point
+ (or (next-single-property-change point 'epa-list-keys)
+ (point-max)))
+ (goto-char point))
+ (epa-insert-keys context name mode)
+ (epa-keys-mode))
+ (make-local-variable 'epa-list-keys-arguments)
+ (setq epa-list-keys-arguments (list name mode protocol))
+ (goto-char (point-min))
+ (pop-to-buffer (current-buffer)))
+
+(defun epa-insert-keys (context name mode)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (let ((keys (epg-list-keys context name mode))
+ point)
+ (while keys
+ (setq point (point))
+ (insert " ")
+ (put-text-property point (point) 'epa-key (car keys))
+ (widget-create 'epa-key :value (car keys))
+ (insert "\n")
+ (setq keys (cdr keys))))
+ (put-text-property (point-min) (point-max) 'epa-list-keys t))))
+
+(defun epa-marked-keys ()
+ (or (save-excursion
+ (set-buffer epa-keys-buffer)
+ (goto-char (point-min))
+ (let (keys key)
+ (while (re-search-forward "^\\*" nil t)
+ (if (setq key (get-text-property (match-beginning 0)
+ 'epa-key))
+ (setq keys (cons key keys))))
+ (nreverse keys)))
+ (save-excursion
+ (beginning-of-line)
+ (let ((key (get-text-property (point) 'epa-key)))
+ (if key
+ (list key))))))
+
+;;;###autoload
+(defun epa-select-keys (context prompt &optional names secret)
+ "Display a user's keyring and ask him to select keys.
+CONTEXT is an epg-context.
+PROMPT is a string to prompt with.
+NAMES is a list of strings to be matched with keys. If it is nil, all
+the keys are listed.
+If SECRET is non-nil, list secret keys instead of public keys."
+ (save-excursion
+ (unless (and epa-keys-buffer
+ (buffer-live-p epa-keys-buffer))
+ (setq epa-keys-buffer (generate-new-buffer "*Keys*")))
+ (let ((inhibit-read-only t)
+ buffer-read-only
+ point)
+ (set-buffer epa-keys-buffer)
+ (erase-buffer)
+ (insert prompt "\n")
+ (widget-create 'link
+ :notify (lambda (&rest ignore) (abort-recursive-edit))
+ :help-echo
+ (substitute-command-keys
+ "Click here or \\[abort-recursive-edit] to cancel")
+ "Cancel")
+ (widget-create 'link
+ :notify (lambda (&rest ignore) (exit-recursive-edit))
+ :help-echo
+ (substitute-command-keys
+ "Click here or \\[exit-recursive-edit] to finish")
+ "OK")
+ (insert "\n\n")
+ (if names
+ (while names
+ (setq point (point))
+ (epa-insert-keys context (car names) secret)
+ (goto-char point)
+ (epa-mark)
+ (goto-char (point-max))
+ (setq names (cdr names)))
+ (epa-insert-keys context nil secret))
+ (epa-keys-mode)
+ (setq epa-exit-buffer-function #'abort-recursive-edit)
+ (goto-char (point-min))
+ (pop-to-buffer (current-buffer)))
+ (unwind-protect
+ (progn
+ (recursive-edit)
+ (epa-marked-keys))
+ (if (get-buffer-window epa-keys-buffer)
+ (delete-window (get-buffer-window epa-keys-buffer)))
+ (kill-buffer epa-keys-buffer))))
+
+(defun epa-show-key (key)
+ (let* ((primary-sub-key (car (epg-key-sub-key-list key)))
+ (entry (assoc (epg-sub-key-id primary-sub-key)
+ epa-key-buffer-alist))
+ (inhibit-read-only t)
+ buffer-read-only
+ pointer)
+ (unless entry
+ (setq entry (cons (epg-sub-key-id primary-sub-key) nil)
+ epa-key-buffer-alist (cons entry epa-key-buffer-alist)))
+ (unless (and (cdr entry)
+ (buffer-live-p (cdr entry)))
+ (setcdr entry (generate-new-buffer
+ (format "*Key*%s" (epg-sub-key-id primary-sub-key)))))
+ (set-buffer (cdr entry))
+ (make-local-variable 'epa-key)
+ (setq epa-key key)