-;;; epa.el --- EasyPG Assistant, GUI of EasyPG
+;;; epa.el --- the EasyPG Assistant
;; Copyright (C) 2006 Daiki Ueno
;; Author: Daiki Ueno <ueno@unixuser.org>
(eval-when-compile (require 'wid-edit))
(defgroup epa nil
- "EasyPG Assistant, GUI of EasyPG."
+ "The EasyPG Assistant"
:group 'epg)
(defgroup epa-faces nil
(3 . ?s)
(16 . ?g)
(17 . ?D)
- (20 . G)))
+ (20 . ?G)))
(defvar epa-keys-buffer nil)
(defvar epa-key-buffer-alist nil)
(let ((keymap (make-sparse-keymap)))
(define-key keymap "m" 'epa-mark)
(define-key keymap "u" 'epa-unmark)
+ (define-key keymap "d" 'epa-decrypt-file)
+ (define-key keymap "v" 'epa-verify-file)
+ (define-key keymap "s" 'epa-sign-file)
+ (define-key keymap "e" 'epa-encrypt-file)
(define-key keymap "n" 'next-line)
(define-key keymap "p" 'previous-line)
(define-key keymap " " 'scroll-up)
(widget-create 'link
:tag (epg-sub-key-id primary-sub-key)
:notify 'epa-show-key-notify
+ :help-echo
+ (format "Show key %s"
+ (epg-sub-key-id primary-sub-key))
(car keys))
(insert " " (epg-user-id-name primary-user-id) "\n")
(put-text-property point (point) 'epa-key (car keys))
(setq keys (cdr keys)))))
(defun epa-select-keys (prompt &optional names)
- (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\n"
- (substitute-command-keys "\\[exit-recursive-edit] to exit.")
- "\n\n")
- (if names
- (while names
- (setq point (point))
- (epa-list-keys-1 (car names))
- (goto-char point)
- (epa-mark)
- (goto-char (point-max))
- (setq names (cdr names)))
- (epa-list-keys-1 nil))
- (epa-keys-mode)
- (goto-char (point-min))
- (pop-to-buffer (current-buffer))
- (unwind-protect
- (progn
- (recursive-edit)
- (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))))
- (if (get-buffer-window epa-keys-buffer)
- (delete-window (get-buffer-window epa-keys-buffer)))
- (kill-buffer epa-keys-buffer))))
+ (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) (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-list-keys-1 (car names))
+ (goto-char point)
+ (epa-mark)
+ (goto-char (point-max))
+ (setq names (cdr names)))
+ (epa-list-keys-1 nil))
+ (epa-keys-mode)
+ (goto-char (point-min))
+ (pop-to-buffer (current-buffer))
+ (unwind-protect
+ (progn
+ (recursive-edit)
+ (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))))
+ (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)))
(interactive "P")
(epa-mark (not arg)))
+(defun epa-decrypt-file (file)
+ (interactive "fFile: ")
+ (let* ((default-name (file-name-sans-extension file))
+ (plain (expand-file-name
+ (read-file-name
+ (concat "To file (default "
+ (file-name-nondirectory default-name)
+ ") ")
+ (file-name-directory default-name)
+ default-name)))
+ (context (epg-make-context)))
+ (message "Decrypting %s..." (file-name-nondirectory file))
+ (epg-decrypt-file context file plain)
+ (message "Decrypting %s...done" (file-name-nondirectory file))))
+
+(defun epa-verify-file (file)
+ (interactive "fFile: ")
+ (let* ((context (epg-make-context))
+ (plain (if (equal (file-name-extension file) "sig")
+ (file-name-sans-extension file)))
+ signature)
+ (message "Verifying %s..." (file-name-nondirectory file))
+ (epg-verify-file context file plain)
+ (setq signature (reverse (epg-context-result-for context 'verify)))
+ (with-output-to-temp-buffer "*epa-verify-file*"
+ (set-buffer standard-output)
+ (while signature
+ (insert (format "%s: %s %s %s\n"
+ (epg-signature-status (car signature))
+ (epg-signature-key-id (car signature))
+ (epg-signature-user-id (car signature))
+ (epg-signature-validity (car signature))))
+ (setq signature (cdr signature))))
+ (shrink-window-if-larger-than-buffer
+ (get-buffer-window "*epa-verify-file*"))
+ (message "Verifying %s...done" (file-name-nondirectory file))))
+
+(defun epa-sign-file (file detached)
+ (interactive
+ (list (expand-file-name (read-file-name "File: "))
+ (y-or-n-p "Make a detached signature? ")))
+ (let ((signature (concat file (if detached ".sig" ".gpg")))
+ (context (epg-make-context)))
+ (message "Signing %s..." (file-name-nondirectory file))
+ (epg-sign-file context file signature (not (null detached)))
+ (message "Signing %s...done" (file-name-nondirectory file))))
+
+(defun epa-encrypt-file (file recipients)
+ (interactive
+ (list (expand-file-name (read-file-name "File: "))
+ (mapcar (lambda (key)
+ (epg-sub-key-id
+ (car (epg-key-sub-key-list key))))
+ (epa-select-keys "Select recipents for encryption.
+If no one is selected, symmetric encryption will be performed. "))))
+ (let ((cipher (concat file ".gpg"))
+ (context (epg-make-context)))
+ (message "Encrypting %s..." (file-name-nondirectory file))
+ (epg-encrypt-file context
+ file
+ recipients
+ cipher)
+ (message "Encrypting %s...done" (file-name-nondirectory file))))
+
(provide 'epa)
;;; epa.el ends here