Import No Gnus v0.4.
[elisp/gnus.git-] / lisp / pgg-pgp5.el
index 372cf48..75c96e5 100644 (file)
@@ -1,6 +1,7 @@
 ;;; pgg-pgp5.el --- PGP 5.* support for PGG.
 
-;; Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
+;;   2005, 2006 Free Software Foundation, Inc.
 
 ;; Author: Daiki Ueno <ueno@unixuser.org>
 ;; Created: 1999/11/02
@@ -20,8 +21,8 @@
 
 ;; You should have received a copy of the GNU General Public License
 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
 
 ;;; Code:
 
@@ -30,7 +31,7 @@
   (require 'pgg))
 
 (defgroup pgg-pgp5 ()
-  "PGP 5.* interface"
+  "PGP 5.* interface."
   :group 'pgg)
 
 (defcustom pgg-pgp5-pgpe-program "pgpe"
@@ -142,41 +143,51 @@ Bourne shell or its equivalent \(not tcsh) is needed for \"2>\"."
                 (buffer-substring (match-end 0)(progn (end-of-line)(point)))))
         2)))))
 
-(defun pgg-pgp5-encrypt-region (start end recipients &optional sign)
+(defun pgg-pgp5-encrypt-region (start end recipients &optional sign passphrase)
   "Encrypt the current region between START and END."
   (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
+        (passphrase (or passphrase
+                        (when sign
+                          (pgg-read-passphrase
+                           (format "PGP passphrase for %s: "
+                                   pgg-pgp5-user-id)
+                           pgg-pgp5-user-id))))
         (args
-         `("+NoBatchInvalidKeys=off" "-fat" "+batchmode=1"
-           ,@(if recipients
-                 (apply #'append
-                        (mapcar (lambda (rcpt)
-                                  (list "-r"
-                                        (concat "\"" rcpt "\"")))
-                                (append recipients
-                                        (if pgg-encrypt-for-me
-                                            (list pgg-pgp5-user-id)))))))))
+         (append
+          `("+NoBatchInvalidKeys=off" "-fat" "+batchmode=1"
+            ,@(if recipients
+                  (apply #'append
+                         (mapcar (lambda (rcpt)
+                                   (list "-r"
+                                         (concat "\"" rcpt "\"")))
+                                 (append recipients
+                                         (if pgg-encrypt-for-me
+                                             (list pgg-pgp5-user-id)))))))
+          (if sign '("-s" "-u" pgg-pgp5-user-id)))))
     (pgg-pgp5-process-region start end nil pgg-pgp5-pgpe-program args)
     (pgg-process-when-success nil)))
 
-(defun pgg-pgp5-decrypt-region (start end)
+(defun pgg-pgp5-decrypt-region (start end &optional passphrase)
   "Decrypt the current region between START and END."
   (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
         (passphrase
-         (pgg-read-passphrase
-          (format "PGP passphrase for %s: " pgg-pgp5-user-id)
-          (pgg-pgp5-lookup-key pgg-pgp5-user-id 'encrypt)))
+         (or passphrase
+             (pgg-read-passphrase
+              (format "PGP passphrase for %s: " pgg-pgp5-user-id)
+              (pgg-pgp5-lookup-key pgg-pgp5-user-id 'encrypt))))
         (args
          '("+verbose=1" "+batchmode=1" "+language=us" "-f")))
     (pgg-pgp5-process-region start end passphrase pgg-pgp5-pgpv-program args)
     (pgg-process-when-success nil)))
 
-(defun pgg-pgp5-sign-region (start end &optional clearsign)
+(defun pgg-pgp5-sign-region (start end &optional clearsign passphrase)
   "Make detached signature from text between START and END."
   (let* ((pgg-pgp5-user-id (or pgg-pgp5-user-id pgg-default-user-id))
         (passphrase
-         (pgg-read-passphrase
-          (format "PGP passphrase for %s: " pgg-pgp5-user-id)
-          (pgg-pgp5-lookup-key pgg-pgp5-user-id 'sign)))
+         (or passphrase
+             (pgg-read-passphrase
+              (format "PGP passphrase for %s: " pgg-pgp5-user-id)
+              (pgg-pgp5-lookup-key pgg-pgp5-user-id 'sign))))
         (args
          (list (if clearsign "-fat" "-fbat")
                "+verbose=1" "+language=us" "+batchmode=1"
@@ -190,7 +201,7 @@ Bourne shell or its equivalent \(not tcsh) is needed for \"2>\"."
                                    (point))
                             (point-max))))))
          (if pgg-cache-passphrase
-             (pgg-add-passphrase-cache
+             (pgg-add-passphrase-to-cache
               (cdr (assq 'key-identifier packet))
               passphrase)))))))