-;;; pgg-epg.el --- Gnus/PGG backend of EasyPG.
+;;; pgg-epg.el --- Gnus' PGG backend of EasyPG.
;; Copyright (C) 1999, 2000, 2002, 2003, 2004,
;; 2005, 2006 Free Software Foundation, Inc.
;; Copyright (C) 2006 Daiki Ueno
;; Author: Daiki Ueno <ueno@unixuser.org>
-;; Keywords: PGP, GnuPG
+;; Keywords: PGP, GnuPG, Gnus
;; This file is part of EasyPG.
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
+;;; Commentary:
+
+;; To use, add (setq pgg-scheme 'epg) to your ~/.gnus.
+
;;; Code:
-(require 'epg)
+(require 'epa)
(eval-when-compile (require 'pgg))
(defvar pgg-epg-secret-key-id-list nil)
-(defun pgg-epg-passphrase-callback (key-id ignore)
+(defun pgg-epg-passphrase-callback (context key-id ignore)
(if (eq key-id 'SYM)
- (epg-passphrase-callback-function key-id nil)
+ (epa-passphrase-callback-function context key-id nil)
(let* ((entry (assoc key-id epg-user-id-alist))
(passphrase
(pgg-read-passphrase
(cons key-id pgg-epg-secret-key-id-list))
(copy-sequence passphrase)))))
+(defvar inhibit-redisplay)
(defun pgg-epg-encrypt-region (start end recipients &optional sign passphrase)
"This function is for internal use only.
If optional PASSPHRASE is not specified, it will be obtained from the
passphrase cache or user."
(let ((context (epg-make-context))
- cipher)
+ (inhibit-redisplay t) ;Gnus users don't like flickering
+ cipher recipient-keys)
(epg-context-set-armor context t)
(epg-context-set-textmode context pgg-text-mode)
(epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
- (get-buffer-create pgg-output-buffer)
- (get-buffer-create pgg-errors-buffer)
+ (save-excursion
+ (set-buffer (get-buffer-create pgg-output-buffer))
+ (erase-buffer)
+ (set-buffer (get-buffer-create pgg-errors-buffer))
+ (erase-buffer))
(condition-case error
(setq cipher
- (epg-encrypt-string context
- (buffer-substring start end)
- (mapcar
- (lambda (recipient)
- (car (epg-list-keys recipient)))
- (if pgg-encrypt-for-me
- (cons pgg-default-user-id recipients)
- recipients))
- sign t)
+ (epg-encrypt-string
+ context
+ (buffer-substring start end)
+ (apply #'nconc
+ (mapcar
+ (lambda (recipient)
+ (setq recipient-keys
+ (epg-list-keys context recipient))
+ (unless (or recipient-keys
+ (y-or-n-p
+ (format "No public key for %s; skip it? "
+ recipient)))
+ (error "No public key for %s" recipient))
+ recipient-keys)
+ (if pgg-encrypt-for-me
+ (cons pgg-default-user-id recipients)
+ recipients)))
+ sign t)
pgg-epg-secret-key-id-list nil)
(error
(while pgg-epg-secret-key-id-list
(signal (car error) (cdr error))))
(save-excursion
(set-buffer (get-buffer-create pgg-output-buffer))
- (erase-buffer)
(insert cipher))
t))
If optional PASSPHRASE is not specified, it will be obtained from the
passphrase cache or user."
(let ((context (epg-make-context))
+ (inhibit-redisplay t) ;Gnus users don't like flickering
plain)
(epg-context-set-armor context t)
(epg-context-set-textmode context pgg-text-mode)
(epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
- (get-buffer-create pgg-output-buffer)
- (get-buffer-create pgg-errors-buffer)
+ (save-excursion
+ (set-buffer (get-buffer-create pgg-output-buffer))
+ (erase-buffer)
+ (set-buffer (get-buffer-create pgg-errors-buffer))
+ (erase-buffer))
(condition-case error
- (setq plain (epg-decrypt-string context (buffer-substring start end))
+ (setq plain
+ (epg-decrypt-string context (buffer-substring start end))
pgg-epg-secret-key-id-list nil)
(error
(while pgg-epg-secret-key-id-list
(pgg-remove-passphrase-from-cache (car pgg-epg-secret-key-id-list))
(setq pgg-epg-secret-key-id-list (cdr pgg-epg-secret-key-id-list)))
(signal (car error) (cdr error))))
+ (if (and pgg-text-mode
+ (fboundp 'decode-coding-string))
+ (setq plain (decode-coding-string plain 'raw-text)))
(save-excursion
(set-buffer (get-buffer-create pgg-output-buffer))
- (erase-buffer)
(insert plain))
t))
If optional PASSPHRASE is not specified, it will be obtained from the
passphrase cache or user."
(let ((context (epg-make-context))
+ (inhibit-redisplay t) ;Gnus users don't like flickering
signature)
(epg-context-set-armor context t)
(epg-context-set-textmode context pgg-text-mode)
(epg-context-set-passphrase-callback context #'pgg-epg-passphrase-callback)
- (get-buffer-create pgg-output-buffer)
- (get-buffer-create pgg-errors-buffer)
+ (epg-context-set-signers
+ context
+ (list (car (epg-list-keys context pgg-default-user-id t))))
+ (save-excursion
+ (set-buffer (get-buffer-create pgg-output-buffer))
+ (erase-buffer)
+ (set-buffer (get-buffer-create pgg-errors-buffer))
+ (erase-buffer))
(condition-case error
(setq signature
(epg-sign-string context
(buffer-substring start end)
(if cleartext
- 'clearsign
+ 'clear
'detached))
pgg-epg-secret-key-id-list nil)
(error
(signal (car error) (cdr error))))
(save-excursion
(set-buffer (get-buffer-create pgg-output-buffer))
- (erase-buffer)
(insert signature))
t))
"This function is for internal use only.
Verify region between START and END as the detached signature SIGNATURE."
- (let ((context (epg-make-context)))
+ (let ((context (epg-make-context))
+ (inhibit-redisplay t)) ;Gnus users don't like flickering
(epg-context-set-armor context t)
(epg-context-set-textmode context pgg-text-mode)
- (get-buffer-create pgg-output-buffer)
- (get-buffer-create pgg-errors-buffer)
+ (save-excursion
+ (set-buffer (get-buffer-create pgg-output-buffer))
+ (erase-buffer)
+ (set-buffer (get-buffer-create pgg-errors-buffer))
+ (erase-buffer))
(if signature
(epg-verify-string context
(with-temp-buffer
(set-buffer (get-buffer-create pgg-errors-buffer))
(make-local-variable 'pgg-epg-signatures)
(setq pgg-epg-signatures (epg-context-result-for context 'verify))
- (erase-buffer)
(insert (epg-verify-result-to-string pgg-epg-signatures)))
t))
Insert public key at point."
(let ((context (epg-make-context))
- pointer)
+ (inhibit-redisplay t) ;Gnus users don't like flickering
+ )
(epg-context-set-armor context t)
(epg-context-set-textmode context pgg-text-mode)
- (insert (epg-export-keys context pgg-default-user-id))))
+ (save-excursion
+ (set-buffer (get-buffer-create pgg-output-buffer))
+ (erase-buffer)
+ (set-buffer (get-buffer-create pgg-errors-buffer))
+ (erase-buffer))
+ (insert (epg-export-keys-to-string context pgg-default-user-id))))
(defun pgg-epg-snarf-keys-region (start end)
"This function is for internal use only.
Add all public keys in region between START and END to the keyring."
(let ((context (epg-make-context))
- pointer)
+ (inhibit-redisplay t) ;Gnus users don't like flickering
+ )
(epg-context-set-armor context t)
(epg-context-set-textmode context pgg-text-mode)
- (epg-import-keys context (buffer-substring start end))))
+ (save-excursion
+ (set-buffer (get-buffer-create pgg-output-buffer))
+ (erase-buffer)
+ (set-buffer (get-buffer-create pgg-errors-buffer))
+ (erase-buffer))
+ (epg-import-keys-from-string context (buffer-substring start end))))
+(eval-when-compile
+ (autoload 'mml2015-gpg-pretty-print-fpr "mml2015"))
(defun mml2015-gpg-extract-signature-details ()
(if pgg-epg-signatures
(let* ((expired (eq (epg-signature-status (car pgg-epg-signatures))
'key-expired))
(signer (cons (epg-signature-key-id (car pgg-epg-signatures))
- (epg-signature-user-id (car pgg-epg-signatures))))
+ (cdr (assoc (epg-signature-key-id
+ (car pgg-epg-signatures))
+ epg-user-id-alist))))
(fprint (epg-signature-fingerprint (car pgg-epg-signatures)))
(trust-good-enough-p
(memq (epg-signature-validity (car pgg-epg-signatures))
- '(marginal fully ultimate))))
+ '(marginal full ultimate))))
(cond ((and signer fprint)
(concat (cdr signer)
(unless trust-good-enough-p
"From unknown user")))
"From unknown user"))
+(defun pgg-epg-lookup-key (string &optional type)
+ "Search keys associated with STRING."
+ (mapcar (lambda (key)
+ (epg-sub-key-id (car (epg-key-sub-key-list key))))
+ (epg-list-keys (epg-make-context) string (not (null type)))))
+
(provide 'pgg-epg)
;;; pgg-epg.el ends here
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