+(defun epa-decrypt-region (start end)
+ "Decrypt the current region between START and END.
+
+Don't use this command in Lisp programs!"
+ (interactive "r")
+ (save-excursion
+ (let ((context (epg-make-context))
+ plain)
+ (message "Decrypting...")
+ (setq plain (epg-decrypt-string context (buffer-substring start end)))
+ (message "Decrypting...done")
+ (delete-region start end)
+ (goto-char start)
+ (insert (decode-coding-string plain coding-system-for-read))
+ (if (epg-context-result-for context 'verify)
+ (message "%s"
+ (epg-verify-result-to-string
+ (epg-context-result-for context 'verify)))))))
+
+;;;###autoload
+(defun epa-decrypt-armor-in-region (start end)
+ "Decrypt OpenPGP armors in the current region between START and END.
+
+Don't use this command in Lisp programs!"
+ (interactive "r")
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (let (armor-start armor-end charset coding-system)
+ (while (re-search-forward "-----BEGIN PGP MESSAGE-----$" nil t)
+ (setq armor-start (match-beginning 0)
+ armor-end (re-search-forward "^-----END PGP MESSAGE-----$"
+ nil t))
+ (unless armor-end
+ (error "No armor tail"))
+ (goto-char armor-start)
+ (if (re-search-forward "^Charset: \\(.*\\)" armor-end t)
+ (setq charset (match-string 1)))
+ (if coding-system-for-read
+ (setq coding-system coding-system-for-read)
+ (if charset
+ (setq coding-system (intern (downcase charset)))
+ (setq coding-system 'utf-8)))
+ (let ((coding-system-for-read coding-system))
+ (epa-decrypt-region start end)))))))
+
+;;;###autoload
+(defun epa-verify-region (start end)
+ "Verify the current region between START and END.
+
+Don't use this command in Lisp programs!"
+ (interactive "r")
+ (let ((context (epg-make-context)))
+ (epg-verify-string context
+ (encode-coding-string
+ (buffer-substring start end)
+ coding-system-for-write))
+ (message "%s"
+ (epg-verify-result-to-string
+ (epg-context-result-for context 'verify)))))
+
+;;;###autoload
+(defun epa-verify-armor-in-region (start end)
+ "Verify OpenPGP armors in the current region between START and END.
+
+Don't use this command in Lisp programs!"
+ (interactive "r")
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (let (armor-start armor-end)
+ (while (re-search-forward "-----BEGIN PGP\\( SIGNED\\)? MESSAGE-----$"
+ nil t)
+ (setq armor-start (match-beginning 0))
+ (if (match-beginning 1) ;cleartext signed message
+ (progn
+ (unless (re-search-forward "^-----BEGIN PGP SIGNATURE-----$"
+ nil t)
+ (error "Invalid cleartext signed message"))
+ (setq armor-end (re-search-forward
+ "^-----END PGP SIGNATURE-----$"
+ nil t)))
+ (setq armor-end (re-search-forward
+ "^-----END PGP MESSAGE-----$"
+ nil t)))
+ (unless armor-end
+ (error "No armor tail"))
+ (epa-verify-region armor-start armor-end))))))
+
+;;;###autoload
+(defun epa-sign-region (start end signers mode)
+ "Sign the current region between START and END by SIGNERS keys selected.
+
+Don't use this command in Lisp programs!"
+ (interactive
+ (list (region-beginning) (region-end)
+ (epa-select-keys (epg-make-context) "Select keys for signing.
+If no one is selected, default secret key is used. "
+ nil t)
+ (if (y-or-n-p "Make a detached signature? ")
+ 'detached
+ (if (y-or-n-p "Make a cleartext signature? ")
+ 'clear))))
+ (save-excursion
+ (let ((context (epg-make-context))
+ signature)
+ (epg-context-set-armor context epa-armor)
+ (epg-context-set-textmode context epa-textmode)
+ (epg-context-set-signers context signers)
+ (message "Signing...")
+ (setq signature (epg-sign-string context
+ (encode-coding-string
+ (buffer-substring start end)
+ coding-system-for-write)
+ mode))
+ (message "Signing...done")
+ (delete-region start end)
+ (insert (decode-coding-string signature coding-system-for-read)))))
+
+;;;###autoload
+(defun epa-encrypt-region (start end recipients)
+ "Encrypt the current region between START and END for RECIPIENTS.
+
+Don't use this command in Lisp programs!"
+ (interactive
+ (list (region-beginning) (region-end)
+ (epa-select-keys (epg-make-context) "Select recipents for encryption.
+If no one is selected, symmetric encryption will be performed. ")))
+ (save-excursion
+ (let ((context (epg-make-context))
+ cipher)
+ (epg-context-set-armor context epa-armor)
+ (epg-context-set-textmode context epa-textmode)
+ (message "Encrypting...")
+ (setq cipher (epg-encrypt-string context
+ (encode-coding-string
+ (buffer-substring start end)
+ coding-system-for-write)
+ recipients))
+ (message "Encrypting...done")
+ (delete-region start end)
+ (insert cipher))))
+
+;;;###autoload
+(defun epa-delete-keys (keys &optional allow-secret)