1 ;;; sha1-dl.el --- SHA1 Secure Hash Algorithm using DL module.
3 ;; Copyright (C) 1999, 2001 Free Software Foundation, Inc.
5 ;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
6 ;; Keywords: SHA1, FIPS 180-1
8 ;; This file is part of FLIM (Faithful Library about Internet Message).
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or
13 ;; (at your option) any later version.
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with this program; see the file COPYING. If not, write to
22 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (provide 'sha1-dl) ; beware of circular dependency.
30 (eval-when-compile (require 'sha1)) ; sha1-dl-module.
32 ;;; This file is loaded (from "sha1.el") only when sha1-dl-module exists.
33 (defvar sha1-dl-handle (dynamic-link sha1-dl-module))
35 ;;; sha1-dl-module provides `sha1-string' and `sha1-binary'.
36 (dynamic-call "emacs_sha1_init" sha1-dl-handle)
38 (defun sha1-region (beg end)
39 (sha1-string (buffer-substring-no-properties beg end)))
41 (defun sha1 (object &optional beg end)
42 "Return the SHA1 (Secure Hash Algorithm) of an object.
43 OBJECT is either a string or a buffer.
44 Optional arguments BEG and END denote buffer positions for computing the
45 hash of a portion of OBJECT."
50 (sha1-region (or beg (point-min)) (or end (point-max))))))
54 ;;; sha1-dl.el ends here