/usr/share/emacs/site-lisp/flim/sha1-dl.el is in flim 1:1.14.9+0.20110516-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | ;;; sha1-dl.el --- SHA1 Secure Hash Algorithm using DL module.
;; Copyright (C) 1999, 2001, 2004 Free Software Foundation, Inc.
;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Keywords: SHA1, FIPS 180-1
;; This file is part of FLIM (Faithful Library about Internet Message).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(provide 'sha1-dl) ; beware of circular dependency.
(eval-when-compile (require 'sha1)) ; sha1-dl-module.
;;; This file is loaded (from "sha1.el") only when sha1-dl-module exists.
(defvar sha1-dl-handle (dynamic-link sha1-dl-module))
;;; sha1-dl-module provides `sha1-string' and `sha1-binary'.
(dynamic-call "emacs_sha1_init" sha1-dl-handle)
(defun sha1-region (beg end &optional binary)
(if binary
(sha1-binary (buffer-substring-no-properties beg end))
(sha1-string (buffer-substring-no-properties beg end))))
(defun sha1 (object &optional beg end binary)
"Return the SHA1 (Secure Hash Algorithm) of an object.
OBJECT is either a string or a buffer.
Optional arguments BEG and END denote buffer positions for computing the
hash of a portion of OBJECT.
If BINARY is non-nil, return a string in binary form."
(if (stringp object)
(if binary
(sha1-binary object)
(sha1-string object))
(save-excursion
(set-buffer object)
(sha1-region (or beg (point-min)) (or end (point-max)) binary))))
;;; sha1-dl.el ends here
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