Merge `deisui-1_14_0-1'.

[elisp/flim.git] / md5.el

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+;;; md5.el --- MD5 Message Digest Algorithm.
+
+;; Copyright (C) 1999 Shuhei KOBAYASHI
+
+;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
+;; Keywords: MD5, RFC 1321
+
+;; 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., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; Examples from RFC 1321.
+;;
+;; (md5 "")
+;; => d41d8cd98f00b204e9800998ecf8427e
+;;
+;; (md5 "a")
+;; => 0cc175b9c0f1b6a831c399e269772661
+;;
+;; (md5 "abc")
+;; => 900150983cd24fb0d6963f7d28e17f72
+;;
+;; (md5 "message digest")
+;; => f96b697d7cb7938d525a2f31aaf161d0
+;;
+;; (md5 "abcdefghijklmnopqrstuvwxyz")
+;; => c3fcd3d76192e4007dfb496cca67e13b
+;;
+;; (md5 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
+;; => d174ab98d277d9f5a5611c2c9f419d9f
+;;
+;; (md5 "12345678901234567890123456789012345678901234567890123456789012345678901234567890")
+;; => 57edf4a22be3c955ac49da2e2107b67a
+
+;;; Code:
+
+(cond
+ ((and (fboundp 'md5)
+       (subrp (symbol-function 'md5)))
+  ;; recent XEmacs has `md5' as a built-in function.
+  ;; (and 'md5 is already provided.)
+  )
+ ((and (fboundp 'dynamic-link)
+       (file-exists-p (expand-file-name "md5.so" exec-directory)))
+  ;; Emacs with DL patch.
+  (require 'md5-dl))
+ (t
+  (require 'md5-el)))
+
+(provide 'md5)
+
+;;; md5.el ends here.