;;; sha1.el --- SHA1 Secure Hash Algorithm in Emacs-Lisp
;; Copyright (C) 1999, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Shuhei KOBAYASHI <shuhei@aqua.ocn.ne.jp>
;; Keywords: SHA1, FIPS 180-1
:group 'sha1)
(defun sha1-string-external (string &optional binary)
- (let (prog args digest)
+ (let ((default-directory "/") ;; in case otherwise non-existent
+ (process-connection-type nil) ;; pipe
+ prog args digest)
(if (consp sha1-program)
(setq prog (car sha1-program)
args (cdr sha1-program))