X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/c3caa2face1cda7002eb58245ad75865bf437455..7fb0660b6d7237a7ec859459b2e511eebc0dcdb5:/sha256.h

diff --git a/sha256.h b/sha256.h
index ca6e18c..7b21dd2 100644
--- a/sha256.h
+++ b/sha256.h
@@ -1,13 +1,13 @@
 /* -*-c-*-
  *
- * $Id: sha256.h,v 1.3 2004/03/21 22:43:34 mdw Exp $
+ * $Id$
  *
  * Implementation of the SHA-256 hash function
  *
  * (c) 2000 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Catacomb.
  *
@@ -15,34 +15,19 @@
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
- * 
+ *
  * Catacomb 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 Library General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Library General Public
  * License along with Catacomb; if not, write to the Free
  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  * MA 02111-1307, USA.
  */
 
-/*----- Revision history --------------------------------------------------* 
- *
- * $Log: sha256.h,v $
- * Revision 1.3  2004/03/21 22:43:34  mdw
- * New hash variant SHA224.
- *
- * Revision 1.2  2000/10/15 19:09:20  mdw
- * Support HMAC mode for hash functions which need to store more state than
- * the hash output size.
- *
- * Revision 1.1  2000/10/15 17:48:15  mdw
- * New SHA variants with longer outputs.
- *
- */
-
-/*----- Notes on the SHA-256 hash function ----------------------------------*
+/*----- Notes on the SHA-256 hash function --------------------------------*
  *
  * SHA-1 (Secure Hash Algorithm) was designed by the NSA, for use with the
  * Digital Signature Algorithm.  This is an evolution with a larger output
@@ -52,6 +37,7 @@
 
 #ifndef CATACOMB_SHA256_H
 #define CATACOMB_SHA256_H
+#define CATACOMB_SHA224_H
 
 #ifdef __cplusplus
   extern "C" {