X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/2bdb833f485d3c985a0f930865452fcaafdf95dd..95ccefe3ce59a0773f915aca6948d5b6f1f7c882:/dh-fetch.c

diff --git a/dh-fetch.c b/dh-fetch.c
index 7a7e18c..57439d2 100644
--- a/dh-fetch.c
+++ b/dh-fetch.c
@@ -1,13 +1,13 @@
 /* -*-c-*-
  *
- * $Id: dh-fetch.c,v 1.1 2000/06/17 10:41:45 mdw Exp $
+ * $Id: dh-fetch.c,v 1.3 2004/04/08 01:36:15 mdw Exp $
  *
  * Key fetching for Diffie-Hellman public and private keys
  *
  * (c) 2000 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Catacomb.
  *
@@ -15,26 +15,18 @@
  * 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: dh-fetch.c,v $
- * Revision 1.1  2000/06/17 10:41:45  mdw
- * Table for driving key data extraction.
- *
- */
-
 /*----- Header files ------------------------------------------------------*/
 
 #include "dh.h"
@@ -68,7 +60,41 @@ const key_fetchdef dh_privfetch[] = {
   { "g",	offsetof(dh_priv, dp.g),	KENC_MP,	0 },
   { "y",	offsetof(dh_priv, y),		KENC_MP,	0 },
   { "private",	0,				KENC_STRUCT,	priv },
-  { 0,		0,				0,		0 }  
+  { 0,		0,				0,		0 }
 };
 
+/* --- @dh_paramfree@, @dh_pubfree@, @dh_privfree@ --- *
+ *
+ * Arguments:	@dh_param *dp@, @dh_pub *dp@, @dh_priv *dp@ = pointer
+ *			to key block to free
+ *
+ * Returns:	---
+ *
+ * Use:		Frees a Diffie-Hellman key block.
+ */
+
+void dh_paramfree(dh_param *dp)
+{
+  mp_drop(dp->p);
+  mp_drop(dp->q);
+  mp_drop(dp->g);
+}
+
+void dh_pubfree(dh_pub *dp)
+{
+  mp_drop(dp->dp.p);
+  mp_drop(dp->dp.q);
+  mp_drop(dp->dp.g);
+  mp_drop(dp->y);
+}
+
+void dh_privfree(dh_priv *dp)
+{
+  mp_drop(dp->dp.p);
+  mp_drop(dp->dp.q);
+  mp_drop(dp->dp.g);
+  mp_drop(dp->y);
+  mp_drop(dp->x);
+}
+
 /*----- That's all, folks -------------------------------------------------*/