Add an internal-representation no-op function.

[u/mdw/catacomb] / dh-fetch.c

diff --git a/dh-fetch.c b/dh-fetch.c
index 7a7e18c..2f25122 100644 (file)
--- a/dh-fetch.c
+++ b/dh-fetch.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: dh-fetch.c,v 1.1 2000/06/17 10:41:45 mdw Exp $
+ * $Id: dh-fetch.c,v 1.2 2000/07/01 11:19:22 mdw Exp $
  *
  * Key fetching for Diffie-Hellman public and private keys
  *
@@ -30,6 +30,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: dh-fetch.c,v $
+ * Revision 1.2  2000/07/01 11:19:22  mdw
+ * New functions for freeing public and private keys.
+ *
  * Revision 1.1  2000/06/17 10:41:45  mdw
  * Table for driving key data extraction.
  *
@@ -71,4 +74,38 @@ const key_fetchdef dh_privfetch[] = {
   { 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 -------------------------------------------------*/