From: mdw <mdw>
Date: Sat, 3 Feb 2001 16:08:56 +0000 (+0000)
Subject: Give generic random objects separate namespaces for their supported misc
X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/commitdiff_plain/518749ae16bef8b68e1845869504cd2c9b1b883f

Give generic random objects separate namespaces for their supported misc
ops.  Add operations for reading the current seed value.
---

diff --git a/dsarand.c b/dsarand.c
index 146a20f..4f12b98 100644
--- a/dsarand.c
+++ b/dsarand.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: dsarand.c,v 1.2 2000/06/17 10:54:00 mdw Exp $
+ * $Id: dsarand.c,v 1.3 2001/02/03 16:08:56 mdw Exp $
  *
  * Random number generator for DSA
  *
@@ -30,6 +30,10 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: dsarand.c,v $
+ * Revision 1.3  2001/02/03 16:08:56  mdw
+ * Give generic random objects separate namespaces for their supported misc
+ * ops.  Add operations for reading the current seed value.
+ *
  * Revision 1.2  2000/06/17 10:54:00  mdw
  * Typesetting fixes.  Arena support.
  *
@@ -277,6 +281,8 @@ static int gmisc(grand *r, unsigned op, ...)
 	case GRAND_SEEDBLOCK:
 	case GRAND_SEEDRAND:
 	case DSARAND_PASSES:
+	case DSARAND_SEEDSZ:
+	case DSARAND_GETSEED:
 	  rc = 1;
 	  break;
 	default:
@@ -296,6 +302,12 @@ static int gmisc(grand *r, unsigned op, ...)
     case DSARAND_PASSES:
       g->d.passes = va_arg(ap, unsigned);
       break;
+    case DSARAND_SEEDSZ:
+      rc = g->d.sz;
+      break;
+    case DSARAND_GETSEED:
+      memcpy(va_arg(ap, void *), g->d.p, g->d.sz);
+      break;
     default:
       GRAND_BADOP;
       break;
diff --git a/dsarand.h b/dsarand.h
index 131d31b..4d36d6d 100644
--- a/dsarand.h
+++ b/dsarand.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: dsarand.h,v 1.2 2000/06/17 10:54:14 mdw Exp $
+ * $Id: dsarand.h,v 1.3 2001/02/03 16:08:56 mdw Exp $
  *
  * Random number generator for DSA
  *
@@ -30,6 +30,10 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: dsarand.h,v $
+ * Revision 1.3  2001/02/03 16:08:56  mdw
+ * Give generic random objects separate namespaces for their supported misc
+ * ops.  Add operations for reading the current seed value.
+ *
  * Revision 1.2  2000/06/17 10:54:14  mdw
  * Typesetting fixes.
  *
@@ -138,7 +142,9 @@ extern void dsarand_fill(dsarand */*d*/, void */*p*/, size_t /*sz*/);
 /* --- Miscellaneous operations --- */
 
 enum {
-  DSARAND_PASSES = GRAND_SPECIFIC
+  DSARAND_PASSES = GRAND_SPECIFIC('D'),	/* @unsigned n@ */
+  DSARAND_SEEDSZ,			/* No args */
+  DSARAND_GETSEED			/* @void *buf@ */
 };
 
 /* --- @dsarand_create@ --- *
@@ -148,8 +154,7 @@ enum {
  *
  * Returns:	Pointer to a generic generator.
  *
- * Use:		Constructs a generic generator interface over a Catacomb
- *		entropy pool generator.
+ * Use:		Constructs a generic generator interface to a DSA generator.
  */
 
 extern grand *dsarand_create(const void */*p*/, size_t /*sz*/);