/* -*-c-*-
*
- * $Id: bbs-rand.c,v 1.1 1999/12/10 23:14:59 mdw Exp $
+ * $Id: bbs-rand.c,v 1.2 1999/12/13 15:34:01 mdw Exp $
*
* Blum-Blum-Shub secure random number generator
*
/*----- Revision history --------------------------------------------------*
*
* $Log: bbs-rand.c,v $
+ * Revision 1.2 1999/12/13 15:34:01 mdw
+ * Add support for seeding from a generic pseudorandom source.
+ *
* Revision 1.1 1999/12/10 23:14:59 mdw
* Blum-Blum-Shub generator, and Blum-Goldwasser encryption.
*
#include "mp.h"
#include "mpbarrett.h"
#include "mpint.h"
+#include "mprand.h"
/*----- Main code ---------------------------------------------------------*/
case GRAND_SEEDINT:
case GRAND_SEEDUINT32:
case GRAND_SEEDMP:
+ case GRAND_SEEDRAND:
case BBS_SET:
rc = 1;
break;
case GRAND_SEEDMP:
bbs_seed(&g->b, va_arg(ap, mp *));
break;
+ case GRAND_SEEDRAND: {
+ grand *rr = va_arg(ap, grand *);
+ mp *m = mprand(MP_NEW, mp_bits(g->b.mb.m) - 1, rr, 0);
+ bbs_seed(&g->b, m);
+ mp_drop(m);
+ } break;
case BBS_SET:
bbs_set(&g->b, va_arg(ap, mp *));
break;