X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/069c185c6386ddd0a43d3cd4bed99c69884afbfe..fcdaa1806c38c703a6e72b87e189396a05d165e4:/prim.h

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+/* -*-c-*-
+ *
+ * $Id: prim.h,v 1.1 1999/12/22 15:58:59 mdw Exp $
+ *
+ * Finding primitive elements
+ *
+ * (c) 1999 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------* 
+ *
+ * This file is part of Catacomb.
+ *
+ * Catacomb is free software; you can redistribute it and/or modify
+ * 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: prim.h,v $
+ * Revision 1.1  1999/12/22 15:58:59  mdw
+ * Search for primitive elements using prime-search equipment.
+ *
+ */
+
+#ifndef CATACOMB_PRIM_H
+#define CATACOMB_PRIM_H
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <stddef.h>
+
+#ifndef CATACOMB_MP_H
+#  include "mp.h"
+#endif
+
+#ifndef CATACOMB_MPMONT_H
+#  include "mpmont.h"
+#endif
+
+#ifndef CATACOMB_PGEN_H
+#  include "pgen.h"
+#endif
+
+/*----- Data structures ---------------------------------------------------*/
+
+/* --- @prim_ctx@ --- *
+ *
+ * All fields must be configured by the client.  Set @n@ to zero to discover
+ * generators of the subgroup of order %$m / f$%.
+ */
+
+typedef struct prim_ctx {
+  mpmont mm;				/* Montgomery context for modulus */
+  mp *f;				/* Array of factors */
+  size_t n;				/* Number of factors */
+} prim_ctx;
+
+/*----- Functions provided ------------------------------------------------*/
+
+/* --- @prim_test@ --- */
+
+extern int prim_test(int /*rq*/, pgen_event */*ev*/, void */*p*/);
+
+/* --- @prim_step@ --- */
+
+extern int prim_step(int /*rq*/, pgen_event */*ev*/, void */*p*/);
+
+/*----- That's all, folks -------------------------------------------------*/
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif