/* -*-c-*-
*
- * $Id: group.h,v 1.5 2004/04/17 09:58:37 mdw Exp $
+ * $Id$
*
* General cyclic group abstraction
*
* (c) 2004 Straylight/Edgeware
*/
-/*----- Licensing notice --------------------------------------------------*
+/*----- Licensing notice --------------------------------------------------*
*
* This file is part of Catacomb.
*
* 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,
} group_expfactor;
typedef struct group_ops {
+
+ /* --- General information --- */
+
unsigned ty; /* Type of this group */
+ const char *name; /* Textual name string */
/* --- Memory management --- */
GTY_EC /* Elliptic curve group */
};
+#define G_NAME(g) (g)->ops->name
+#define G_TYPE(g) (g)->ops->ty
+
#define G_DESTROYGROUP(g) (g)->ops->destroygroup((g))
#define G_CREATE(g) (g)->ops->create((g))
#define G_COPY(g, d, x) (g)->ops->copy((g), (d), (x))
group *group_prime(const gprime_param */*gp*/);
+/*----- Binary field subgroups --------------------------------------------*/
+
+typedef gprime_param gbin_param;
+
+/* --- @group_binary@ --- *
+ *
+ * Arguments: @const gbin_param *gb@ = group parameters
+ *
+ * Returns: A pointer to the group, or null.
+ *
+ * Use: Constructs an abstract group interface for a subgroup of a
+ * prime field. Group elements are @mp *@ pointers.
+ */
+
+group *group_binary(const gbin_param */*gp*/);
+
/*----- Elliptic curve groups ---------------------------------------------*/
/* --- @group_ec@ --- *