/* -*-c-*-
*
- * $Id: gmac.h,v 1.1 1999/12/10 23:16:01 mdw Exp $
+ * $Id: gmac.h,v 1.4 2004/04/08 01:36:15 mdw Exp $
*
* Generic MAC function interface
*
* (c) 1999 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,
* MA 02111-1307, USA.
*/
-/*----- Revision history --------------------------------------------------*
- *
- * $Log: gmac.h,v $
- * Revision 1.1 1999/12/10 23:16:01 mdw
- * Generic interface.
- *
- */
-
#ifndef CATACOMB_GMAC_H
#define CATACOMB_GMAC_H
#include <stddef.h>
+#ifndef CATACOMB_GCIPHER_H
+# include "gcipher.h"
+#endif
+
#ifndef CATACOMB_GHASH_H
# include "ghash.h"
#endif
} gmac;
typedef struct gmac_ops {
- const struct gchash_base *b; /* Pointer to basic information */
+ const struct gcmac *c; /* Pointer to MAC class */
ghash *(*init)(gmac */*m*/); /* Create keyed hash instance */
void (*destroy)(gmac */*m*/); /* Destroy MAC key block */
} gmac_ops;
typedef struct gcmac {
- gchash_base b; /* Basic information */
+ const char *name; /* Name of the MAC function */
+ size_t hashsz; /* Size of output hash */
+ const octet *keysz; /* Key size options */
gmac *(*key)(const void */*k*/, size_t /*sz*/); /* Create key */
} gcmac;
+#define GM_KEY(cm, k, ksz) (cm)->key((k), (ksz))
+#define GM_CLASS(km) (km)->ops->c
+#define GM_INIT(km) (km)->ops->init((km))
+#define GM_DESTROY(km) (km)->ops->destroy((km))
+
+/*----- Tables ------------------------------------------------------------*/
+
+extern const gcmac *const gmactab[];
+
+/* --- @gmac_byname@ --- *
+ *
+ * Arguments: @const char *p@ = pointer to name string
+ *
+ * Returns: The named cipher class, or null.
+ */
+
+extern const gcmac *gmac_byname(const char */*p*/);
+
/*----- That's all, folks -------------------------------------------------*/
#ifdef __cplusplus