/* -*-c-*-
*
- * $Id: gmac.h,v 1.1 1999/12/10 23:16:01 mdw Exp $
+ * $Id: gmac.h,v 1.3 2004/04/04 19:42:30 mdw Exp $
*
* Generic MAC function interface
*
/*----- Revision history --------------------------------------------------*
*
* $Log: gmac.h,v $
+ * Revision 1.3 2004/04/04 19:42:30 mdw
+ * Make tables of standard encryption schemes etc.
+ *
+ * Revision 1.2 2000/06/17 11:22:46 mdw
+ * Minor changes in the generic hash and MAC interfaces.
+ *
* Revision 1.1 1999/12/10 23:16:01 mdw
* Generic interface.
*
#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