/* -*-c-*-
*
- * $Id: ghash-def.h,v 1.3 2000/07/02 18:27:42 mdw Exp $
+ * $Id: ghash-def.h,v 1.4 2000/07/15 10:00:58 mdw Exp $
*
* Definitions for generic hash interface
*
/*----- Revision history --------------------------------------------------*
*
* $Log: ghash-def.h,v $
+ * Revision 1.4 2000/07/15 10:00:58 mdw
+ * New generic hash operation for copying hash contexts.
+ *
* Revision 1.3 2000/07/02 18:27:42 mdw
* (ghash->ops->done): Interface change. Passing in a null buffer pointer
* uses a buffer internal to the ghash object. The operation returns the
S_DESTROY(g); \
} \
\
-static const ghash_ops gops = { &pre, ghhash, ghdone, ghdestroy }; \
+static ghash *ghcopy(ghash *h) \
+{ \
+ gctx *g = (gctx *)h; \
+ gctx *gg = S_CREATE(gctx); \
+ memcpy(gg, g, sizeof(gctx)); \
+ return (&gg->h); \
+} \
+ \
+static const ghash_ops gops = \
+ { &pre, ghhash, ghdone, ghdestroy, ghcopy }; \
const gchash pre = { #pre, PRE##_HASHSZ, ghinit };
/*----- That's all, folks -------------------------------------------------*/
/* -*-c-*-
*
- * $Id: ghash.h,v 1.4 2000/07/03 18:08:24 mdw Exp $
+ * $Id: ghash.h,v 1.5 2000/07/15 10:00:58 mdw Exp $
*
* Generic hash function interface
*
/*----- Revision history --------------------------------------------------*
*
* $Log: ghash.h,v $
+ * Revision 1.5 2000/07/15 10:00:58 mdw
+ * New generic hash operation for copying hash contexts.
+ *
* Revision 1.4 2000/07/03 18:08:24 mdw
* Include `bits.h'.
*
void (*hash)(ghash */*h*/, const void */*p*/, size_t /*sz*/); /* Hash */
octet *(*done)(ghash */*h*/, void */*buf*/); /* Write result */
void (*destroy)(ghash */*h*/); /* Destroy hash block */
+ ghash *(*copy)(ghash */*h*/); /* Make a copy of the hash context */
} ghash_ops;
typedef struct gchash {
/* -*-c-*-
*
- * $Id: hmac-def.h,v 1.3 2000/07/02 18:27:42 mdw Exp $
+ * $Id: hmac-def.h,v 1.4 2000/07/15 10:00:58 mdw Exp $
*
* Definitions for HMAC and NMAC
*
/*----- Revision history --------------------------------------------------*
*
* $Log: hmac-def.h,v $
+ * Revision 1.4 2000/07/15 10:00:58 mdw
+ * New generic hash operation for copying hash contexts.
+ *
* Revision 1.3 2000/07/02 18:27:42 mdw
* (ghash->ops->done): Interface change. Passing in a null buffer pointer
* uses a buffer internal to the ghash object. The operation returns the
return (buf); \
} \
\
+static ghash *ghcopy(ghash *h) \
+{ \
+ gctx *g = (gctx *)h; \
+ gctx *gg = S_CREATE(gctx); \
+ memcpy(gg, g, sizeof(gctx)); \
+ return (&gg->h); \
+} \
+ \
static void ghdestroy(ghash *h) \
{ \
gctx *g = (gctx *)h; \
static const gmac_ops gkops = { &pre##_hmac, gkinit, gkdestroy }; \
static const gchash gch = { #pre "-hmac", PRE##_HASHSZ, ghinit }; \
static const ghash_ops gops = \
- { &gch, ghhash, ghdone, ghdestroy }; \
+ { &gch, ghhash, ghdone, ghdestroy, ghcopy }; \
\
HMAC_TEST(PRE, pre)