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Use the new MAC keysize names.
[u/mdw/catacomb]
/
gfshare.h
diff --git
a/gfshare.h
b/gfshare.h
index
1e1f984
..
fe09d8a
100644
(file)
--- a/
gfshare.h
+++ b/
gfshare.h
@@
-1,6
+1,6
@@
/* -*-c-*-
*
/* -*-c-*-
*
- * $Id: gfshare.h,v 1.
4 2000/06/24 18:29:05
mdw Exp $
+ * $Id: gfshare.h,v 1.
6 2000/12/06 20:30:10
mdw Exp $
*
* Secret sharing over %$\gf{2^8}$%
*
*
* Secret sharing over %$\gf{2^8}$%
*
@@
-30,6
+30,13
@@
/*----- Revision history --------------------------------------------------*
*
* $Log: gfshare.h,v $
/*----- Revision history --------------------------------------------------*
*
* $Log: gfshare.h,v $
+ * Revision 1.6 2000/12/06 20:30:10 mdw
+ * Change secret sharing interface: present the secret at share
+ * construction time.
+ *
+ * Revision 1.5 2000/06/24 19:11:47 mdw
+ * Fix daft error in the comment for @gfshare_get@.
+ *
* Revision 1.4 2000/06/24 18:29:05 mdw
* Interface change: allow shares to be extracted from a context on demand,
* rather than building them all up-front.
* Revision 1.4 2000/06/24 18:29:05 mdw
* Interface change: allow shares to be extracted from a context on demand,
* rather than building them all up-front.
@@
-85,11
+92,10
@@
typedef struct gfshare {
unsigned t; /* Threshold */
unsigned i; /* Next free slot in vector */
size_t sz; /* Size of the secret and shares */
unsigned t; /* Threshold */
unsigned i; /* Next free slot in vector */
size_t sz; /* Size of the secret and shares */
- void *s; /* The secret */
octet *v; /* Vector of share information */
} gfshare;
octet *v; /* Vector of share information */
} gfshare;
-#define GFSHARE_INIT(t, sz) { t, 0, sz, 0
, 0
}
+#define GFSHARE_INIT(t, sz) { t, 0, sz, 0 }
/*----- Functions provided ------------------------------------------------*/
/*----- Functions provided ------------------------------------------------*/
@@
-123,18
+129,20
@@
extern void gfshare_destroy(gfshare */*s*/);
*
* Arguments: @gfshare *s@ = pointer to share context to fill in
* @grand *r@ = pointer to random number source
*
* Arguments: @gfshare *s@ = pointer to share context to fill in
* @grand *r@ = pointer to random number source
+ * @const void *buf@ = pointer to the secret to share
*
* Returns: ---
*
* Use: Initializes a sharing context to be able to create shares.
* The context structure is expected to be mostly filled in. In
*
* Returns: ---
*
* Use: Initializes a sharing context to be able to create shares.
* The context structure is expected to be mostly filled in. In
- * particular, @t@
and @s@ must be initialized. If @v@ is zero,
- *
a vector of appropriate size is allocated. You should us
e
- *
the macro @GFSHARE_INIT@ or @gfshare_create@ to construct
- *
sharing
contexts.
+ * particular, @t@
must be initialized. If @v@ is zero, a
+ *
vector of appropriate size is allocated. You should use th
e
+ *
macro @GFSHARE_INIT@ or @gfshare_create@ to construct sharing
+ * contexts.
*/
*/
-extern void gfshare_mkshares(gfshare */*s*/, grand */*r*/);
+extern void gfshare_mkshares(gfshare */*s*/, grand */*r*/,
+ const void */*buf*/);
/* --- @gfshare_get@ --- *
*
/* --- @gfshare_get@ --- *
*
@@
-142,7
+150,7
@@
extern void gfshare_mkshares(gfshare */*s*/, grand */*r*/);
* @unsigned x@ = share index to fetch
* @void *buf@ = pointer to output buffer
*
* @unsigned x@ = share index to fetch
* @void *buf@ = pointer to output buffer
*
- * Returns:
The share, as requested.
+ * Returns:
---
*
* Use: Extracts a share from the system. You may extract up to 255
* shares from the system. Shares are indexed from 0.
*
* Use: Extracts a share from the system. You may extract up to 255
* shares from the system. Shares are indexed from 0.