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catcrypt: Implement symmetric key-encapsulation and signature schemes.
[u/mdw/catacomb]
/
gdsa.c
diff --git
a/gdsa.c
b/gdsa.c
index
9b23f4f
..
f60fb2d
100644
(file)
--- a/
gdsa.c
+++ b/
gdsa.c
@@
-1,6
+1,6
@@
/* -*-c-*-
*
/* -*-c-*-
*
- * $Id
: gdsa.c,v 1.2 2004/04/08 01:36:15 mdw Exp
$
+ * $Id$
*
* Generalized version of DSA
*
*
* Generalized version of DSA
*
@@
-61,7
+61,7
@@
ghash *gdsa_beginhash(const gdsa *c) { return (GH_INIT(c->h)); }
* isn't finalized.
*/
* isn't finalized.
*/
-void gdsa_endhash(gdsa *c, ghash *h) { ; }
+void gdsa_endhash(
const
gdsa *c, ghash *h) { ; }
/* --- @gdsa_sign@ --- *
*
/* --- @gdsa_sign@ --- *
*
@@
-88,10
+88,10
@@
void gdsa_sign(const gdsa *c, gdsa_sig *s, const void *m, mp *k)
new_k:
k = mprand_range(k, g->r, c->r, 0);
have_k:
new_k:
k = mprand_range(k, g->r, c->r, 0);
have_k:
- if (MP_
ISZERO
(k)) goto new_k;
+ if (MP_
ZEROP
(k)) goto new_k;
G_EXP(g, z, g->g, k);
sr = G_TOINT(g, sr, z); assert(sr);
G_EXP(g, z, g->g, k);
sr = G_TOINT(g, sr, z); assert(sr);
- if (MP_
ISZERO
(sr)) goto new_k;
+ if (MP_
ZEROP
(sr)) goto new_k;
mp_div(0, &sr, sr, g->r);
mpbarrett_create(&b, g->r);
mp_div(0, &sr, sr, g->r);
mpbarrett_create(&b, g->r);