X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/432c4e184d44704511a5991b80224a87cb1d4613..ea932d59b3071ce00f9e510aad014ad64a3dc48c:/ec-test.c

diff --git a/ec-test.c b/ec-test.c
index 2f81015..ad2af90 100644
--- a/ec-test.c
+++ b/ec-test.c
@@ -1,13 +1,13 @@
 /* -*-c-*-
  *
- * $Id: ec-test.c,v 1.3 2004/03/27 17:54:11 mdw Exp $
+ * $Id$
  *
  * Code for testing elliptic-curve stuff
  *
  * (c) 2004 Straylight/Edgeware
  */
 
-/*----- Licensing notice --------------------------------------------------* 
+/*----- Licensing notice --------------------------------------------------*
  *
  * This file is part of Catacomb.
  *
@@ -15,32 +15,18 @@
  * 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: ec-test.c,v $
- * Revision 1.3  2004/03/27 17:54:11  mdw
- * Standard curves and curve checking.
- *
- * Revision 1.2  2004/03/27 00:04:46  mdw
- * Implement efficient reduction for pleasant-looking primes.
- *
- * Revision 1.1  2004/03/23 15:19:32  mdw
- * Test elliptic curves more thoroughly.
- *
- */
-
 /*----- Header files ------------------------------------------------------*/
 
 #include <assert.h>
@@ -110,8 +96,15 @@ static int ecCHECK(ec_curve *cc, const ec *p)
   return (EC_CHECK(c->real, p));
 }
 
-static ec_ops ecops = {
-  ecDESTROY, ecIN, ecOUT, ecFIX,
+static int ecSAMEP(ec_curve *cc, ec_curve *dd)
+{
+  ecctx *c = (ecctx *)cc, *d = (ecctx *)dd;
+  return (ec_samep(c->real, d->real));
+}
+
+static const ec_ops ecops = {
+  "cardboard",
+  ecDESTROY, ecSAMEP, ecIN, ecOUT, ecFIX,
   ecFIND, ecNEG, ecADD, ecSUB, ecDBL, ecCHECK
 };
 
@@ -120,6 +113,8 @@ static ec_curve *ec_cutout(ec_curve *real, const char *name)
   ecctx *c = CREATE(ecctx);
   c->c.f = real->f;
   c->c.ops = &ecops;
+  c->c.a = real->a;
+  c->c.b = real->b;
   c->magic = MAGIC;
   c->name = xstrdup(name);
   c->real = real;
@@ -158,7 +153,7 @@ static void ecvdump(dstr *d, FILE *fp)
   fprintf(fp, "%s", ec_name(v));
 }
 
-test_type type_ecurve = { ecvcvt, ecvdump };
+const test_type type_ecurve = { ecvcvt, ecvdump };
 
 static void eccvt(const char *p, dstr *d)
 {
@@ -182,7 +177,7 @@ static void ecdodump(ec *a, FILE *fp)
   if (EC_ATINF(a))
     fputs("inf", fp);
   else {
-    fputs("0x", fp); 
+    fputs("0x", fp);
     mp_writefile(a->x, fp, 16);
     fputs(", 0x", fp);
     mp_writefile(a->y, fp, 16);
@@ -195,7 +190,7 @@ static void ecdump(dstr *d, FILE *fp)
   ecdodump(a, fp);
 }
 
-test_type type_ec = { eccvt, ecdump };
+const test_type type_ec = { eccvt, ecdump };
 
 /*----- Testing elliptic curve functionality ------------------------------*/
 
@@ -272,9 +267,9 @@ static int vcheck(dstr v[])
   if (r != c) {
     fprintf(stderr, "check failed");
     fprintf(stderr, "\ncurve = "); type_ecurve.dump(v, stderr);
-    fprintf(stderr, "\n    a = "); ecdodump(a, stderr);
-    fprintf(stderr, "\n    r = %d", r);
-    fprintf(stderr, "\n    c = %d", c); 
+    fprintf(stderr, "\n	   a = "); ecdodump(a, stderr);
+    fprintf(stderr, "\n	   r = %d", r);
+    fprintf(stderr, "\n	   c = %d", c);
     fprintf(stderr, "\n");
     ok = 0;
   }
@@ -295,10 +290,10 @@ static int vmul(dstr v[])
   if (!EC_EQ(r, &c)) {
     fprintf(stderr, "mul failed");
     fprintf(stderr, "\ncurve = "); type_ecurve.dump(v, stderr);
-    fprintf(stderr, "\n    a = "); ecdodump(a, stderr);
-    fprintf(stderr, "\n    n = "); mp_writefile(n, stderr, 10);
-    fprintf(stderr, "\n    r = "); ecdodump(r, stderr);
-    fprintf(stderr, "\n    c = "); ecdodump(&c, stderr);
+    fprintf(stderr, "\n	   a = "); ecdodump(a, stderr);
+    fprintf(stderr, "\n	   n = "); mp_writefile(n, stderr, 10);
+    fprintf(stderr, "\n	   r = "); ecdodump(r, stderr);
+    fprintf(stderr, "\n	   c = "); ecdodump(&c, stderr);
     fprintf(stderr, "\n");
     ok = 0;
   }
@@ -318,9 +313,9 @@ static int vfind(dstr v[])
   if (!EC_EQ(r, &c)) {
     fprintf(stderr, "find failed");
     fprintf(stderr, "\ncurve = "); type_ecurve.dump(v, stderr);
-    fprintf(stderr, "\n    x = "); mp_writefile(x, stderr, 16);
-    fprintf(stderr, "\n    r = "); ecdodump(r, stderr);
-    fprintf(stderr, "\n    c = "); ecdodump(&c, stderr);
+    fprintf(stderr, "\n	   x = "); mp_writefile(x, stderr, 16);
+    fprintf(stderr, "\n	   r = "); ecdodump(r, stderr);
+    fprintf(stderr, "\n	   c = "); ecdodump(&c, stderr);
     fprintf(stderr, "\n");
     ok = 0;
   }