X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/storin/blobdiff_plain/e6e0e332972586b443c9ae3d031757f6778fd263..refs/tags/1.0.1:/diffan.c

diff --git a/diffan.c b/diffan.c
index eef248b..9ffde58 100644
--- a/diffan.c
+++ b/diffan.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: diffan.c,v 1.1 2000/05/21 11:28:30 mdw Exp $
+ * $Id: diffan.c,v 1.2 2000/05/28 00:39:52 mdw Exp $
  *
  * Differential analysis of matrix multiplication
  *
@@ -49,6 +49,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: diffan.c,v $
+ * Revision 1.2  2000/05/28 00:39:52  mdw
+ * Bad bug makes all previous testing worthless.
+ *
  * Revision 1.1  2000/05/21 11:28:30  mdw
  * Initial check-in.
  *
@@ -104,7 +107,7 @@ static void probe(uint24 *delta)
 
     for (j = 0; j < 4; j++) {
       x[j] = U24(fibrand_step(&r));
-      y[j] = x[j] & delta[j];
+      y[j] = x[j] ^ delta[j];
     }
 
     matmul(xi, m, x, 4, 4, 1);