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-rw-r--r--crypto/ec/ectest.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/crypto/ec/ectest.c b/crypto/ec/ectest.c
index b68e27e98a..766a0dbc75 100644
--- a/crypto/ec/ectest.c
+++ b/crypto/ec/ectest.c
@@ -519,7 +519,7 @@ int main(int argc, char *argv[])
scalars[0] = y; /* (group order + 1)/2, so y*Q + y*Q = Q */
scalars[1] = y;
- fprintf(stdout, "simultaneous multiplication ... ");
+ fprintf(stdout, "simultaneous multiplication ...");
fflush(stdout);
/* z is still the group order */
@@ -528,7 +528,22 @@ int main(int argc, char *argv[])
if (0 != EC_POINT_cmp(group, P, R, ctx)) ABORT;
if (0 != EC_POINT_cmp(group, R, Q, ctx)) ABORT;
- fprintf(stdout, "ok\n\n");
+ fprintf(stdout, ".");
+ fflush(stdout);
+
+ if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0)) ABORT;
+ if (!BN_copy(z, y)) ABORT;
+ z->neg = 1;
+
+ points[0] = Q;
+ points[1] = Q;
+ scalars[0] = y;
+ scalars[1] = z;
+
+ if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx)) ABORT;
+ if (!EC_POINT_is_at_infinity(group, P)) ABORT;
+
+ fprintf(stdout, " ok\n\n");
}