use faster version

diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index b8eb2b7998e2384230fbfe57e2444e74ef8c6031..e5fbcd619f7b05ce078565c7cdb67027916af7de 100644 (file)
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -85,7 +85,7 @@ int BN_mod_mul_montgomery(BIGNUM *r, BIGNUM *a, BIGNUM *b,
 
        if (a == b)
                {
-#if 0
+#if 1 
                bn_wexpand(tmp,a->top*2);
                bn_wexpand(tmp2,a->top*4);
                bn_sqr_recursive(tmp->d,a->d,a->top,tmp2->d);