make it a loop as in dsa

diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
index 7a0ace72f0d5f85755c3534489c09b30495fa8dc..ad86048a368eec84c3e78b99b9ddec116b01cc11 100644 (file)
--- a/crypto/dh/dh_key.c
+++ b/crypto/dh/dh_key.c
@@ -111,7 +111,9 @@ static int generate_key(DH *dh)
                {
                priv_key=BN_new();
                if (priv_key == NULL) goto err;
-               if (!BN_rand_range(priv_key, dh->p)) goto err;
+               do
+                       if (!BN_rand_range(priv_key, dh->p)) goto err;
+               while (BN_is_zero(priv_key));
                }
        else
                priv_key=dh->priv_key;