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-rw-r--r--crypto/dh/dh_key.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
index 7a0ace72f0..ad86048a36 100644
--- 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;