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-rw-r--r--crypto/dh/dh_ameth.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/dh/dh_ameth.c b/crypto/dh/dh_ameth.c
index b7b37177c1..78aea36093 100644
--- a/crypto/dh/dh_ameth.c
+++ b/crypto/dh/dh_ameth.c
@@ -280,7 +280,8 @@ static int do_dh_print(BIO *bp, const DH *x, int indent, int ptype)
else
pub_key = NULL;
- if (priv_key == NULL && pub_key == NULL) {
+ if (x->p == NULL || (ptype == 2 && priv_key == NULL)
+ || (ptype > 0 && pub_key == NULL)) {
reason = ERR_R_PASSED_NULL_PARAMETER;
goto err;
}