DH keys have an (until now) unused 'q' parameter. When creating

[openssl.git] / crypto / dsa / dsa_lib.c

diff --git a/crypto/dsa/dsa_lib.c b/crypto/dsa/dsa_lib.c
index e9b75902dbc25e21ab9565855c33ccdadbc1a272..12f83ed8482ec0f732d17c97f7f3a4ff3daa3769 100644 (file)
--- a/crypto/dsa/dsa_lib.c
+++ b/crypto/dsa/dsa_lib.c
@@ -276,7 +276,8 @@ void *DSA_get_ex_data(DSA *d, int idx)
 DH *DSA_dup_DH(const DSA *r)
        {
        /* DSA has p, q, g, optional pub_key, optional priv_key.
-        * DH has p, optional length, g, optional pub_key, optional priv_key.
+        * DH has p, optional length, g, optional pub_key, optional priv_key,
+        * optional q.
         */ 
 
        DH *ret = NULL;
@@ -290,7 +291,11 @@ DH *DSA_dup_DH(const DSA *r)
                if ((ret->p = BN_dup(r->p)) == NULL)
                        goto err;
        if (r->q != NULL)
+               {
                ret->length = BN_num_bits(r->q);
+               if ((ret->q = BN_dup(r->q)) == NULL)
+                       goto err;
+               }
        if (r->g != NULL)
                if ((ret->g = BN_dup(r->g)) == NULL)
                        goto err;