Fix EVP todata and fromdata when used with selection of EVP_PKEY_PUBLIC_KEY.

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

diff --git a/crypto/dsa/dsa_backend.c b/crypto/dsa/dsa_backend.c
index 5e3ff851544ec7f6fd567c8a2541e4c60b716626..9c3cede91abfc5de1852e5194ec3bca9ce0a9331 100644 (file)
--- a/crypto/dsa/dsa_backend.c
+++ b/crypto/dsa/dsa_backend.c
@@ -27,16 +27,19 @@
  * implementations alike.
  */
 
-int ossl_dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[])
+int ossl_dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[],
+                          int include_private)
 {
-    const OSSL_PARAM *param_priv_key, *param_pub_key;
+    const OSSL_PARAM *param_priv_key = NULL, *param_pub_key;
     BIGNUM *priv_key = NULL, *pub_key = NULL;
 
     if (dsa == NULL)
         return 0;
 
-    param_priv_key =
-        OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY);
+    if (include_private) {
+        param_priv_key =
+            OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PRIV_KEY);
+    }
     param_pub_key =
         OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_PUB_KEY);