Avoid crash for MD_NONE

Change-Id: Ic898ec81bd4ad2903a13cb254a9fdd7cec8c5a20

diff --git a/src/dummy-backend/dummy_backend.cpp b/src/dummy-backend/dummy_backend.cpp
index f1615ae..a342bf4 100644 (file)
--- a/src/dummy-backend/dummy_backend.cpp
+++ b/src/dummy-backend/dummy_backend.cpp
@@ -95,7 +95,7 @@ const EVP_MD* to_openssl_md_type(MessageDigestType digestType)
 {
        switch(digestType) {
                case MD_NONE:
-                       return nullptr;
+                       return EVP_md_null();
                case MD_MD2:
                        return EVP_md2();
                case MD_MD4: