diff --git a/tests/data_files/server6.key b/tests/data_files/server6.key
new file mode 100644
index 0000000..d23c8f2
--- /dev/null
+++ b/tests/data_files/server6.key
@@ -0,0 +1,8 @@
+-----BEGIN EC PARAMETERS-----
+BggqhkjOPQMBAQ==
+-----END EC PARAMETERS-----
+-----BEGIN EC PRIVATE KEY-----
+MF8CAQEEGD5d3O02N8S/dSjU0RmPK8h2TEH64xPN6qAKBggqhkjOPQMBAaE0AzIA
+BBNrCG0mTkhIp2TN6tjDDsvHoDPGPQQHLLsMTvVKUtQfJ0/btdW7404eVUAICQFP
+jg==
+-----END EC PRIVATE KEY-----