Update EC certs to use NIST-256 and NIST-384
diff --git a/tests/data_files/cli2.key b/tests/data_files/cli2.key
new file mode 100644
index 0000000..e747d09
--- /dev/null
+++ b/tests/data_files/cli2.key
@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIPb3hmTxZ3/mZI3vyk7p3U3wBf+WIop6hDhkFzJhmLcqoAoGCCqGSM49
+AwEHoUQDQgAEV+WusXPf06y7k7iB/xKu7uZTrM5VU/Y0Dswu42MlC9+Y4vNcYDaW
+wNUYFHDlf5/VS0UY5bBs1Vz4lo+HcKPkxw==
+-----END EC PRIVATE KEY-----