diff --git a/smdpp-data/certs/DPauth/SK_S_SM_DPauth_ECDSA_NIST.pem b/smdpp-data/certs/DPauth/SK_S_SM_DPauth_ECDSA_NIST.pem
new file mode 100644
index 0000000..35df74b
--- /dev/null
+++ b/smdpp-data/certs/DPauth/SK_S_SM_DPauth_ECDSA_NIST.pem
@@ -0,0 +1,8 @@
+-----BEGIN EC PARAMETERS-----
+BggqhkjOPQMBBw==
+-----END EC PARAMETERS-----
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIAp8wcJE5gxSzVt4B6uMNgwmUkYBUH3KvF3VmLWmFtXVoAoGCCqGSM49
+AwEHoUQDQgAETf7U9GlHkb8Wlc6gMHo1tBgBlpU4e7dbfSRHtrUgnwRFrk5eUhzR
+OIjXX+B8hYAiKuINuqwdd812MEmTQhvXOQ==
+-----END EC PRIVATE KEY-----