Update EC certs to use NIST-256 and NIST-384
diff --git a/tests/data_files/test-ca2.key b/tests/data_files/test-ca2.key
index 4f6fa67..ccbba3c 100644
--- a/tests/data_files/test-ca2.key
+++ b/tests/data_files/test-ca2.key
@@ -1,5 +1,6 @@
-----BEGIN EC PRIVATE KEY-----
-MHcCAQEEIBgsCX6wjouYFLrghn4s8iRrt9krCKiFHZYtzY8J7+p3oAoGCCqGSM49
-AwEHoUQDQgAElrizLPspIX2+kNvC+BOpJnw19tnAi5nsUnt8r6N+KDybdaVUWmLI
-qZCrjuaGKwOdOZtl/bBp8KOpLZ4UDujV/g==
+MIGkAgEBBDCD2RUOoHHwVxAzozi4hsGmEV1ttAPhKXZF14dvI6tEIOpke4WxdueF
+lap01tGkXuqgBwYFK4EEACKhZANiAATD2is0QTdYL4dW/vyJuilDS07gbsMOV1Mz
+OVjUUrSRlTkLI99fFyRiSPwalSnOLC2HwohSgK/Waqsh3bjTHG5YuMrosmmO80Gt
+KcO0X3WnR2/VGSlVaZpTOyC0ZhZgMx4=
-----END EC PRIVATE KEY-----