Update EC certs to use NIST-256 and NIST-384
diff --git a/tests/data_files/server4.key b/tests/data_files/server4.key
index ba6cf23..9e4daee 100644
--- a/tests/data_files/server4.key
+++ b/tests/data_files/server4.key
@@ -1,16 +1,27 @@
------BEGIN PRIVATE KEY-----
-MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBAKvJJhEJYDaEzJHI
-Ze07nydUJugaMNd/D5PvzJ/OtBQUyYawyyuOdWuLPxNugmVr0bmXQE78pUieuzhf
-kIEmQDLVNmgnLxAmhjB8MVdD7HaEf2XbcEXQyibV+sAmX+O71PMiGoYzbMIVxUcf
-UAILGy0On2eoRY3UHRhVbTa2HykfAgMBAAECgYALAPmFQdp944fPFs0gox8Qv902
-JOdYBnWS/ltXKUBzwNkf3ZdGFPwEhYjmz79ei8eFYeDmrlxQCIrpk4WIIFEgVZZA
-DRFZSQDIm6i+KSKWX6dFG/ot6VBzahKX24TUNuPhTrYUb+vkqxifbN/ItXcfcG2Z
-HB7AZl2RgRbeJGI/IQJBANJCx2dkCIKsrC21cAuq+fbxtSdzGho4hF1jsDHOjoCh
-x53BCivk1tL0kLcmLPbJnH2KvzTV4YrizAoGKFneiokCQQDRJ7pnKabHs9qhF6kl
-6m9dxAoGmeZY4RwodcVOqAjHFeMI9eSNLpsxava2RJFQVagCzwuft5lvhqeaxxZ0
-nwxnAkBFcKCCWNsmrPhAMEfM0q6zC6iUWsMoHbo5TY8HI/yUJtnSE8rULEN2cCbL
-FeSLrJHuNEBppqlSQQy50sbIx2JhAkEAug8ZZ0RKNUTtrHib5DrUrxkBwjWOEGrQ
-3b1GtF4O0OvLd+EmW+Gl9SQuLJ56lnhcaYM91+s/91JWLv4EH+KM6QJADR52KML6
-0IvPiOv8i98U+H5GvYT7pla+F61Y2i/h7M7wpANR8hAwK9IQ2eloeGQ3Fmyedd9l
-kHGxNTIgEkw3uQ==
------END PRIVATE KEY-----
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----