Add test files for EC cert & crl validation
diff --git a/tests/data_files/crl-ec-sha224.pem b/tests/data_files/crl-ec-sha224.pem
new file mode 100644
index 0000000..bae7063
--- /dev/null
+++ b/tests/data_files/crl-ec-sha224.pem
@@ -0,0 +1,10 @@
+-----BEGIN X509 CRL-----
+MIIBUDCB9wIBATAKBggqhkjOPQQDATA+MQswCQYDVQQGEwJOTDERMA8GA1UEChMI
+UG9sYXJTU0wxHDAaBgNVBAMTE1BvbGFyc3NsIFRlc3QgRUMgQ0EXDTEzMDgwOTA4
+MDYzOFoXDTIzMDgwNzA4MDYzOFowFDASAgECFw0xMzA4MDkwODA0MDNaoHIwcDBu
+BgNVHSMEZzBlgBS8QO+57pq7NjnhLamiuiy7pr0QcaFCpEAwPjELMAkGA1UEBhMC
+TkwxETAPBgNVBAoTCFBvbGFyU1NMMRwwGgYDVQQDExNQb2xhcnNzbCBUZXN0IEVD
+IENBggkArUJ5dp5y9uEwCgYIKoZIzj0EAwEDSAAwRQIge0CLFC7Ba9urAcQjRg2y
+MlaoNZjFTLfgORXoVIr7qB0CIQD875hm+aual5qW62hMfHcb7W3BoU+vV1D42YyE
+sd4POA==
+-----END X509 CRL-----