diff --git a/lib/hx509/data/.cvsignore b/lib/hx509/data/.cvsignore
new file mode 100644
index 000000000..026324fbf
--- /dev/null
+++ b/lib/hx509/data/.cvsignore
@@ -0,0 +1,16 @@
+01.pem
+02.pem
+03.pem
+04.pem
+05.pem
+06.pem
+07.pem
+ca.srl
+cert.req
+crl1.crl
+no-proxy-test.req
+proxy-test.srl
+proxy10-test.srl
+sub-ca-combined.crt
+sub-ca.srl
+test.srl