diff --git a/tests/pubkey.pem b/tests/pubkey.pem
new file mode 100644
index 0000000..8ec6eca
--- /dev/null
+++ b/tests/pubkey.pem
@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
+MIIDTDCCAjSgAwIBAgIJAKPpMz4LyS0VMA0GCSqGSIb3DQEBBQUAMCIxIDAeBgNV
+BAMTF2tleWJ1Y2tldC5hcHAubm9yZHUubmV0MB4XDTEyMDUzMTEyMjIyNFoXDTIy
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+oHJ24vcX55P2LXmP+x+hIjMXICkqly0QE7kUVUVBisQ=
+-----END CERTIFICATE-----
\ No newline at end of file