diff --git a/examples/ed25519.cer b/examples/ed25519.cer
new file mode 100644
index 0000000..0694a84
--- /dev/null
+++ b/examples/ed25519.cer
@@ -0,0 +1,13 @@
+X.509 certificate based on Daniel J. Bernstein’s Curve25519 (as per RFC 8410).
+$ openssl req -x509 -newkey ed25519 -keyout test.key -out test.cer -days 3652
+-----BEGIN CERTIFICATE-----
+MIIBfzCCATGgAwIBAgIUfI5kSdcO2S0+LkpdL3b2VUJG10YwBQYDK2VwMDUxCzAJ
+BgNVBAYTAklUMQ8wDQYDVQQHDAZNaWxhbm8xFTATBgNVBAMMDFRlc3QgZWQyNTUx
+OTAeFw0yMDA5MDIxMzI1MjZaFw0zMDA5MDIxMzI1MjZaMDUxCzAJBgNVBAYTAklU
+MQ8wDQYDVQQHDAZNaWxhbm8xFTATBgNVBAMMDFRlc3QgZWQyNTUxOTAqMAUGAytl
+cAMhADupL/3LF2beQKKS95PeMPgKI6gxIV3QB9hjJC7/aCGFo1MwUTAdBgNVHQ4E
+FgQUa6W9z536I1l4EmQXrh5y2JqASugwHwYDVR0jBBgwFoAUa6W9z536I1l4EmQX
+rh5y2JqASugwDwYDVR0TAQH/BAUwAwEB/zAFBgMrZXADQQBvc3e+KJZaMzbX5TT9
+kPP9QH8fAvkAV/IWDxZrBL9lhLaY0tDSv0zWbw624uidBKPgmVD5wm3ec60dNVeF
+ZYYG
+-----END CERTIFICATE-----
diff --git a/index.html b/index.html
index a34f911..d316465 100644
--- a/index.html
+++ b/index.html
@@ -24,6 +24,7 @@