diff --git a/examples/pkcs10.pem b/examples/pkcs10.pem
new file mode 100644
index 0000000..c51b61b
--- /dev/null
+++ b/examples/pkcs10.pem
@@ -0,0 +1,9 @@
+PKCS#10 certification request based on Daniel J. Bernstein’s Curve25519.
+$ openssl req -nodes -newkey ed25519 -keyout /dev/null -out pkcs10.pem -days 36500 -subj '/CN=test' -addext 'subjectAltName=otherName:msUPN;UTF8:address@domain.test'
+-----BEGIN CERTIFICATE REQUEST-----
+MIHQMIGDAgEAMA8xDTALBgNVBAMMBHRlc3QwKjAFBgMrZXADIQD7Fua9ZF+wPXVd
+DCBwQr+Aqny6OFvs25wZ/P4LyVsYmKBBMD8GCSqGSIb3DQEJDjEyMDAwLgYDVR0R
+BCcwJaAjBgorBgEEAYI3FAIDoBUME2FkZHJlc3NAZG9tYWluLnRlc3QwBQYDK2Vw
+A0EAUp5FenHF1rZzRGU+7wiF+/D1bfyDRF0dzWz2sl44nltu8iLjHO3aIfOTYWpq
+ZlaDg1Bq3L7Fcb7If4yZAsE5Cw==
+-----END CERTIFICATE REQUEST-----
diff --git a/index.html b/index.html
index 524f19a..588a911 100644
--- a/index.html
+++ b/index.html
@@ -44,6 +44,7 @@
+