<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<form action="/form/submit" method="get">
<keygen name="rsaPublicKey" keytype="RSA">
User’s name:
<input type="text" name="usr_name">
<input type="submit">
</form>
</body>
</html>