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How to define a key-pair generator field in HTML5 ?
  • Difficulty Level : Hard
  • Last Updated : 26 Mar, 2021

The HTML <keygen> element can help generate a key material as part of an HTML form and submit the public key. This mechanism is intended for use with certificate systems based on the web. The <keygen> element is expected to be used in an HTML form along with additional information necessary to build a certificate request, and a signed certificate will be the result of the process.

Syntax: The syntax of <keygen> tag is

<keygen name="name">

Example 1:

HTML




<!DOCTYPE html>
<html>
<head>
<title>GFG</title>
</head>
<body>
    <form action="/gfg" method="post">
        <label>Username: <input type="text" name="uname"></label>
        <label>Encryption: <keygen name="lock"></label>
        <input type="submit" value="Submit">
    </form>
</body>
</html>

Output:

keygen

Example 2:

HTML




<!DOCTYPE html>
<html>
   <head>
      <title>GFG</title>
   </head>
   <body>
      <form>
         <keygen name = "key" challenge = "000">
         <input name = "name" value = "Name">
      </form>
   </body>
</html>

Output:

keygen challenge




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