The <keygen> tag specifies a key-pair generator field used for forms. When the form is submitted, the private key is stored locally, and the public key is sent to the server.

Example Try this code »

<!DOCTYPE html>
<html lang="en">
<head>
<title> HTML Keygen Tag </title>
<meta charset="UTF-8">
</head>
<body>
<form action="action-page.php" method="get">
Username: <input type="text" name="usr_name">
Encryption: <keygen name="security">
<input type="submit">
</form>
</body>
</html>

Output

HTML Keygen Tag

Note: This tag is not used often and is about to get removed from HTML 5.

HTML Keygen Attributes

Attributes	Description
autofocus	Specifies that a `<keygen>` element should automatically get focus when the page loads.
challenge	Specifies that the value of the `<keygen>` element should be challenged when submitted.
form	Specifies one or more forms the `<keygen>` element belongs to.
disabled	Specifies that a `<keygen>` element should be disabled.
keytype	Specifies the security algorithm of the key.
name	Defines a name for the `<keygen>` element.

Browser Support

Element	Edge	Chrome	Firefox	Opera	Safari
`<keygen>`	Yes	Yes	Yes	Yes	Yes

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