HTML <keygen> (Key Pair Generation) Tag
Deprecated: Not Supported in HTML5.
Example
<form action="action.php">
<label>Username: <input type="text" name="username"></label>
<label>Encryption: <keygen name="key"></label>
<input type="submit" value="Submit">
</form>Meaning
The <keygen> element is used to control the generation of key pairs in secured communications.
On form submission, the browser will generate a key pair and store the private key in the browser’s private key storage and send the public key to the server.
Version: HTML5
Standard Syntax
HTML: <keygen>
XHTML: <keygen />Browser Support
Status
Attributes
| Attribute | Value | Description |
|---|---|---|
| autofocus | autofocus | Specifies that a keygen element should automatically get focus when the page loads. |
| challenge | challenge | Specifies a challenge string that is submitted along with the public key. |
| disabled | disabled | Specifies that the keygen form control disabled for interaction. |
| form | formId | Specifies the <form> element that the <keygen> element is associated with (its form owner). |
| keytype | rsa dsa ec |
Specifies the type of key generated. The default value is rsa. |
| name | name | Defines a name for the keygen element, which is submitted with the form data. |
Global Attributes
<keygen> element also supports the Global Attributes in HTML.
Event Attributes
<keygen> element also supports the Event Attributes in HTML.