HTML Tag: `keygen`

A form control for generating a key pair, used for user authentication purposes.

keygen has no content and therefore does not warrant a closing tag.

Optional Attributes

Attribute	Description	Possible values
`name`	Name of the form control, to be paired with its value.	Text (no spaces).
`challenge`	A verification challenge to be sent along with the key.	Text.
`keytype`	The key security type.	`rsa` (also default).
`disabled`	Disables the form control.	None.
`autofocus`	Indicates that the form control should have focus on page load. Should only be used on one form control in a page.	None.
`form`	Explicitly associates the control to a `form` element, which it may or may not be nested within. If absent, the control will be associated to its `form` ancestor.	Text matching the value of a `form` element’s `id` attribute.
Global attributes

Example



<form action="keyGen/">
    <label for="kName">Name</label>
    <input name="kName" id="kName">

    <label for="kLength">Key length</label>
    <keygen name="kLength" id="kLength" challenge="banana">

    <input type="submit">
</form>