HTML Tags - Keygen Tag

What is HTML <keygen> tag ?

HTML <keygen> tag is used to process Web forms with private key and public key.

When HTML <form> is submitted submit the <keygen> element stores private key in the local keystore and the public key is send to the server.

HTML <keygen> tag is used to generate signed certificate for authentication in browser.

HTML <keygen> tag is introduced in HTML5, but now this tag has been removed from the HTML5 specification.

How HTML <keygen> tag works ?

HTML <keygen> tag is used to specify a key-pair generator field in a form.

HTML <keygen> element provides a secure way to authenticate users.

Whenever HTML <form> is submitted, two keys are generated one is private key and another one is public key.

Private key is stored locally, and the public key is sent to the server.

Public key is used to generate client certificate to authenticate users for future.

Why HTML <keygen> tag is used ?

HTML <keygen> element is used to provides a secure way to authenticate users.

HTML <keygen> tag process the Web forms with certificate management systems.

Now this tag has been removed from the HTML5 specification.

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Syntax :

<keygen name = "name">

Example :

<!DOCTYPE html>
<html>
    <head>
        <title>
            HTML keygen tag
        </title>
    </head>

    <body>
        <h2>Sample Form</h2>

        <form>
            Username: <input type="text" name="uname">
            <br><br>
            Encryption: <keygen name="secure">
            <input type="submit">
        </form>
    </body>
</html>

Output :

<keygen> Tag Attributes

HTML <keygen> tag support following specific attributes.

Sno	Attributes	Value	Description
1	autofocus	autofocus	Specify automatically focus when page is loads.
2	challenge	challenge	Specify value of the <keygen> is be challenged or not at the time of form submitted.
3	disabled	disabled	Specify that <keygen> element should be disabled.
4	form	form_id	Specify one or more forms that associate with <keygen> element.
5	keytype	keytype	Specify the type of key generated. Default value is RSA.
6	name	text	Specify <keygen> element name.

Global Attributes

HTML <keygen> tag support following global attributes.

Sno	Attributes	Value	Description
1	id	unique_name	Declared unique id for an element.
2	class	class_name	Declared one or more classnames for an element.
3	style	styles	CSS inline styles specify an element.
4	title	title	Specify extra details of element contain, this will display as a “tooltip” for an elements.

Event Attributes

HTML <keygen> tag support following event attributes.

Sno	Attributes	Value	Description
1	onfocus	script	element gets focus on object when script tobe run.
2	onblur	script	element lose the focus on object when scrip tobe run.
3	onabort	script	element gets aborted on object when script tobe run.
4	onchange	script	element gets anytime change on object when script tobe run.
5	onbeforeunload	script	element gets unloaded on object when scrip tobe run.
6	onclick	script	clicked on object when script tobe run.
7	ondblclick	script	double click on object when script tobe run.
8	onkeydown	script	key is pressed when script tobe run.
9	onkeypress	script	key is pressed over element then released when script tobe run.
10	onkeyup	script	key is released over element when script tobe run.
11	onmousedown	script	mouse button was pressed over an element when script tobe run.
12	onmouseout	script	mouse pointer release over an element when script tobe run.
13	onmousemove	script	run mouse pointer moved when script tobe run.
14	onmouseover	script	run mouse pointer move over when script tobe run.
15	onmouseup	script	mouse button is released when script tobe run.
16	onreset	script	form has been reset when script tobe run.
17	onselect	script	Select some content when script tobe run.
18	onsubmit	script	form has been submitted when script tobe run.
19	onload	script	object has load when script tobe run.
20	onchange	script	allow to change the object when script tobe run.
21	onunload	script	unload to the browser window when script tobe run.
22	ondrag	script	element being dragged when script tobe run.
23	ondragend	script	element being stop dragged when script tobe run.
24	ondragenter	script	element being go target dragged when script tobe run.
25	ondragleave	script	element being leave to target dragged when script tobe run.
26	ondragover	script	element being over to target dragged when script tobe run.
27	ondragstart	script	element being start dragged when script tobe run.
28	ondrop	script	element being dropped when script tobe run.
29	onerror	script	element error occurs when script tobe run.
30	onmessage	script	element message display when script tobe run.
31	onerror	script	element error occurs when script tobe run.
32	onmousewheel	script	mouse wheel will be rotate when script tobe run.
33	onscroll	script	scrollbar is scroll when script tobe run.
34	onresize	script	element should be resize when script tobe run.
35	onselect	script	all element content selected when script tobe run.
36	onstorage	script	element should be store in target when script tobe run.

Browser Compatibility

Sno	Browser	Support
1	Chrome	No
2	Firefox	No
3	Edge	No
4	Opera	No
5	Safari	No
6	Internet Explorer	No