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.

SnoAttributesValueDescription
1autofocusautofocusSpecify automatically focus when page is loads.
2challengechallengeSpecify value of the <keygen> is be challenged or not at the time of form submitted.
3disableddisabledSpecify that <keygen> element should be disabled.
4formform_idSpecify one or more forms that associate with <keygen> element.
5keytypekeytypeSpecify the type of key generated. Default value is RSA.
6nametextSpecify <keygen> element name.

Global Attributes

HTML <keygen> tag support following global attributes.

SnoAttributesValueDescription
1idunique_nameDeclared unique id for an element.
2classclass_nameDeclared one or more classnames for an element.
3stylestylesCSS inline styles specify an element.
4titletitleSpecify extra details of element contain, this will display as a “tooltip” for an elements.

Event Attributes

HTML <keygen> tag support following event attributes.

SnoAttributesValueDescription
1onfocusscriptelement gets focus on object when script tobe run.
2onblurscriptelement lose the focus on object when scrip tobe run.
3onabortscriptelement gets aborted on object when script tobe run.
4onchangescriptelement gets anytime change on object when script tobe run.
5onbeforeunloadscriptelement gets unloaded on object when scrip tobe run.
6onclickscriptclicked on object when script tobe run.
7ondblclickscriptdouble click on object when script tobe run.
8onkeydownscriptkey is pressed when script tobe run.
9onkeypressscriptkey is pressed over element then released when script tobe run.
10onkeyupscriptkey is released over element when script tobe run.
11onmousedownscriptmouse button was pressed over an element when script tobe run.
12onmouseoutscriptmouse pointer release over an element when script tobe run.
13onmousemovescriptrun mouse pointer moved when script tobe run.
14onmouseoverscriptrun mouse pointer move over when script tobe run.
15onmouseupscriptmouse button is released when script tobe run.
16onresetscriptform has been reset when script tobe run.
17onselectscriptSelect some content when script tobe run.
18onsubmitscriptform has been submitted when script tobe run.
19onloadscriptobject has load when script tobe run.
20onchangescriptallow to change the object when script tobe run.
21onunloadscriptunload to the browser window when script tobe run.
22ondragscriptelement being dragged when script tobe run.
23ondragendscriptelement being stop dragged when script tobe run.
24ondragenterscriptelement being go target dragged when script tobe run.
25ondragleavescriptelement being leave to target dragged when script tobe run.
26ondragoverscriptelement being over to target dragged when script tobe run.
27ondragstartscriptelement being start dragged when script tobe run.
28ondropscriptelement being dropped when script tobe run.
29onerrorscriptelement error occurs when script tobe run.
30onmessagescriptelement message display when script tobe run.
31onerrorscriptelement error occurs when script tobe run.
32onmousewheelscriptmouse wheel will be rotate when script tobe run.
33onscrollscriptscrollbar is scroll when script tobe run.
34onresizescriptelement should be resize when script tobe run.
35onselectscriptall element content selected when script tobe run.
36onstoragescriptelement should be store in target when script tobe run.

Browser Compatibility

SnoBrowserSupport
1ChromeNo
2FirefoxNo
3EdgeNo
4OperaNo
5SafariNo
6Internet ExplorerNo