The use of HTML5 <keygen> tag is necessary when the author has to specify a key pair generator field which is incorporated within forms. Once the user accomplished the form and proceeded to submitting it, the private key is saved locally. On the other hand, the public key is then sent to the server.
There is no point of comparison between HTML4.01 and HTML5 when it comes to the use of the <keygen> tag. It is not introduced in HTML4.01.
Using the HTML5 <keygen> tag is not a complicated task since this is also capable of providing support for the Event Attributes and Global Attributes in HTML5. On the other hand, there may be a little issue with the web browsers. The HTML5 <keygen> tag is not identified by Internet Explorer. However, the HTML5 <keygen> tag is perfect for the other web browsers like Google Chrome, Safari, Opera and Firefox.
The attributes for HTML5 <keygen> tag are the following:
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Attribute
|
Value
|
Description
|
|
autofocus (New)
|
autofocus
|
This is the method of ensuring that the <keygen> element
would be automatically focused the moment
that the web page loads up completely
|
|
challenge (New)
|
challenge
|
It is useful for specifying that the value of the <keygen> element should
be challenged the moment that the user submits the form
|
|
disabled (New)
|
disabled
|
It is capable of disabling the <keygen> element
|
|
form (New)
|
form_id
|
It is used in providing details for one or more forms that the <keygen>
element is incorporated in
|
|
keytype (New)
|
rsa
dsa
ec
|
It is used for determining the security algorithm of the key
|
|
name (New)
|
name
|
It is the name provided for the <keygen> element
|