HTML <keygen> tag
When writing in HTML, the <keygen> tag is used to designate a key-pair generator field used within <form> tags. Upon submission, the public key is sent to the server while the private key is stored locally. They are useful for adding security to forms. The following sections contain information about the <keygen> tag, including an example of it in use, as well as related attributes and browser compatibility.
The <keygen> tag belongs to a group of tags called form elements.
Example of <keygen >code
Username: <input type="text" name="uname"><br>
Encryption: <keygen name="secure">
Within an HTML tag, an attribute dictates certain aspects of an HTML element. Attributes are made up of a name and value pair; all tags support standard attributes. The following table shows all of the current unique HTML attributes for the <keygen> tag, as well as a description of each.
|autofocus||Designates that an <keygen> element should be the first thing focused when the page loads.|
|challenge||Designates that the value of the <keygen> element should be double checked upon submission.|
|disabled||Designates that the <keygen> element is disabled.|
|form||Designates the form(s) containing the <keygen> element.|
|keytype||Designates the security algorithm to be used with the key.|
|name||Designates a name for the <keygen> element.|
|All versions||Not supported||1.0+||1.2+||3.0+||1.0+|
Additional form elements