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# HTML DOM Keygen Object * * * ## Keygen Object The Keygen object represents the keygen field of an HTML form. This object provides a secure way to authenticate users. When the form is submitted, the private key is stored locally, and the public key is sent to the server. Each `` tag in an HTML document creates a Keygen object. You can search for the keygen field using the form's elements[] array or by using document.getElementById(). > **Deprecated: This feature has been removed from the Web standards.** * * * ## Keygen Object Properties = New in HTML5. | Property | Description | | --- | --- | | (#) | Sets or returns whether the keygen field should automatically get focus when the page loads. | | challenge | Sets or returns the value of the challenge attribute of the keygen field. | | (#) | Sets or returns whether the keygen field is disabled. | | (#) | Returns a reference to the form that contains the keygen field. | | (#) | Sets or returns the value of the keytype attribute of the keygen field. | | (#) | Sets or returns the value of the name attribute of the keygen field. | | (#) | Returns the type of the form element the keygen field is. | ## Standard Properties and Events The keygen object also supports standard (#) and (#). * * * ## Related Pages HTML Reference: (#)