HTML <keygen> keytype Attribute

Last Updated : 05 Oct, 2021

The HTML <keygen> keytype attribute is used to define the type of key which would be used. Basically, this attribute is used to secure the form data.

Note: The keytype may be different in different browsers.

Syntax:

<keygen keytype="rsa|dsa|ec">

Attribute values:

rsa: It is a default value. It defines an RSA security algorithm. It gives a choice of RSA key strengths to the user.
dsa: It defines a DSA security algorithm. It gives a choice of DSA key sizes to the user.
ec: It defines an EC security algorithm. It gives a choice of EC key strengths to the user.

Example: Below code illustrates the keytype attribute of the <keygen> element.

HTML

<!DOCTYPE html> 
<html> 
  
<head> 
    <title> 
        HTML keygen keytype attribute 
    </title> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1> 
  
        <h2>HTML Keygen keytype attribute</h2> 
  
        <form> 
            Username: <input type="text" name="uname"> 
            <br><br> 
            Encryption: <keygen form="myGeeks" 
                keytype="rsa" name="secure" disabled> 
                  
            <input type="submit"> 
        </form> 
      </center> 
</body> 
  
</html>