Digestaccessauthentication is one of the agreed-upon methods a web server can use to negotiate credentials, such as username or password, with a user's
HTTP/1.1. HTTP provides multiple authentication schemes such as basic accessauthentication and digestaccessauthentication which operate via a challenge–response
mechanism for digestaccessauthentication. AKA is a challenge–response based mechanism that uses symmetric cryptography. AKA – Authentication and Key Agreement