Guest Mode Authentication for Media Players

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Solution Overview

Problem

Conventional online media services pose significant financial, privacy, and data security risks as they often allow unauthorized access to users' accounts when guests access media content on host devices, leading to potential unauthorized purchases or data breaches.

Innovation Solution

Implementing a system where a guest's media account is accessed on a host media player using a token-based authentication method, with the host media player entering 'guest mode' and only allowing read-only permissions, ensuring secure and controlled access to the guest's media account, and automatically logging out the guest account upon completion of playback.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a guest logs in to a host's media player to access their media account, then the guest can access and play music from their online media account, but any person with access to the media player may access aspects of the guest's media account including purchasing accounts and confidential data

Engineering Contradiction:
ImproveGuest access to media contentVSAvoidUnauthorized access to media account
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent segments the authentication process into two distinct modes: host mode and guest mode. When a guest account is detected, the system transitions to guest mode which implements restricted access controls. This segmentation allows the system to provide different access levels - full access for hosts and limited read-only access for guests - thereby enabling guest access to media content while preventing unauthorized access to purchasing accounts and confidential data.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediary authentication mechanism that detects whether the currently logged-in account is a host or guest account. This intermediary layer monitors account types and automatically adjusts access permissions accordingly. The system acts as a mediator between the guest user and the media account resources, granting only appropriate access levels without requiring the guest to log in with full credentials, thus preventing unauthorized access while maintaining ease of operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Duration of action of moving object

If the guest remains logged in to the host's media player for extended access to music, then the guest can continuously access media content, but the guest may forget she was logged in or get distracted and not pay attention to other people who may be accessing the media player

Engineering Contradiction:
ImproveGuest login durationVSAvoidSecurity risk from forgotten login
Core Design Contradiction:
Duration of action of moving objectVSObject-affected harmful factors

Solution Approach 1:

The patent implements periodic detection of the currently logged-in account type. The system continuously monitors whether a guest account remains logged in and automatically triggers guest mode restrictions when a guest account is detected. This periodic action ensures that even if a guest remains logged in for extended periods, the security restrictions are consistently applied, preventing unauthorized access to purchasing accounts and confidential data throughout the entire login duration.

Inventive Principle:
Principle #19Periodic action

3Adaptability or versatility

If conventional authentication methods are used allowing full access to the media account, then the guest can access all media content including purchasing options, but the guest's purchasing account may be accessed to purchase additional media without consent or credentials may be used to view confidential data

Engineering Contradiction:
ImproveGuest access to media libraryVSAvoidUnauthorized purchases and data exposure
Core Design Contradiction:
Adaptability or versatilityVSObject-generated harmful factors

Solution Approach 1:

The patent applies local quality by implementing different access permissions for different parts of the media account. When guest mode is activated, the system grants read-only access to the media library (allowing guests to browse and play music) but blocks access to purchasing accounts and confidential data sections. This localized permission structure enables guests to access the media content they need while preventing unauthorized purchases and data exposure in specific protected areas of the account.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP3323246B1Using temporary credentials in guest mode
Publication Date: 2023.05.10 GOOGLE LLC
  • EP3323246B1 patent drawingFigure 1
  • EP3323246B1 patent drawingFigure 2
  • EP3323246B1 patent drawingFigure 3~4

AI summary

A method may receive, over a network and at a host's media player that is logged in to a host's media account, a play request from a guest's device. The play request may include a request to play a guest's media item from the guest's media account and may be compliant with a first protocol. In response to receiving the play request, the method may initiate a guest mode on the host's media player, log out the host's media account, and securely store the host's credentials. The method may log in the guest's media account with fewer permissions than the host's permissions. The method may play the guest's media item and establish a connection between the host's media player and the guest's device in accordance with a second protocol. Upon completion of playback, the method may log out the guest's media account and log in the host's media account.