Cross-Device Gallery Access With Secure Album Switching

The patent introduces a cloud server as an intermediary between multiple electronic devices. The cloud server stores encrypted multimedia resources and manages access permissions, allowing devices to access resources remotely without direct peer-to-peer connections. This mediator architecture enables cross-device access flexibility while maintaining data security through centralized permission control and encryption.

The patent implements a copying mechanism where multimedia resources are encrypted and stored on a cloud server, and access permissions are copied to authorized devices. When a user accesses resources on a different device, the system verifies permissions and provides access without requiring physical transfer of the original device. This copying approach enables flexible access across devices while maintaining security through encryption and permission verification.

The patent implements a self-service mechanism where the cloud server automatically manages resource encryption, permission distribution, and access verification. When a user logs in to a new device, the system automatically verifies their identity, checks their permissions, and provides access to authorized resources without manual intervention. This automation reduces system complexity by centralizing management tasks while improving access convenience for users.

The patent creates a universal access system where a single cloud account can be used across multiple electronic devices of different types (smartphones, tablets, computers). The cloud server provides multi-functional support for storing, managing, and providing access to multimedia resources for various device platforms. This universal approach simplifies the user experience by allowing consistent access across devices while the server handles the complexity of multi-device compatibility.

The patent implements a feedback mechanism where the cloud server continuously monitors and tracks which devices have access to which resources. When a user switches between devices or when resources are added or removed, the system automatically updates permission records and notifies relevant devices. This feedback loop ensures that information about resource locations and access permissions is always current, preventing information loss while enabling flexible switching between devices.

The patent performs preliminary actions by pre-encrypting multimedia resources and pre-configuring access permissions before they are accessed. When resources are uploaded to the cloud server, they are immediately encrypted and permission structures are established. This preliminary preparation ensures that when users switch between devices, the system can quickly verify permissions and provide access without complex real-time negotiations, thereby maintaining information integrity while improving accessibility.