Secure Storage Synchronization via eUICC Segmentation
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Solution Overview
Problem
Existing wireless communication systems lack secure and efficient methods for synchronizing updates across devices within a group network, particularly in ensuring secure storage and transmission of sensitive information.
Innovation Solution
The method involves using a secure memory device, such as an embedded Universal Integrated Circuit Card (eUICC), to receive updates, send secure notifications, and provide updates to other devices within a group network, ensuring authentication and encryption for secure synchronization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data is distributed wirelessly across devices in a group network, then synchronization efficiency is improved, but security of sensitive information deteriorates
Solution Approach 1:
The system segments data into different types: sensitive information (e.g., application updates, credentials) and non-sensitive information (e.g., notification metadata). Sensitive data is stored securely in eUICC devices and only transmitted when explicitly requested and authenticated, while non-sensitive notification data can be freely distributed across the group network. This segmentation allows efficient synchronization of non-critical data while protecting sensitive information.
Solution Approach 2:
The eUICC device acts as an intermediary security layer between the notification system and sensitive data. When a device receives a notification about an available update, it must authenticate with the eUICC before the actual update data can be transmitted. The eUICC verifies device credentials and establishes secure channels, ensuring that even if notification data is intercepted, the sensitive update content remains protected.
2Reliability
If secure authentication and encryption are implemented for update transmission, then security is improved, but device complexity deteriorates
Solution Approach 1:
The eUICC device serves multiple functions: it stores application updates, authenticates devices in the group network, manages encryption keys, and controls data transmission permissions. By consolidating these security-critical functions into a single universal component, the system achieves strong security without requiring each device to implement complex individual security mechanisms. The eUICC handles the cryptographic complexity centrally while other devices can operate with simpler client-side code.
Data Source
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AI summary
Methods and apparatus, including computer program products, are provided for secure storage synchronization. In one aspect there is provided a method. The method may include receiving, at a user equipment, an update to an application stored in a secure memory device at the user equipment; sending a notification to announce the update being available at the secure memory device at the user equipment, wherein the notification is sent securely to at least one device, when the at least one device connects to a group network including the at least one device and the user equipment; and providing, by the user equipment, the update securely to the at least one device, when the at least one device connects to the group network. Related apparatus, systems, methods, and articles are also described.