Method for secure backup and recovery of data and electronic device
DE602020057479T2Active Publication Date: 2025-08-27HUAWEI TECH CO LTD
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Patent Information
- Application Number
- DE602020057479
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2019-03-27
- Filing Date
- 2020-03-25
- Publication Date
- 2025-08-27
- Estimated Expiration
- 2040-03-25
AI Technical Summary
Technical Problem
Existing data backup and restoration methods lack sufficient security measures, allowing unauthorized access and decryption of sensitive data by third parties or mobile devices, compromising user privacy.
Method used
A data encryption and decryption method utilizing a secure element (SE) and trusted execution environment (TEE) with multiple key factors generated by trusted service managers and servers to encrypt and decrypt sensitive data, ensuring only authorized parties can access the data during backup and restoration processes.
Benefits of technology
Ensures secure data backup and restoration by preventing unauthorized decryption and access, maintaining data integrity and privacy by limiting access to the backup key factors, thus enhancing security and user trust.
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