Cloud Application Client Terminal File Encryption
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In the cloud computing environment, existing security systems are inadequate in protecting user assets from external hacking attacks, relying solely on security equipment provided by service providers and lacking comprehensive management of security events.
Innovation Solution
A cloud application system installed on client terminals, featuring a first driver controlling module for displaying user folders and a second driver controlling module for encrypting files before storage, creating a secure structure with a header and body portion, enabling encryption and decryption for file security across different operating systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If files are stored directly in client terminal without encryption, then storage efficiency is improved, but security is deteriorated
Solution Approach 1:
The patent applies preliminary action by encrypting files before they are stored in the client terminal. The encryption process converts original files into encrypted files using encryption algorithms, ensuring that even if the encrypted files are accessed unauthorizedly, the original information cannot be retrieved without the decryption key. This preliminary encryption step resolves the contradiction by maintaining both storage efficiency and file security.
2Device complexity
If cloud security system relies solely on service provider's security equipment, then system complexity is reduced, but security protection capability is deteriorated
Solution Approach 1:
The patent applies local quality by implementing security functions at the client terminal level rather than relying solely on centralized cloud security equipment. Each client terminal independently performs encryption and decryption operations, creating localized security zones. This distributed security approach enhances overall security protection capability while maintaining relatively simple system architecture through the use of standard encryption algorithms.
3Speed
If all user folder information is downloaded to client terminal, then access speed is improved, but security risk is increased
Solution Approach 1:
The patent applies the taking out principle by extracting and encrypting only the specific file information that needs to be accessed locally, rather than downloading entire user folders. The system downloads encrypted files on-demand or selectively, decrypts them locally for access, and maintains encryption for files not currently in use. This approach improves access speed for needed files while minimizing security risks by reducing the amount of stored unencrypted data.
Data Source
AI summary
A cloud application system installed in a client terminal that is connected to a cloud server via a network, the cloud application system comprising: a first driver controlling module configured to display a list of folders of a relevant user in the cloud server by communicating with the cloud server; a second cloud driver controlling module configured to encrypt a file of the cloud server to store it as the encrypted security file when the file is stored in the client terminal.