Mobile System Session Key Encryption for Secure Data Transmission
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Solution Overview
Problem
Existing mobile systems face challenges in securely and conveniently transmitting private user data, such as social security numbers and credit card information, over wireless networks without exposing this information to other users or systems, while maintaining the portability and mobility of the mobile device.
Innovation Solution
A mobile system that uses a session key to encrypt and decrypt user data, allowing secure transmission between a mobile device and a service system, including a data maintaining unit, session key setting unit, encrypting unit, and data transmitting unit, which also verifies identification data and provides services based on decrypted user data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If user data is transmitted through open space via radio signal in wireless network environment, then mobility and portability are maintained, but security of transmission is compromised
Solution Approach 1:
The patent introduces a session key as an intermediary element that mediates between the mobile device and service system. This session key encrypts user data during transmission, acting as a protective layer that maintains both mobility and security. The session key is temporarily generated and discarded after use, ensuring that even if intercepted, the data cannot be decrypted without the temporary key.
Solution Approach 2:
The patent changes the parameter of data protection by transforming plaintext user data into encrypted ciphertext through encryption algorithms. This parameter change ensures that data transmitted over wireless networks maintains security while allowing mobility. The encryption/decryption process dynamically changes data representation without affecting transmission capabilities.
2Ease of operation
If user data is stored in mobile device for service processing, then convenience is improved, but risk of exposure to other users or systems increases
Solution Approach 1:
The session key serves as a mediator that allows the mobile device to store and transmit user data conveniently while protecting it from exposure. The data remains encrypted during storage and transmission, with the session key acting as the intermediary that controls access. Only the authorized service system with the matching session key can decrypt and access the data.
Solution Approach 2:
The patent applies preliminary encryption to user data before storage or transmission. This preliminary action ensures that even if data is accessed unauthorizedly, it remains protected. The encryption is performed in advance, converting sensitive information into an unreadable format that requires the session key for decryption.
3Reliability
If encryption is applied to user data for secure transmission, then security is improved, but system complexity increases
Solution Approach 1:
The patent segments the security system into distinct functional units: encryption unit, decryption unit, session key management unit, and data transmission unit. This segmentation allows each component to perform its specific function independently, reducing overall system complexity while maintaining security. The modular structure makes the system easier to implement and maintain.
Data Source
AI summary
A mobile system, a service system, and a service providing method for securely transmitting private information for use in a service are provided. The mobile system maintains at least one user data and identification data with respect to the user data used for processing at least one service, sets a session key for the service system, and encrypts service data identified based on the identification data to transmit to the service system.