Cryptographic Expansion Device for Mobile Banking Security
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Solution Overview
Problem
In developing and developed countries, limited access to banking services due to geographical constraints and the lack of secure communication channels for mobile devices hinder the adoption of mobile banking, as sensitive information is vulnerable to interception and unauthorized access.
Innovation Solution
A mobile banking system incorporating a cryptographic expansion device attached to mobile devices for end-to-end encryption and a secure gateway device to prevent unauthorized access, enabling secure communication between mobile devices and payment processing networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mobile devices are used for banking transactions, then accessibility and convenience are improved, but security is worsened due to lack of encryption capability
Solution Approach 1:
A cryptographic expansion device is introduced as an intermediary component attached to the mobile device. This device mediates between the mobile device's communication capabilities and security requirements by providing encryption and decryption functions that the mobile device itself cannot perform, thus enabling secure mobile banking without compromising accessibility
Solution Approach 2:
The cryptographic expansion device is designed to be attached to various mobile devices regardless of their specific communication protocols or operating systems. It provides universal security functionality across different mobile platforms, enabling secure banking transactions on any mobile device while maintaining the device's original communication capabilities
2Reliability
If traditional brick-and-mortar banks are established, then secure banking services are provided, but accessibility and cost are worsened due to geographical constraints and infrastructure costs
Solution Approach 1:
The patent replaces the mechanical/physical banking infrastructure (brick-and-mortar branches, ATMs) with a digital/mobile-based system. By substituting physical presence with mobile device communication enhanced by cryptographic expansion, secure banking services become accessible anywhere without requiring physical bank locations or complex infrastructure
Solution Approach 2:
The invention changes the fundamental parameter of service delivery from location-based (physical branches) to device-based (mobile communications). This parameter change enables banking services to follow customers anywhere they have mobile connectivity, dramatically improving accessibility while maintaining security through cryptographic protocols
3Reliability
If cryptographic expansion device is attached to mobile device, then security is improved, but device complexity is worsened
Solution Approach 1:
The security functionality is segmented from the main mobile device into a separate cryptographic expansion device. This segmentation allows the mobile device to remain simple and focused on communication, while the expansion device handles the complex cryptographic operations independently, reducing overall system complexity while maintaining security
Data Source
AI summary
A mobile banking system that uses a cryptographic expansion device attached to a communication component of a mobile device and a secure gateway device to enable end-to-end secure communications between the mobile device and a payment processing network is disclosed. The cryptographic expansion device enables the mobile device to perform cryptographic operations on communications sent to and from the mobile device. The secure gateway device prevents unauthorized accesses to the payment processing network.