Dual Network Token Authentication for Data Access Control
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Solution Overview
Problem
Computing devices with simple authentication methods are vulnerable to unauthorized access due to information security risks from hacking, theft, and misuse, particularly when they contain sensitive data.
Innovation Solution
A computing device system that uses dual network interfaces and tokens to control data accessibility, where a processor determines access based on a comparison of tokens received via different networks, incorporating a security policy to manage permissions and token validity, allowing secure access based on user authentication, location, and device information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If simple authentication methods (passwords or pins) are used, then ease of operation is improved, but security reliability deteriorates
Solution Approach 1:
The authentication process is segmented into multiple independent stages: first authentication (local password/PIN verification), second authentication (token verification via first network interface), and third authentication (token verification via second network interface). Each stage provides a layer of security, transforming a single weak authentication method into a multi-layered security system that maintains ease of use while dramatically improving reliability.
Solution Approach 2:
Authentication tokens serve as intermediaries between the user and the sensitive data. Instead of directly accessing data with just a password, the system introduces token verification as an intermediate step that mediates access control. The tokens act as additional authentication factors that bridge the gap between user convenience and security requirements.
2Reliability
If dual network interfaces and token comparison are implemented, then security reliability is improved, but device complexity increases
Solution Approach 1:
The computing device is equipped with multiple network interfaces that serve dual purposes: they enable communication for normal device operations and simultaneously provide secure token verification channels for authentication. This multi-functionality reduces the need for dedicated hardware solely for security purposes, thereby limiting the increase in device complexity while maintaining high security reliability.
Solution Approach 2:
The authentication system leverages existing device resources (network interfaces, processor, memory) to perform token verification and security checks without requiring extensive additional hardware. The device uses its own built-in capabilities to authenticate users, reducing the need for external security appliances or complex additional components.
3Reliability
If location-based access control is implemented, then security reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The system performs preliminary location verification through token validation before granting access to sensitive data. By pre-establishing location-based access rules and verifying them through token comparison, the system automatically determines whether the user is authorized based on their location, eliminating the need for manual permission checks and maintaining operational convenience while ensuring security.
Data Source
AI summary
A computing device for controlling the accessibility of data is described herein. A first network interface is configured to communicate via a first network, and a second network interface is configured to communicate via a second network. A processor is coupled to the first and second network interfaces. The processor is configured to make a determination about whether to provide access to data in response to receiving a first token via the first network, and a second token via the second network. The determination about whether to provide access to data is based on a comparison of the first token and the second token.