Spatial Temporal Device Verification Certificate Validation
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Solution Overview
Problem
Modern communication systems relying on public/private cryptographic key pairs for user and device verification are vulnerable to unauthorized access when integrity-based certificates or user devices are stolen or compromised.
Innovation Solution
Implementing a method for spatial and temporal verification of users and devices through short wireless communication, where a user device detects a certificate device, initiates a session, and receives an updated integrity-based certificate upon providing a valid one, ensuring continuous network access while preventing unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If integrity-based certificates are used for user and device verification, then verification reliability is improved, but security is worsened when certificates or devices are stolen or compromised
Solution Approach 1:
The patent implements dynamic certificate validation by checking not only the cryptographic integrity of certificates but also temporal validity (whether the certificate is currently active) and spatial context (whether the device is in an authorized location). This dynamic approach allows the system to revoke access even for previously valid certificates if the device is found in unauthorized locations or if the certificate expires, thereby resolving the contradiction between maintaining verification reliability and preventing unauthorized access from stolen devices.
Solution Approach 2:
The system establishes a feedback loop where certificate validity is continuously monitored through multiple verification checks (integrity validation, temporal expiration checks, and spatial location verification). When any check fails, the system provides feedback by denying access and potentially revoking the certificate. This feedback mechanism enables the system to respond to security threats in real-time, maintaining verification reliability while preventing unauthorized access from compromised devices.
2Object-affected harmful factors
If spatial and temporal verification is implemented, then security against unauthorized access is improved, but device complexity increases
Solution Approach 1:
The patent segments the verification process into distinct modular components: cryptographic integrity validation, temporal validity checking, and spatial location verification. Each component operates independently and can be implemented as a separate function or module. This segmentation reduces overall system complexity by making each verification step manageable and testable in isolation, while collectively providing comprehensive security against unauthorized access.
Solution Approach 2:
The system performs preliminary verification checks before granting access, including validating certificate integrity, checking expiration dates, and verifying device location against authorized areas. By conducting these checks in advance of actual access decisions, the system prevents unauthorized access without requiring complex real-time analysis during the access moment, thereby reducing operational complexity while maintaining strong security.
Data Source
AI summary
Approaches for facilitating spatial and temporal verification of users and/or user devices are disclosed. In some implementations, a user device may be detected within a short wireless communication range. A wireless communication session with the user device may be initiated based on the detection. Information identifying a first integrity-based certificate may be received from the user device during the wireless communication session during a first time period. Information identifying a second integrity-based certificate associated with a second time period may be provided responsive to determining that the first integrity-based certificate is a valid integrity-based certificate associated with the first time period. The second integrity-based certificate may be configured to allow network access for the user device during the second time period.