Federated Data Processing With Challenge-Response Key Provisioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing centralized management of local tokenization and encryption tasks faces challenges in balancing speed and data security, particularly due to vulnerabilities in transmitting cryptographic material over insecure networks.
Innovation Solution
A centralized computing device configures remote devices with data planes to execute algorithms securely, using challenge-response and multi-factor authentication to manage sensitive material, ensuring periodic heartbeat checks and temporary storage to prevent replay attacks and maintain security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cryptographic material is transmitted over networks for centralized management, then data security is improved, but vulnerability to network attacks increases
Solution Approach 1:
The patent extracts cryptographic material from network transmission by implementing local tokenization where cryptographic blobs reside exclusively on remote devices. This eliminates the vulnerable transmission channel while maintaining centralized management capabilities through secure provisioning and revocation mechanisms.
Solution Approach 2:
The patent introduces an intermediary approach by using a provisioning service that securely distributes cryptographic material to remote devices without requiring ongoing network transmission. The intermediary mechanism ensures cryptographic material is delivered through secure channels and stored locally, reducing continuous network exposure.
2Reliability
If local tokenization is implemented without centralized management, then data security is improved, but management complexity increases
Solution Approach 1:
The patent implements a universal management architecture where a single centralized provisioning service handles multiple functions: cryptographic material generation, secure distribution, device authentication, token revocation, and compliance monitoring. This multi-functional approach consolidates management complexity into a unified system rather than requiring separate mechanisms for each function.
Solution Approach 2:
The patent changes the management model from distributed ad-hoc configuration to centralized parameter-driven control. The provisioning service uses standardized parameters and policies to manage cryptographic material across multiple devices, transforming complex individual device management into simplified parameter-based control.
3Productivity
If cryptographic material is stored locally on remote devices, then processing speed is improved, but security risks increase
Solution Approach 1:
The patent applies preliminary action by pre-provisioning cryptographic material securely on remote devices before data processing occurs. This allows local tokenization to execute rapidly without real-time network dependency, while the preliminary secure provisioning ensures cryptographic material is delivered through authenticated channels with embedded security controls.
Solution Approach 2:
The patent implements feedback mechanisms where the centralized provisioning service monitors and manages cryptographic material on remote devices. Through heartbeat signals and status reporting, the system receives feedback on local cryptographic material usage, enabling continuous security verification and rapid revocation if anomalies are detected, thus maintaining security while enabling local processing.
Data Source
AI summary
Systems, methods, and apparatuses are described for securely federating data processing tasks on remote client devices. A computing device may cause one or more remote client devices to securely execute algorithms. The computing device may then receive, from one of those algorithms, a request for secure material usable to process data using the algorithm. The computing device may generate and transmit an encrypted challenge token, and the algorithm may respond with an updated request comprising a processed form of the challenge token. The computing device may then validate the request and, if validation succeeds, transmit the sensitive material. The computing device may then cause the remote client device to process data using the algorithm and the sensitive material.