User Equipment Policy Provisioning With MAC Integrity Verification
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Solution Overview
Problem
Existing communication systems face challenges in securely configuring and provisioning user equipment policies across diverse wireless networks, leading to inefficiencies and vulnerabilities in managing user access and network security.
Innovation Solution
Implementing a method for secure configuration and provisioning of user equipment policies using cryptographic techniques and policy management protocols, ensuring secure communication and policy enforcement across various wireless networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional configuration methods are used for user equipment policies, then device compatibility and ease of operation are maintained, but security vulnerabilities and lack of integrity protection occur
Solution Approach 1:
The patent applies preliminary action by pre-configuring integrity protection mechanisms and cryptographic credentials in the user equipment before policy deployment. The integrity protection configuration is established in advance, including setting up cryptographic keys and integrity check algorithms, so that when policies are deployed, they are automatically protected without adding operational complexity.
Solution Approach 2:
The patent introduces an intermediary integrity protection mechanism that mediates between the policy management system and user equipment. This intermediary layer uses cryptographic protocols to verify policy integrity and authenticate equipment, providing security without requiring changes to existing policy management workflows or increasing operational complexity.
2Reliability
If secure cryptographic techniques are implemented for policy provisioning, then security and integrity are improved, but processing overhead and system complexity increase
Solution Approach 1:
The patent applies parameter changes by dynamically adjusting cryptographic parameters based on policy types and equipment categories. Instead of using fixed complex cryptographic protocols for all cases, the system selects appropriate security parameters (such as key lengths, algorithm types, and verification methods) based on the specific policy being deployed, reducing overall system complexity while maintaining necessary security levels.
3Reliability
If comprehensive policy verification is performed across all user equipment, then security is enhanced, but processing time and operational efficiency decrease
Solution Approach 1:
The patent applies partial action by performing comprehensive integrity verification only on critical policy elements and high-risk operations, rather than verifying every aspect of every policy deployment. The system identifies which policy parameters require strict verification based on their security sensitivity, applying full verification only where necessary, thus maintaining security for critical functions while improving operational efficiency for routine operations.
Data Source
AI summary
A method performed by a wireless transmit/receive unit (WTRU) for secure policy provisioning includes receiving a network message including new policy information, a first policy message authentication code (MAC) generated by a network (P-MAC-N), and a policy protection counter (PPC). The WTRU generates a second policy MAC using a security key shared with the network, the new policy information, and the PPC, and verifies the integrity of the network message by determining that the P-MAC-N matches the second policy MAC. After the verification, the WTRU updates the previous policy information of the WTRU using the new policy information based on the match of the P-MAC-N and the second policy MAC.