Admin Access Recovery Using Staged Key Verification
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Solution Overview
Problem
Existing certificate-based authentication systems in identity and access management fail when admin certificates expire, leading to access denial and potential security vulnerabilities, necessitating secure and efficient recovery mechanisms.
Innovation Solution
A gradual access recovery process involving a voting operation with multiple control points, where admin certificates are reinstated through a series of single-use keys verified at different stages, ensuring secure and limited-time permissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If certificate-based authentication is used for secure access control, then security is improved, but access recovery becomes difficult when certificates expire
Solution Approach 1:
The patent introduces a recovery key as an intermediary mechanism that mediates between the expired certificate system and the need for admin access recovery. The recovery key serves as a temporary credential that allows administrators to regain access without compromising the overall certificate-based security architecture. This intermediary enables secure access recovery while maintaining the integrity of the certificate authentication system.
Solution Approach 2:
The system performs preliminary action by pre-configuring recovery keys and establishing recovery procedures before certificate expiration occurs. The recovery mechanism is prepared in advance, allowing for seamless access recovery when certificates expire, rather than attempting to establish recovery processes after the fact when security constraints are most restrictive.
2Ease of operation
If admin access is fully restored after certificate expiration, then ease of operation is improved, but security vulnerabilities increase
Solution Approach 1:
The patent segments the admin access restoration process into multiple controlled stages rather than providing full immediate access. The recovery key grants limited, time-bound access that is segmented from full administrative privileges. This segmentation allows the system to restore operational access while maintaining security controls, preventing complete vulnerability exposure even if the recovery mechanism is compromised.
Solution Approach 2:
The access rights associated with the recovery key are dynamic rather than static. The system implements time-limited validity for recovery keys and can adjust the scope of permissions granted during the recovery process. This dynamic approach allows access to be restored sufficiently for operational needs while automatically expiring or revoking privileges to prevent long-term security vulnerabilities.
3Ease of operation
If basic username/password authentication is used, then ease of operation is improved, but long-term security is insufficient
Solution Approach 1:
The system enables self-service through automated certificate management and recovery key generation. Instead of requiring manual password changes or complex authentication updates, the system automatically handles certificate lifecycle management and provides self-service recovery mechanisms. This maintains operational simplicity while using stronger cryptographic authentication methods underneath.
Data Source
AI summary
Reinstating access to a system of an admin whose certificate is invalid or expired is disclosed. A requestor may send a request for reinstatement to tenant admins. The initiating tenant admin may initiate a voting operation to reinstate the requestor as an admin of a computing system. During the voting operation, multiple control points are implemented. At each control point, a key of the requestor is verified. The voting operation only proceeds when the key verification is successful. The voting operation is a gradual access recovery process where required keys are revealed over time and in a specific sequence.