Shared Session Tokens for Cross-Application MFA Reuse

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Solution Overview

Problem

Existing authentication systems require repetitive and time-consuming multifactor authentications, disrupting user productivity and failing to leverage shared authentication across different applications due to inherent distrust between systems.

Innovation Solution

A shared session token system is implemented using an authentication service that generates and manages shared tokens securely, allowing seamless authentication across multiple applications by creating a shared token that is encrypted and managed by a security agent, reducing redundant authentications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional authentication systems are used for each application, then security is maintained through individual authentications, but user productivity decreases due to repeated authentication requirements

Engineering Contradiction:
ImprovesecurityVSAvoiduser productivity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent merges authentication sessions across multiple applications by implementing a shared session state mechanism. The authentication service maintains a unified session that can be accessed by multiple applications, allowing users to authenticate once and gain access to multiple applications without repeating the authentication process. This combining of authentication states resolves the contradiction by maintaining security through centralized session management while improving productivity by eliminating redundant authentications.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The authentication service implements a universal session token that serves multiple applications simultaneously. Instead of creating separate authentication mechanisms for each application, the system creates a multi-functional session state that can be reused across different applications. This universal approach maintains security through a single authentication service while enabling users to access multiple applications without repeated authentications, thereby resolving the productivity-security contradiction.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If repeated multifactor authentications are required across different applications, then security is strengthened, but user experience deteriorates due to time-consuming processes

Engineering Contradiction:
ImprovesecurityVSAvoiduser experience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system performs preliminary authentication through a unified authentication service before applications require individual authentications. By establishing the session state in advance through the authentication service, the system prepares authentication credentials that can be reused across applications. This preliminary action maintains security through initial multifactor authentication while improving user experience by eliminating the need for repeated authentication processes across different applications.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The authentication service acts as an intermediary between users and multiple applications, managing session states centrally. Instead of requiring users to interact with each application's authentication mechanism separately, the intermediary authentication service handles authentication once and manages the shared session state. This intermediary approach maintains security through centralized control while significantly improving user experience by reducing authentication friction across applications.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If individual authentication sessions are maintained for each application, then security isolation is achieved, but system complexity increases due to multiple session states

Engineering Contradiction:
Improvesecurity isolationVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts session state management from individual applications and centralizes it in a dedicated authentication service. By taking out the session management functionality from each application and consolidating it in a single authentication service, the system maintains security isolation through centralized control while reducing overall system complexity. Applications no longer need to maintain separate session states, eliminating redundant complexity while preserving security through the authentication service's unified session management.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS12627473B2Authentication service with shared session tokens for sharing authentication
Publication Date: 2026.05.12 CISCO TECHNOLOGY INC
  • US12627473B2 patent drawing
  • US12627473B2 patent drawing
  • US12627473B2 patent drawing

AI summary

Disclosed are systems, apparatuses, methods, computer readable medium, and circuits for sharing multifactor authentication with shared session tokens using an authentication service. According to at least one example, a method includes: in response to receiving a request to check an authentication status from a first application, transmitting a first message to an authentication service including shared information; providing first authentication credentials related to a first authentication to the authentication service; and receiving a message related to a second authentication to bypass the second authentication.