Dynamic Password Generation via Biometric Audio Compression

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Solution Overview

Problem

Conventional static passwords are vulnerable to attacks and require frequent changes, which are burdensome for users, as they do not dynamically alter during the authentication process.

Innovation Solution

A client application generates a dynamic password by recording user input pressure, simulating friction sounds, and compressing audio files using time-based logic, which are then transmitted and reconstructed for authentication, incorporating biometric markers and packet fragmentation for enhanced security.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If static passwords are used for authentication, then the system is simple to operate, but the password is vulnerable to attacks and requires frequent changes

Engineering Contradiction:
Improvepassword securityVSAvoiduser burden
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent transforms static passwords into dynamic passwords that automatically change based on biometric data (pressure, friction, timing). The password is no longer a fixed string but a living credential that adapts to the user's physical characteristics, making it both more secure and easier to use without manual changes

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes multiple parameters of the password including pressure values, friction coefficients, timing intervals, and contact surface selections. These parameter variations create unique password instances for each authentication attempt while maintaining ease of use through automatic biometric capture

Inventive Principle:
Principle #35Parameter changes

2Reliability

If frequent password changes are implemented, then password security is improved, but user burden increases

Engineering Contradiction:
Improvepassword securityVSAvoidtime for password changes
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs password generation and updates automatically without user intervention. Biometric sensors continuously capture pressure, friction, and timing data, and the system autonomously generates new password instances, eliminating the time users would spend manually changing passwords while maintaining high security

Inventive Principle:
Principle #25Self-service

3Reliability

If dynamic password generation with biometric markers is implemented, then password security is enhanced, but device complexity increases

Engineering Contradiction:
Improvepassword securityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces traditional mechanical password entry (typing on keyboards) with biometric sensing systems that automatically capture pressure, friction, and timing data. This substitution enhances security through unique physiological markers while the automated nature of biometric capture mitigates the complexity burden on users

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Reliability

If packet fragmentation with split bytes is used during transmission, then transmission security is improved, but processing complexity increases

Engineering Contradiction:
Improvetransmission securityVSAvoidprocessing complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent divides the password data into multiple fragmented packets with embedded split bytes that act as authentication keys. Each packet is independently transmitted and can be verified without reconstructing the entire password, enhancing transmission security while distributing processing load across multiple points in the system

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11531741B2Dynamic password generation
Publication Date: 2022.12.20 BANK OF AMERICA CORP
  • US11531741B2 patent drawing
  • US11531741B2 patent drawing
  • US11531741B2 patent drawing

AI summary

Systems, methods and apparatus are provided for altering a static password between entry and authentication using a dynamic logic. A client application may receive entry of a user password and record an amount of pressure associated with the entry. The client application may dynamically select a virtual contact surface material and generate audio files corresponding to writing or typing the password characters on the selected surface material with the recorded amount of pressure. The client application may compress the audio files by embedding them within the same digital space according to a time-based logic. The dynamic password files may be routed to a central server. Data packet fragmentation may further improve security during transmission. The central server may reconstruct the password for authentication using the time-based logic.