Physical Mail Encryption via Scannable Barcodes

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Solution Overview

Problem

The physical delivery of items and packages is vulnerable to security breaches, as mail left in a mailbox can be stolen and sensitive information can be intercepted by malicious third parties.

Innovation Solution

A method and apparatus that encrypts message portions using scannable encryption mechanisms on a physical medium, requiring decryption by the recipient based on their identity information, and includes confirmation mechanisms to ensure secure delivery and acceptance of message contents.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If physical mail is delivered through traditional postal services, then delivery convenience and accessibility are improved, but security vulnerabilities increase as mail can be stolen and sensitive information intercepted

Engineering Contradiction:
Improvedelivery convenienceVSAvoidsecurity vulnerabilities
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The message is divided into multiple encrypted portions, each requiring a separate decryption mechanism. This segmentation ensures that even if one portion is intercepted, the complete message remains secure, directly addressing the security vulnerability while maintaining physical delivery convenience

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Encryption mechanisms are applied to the message portions before physical delivery occurs. The scannable encryption mechanisms are pre-placed on the physical medium, and decryption mechanisms are pre-transmitted to the recipient's device, ensuring security is established before the mail reaches the recipient

Inventive Principle:
Principle #10Preliminary action

2Object-affected harmful factors

If encryption mechanisms are applied to message portions, then security is improved, but device complexity and processing requirements increase

Engineering Contradiction:
ImprovesecurityVSAvoidencryption system complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

Traditional complex cryptographic systems are replaced with scannable visual mechanisms that can be processed by standard mobile device cameras and image recognition algorithms. This substitution reduces device complexity while maintaining security through the use of optical scanning instead of complex computational decryption

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

3Object-affected harmful factors

If multiple encrypted portions are used, then security against interception is improved, but time required for decryption and processing increases

Engineering Contradiction:
Improveinterception resistanceVSAvoiddecryption time
Core Design Contradiction:
Object-affected harmful factorsVSLoss of time

Solution Approach 1:

Complex computational decryption is replaced with optical scanning of visual mechanisms. This allows multiple encrypted portions to be quickly processed by the recipient's device camera, significantly reducing decryption time while maintaining security through multiple encrypted segments

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

4Reliability

If confirmation mechanisms are implemented, then delivery verification is improved, but communication overhead and processing steps increase

Engineering Contradiction:
Improvedelivery verificationVSAvoidcommunication protocol complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system implements automatic confirmation mechanisms where the recipient's device sends verification signals back to the sender's device upon successful decryption and viewing of the message. This feedback loop provides reliable delivery verification without requiring complex manual confirmation protocols

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11250156B2System for encrypting and mailing sensitive information
Publication Date: 2022.02.15 CAPITAL ONE SERVICES LLC
  • US11250156B2 patent drawing
  • US11250156B2 patent drawing
  • US11250156B2 patent drawing

AI summary

Various embodiments are generally directed to techniques to enhance the security of physically delivered packages, items, or products, including postal mail. An article of manufacture associated with the enhanced security of one or more embodiments of the present disclosure can include: a container with a postage, a physical medium in the container, wherein the physical medium contains a sender message embodied on the surface of the physical medium, and wherein the sender message comprises: an unencrypted message, and two or more encrypted portions of a plurality of terms of service, where each of the two or more encrypted portions of the plurality of terms of service are associated with a distinct barcode corresponding to each of the two or more encrypted portions.