Secure Mail Receiver Access Using Cryptographic Lock Control
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Solution Overview
Problem
Existing mail delivery systems lack secure and efficient methods for private, authorized access to mail receiving containers, particularly in rural or suburban areas, leading to issues with unauthorized access and long distances for customers to collect their shipments.
Innovation Solution
An intelligent mail receiving container with a lockable door controlled by an electronically controllable locking device, utilizing a cryptographic security module for authentication and encryption, and a communication unit for data transmission, allowing only authorized individuals to access and retrieve shipments, and enabling reservation and confirmation processes through a connected server infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical locking system is used for mail receiving containers, then the system is simple and maintenance-free, but it cannot prevent unauthorized access through key copying and lacks authentication capabilities
Solution Approach 1:
The patent replaces mechanical locking systems with electronic authentication systems. The mechanical key-based locking is substituted by electronic access control using delivery codes, cryptographic security modules, and electronic control units that verify authentication data before actuating the locking mechanism. This provides superior security against unauthorized access while maintaining operational simplicity through automated electronic verification.
Solution Approach 2:
The patent introduces a cryptographic security module as an intermediary between the authentication request and the locking mechanism. This security module cryptographically verifies delivery codes and manages authentication data, acting as a secure mediator that enhances security without requiring complex external authentication infrastructure.
2Ease of operation
If centralized packing stations are used for mail collection, then mail carriers can deliver to a central location, but customers must travel long distances and the system does not reduce environmental pollution
Solution Approach 1:
The patent segments the centralized mail collection system into distributed individual mail receiving containers placed at or near customer locations. Instead of one centralized packing station serving many customers, multiple distributed containers allow each customer to access their mail locally, eliminating the need for long travel distances and reducing environmental pollution from customer transportation.
Solution Approach 2:
The patent transitions from a centralized spatial model to a distributed spatial model by placing mail receiving containers in the dimension of individual customer locations rather than consolidating them in a single central location. This dimensional shift from centralization to distribution enables local access while maintaining security and traceability.
3Ease of operation
If mail receiving containers are distributed to individual locations, then customer access is convenient, but security against unauthorized access and vandalism increases
Solution Approach 1:
The patent replaces simple mechanical locks with electronic access control systems that verify delivery codes through cryptographic security modules. This substitution provides robust security against unauthorized access and vandalism while maintaining convenient customer access through automated electronic authentication. The electronic control unit actuates the locking mechanism only after successful verification of the delivery code.
Solution Approach 2:
The patent implements feedback mechanisms where the electronic control unit continuously monitors authentication attempts, verifies delivery codes against stored data, and provides traceability information. The system feedbacks security status, access authorization, and delivery confirmation data to mail carriers and customers, enabling real-time security monitoring and response to unauthorized access attempts.
4Reliability
If cryptographic security modules are implemented for authentication, then security against unauthorized access is enhanced, but device complexity and cost increase
Solution Approach 1:
The patent uses a cryptographic security module as a self-contained intermediary that encapsulates complex cryptographic functions. This modular security module handles all authentication verification, delivery code validation, and cryptographic operations internally, shielding the rest of the system from complexity while providing high-level security. The security module communicates through standardized interfaces, simplifying integration despite its internal complexity.
Data Source
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AI summary
The invention relates to a mail receiving container comprising at least one receiving box (11◆) and an electronically controllable locking device (61◆), which is controlled by an electronic control unit to lock or unlock access to the receiving box, as well as input means (4◆, 9◆) and output means (5◆) of the electronic control unit. The electronic control unit includes a security module (3◆) and a communication unit (31◆), which are operationally connected to a microcomputer (20◆) of the electronic control unit. The microcomputer (20◆) is operationally connected to at least one input means (4◆, 9◆), wherein the microcomputer (20◆) is programmed to verify authorization and the security module (3◆) to decrypt messages, or the security module (3◆) to decrypt messages and to verify authentication.