Color Barcode Encoding for Multi-Party Authentication
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Solution Overview
Problem
Existing two-dimensional barcodes require a common encoding protocol for multiple parties, necessitating an impartial third party for secure cross-business use of coupons or certificates, which is inefficient and lacks flexibility for storing confidential information from different sectors.
Innovation Solution
A color barcode system using triangles and parallelograms as symbolic elements, where direction information and color information are encoded independently to store authentication data from two parties, allowing for secure and flexible storage of confidential information without the need for a common protocol.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a common encoding protocol is used for multiple parties in existing 2D barcodes, then the barcode can store confidential information from different parties, but an impartial third party is required to establish the protocol and the system becomes complex and inflexible
Solution Approach 1:
The patent segments the barcode into multiple independent encoding layers, each capable of storing confidential information from different parties independently. This eliminates the need for a complex common encoding protocol while maintaining the ability to store information from multiple parties.
Solution Approach 2:
The patent transitions from traditional single-layer 2D barcodes to multi-layer color barcodes, adding a color dimension to the encoding structure. This dimensional expansion enables independent encoding of multiple parties' confidential information without requiring complex protocol negotiations.
2Reliability
If traditional 2D barcodes are used for cross-business coupons or certificates, then authentication can be performed through network and backstage verification, but the system requires negotiation and common protocols between parties which reduces operational efficiency
Solution Approach 1:
The color barcode system enables self-verification through its inherent multi-layer encoding structure. Each party's confidential information is independently encoded, allowing the system to verify authenticity without requiring complex inter-party negotiations or third-party protocol establishment, thus improving operational efficiency.
3Reliability
If existing barcodes are applied to costly certificates with special patterns, then security is enhanced, but the barcode structure becomes complex and requires special printing requirements
Solution Approach 1:
The patent utilizes color variations as a fundamental encoding mechanism in the barcode structure. By incorporating multiple color layers that encode different parties' confidential information independently, the system enhances security for costly certificates without requiring complex special patterns or stringent printing requirements.
Data Source
AI summary
A method, an apparatus, and a system for generating and verifying a color barcode are provided. The method for verifying the color barcode is adapted to an electronic apparatus to execute verification with use of a color barcode certificate. In the method, direction information of a plurality of boundaries among a plurality of serially connected symbolic elements in the color barcode certificate is read to retrieve first authentication information of a first party. Each of the symbolic elements is one of at least two polygons, and colors of adjacent symbolic elements are different. Color information of the symbolic elements is then read to retrieve second authentication information of a second party. An identity of a holder of the color barcode certificate is verified according to the first authentication information and the second authentication information.