Multi-Layer Correlation Mark Key Generation
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Solution Overview
Problem
Current security printing methods require multiple keys and rotations to decipher multi-layer correlation marks, which is inefficient and time-consuming, especially when using standard materials like paper and ink.
Innovation Solution
A method and apparatus that generate a multi-layer correlation mark key by determining patterns of both layers and printing a single key that corresponds to both, allowing simultaneous deciphering of both layers without the need for key rotation or multiple keys.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple keys are used to decipher multi-layer correlation marks, then the security level is improved, but the operation complexity and time consumption increase
Solution Approach 1:
The patent combines multiple separate keys into a single integrated key structure. The key includes a first key portion for the first correlation layer and a second key portion for the second correlation layer, allowing both layers to be deciphered simultaneously with one key instead of requiring multiple separate keys.
Solution Approach 2:
The single key serves multiple functions by incorporating both the first key portion and second key portion that can decipher different correlation layers. This multi-functional key eliminates the need for users to handle multiple separate keys while maintaining the security requirements for each layer.
2Reliability
If multiple keys are required for deciphering, then the security protection is enhanced, but the time consumption increases
Solution Approach 1:
The patent merges multiple key functions into a single key structure that can decipher both the first and second correlation layers simultaneously, eliminating the sequential time required to apply multiple separate keys.
Solution Approach 2:
The key is designed in advance with both the first key portion and second key portion integrated into a single structure, so that the deciphering operation can be performed in one action rather than requiring sequential application of multiple keys.
3Ease of operation
If a single key is used for both layers, then the ease of operation is improved, but the manufacturing complexity increases
Solution Approach 1:
The single key is segmented into distinct portions - a first key portion corresponding to the first correlation layer and a second key portion corresponding to the second correlation layer. This segmentation allows the key to be manufactured using standard materials and processes while maintaining the capability to decipher both layers.
Data Source
AI summary
A method, non-transitory computer readable medium and apparatus for generating a multi-layer correlation mark key are disclosed. For example, the method includes determining a first pattern of a first layer of a multi-layer correlation mark, determining a second pattern of a second layer of the multi-layer correlation mark and printing a first key that corresponds to the first pattern and a second key that corresponds to the second pattern on a clear print medium to generate the multi-layer correlation mark key, wherein the multi-layer correlation mark key is overlaid on the multi-layer correlation mark to simultaneously decipher the first layer and the second layer of the multi-layer correlation mark.