Nucleic Acid Authentication System for DNA Integrity
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Solution Overview
Problem
Current technologies lack effective methods to securely authenticate and verify the origin and integrity of nucleic acid (NA) molecules, particularly synthetic DNA, which are prone to modifications and misuse, posing challenges for intellectual property protection and tracing in research and biotechnological applications.
Innovation Solution
A nucleic acid authentication system that generates and verifies digital signatures by encrypting NA sequences with unique identifiers, ensuring the integrity and authenticity of NA molecules through secure encryption methods and error correction codes, allowing for secure tracking and validation of NA samples.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital signatures are incorporated into NA sequences to ensure authenticity and integrity, then security and reliability are improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The digital signature is embedded within the NA sequence itself by converting the signature into a nucleic acid sequence that is inserted into the original NA molecule. This nesting approach integrates the authentication mechanism directly into the target object, ensuring that the signature becomes an intrinsic part of the NA molecule rather than a separate component, thereby improving reliability while managing complexity.
Solution Approach 2:
A cryptographic mapping function serves as an intermediary that converts the digital signature into a form suitable for incorporation into NA sequences. This mediator transforms the abstract cryptographic concept into a concrete biological sequence, bridging the gap between digital security mechanisms and biological molecules, which resolves the contradiction by providing a systematic translation layer.
2Object-affected harmful factors
If cryptographic mapping and encryption are used to protect NA sequences, then security against tampering is improved, but manufacturing precision and ease of manufacture deteriorate
Solution Approach 1:
The digital signature is generated and mapped to a nucleic acid sequence before the actual NA synthesis process. By performing the cryptographic transformation in advance and preparing the signature sequence beforehand, the system eliminates the need for complex real-time cryptographic operations during manufacturing, thereby maintaining security while simplifying the manufacturing process and improving precision.
3Reliability
If unique identifiers and encrypted mapped values are incorporated into NA molecules, then traceability and security are improved, but loss of information and complexity increase
Solution Approach 1:
The system changes the parameter representation by converting the digital signature from a traditional binary format into a nucleic acid sequence format. This parameter transformation allows the signature information to be stored using the natural encoding system of DNA (four nucleotide bases), which is highly efficient for biological storage and retrieval, thereby reducing information overhead while improving traceability.
Data Source
AI summary
Systems and methods for generating and tracking molecular digital signatures to ensure authenticity and integrity of NA molecules are disclosed. In some embodiments, a NA authentication system includes a NA authentication device coupled to one or more user devices. Methods for generating a signed NA sequence, validating a signed NA sequence, and detecting/correcting potential errors within a user allowable limit using a NA authentication system are disclosed. Methods for associating a signed NA sequence with a digital representation of the NA sequence, using a NA authentication system, are disclosed.