Multilayer Codebook Encoding for Section-Level Document Security
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Solution Overview
Problem
Existing data storage systems face challenges in efficiently balancing data compression and security, particularly in handling different security levels within documents, as traditional methods either focus solely on compression or encryption, leading to inefficiencies and vulnerabilities.
Innovation Solution
A system and method using multiple codebooks to encode document sections with specific security clearance levels, allowing access only to authorized users, with unauthorized sections redacted, while also providing data compression benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional compression algorithms are used to reduce data size, then storage efficiency is improved, but security is not provided
Solution Approach 1:
The patent combines compression and encryption into a single unified process using multiple codebooks. The encoder simultaneously performs compression and encryption by selecting from multiple codebooks with different security levels, eliminating the need for separate compression and encryption passes while providing both size reduction and security protection.
Solution Approach 2:
The patent divides the encoding process into multiple codebooks, each associated with a specific security clearance level. This segmentation allows different portions of data to be encoded with different security requirements, enabling both compression efficiency and differentiated security protection within the same system.
2Reliability
If encryption algorithms are used to secure data, then security is improved, but data size increases
Solution Approach 1:
The patent merges encryption with compression in a single encoding pass using multiple codebooks. By integrating both functions, the system avoids the data size increase typically associated with separate encryption processes, as the encryption is performed concurrently with compression rather than as a subsequent step.
Solution Approach 2:
The patent changes the parameter of codebook selection based on security requirements. By dynamically selecting from multiple codebooks with different security levels and compression characteristics, the system can adjust the balance between security and data size according to specific needs, rather than using a fixed encryption method that always increases size.
3Reliability
If compression and encryption are applied sequentially in two separate passes, then both functions are achieved, but computational overhead and time requirements increase
Solution Approach 1:
The patent combines compression and encryption into a single encoding pass by using multiple codebooks that simultaneously provide both compression and security functions. This eliminates the need for two separate passes over the data, reducing computational overhead and processing time while maintaining both compression and security benefits.
4Reliability
If traditional multilevel security systems are used, then security clearance levels are provided, but data compression benefits are not achieved
Solution Approach 1:
The patent segments the encoding process into multiple codebooks, each associated with a specific security clearance level. This segmentation enables the system to provide traditional multilevel security clearance control while simultaneously achieving data compression, as each codebook is designed to provide both security and compression functionality for its designated clearance level.
Data Source
AI summary
A system and method for implementing multilayer security in documents using multiple codebooks. The system encodes different sections of a document using codebooks associated with specific security clearance levels. Users can only access sections of the document for which they have appropriate clearance, with unauthorized sections appearing redacted. The system provides granular, section-level security while also offering data compression benefits. Additional features include dynamic reclassification, hierarchical codebooks, expiring access, multi-factor authentication, and user-specific watermarking.