Document Compatibility Determination Using Encrypted Tokens
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Solution Overview
Problem
Current document comparison methods, particularly in contract analysis, often require parties to disclose confidential contract contents, making it difficult to determine compatibility without revealing sensitive information.
Innovation Solution
A system and method using computing devices and processors to analyze documents by generating and comparing tokens associated with contract elements, determining compatibility without exposing the contents, using algorithms like the garbled circuits algorithm to identify and encrypt token values, ensuring confidentiality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If document contents are disclosed to determine compatibility, then compatibility determination is achieved, but confidential information is revealed
Solution Approach 1:
The patent introduces tokens as intermediary representations of document elements. Instead of directly comparing confidential document contents, the system generates tokens from document elements and compares these tokens to determine compatibility. The tokens serve as mediators that preserve the ability to assess compatibility while protecting the underlying confidential information from direct exposure.
Solution Approach 2:
The patent creates token copies that represent document elements without revealing the original confidential content. These token copies contain sufficient information to determine compatibility while being anonymized versions of the actual document elements, thus enabling comparison without direct disclosure of sensitive information.
2Ease of operation
If traditional document comparison methods are used, then compatibility can be assessed, but confidential information must be disclosed
Solution Approach 1:
Tokens act as intermediaries between the confidential document contents and the compatibility assessment process. The system operates on token representations rather than direct document content, maintaining ease of compatibility assessment while introducing a protective layer that prevents confidentiality breaches.
Solution Approach 2:
The patent transforms document elements into token parameters through a generation process. This parameter transformation changes the form of the information from readable confidential content to structured token representations that can be compared for compatibility without revealing the original sensitive information.
Data Source
AI summary
A method for determining document compatibility between documents stored locally on a plurality of user devices, while maintaining the confidentiality of each of the respective documents. The method includes requesting and receiving a token from each of the plurality of user devices, the token indicative of the presence or absence of a specific element in each respective document. The method further includes comparing the value of each of the respective tokens. When each of the tokens have a true value, the specific element for each respective document to be compatible and sends a message to each of the plurality of user devices indicating the compatibility of the respective documents. When at least one of the tokens has a false value, the specific element for each respective document to be incompatible and sends a message to each of the plurality of user devices indicating the incompatibility of the respective documents.