Digital Signing Policy for Document Integrity and Control
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Solution Overview
Problem
Users are hesitant to adopt digital signatures due to confusion about what constitutes a digital signature and lack of control over document alterations, leading to the use of paper-based signing methods which negate the advantages of digital documents.
Innovation Solution
A digital signing policy that stores documents as logical parts, allowing users to specify which parts to digitally sign and ensuring that any alterations invalidate the signature, thus maintaining the document's original configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If digital signatures are used to sign documents, then productivity and efficiency are improved, but users lose control over document alterations and confidence in document integrity
Solution Approach 1:
The document is divided into multiple parts with different signing policies applied to each part. Some parts are marked as signed and protected from alteration, while other parts allow controlled modifications. This segmentation enables selective digital signing that maintains both efficiency and integrity control.
Solution Approach 2:
The signing policy is made dynamic by allowing different parts of the document to have different signing states and modification permissions. The system dynamically determines which parts can be altered and which must remain intact, providing flexible control over document integrity while maintaining signing efficiency.
2Reliability
If digital signatures are applied to entire documents, then document integrity is protected, but flexibility for controlled modifications is lost
Solution Approach 1:
The document is segmented into multiple parts with differential signing policies. Certain parts are digitally signed and protected, while other parts are designated as modifiable. This allows the document to maintain integrity where needed while permitting flexibility in other areas.
Solution Approach 2:
Different parts of the document have different quality attributes regarding signing and modification. Some parts have strict integrity protection while others allow controlled changes. This local differentiation enables both document integrity and modification flexibility to coexist.
3Reliability
If documents are printed and signed manually, then user confidence and control are maintained, but productivity and efficiency are reduced
Solution Approach 1:
The mechanical process of printing and manual signing is replaced with a digital signing system that provides equivalent or superior confidence and control. The digital signing policy with part-based protection replicates the assurance of manual signing while eliminating the need for physical printing and handling.
4Ease of operation
If digital signatures are used without part-based policies, then simplicity is maintained, but control over specific document parts is lost
Solution Approach 1:
The document is automatically segmented into signable parts and modifiable parts based on predefined policies. This segmentation provides granular control over specific document portions while maintaining the simplicity of digital signing operations. Users don't need to manually manage the segmentation - it is handled by the system based on the signing policy.
Data Source
AI summary
Techniques relating to directed digital signing policy are described. In one instance, a system includes means for storing a document as a plurality of logical parts. The system also includes means for establishing a document configuration when a digital signature is applied to the document, and means for indicating whether the document configuration is subsequently altered.