Virtual Instance Image Verification Without Cryptographic Signatures
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Solution Overview
Problem
Existing image verification methods in cloud computing environments are vulnerable to attacks, as cryptographic signatures can be manipulated by attackers with access to the appropriate keys, and signed images require larger file sizes, posing security risks.
Innovation Solution
Implement a fingerprint-based verification system that generates and stores fingerprints of software artifacts in a database, allowing for validation of images without signatures, and includes admission controllers and sensors to detect and terminate unauthorized instances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cryptographic signatures are used to verify images, then image verification reliability is improved, but storage space requirement increases and security vulnerability increases
Solution Approach 1:
The patent extracts the verification function from the image file itself by using a separate fingerprint database. Instead of embedding signatures within the image (which increases file size), the system stores only the fingerprint in the database and references it during verification, separating the verification data from the image content.
Solution Approach 2:
The patent creates a fingerprint copy of the image for verification purposes rather than using the original image data. The fingerprint serves as a condensed representation that can be stored and compared without requiring the full image file, enabling verification while minimizing storage requirements.
2Reliability
If cryptographic signatures are used to verify images, then image verification reliability is improved, but system security decreases due to key manipulation vulnerabilities
Solution Approach 1:
The patent replaces the cryptographic signature system with a fingerprint-based verification mechanism. Instead of using cryptographic keys that can be manipulated, the system uses deterministic fingerprint generation and database lookup, eliminating the security vulnerabilities associated with key management and manipulation.
Solution Approach 2:
The patent introduces a fingerprint database as an intermediary between the image and the verification process. This intermediary stores verified fingerprints and enables validation without requiring direct access to cryptographic keys, thereby mediating the verification process and eliminating key manipulation vulnerabilities.
3Weight of stationary object
If fingerprints are generated and stored in a database for verification, then storage overhead is reduced, but system complexity increases
Solution Approach 1:
The patent segments the verification system into distinct functional components: fingerprint generation module, database storage, and verification module. This segmentation allows each component to be optimized independently and simplifies the overall system architecture by dividing the verification process into manageable steps.
Solution Approach 2:
The patent performs fingerprint generation and database storage as preliminary actions before the actual verification process. By pre-computing and storing fingerprints, the system simplifies the verification step to a simple database lookup, reducing the complexity of the real-time verification process.
Data Source
AI summary
A system and method for signatureless validation of virtual instances in a computing environment is presented. The method includes detecting a request to deploy an instance based on a software artifact in the computing environment; generating a first fingerprint based on the software artifact; querying a fingerprint database, including a plurality of validated fingerprints, to determine if the first fingerprint is stored therein, each validated fingerprint corresponding to a software artifact; deploying the instance in response to detecting the first fingerprint in the fingerprint database; and blocking deployment of the instance in response to determining that the first fingerprint is not stored in the fingerprint database.