Conditional Resource Access via Event-Triggered Decryption
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Solution Overview
Problem
Existing access control methods do not effectively restrict access to resources until a specific event occurs, leaving sensitive information vulnerable to unauthorized access before the intended release time.
Innovation Solution
A method that encrypts a resource and associates it with a parameter indicating a condition for access, where the encryption information is released only upon verification of the specified event, using a processor to determine when the condition is met based on external information, allowing authorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing access control methods are used, then resources are accessible, but sensitive information is vulnerable to unauthorized access before the intended release time
Solution Approach 1:
The resource is encrypted in advance before the designated access time, and the encrypted version is provided to the recipient. The decryption key is withheld until the triggering event occurs, ensuring the resource remains protected beforehand while allowing easy access after the event.
Solution Approach 2:
Encryption and decryption keys serve as intermediaries between the resource and the user. The resource is transformed into an inaccessible form (encrypted) until the key becomes available after the triggering event, mediating the transition from protected to accessible state.
2Reliability
If encryption is applied to protect resources, then data security is enhanced, but access to the resource is restricted until decryption conditions are met
Solution Approach 1:
The encryption is performed in advance, and the encrypted resource is made available immediately. The only delay is in obtaining the decryption key, which occurs automatically when the triggering event happens, minimizing unnecessary access delays.
Solution Approach 2:
The system monitors for the triggering event and automatically releases the decryption key when the event occurs, creating a feedback loop that ensures timely access once the condition is met, reducing the perceived loss of time for authorized users.
Data Source
AI summary
In an approach for protecting a resource, a processor receives a resource and a parameter, wherein the parameter indicates a condition upon which the resource will be made accessible. A processor encrypts the resource. A processor associates the parameter with decryption information for the encrypted resource. A processor sends the encrypted resource to a computing device. A processor determines that the condition of the parameter has been met based on external information regarding the parameter. A processor sends the decryption information to the computing device.