Secure Socket Policy Files for Cross-Domain Communication
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Solution Overview
Problem
Current cross-domain communication technologies lack secure measures for data transmission between computing systems and content providers, making them vulnerable to interception and security breaches.
Innovation Solution
Establishing secure socket connections using secure socket policy files, where a computing system requests and receives a socket policy file via a secure socket connection, specifying security protocols for communication with a content server, thereby ensuring encrypted data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If non-secure socket connections are used for cross-domain communication, then ease of operation is improved, but security is worsened making systems vulnerable to interception and security breaches
Solution Approach 1:
The patent applies preliminary action by requiring the client to obtain a socket policy file before establishing secure socket connections. The policy file is retrieved in advance through a preliminary HTTP request, and the client must validate the policy requirements before proceeding with secure communication. This preliminary step ensures that security parameters are established before actual data transmission begins, resolving the contradiction by maintaining ease of operation while preemptively securing the communication channel.
Solution Approach 2:
The patent introduces an intermediary mechanism in the form of a socket policy file that mediates between the client and content provider domains. The policy file acts as a trusted intermediary containing security parameters and requirements that both parties must adhere to. This intermediary layer enables secure communication by providing a pre-negotiated security framework, allowing the system to maintain ease of operation while implementing robust security measures through the policy file mediation.
2Reliability
If secure socket connections are established using secure socket policy files, then security is improved protecting from interception and modification, but device complexity is worsened
Solution Approach 1:
The patent applies the extraction principle by separating security policy management from the main communication flow. The socket policy file is extracted as a distinct, standalone component that contains all security parameters and requirements. By extracting security policies into a separate file format that can be independently retrieved and validated, the system improves security while reducing the complexity embedded in the communication protocol itself, as security concerns are handled by a separate, standardized policy file rather than being integrated into the connection establishment process.
3Ease of operation
If socket policy files are transmitted without secure connections, then ease of operation is maintained, but harmful factors increase due to vulnerability to interception and modification
Solution Approach 1:
The patent applies preliminary anti-action by requiring the client to establish a secure socket connection specifically for retrieving the socket policy file, rather than transmitting the policy file over unsecured connections. This preliminary secure transmission prevents interception and modification before the policy file is used to establish subsequent communication channels. The client validates the secure connection and policy integrity in advance, countering potential harmful actions before they can affect the communication system.
Data Source
AI summary
Exemplary embodiments involve a computing system requesting and receiving a socket policy file from a policy file server via a secure socket connection, identifying that the security policy requires communicating with a content server via a secure socket connection, and communicating with the content server via a second secure socket connection. The socket policy file specifies a security policy governing socket connections to a content server over a transport protocol layer. Additional embodiments involve requesting a socket policy file via a non-secure socket connection, receiving (via the non-secure socket connection) a placeholder socket policy file requiring requests for socket policy files to be communicated via a secure socket connection, establishing a secure socket connection with the policy file server, and submitting a request for the socket policy file to the policy file server via the secure socket connection.