Secure Social Network Data Sharing via Random Key Encryption
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Solution Overview
Problem
Social networking users face insecurity issues as non-trusted social network operators can access and misuse shared information, especially in enterprise environments where confidential data is exchanged, due to the lack of end-to-end encryption and trust in cloud-hosted infrastructure.
Innovation Solution
Implementing methods and apparatuses for secure information sharing using randomly selected keys, where users encrypt data with a random key, then encrypt this key with a second key, creating a message structure that allows only authorized users to decrypt and access the shared data, ensuring secure communication even when the social network operator is not trusted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users share information through social network infrastructure hosted by non-trusted operators, then communication convenience and accessibility are improved, but security and confidentiality of shared information deteriorate
Solution Approach 1:
The patent introduces cryptographic intermediaries (public key infrastructure, digital signatures, and encrypted channels) that mediate between users and the social network infrastructure. These cryptographic mechanisms allow users to communicate through the social network without trusting the operator, as the operator cannot decrypt or access the encrypted communications. The intermediary cryptographic layer protects information while maintaining the convenience of social network communication.
2Reliability
If end-to-end encryption is implemented to prevent operator access, then information security is improved, but system complexity and implementation difficulty increase
Solution Approach 1:
The patent leverages existing universal cryptographic standards and protocols (such as RSA, ECC, digital signatures) that are already widely implemented in various applications. By reusing these established cryptographic building blocks, the system achieves end-to-end encryption without requiring entirely new complex mechanisms. The multi-functionality of standard cryptographic libraries reduces implementation complexity while maintaining strong security.
3Reliability
If cryptographic protocols are added to secure communications, then information confidentiality is improved, but computational overhead and processing time increase
Solution Approach 1:
The patent performs cryptographic key exchange and establishment of secure channels in advance before actual information sharing occurs. Public keys are generated beforehand, and cryptographic parameters are established prior to communication. This preliminary cryptographic setup allows subsequent information exchange to use efficient symmetric encryption with pre-shared keys, reducing computational overhead during actual communication while maintaining strong confidentiality.
Data Source
AI summary
There can be problems with the security of social networking communications. For example, there may be occasions when a number of friends wish to communicate securely through a social network infrastructure, such that non-trusted 3rd-party entities, such as a Social Network Operator or host that provides the application infrastructure, does not overhear the communication. In response to the above problems, embodiments presented propose a set of innovative, lightweight solutions, considering that in certain scenarios the Social Network Operator may not be a trusted entity. Embodiments of the present invention are directed to methods and apparatuses for secure information sharing in social networks using random keys.