Secure Content Sharing via Source Authentication
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Solution Overview
Problem
Existing content sharing technologies among electronic devices face challenges in maintaining security during the sharing process, particularly when sensitive contents are copied or moved from one device to another, as devices like desktop PCs are less secure and exposed to unauthorized users.
Innovation Solution
A method and apparatus that apply security processing to contents before sharing, requiring authentication through the source device to release the security, ensuring that only authorized users can access the contents by using encryption, hiding settings, piggybacking, notification settings, and watermarking, and authenticating users to manage access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If contents are copied or moved from a secure device to a less secure device for sharing, then content accessibility and sharing functionality are improved, but security and privacy protection deteriorate
Solution Approach 1:
The patent applies security processing to contents before sharing them across devices. The source device performs encryption, hiding settings, piggybacking, notification settings, or watermarking on the contents prior to transmission, ensuring security is established in advance rather than attempted after the fact.
Solution Approach 2:
The patent introduces an authentication mechanism as an intermediary between the source device and target device. The target device must authenticate with the source device to obtain authorization for accessing the shared contents, creating a secure intermediary layer that prevents unauthorized access even when contents are on less secure devices.
2Reliability
If security processing is applied to contents before sharing, then security and privacy protection are improved, but device complexity and authentication requirements increase
Solution Approach 1:
The patent implements a universal authentication framework that can handle multiple types of security processing (encryption, hiding, piggybacking, notification, watermarking) through a single authentication interface. The authentication module on the target device can request and verify authorization for any of these security types without requiring separate authentication systems for each security method.
Solution Approach 2:
The patent changes the security parameters of contents through various processing methods (encryption keys, hiding settings, piggybacking data, notification settings, watermarking) that can be applied and removed through standardized authentication operations, making the security system flexible rather than fixed in complexity.
3Ease of operation
If contents are shared across multiple electronic devices, then content accessibility and functionality are improved, but unauthorized access risk increases
Solution Approach 1:
The patent applies counter-actions in advance by establishing authentication requirements and security processing on contents before they are shared. The source device prepares the contents with security measures and the target device must perform authentication before accessing, preventing unauthorized access before it can occur rather than reacting after unauthorized access happens.
Solution Approach 2:
The patent implements a feedback mechanism where the source device receives authentication results from the target device and can control whether to grant access to the shared contents. The authentication process creates a feedback loop that allows the source device to verify user identity and make authorization decisions, providing continuous security control across multiple devices.
Data Source
AI summary
A method of a first device and an electronic device are provided. The method includes receiving a request signal related to contents stored in the first device from a second device communicatively coupled to the first device; transmitting the contents to the second device in response to the request signal, wherein the contents are security applied contents; and releasing the security of the contents by authenticating a user related to the contents.