Wearable Device Encryption Key Generation and Transmission

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Solution Overview

Problem

Existing content encryption and decryption processes are cumbersome and require separate procedures, necessitating a simplification to enhance user privacy protection.

Innovation Solution

A wearable device that authenticates users based on biological or account information, generates encryption or decryption keys, and transmits them to external devices for secure content protection, using symmetric or asymmetric-key algorithms, and communicates via wireless or wired methods.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional separate encryption and decryption procedures are used, then security is maintained, but operation complexity increases and user convenience deteriorates

Engineering Contradiction:

Improveencryption and decryption procedure simplicityVSAvoidprocedure complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges encryption key generation and content encryption into a single integrated process. The wearable device automatically generates encryption keys and encrypts content without requiring separate user operations for key management and encryption, thereby simplifying the user experience while maintaining security.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The system implements self-service automation where the wearable device autonomously performs user authentication, generates encryption keys, and executes content encryption without requiring manual user intervention for each step. This automated self-service approach reduces operational complexity while preserving security protocols.

Inventive Principle:

Principle #25Self-service

2Reliability

If multiple authentication and encryption steps are implemented, then security is enhanced, but processing time increases

Engineering Contradiction:

Improvecontent securityVSAvoidencryption and decryption time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent implements preliminary authentication and key generation actions that occur in advance before content access is needed. User authentication and encryption key generation are performed proactively, so when content encryption or decryption is required, the security measures are already in place, reducing the time penalty for multiple security steps.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If encryption keys are generated and transmitted through multiple devices, then security is improved, but device complexity and operational steps increase

Engineering Contradiction:

Improveencryption key securityVSAvoidsystem architecture complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the encryption key generation and management functions from the main computing device and relocates them to a dedicated wearable device. This extraction consolidates security-critical operations into a single specialized device, reducing the overall system complexity while maintaining or enhancing security through dedicated hardware functionality.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS10762233B2Method and device for encrypting or decrypting content

Publication Date: 2020.09.01 SAMSUNG ELECTRONICS CO LTD

AI summary

A wearable device includes a user information obtainer configured to obtain user information, a controller configured to selectively generate, in response to a user being authenticated based on the user information, an encryption key for encryption of content of an external device; and a communicator configured to transmit the encryption key to the external device.