Self-Destructing Message Encryption and Automatic Deletion
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Solution Overview
Problem
Users are required to use third-party applications to send and receive self-destructing messages, which raises concerns about message encryption and removal, and there is no built-in capability within devices to transmit and receive such messages without external software.
Innovation Solution
Devices are enabled to transmit and receive self-destructing messages directly through a built-in messaging application, which encrypts and temporarily displays the content for a set time before removing it, eliminating the need for third-party applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If third-party applications are used to send self-destructing messages, then message self-destruction capability is achieved, but user privacy and security are compromised due to lack of encryption and reliable removal
Solution Approach 1:
The messaging application performs encryption, transmission, and automatic deletion of message content without requiring external third-party applications. The system serves itself by integrating all self-destructing message functions within the native messaging app, eliminating the need for users to install and trust external software.
Solution Approach 2:
The messaging application provides multiple functions including standard messaging, self-destructing messages with encryption, automatic deletion, and privacy protection features all within a single unified application. This multi-functionality eliminates the need for separate third-party applications while enhancing security.
2Duration of action of moving object
If third-party applications are used for self-destructing messages, then message temporary display is achieved, but message encryption and reliable removal cannot be guaranteed
Solution Approach 1:
The messaging application performs preliminary encryption of the message content before transmission and stores deletion instructions in advance. The system pre-configures the automatic deletion mechanism so that when the display duration expires, the message is reliably removed without requiring manual intervention or trusting third-party software.
3Reliability
If built-in messaging capability is implemented, then user privacy and security are enhanced, but device software complexity increases
Solution Approach 1:
The messaging application uses encryption algorithms as an intermediary mechanism to protect message content during transmission and storage. The encryption layer acts as a mediator that secures user data without requiring the user to understand or manage complex cryptographic protocols, thus enhancing privacy while maintaining ease of use.
Data Source
AI summary
A device may receive, from a first user device, a request to transmit a message to a user of a second user device. The request may include particular information indicating that content of the message is to be displayed to the user for a particular amount of time. The device may encrypt, based on receiving the request and using a key, the content of the message to obtain an encrypted message. The device may transmit the encrypted message to the second user device and receive, from the second user device, a request for the key. The device may transmit, to the second user device, the key and information identifying the particular amount of time to cause the second user device to decrypt the encrypted message, using the key, to obtain a decrypted message and cause the second user device to delete the decrypted message after the particular amount of time.