Integrate Multi-Layer Encryption System for Asset Protection

[spashii]

Implement a comprehensive encryption system for protecting user assets (audio files, transcriptions, and analysis data) both in-transit and at-rest. This integration will be based on research collaboration with external contributors focusing on privacy-by-design principles.

Background

• ECHO is currently exploring enhanced encryption capabilities for sensitive data handling
• Potential collaboration with external research team on implementing their proven encryption architecture
• Target use cases include deployments requiring stringent privacy measures

Requirements

Functional Requirements

• Implement end-to-end encryption for all user assets
• Support chunked audio file encryption during transmission
• Enable secure key management for user-specific asset access
• Maintain encryption across the entire pipeline (upload → processing → storage)
• Ensure only account owners can access their encrypted assets

Implementation Considerations

• Design integration points with existing ECHO architecture
• Define key management strategy
• Plan migration path for existing assets
• Determine performance impact on audio processing pipeline
• Create testing strategy for encryption system

Collaboration Notes

• Working with external research team
• Need to ensure proper attribution and licensing alignment
• Regular sync meetings to be scheduled for technical discussions

Estimated Timeline

TBD after initial technical review

[spashii]

• During my call with @JAgrit20 (Jagrit Acharya), we discussed to aim to first implement the encryption of Audio Assets

• Files of interest: https://github.com/Dembrane/echo/blob/83791e0af76b1a7b95e213a05e7ef828df8f058a/echo/server/dembrane/api/participant.py#L286C1-L338C1

[JAgrit20]

Moving forward based on the requirement, I would like to propose the following Phase -1 steps of implementation,

Step 1) Generate RSA key on Client and Server Side
Step 2) Share the public key of the Client and server with each other.
Step 3) Generate AES key at server and client end
Step 4) Encrypt the Audio chunk with the AES key and send
Step 5) Decrpyt the Audio using AES keys, transcibe it and sign it using client's Public key
Step 6) Send the transcription, which will be read using the client's private key only.

How does this sound?