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Discord, the popular voice and chat platform, has recently announced the rollout of end-to-end encryption (E2EE) for audio and video calls. This significant update marks a major step forward in the company’s commitment to user privacy and security.
The DAVE Protocol
Discord’s E2EE implementation, dubbed the “DAVE protocol,” employs a combination of technologies to ensure that only the participants in a call can access the contents of the ongoing conversation. The protocol incorporates:
- WebRTC encoded transforms for audio and video frame encryption
- Messaging Layer Security (MLS) for group key exchange
Scalability and Privacy
The DAVE protocol is designed to balance scalability with privacy enhancements. When new participants join or leave a call, a new “epoch” is created, changing all per-sender keys. This prevents eavesdropping on past or future media without having the necessary keys.
User Experience
Discord has implemented user interface changes to support the seamless use of E2EE A/V. A new “Privacy tab” displays a “Voice Privacy Code” that changes with each epoch, allowing users to verify the authenticity of participants.
Transparency and Security
Discord has collaborated with Trail of Bits, a leading cybersecurity firm, to conduct a thorough review of the DAVE protocol’s design and implementation. Additionally, the protocol whitepaper and open-source library have been released for public review and feedback.
Default Encryption and Future Enhancements
Discord has made E2EE A/V the default setting for voice and video calls in DMs, Group DMs, voice channels, and Go Live streams. This decision reflects the company’s commitment to user privacy. Discord plans to continue investing in safety features and technologies, promising future enhancements to privacy and security.
Conclusion
Discord’s introduction of end-to-end encryption for audio and video chats is a welcome development for users who value their privacy. The DAVE protocol provides a secure foundation, while the default encryption setting and ongoing investments in security measures demonstrate Discord’s commitment to protecting its users. As Discord evolves, users can expect even stronger safeguards to protect their privacy and ensure a secure communication experience.
