Encrypted Video Conference Auditing via Compliance Participant
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Solution Overview
Problem
Existing video conference providers lack the ability to audit encrypted communications without decrypting the content, making it difficult for organizations to ensure compliance with policies and regulations due to the nature of end-to-end encryption.
Innovation Solution
A compliance auditing participant is joined into the encrypted video conference, receiving cryptographic information, and records encrypted streams, allowing decryption and storage for later auditing by the organization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If end-to-end encryption is implemented in video conferences, then participant privacy is improved, but compliance auditing capability deteriorates
Solution Approach 1:
A compliance auditing participant is introduced as an intermediary entity that joins the encrypted video conference and receives encrypted streams. This intermediary can record and store the encrypted communications without decrypting them, enabling compliance auditing while maintaining the encryption that protects participant privacy. The auditing participant acts as a mediator between the encrypted communication system and compliance requirements.
Solution Approach 2:
The system separates the encryption function from the auditing function. Encryption is maintained for all participant communications to protect privacy, while a separate auditing mechanism records encrypted streams without requiring decryption. This segmentation allows both privacy protection and compliance auditing to coexist independently.
2Loss of information
If a compliance auditing participant is added to the encrypted video conference, then compliance auditing capability is improved, but system complexity increases
Solution Approach 1:
The compliance auditing participant uses the same video conferencing client and encryption protocols as regular participants, making the auditing functionality universal within the existing system framework. The auditing participant joins conferences using standard procedures and receives encrypted streams through the same channel as other participants, avoiding the need for separate specialized auditing infrastructure.
3Reliability
If encrypted streams are recorded and stored for auditing, then compliance verification is improved, but storage requirements increase
Solution Approach 1:
The system creates copies of encrypted video and audio streams for compliance auditing purposes. The compliance auditing participant receives and stores encrypted copies of the conference communications without needing to decrypt or process the content. This copying approach enables comprehensive compliance verification while maintaining the original encryption integrity.
Data Source
AI summary
One example method includes receiving, by a compliance auditing server, an indication of an encrypted video conference; sending, by the compliance auditing server, a request to a video conference provider to join a compliance auditing participant to the encrypted video conference, wherein the video conference provider does not have access to the compliance auditing server; receiving and storing, by the compliance auditing server, encrypted streams of audio and video from a plurality of participants in the video conference, wherein: the compliance auditing participant is one of the plurality of participants; and the video conference provider does not have access to the cryptographic meeting key; receiving, by the compliance auditing server after the encrypted video conference has ended, a request for a portion of the encrypted streams of audio and video; and providing, in response to the request, the portion of the encrypted streams of audio and video.