WhatsApp, a popular messaging platform owned by Meta, is facing challenges in implementing the third-party chats feature as required by the European Union’s (EU) Digital Markets Act (DMA). Despite the deadline set by the DMA, Meta has announced that it will take more time to introduce messaging interoperability in individual conversations due to limitations in implementing end-to-end encryption (E2EE) architecture for third-party providers.
According to Meta, the main reason for the delay in bringing the third-party chats feature to users is the technical challenges associated with interoperability. The company has been working on building a safety and privacy-centric process for nearly two years and has consulted with the European Commission. While Meta aims to implement individual text messaging, voice messages, and media sharing by the end of the year, group chats and calling features will only be possible after 2024.
To enable third-party chats on WhatsApp, providers will need to sign an agreement and use the Signal Protocol for maximum user security. In cases where providers cannot use the Signal Protocol, they must demonstrate that their chosen protocol offers the same security guarantees. WhatsApp uses the Noise Protocol Framework to encrypt data between users and servers, requiring third-party clients to perform a “Noise Handshake” when connecting to WhatsApp servers.
While Meta takes responsibility for E2EE while data is within WhatsApp’s servers and in transit, it cannot ensure the same level of security once the data has been received by third-party clients. This raises concerns about the privacy and security of user data when shared with third-party providers through the interoperability feature.
Meta has not provided a specific timeline for when group chats and calling features will be implemented. The company has emphasized the importance of addressing the technical challenges associated with interoperability and ensuring that user security is not compromised in the process. Despite the delays, Meta remains committed to working with other messaging platforms to enable seamless communication for users.
WhatsApp’s struggle to implement the third-party chats feature highlights the complexities involved in ensuring interoperability while maintaining data security and privacy. As Meta continues to address the technical limitations and work towards fulfilling the requirements of the EU’s DMA, users can expect to see improvements in messaging capabilities and cross-platform communication in the future.
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