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Abstract
WhatsApp is one of the world’s most widely used messaging applications, with more than 2.44 billion monthly active users worldwide as of 2022. To ensure the security and privacy of its users’ communications, WhatsApp uses end-to-end encryption (E2EE) to protect messages and calls from unauthorized access, including WhatsApp itself. However, the E2EE can be computationally intensive and pose challenges for low-end devices or slow network connections. This paper proposes a lightweight E2EE protocol optimized for mobile devices that reduces energy consumption and computational overhead while maintaining the same security level.
DISCLOSURE STATEMENT
No potential conflict of interest was reported by the author(s).