postquantumcryptography

Entangl is a privacy-first, decentralized-identity Android messaging application. Unlike traditional chat apps that rely on phone numbers, usernames, or public directories, Entangl establishes communication channels exclusively through a Mutual Physical Handshake using two-way dynamic QR code verification.

Implementation of the X-Wing hybrid Key Encapsulation Mechanism (KEM) in Kotlin, combining ML-KEM-768 and X25519 for post-quantum/classical hybrid security.