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Developer manual

Nonce and identity encryption

XTEA

Data encryption

Salsa20

Message authentication

Poly1305

Password authenticated key agreement

DH-A-EKE powered by Curve25519 and Ed25519

Key derivation function for verifier generation

PBKDF2 based on SHA-512

Packet overhead

26 bytes per packet

Handshake overhead

4 UDP (2 from client, 2 from server) packets, 264 bytes total payload