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Developer manual

Pay attention how to get development source code.

Nonce and identity encryption

XTEA.

Data encryption

Salsa20.

Message authentication

Poly1305.

Password authenticated key agreement

DH-A-EKE powered by Curve25519 and Ed25519.

DH elliptic-curve point encoding for public keys

Elligator.

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 (round-trips for TCP), 264 bytes total payload.

Entropy required

832 bits in average on client, 832 bits in average on server side per handshake.