corevpn-protocol

OpenVPN-compatible protocol implementation for CoreVPN.

Features

• Full OpenVPN Compatibility: Works with standard OpenVPN clients
• Control Channel: TLS 1.3 for control channel security
• Data Channel: ChaCha20-Poly1305 or AES-256-GCM encryption
• Reliable Transport: Reliable UDP with acknowledgments and retransmission
• Packet Parsing: Complete OpenVPN packet format support
• Session Negotiation: Key exchange and session establishment

Protocol Support

• UDP and TCP transport
• TLS 1.3 control channel
• tls-auth HMAC authentication
• tls-crypt encryption
• Data channel encryption (chacha20-poly1305, aes-256-gcm)
• Key renegotiation
• Ping/keepalive

Usage

use corevpn_protocol::{Packet, ControlPacket, DataPacket};

// Parse incoming packet
let packet = Packet::parse(&data)?;

match packet {
    Packet::Control(ctrl) => {
        // Handle control channel packet
    }
    Packet::Data(data) => {
        // Handle encrypted data
    }
}

License

Licensed under either of:

• Apache License, Version 2.0 (LICENSE-APACHE)
• MIT license (LICENSE-MIT)

at your option.