network_protocol/protocol/
message.rs

1use serde::{Deserialize, Serialize};
2
3#[derive(Debug, Serialize, Deserialize, Clone)]
4#[repr(u8)]
5pub enum Message {
6    Ping,
7    Pong,
8
9    /// Secure handshake using ECDH key exchange
10    /// Client initiates with its public key and a timestamp to prevent replay attacks
11    SecureHandshakeInit {
12        /// Client's public key for ECDH exchange
13        pub_key: [u8; 32],
14        /// Timestamp to prevent replay attacks
15        timestamp: u64,
16        /// Random nonce for additional security
17        nonce: [u8; 16],
18    },
19
20    /// Server responds with its public key and a signature
21    SecureHandshakeResponse {
22        /// Server's public key for ECDH exchange
23        pub_key: [u8; 32],
24        /// Server's nonce (different from client nonce)
25        nonce: [u8; 16],
26        /// Hash of the client's nonce to prove receipt
27        nonce_verification: [u8; 32],
28    },
29
30    /// Final handshake confirmation from client
31    SecureHandshakeConfirm {
32        /// Hash of server's nonce to prove receipt
33        nonce_verification: [u8; 32],
34    },
35
36    // Placeholder for custom commands:
37    Echo(String),
38    Disconnect,
39
40    // Custom command with payload for testing and extensibility
41    Custom {
42        command: String,
43        payload: Vec<u8>,
44    },
45
46    #[serde(other)]
47    Unknown,
48}
network_protocol/protocol/message.rs

network_protocol/protocol/
message.rs
