feat: provide bincode serde

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ntor"
-version = "0.1.0"
+version = "0.1.2"
 edition = "2024"
 
 [dependencies]
@@ -17,8 +17,7 @@ x25519-dalek = {version="^2.0.1", features = ["static_secrets"] }
 #wasm compatible
 getrandom = { version = "0.2", features = ["js"] }
 aes-gcm = "0.10"
-serde = { version = "1.0.219", features = ["derive"] }
-
 log = "0.4.26"
 hex = "0.4.3"
+bincode = "2.0.1"
 

src/client.rs

@@ -42,8 +42,6 @@ impl NTorClient {
         server_certificate: &NTorCertificate,
         msg: &InitSessionResponse,
     ) -> bool {
-        println!("Client:");
-
         // Step 18: Compute the shared secret.
         let mut buffer: Vec<u8> = Vec::new();
 
@@ -53,15 +51,13 @@ impl NTorClient {
             .diffie_hellman(&msg.server_ephemeral_public_key)
             .to_bytes()
             .to_vec();
-        println!("[Debug] ECDH result 1: {:?}", ecdh_result_1);
         buffer.append(&mut ecdh_result_1);
 
         // ECDH Client private ephemeral * server ephemeral public Key
         let mut ecdh_result_2 = taken_private_key
             .diffie_hellman(&server_certificate.public_key)
             .to_bytes()
             .to_vec();
-        println!("[Debug] ECDH result 2: {:?}", ecdh_result_2);
         buffer.append(&mut ecdh_result_2);
 
         // Server id
@@ -88,7 +84,6 @@ impl NTorClient {
         };
 
         let secret_key_prime = &sha256_hash[0..16];
-        println!("[Debug] Client secret key prime: {:?}", secret_key_prime);
 
         let secret_key = &sha256_hash[16..];
 
@@ -109,11 +104,8 @@ impl NTorClient {
         if computed_t_b_hash == msg.t_b_hash {
             self.shared_secret = Some(secret_key.to_vec());
 
-            println!("Shared secret:");
-            println!("{:?}\n", secret_key);
             true
         } else {
-            println!("Failed to verify the shared secret: try again bro.");
             false
         }
     }

src/common.rs

@@ -82,6 +82,7 @@ impl InitSessionResponse {
     }
 }
 
+#[derive(bincode::Encode, bincode::Decode)]
 pub struct EncryptedMessage {
     pub nonce: [u8; 12],
     pub data: Vec<u8>

src/server.rs

@@ -54,8 +54,6 @@ impl NTorServer {
         &mut self,
         init_msg: &InitSessionMessage,
     ) -> InitSessionResponse {
-        println!("Server:");
-
         // generate session-specific ephemeral key pair
         self.ephemeral_key_pair = generate_private_public_key_pair();
 
@@ -66,7 +64,6 @@ impl NTorServer {
             .diffie_hellman(&init_msg.client_ephemeral_public_key)
             .to_bytes()
             .to_vec();
-        println!("[Debug] ECDH result 1: {:?}", ecdh_results_1);
         buffer.append(&mut ecdh_results_1);
 
         // client_ephemeral_public^server_static_private (X^b),
@@ -75,7 +72,6 @@ impl NTorServer {
             .diffie_hellman(&init_msg.client_ephemeral_public_key)
             .to_bytes()
             .to_vec();
-        println!("[Debug] ECDH result 2: {:?}", ecdh_results_2);
         buffer.append(&mut ecdh_results_2);
 
         // server id
@@ -103,7 +99,6 @@ impl NTorServer {
 
         let secret_key_prime = &sha256_hash[0..16];
         let secret_key = &sha256_hash[16..];
-        println!("[Debug] Server secret key prime: {:?}", secret_key_prime);
 
         // Step 12: Compute HMAC (t_b in the paper):
         let mut hmac_key_buffer: Vec<u8> = Vec::new();
@@ -124,9 +119,6 @@ impl NTorServer {
 
         self.shared_secret = Some(secret_key.to_vec());
 
-        println!("Shared secret:");
-        println!("{:?}\n", secret_key);
-
         InitSessionResponse {
             server_ephemeral_public_key: self.ephemeral_key_pair.public_key,
             t_b_hash,