diff --git a/src/bin/client.rs b/src/bin/client.rs
index 3965a4b..0b45671 100644
--- a/src/bin/client.rs
+++ b/src/bin/client.rs
@@ -1,11 +1,13 @@
-use clichess::UserRole;
 use shakmaty::fen::Fen;
-use shakmaty::{Chess, Color, Setup};
+use shakmaty::{Chess, Setup};
 use std::io;
 use std::io::{BufRead, BufReader};
 use std::os::unix::net::UnixStream;
 
 fn main() {
+    let username = std::env::args().nth(1).expect("no name given");
+    let public_key = std::env::args().nth(2).expect("no public key given");
+    println!("Name: {}, Public key: {}", username, public_key);
     let mut stream = match UnixStream::connect("/tmp/clichess.socket") {
         Ok(sock) => sock,
         Err(_) => {
@@ -13,11 +15,15 @@ fn main() {
             return;
         }
     };
+    //send username and public key to server
+    clichess::write_to_stream(&mut stream, username);
+    clichess::write_to_stream(&mut stream, public_key);
     let mut buffer = String::new();
     let (client, chess) = get_connection_info_from_stream(&stream);
     //First prompt when connecting to the server
     println!(
-        "Hello, anonymous !\n\r You're playing with the {} pieces",
+        "Hello, {} !\n\r You're playing with the {} pieces",
+        client.username,
         client.role.to_string()
     );
     //then we get the initial role of the connected client.
@@ -27,7 +33,7 @@ fn main() {
             "{}",
             clichess::board_representation(&current_position, clichess::to_color(client.side))
         );
-        if clichess::is_player_turn(client, current_position.turn()) {
+        if clichess::is_player_turn(&client, current_position.turn()) {
             //it's the user turn, taking user input
             io::stdin().read_line(&mut buffer).unwrap();
             println!("trying to play {}", buffer);
diff --git a/src/bin/server.rs b/src/bin/server.rs
index b90fdf4..441467a 100644
--- a/src/bin/server.rs
+++ b/src/bin/server.rs
@@ -4,6 +4,7 @@ use clichess::UserRole;
 use shakmaty::{fen, Chess, Color, Setup};
 use std::collections::HashMap;
 use std::fs;
+use std::io::{BufRead, BufReader};
 use std::os::unix::net::{UnixListener, UnixStream};
 use std::sync::{Arc, Condvar, Mutex};
 
@@ -49,7 +50,7 @@ fn main() {
 
 fn handle_client(mut stream: UnixStream, server: Server) {
     //create client
-    let client = create_client(&server);
+    let client = create_client(&server, &stream);
     //send its information to the client
     println!(
         "server {}, send first information to the client...",
@@ -70,7 +71,7 @@ fn handle_client(mut stream: UnixStream, server: Server) {
     }
     println!("server {}, current position to the client sent", server.id);
     loop {
-        if clichess::is_player_turn(client, player_turn) {
+        if clichess::is_player_turn(&client, player_turn) {
             //let go of the lock while waiting for user input.
             println!("server {}, waiting for client move..", server.id);
             let input = clichess::read_line_from_stream(&stream);
@@ -110,8 +111,22 @@ fn handle_client(mut stream: UnixStream, server: Server) {
     }
 }
 
-fn create_client(server: &Server) -> Client {
+fn create_client(server: &Server, stream: &UnixStream) -> Client {
     println!("Creating client {}...", server.id);
+    //get client name and pubkey
+    println!("Read lines from stream...");
+    let mut buf = String::new();
+    let mut reader = BufReader::new(stream);
+    //first, username.
+    reader
+        .read_line(&mut buf)
+        .expect("Server closed connection.");
+    let username = String::from(buf.trim());
+    buf.clear();
+    reader
+        .read_line(&mut buf)
+        .expect("Server closed connection.");
+    let public_key = String::from(buf.trim());
     let role = match server.id {
         0 => UserRole::White,
         1 => UserRole::Black,
@@ -121,8 +136,10 @@ fn create_client(server: &Server) -> Client {
     let client = Client {
         role,
         side: clichess::from_color(clichess::get_default_side(role)),
+        username,
+        public_key,
     };
-    clients.insert(server.id, (client, server.receiving_buffer.clone()));
+    clients.insert(server.id, (client.clone(), server.receiving_buffer.clone()));
     println!("Created client {}", server.id);
     client
 }
diff --git a/src/lib.rs b/src/lib.rs
index ff30bb9..d260a65 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,10 +10,12 @@ use std::io::{BufReader, Write};
 use std::os::unix::net::UnixStream;
 use std::str;
 
-#[derive(Copy, Clone, Serialize, Deserialize)]
+#[derive(Clone, Serialize, Deserialize)]
 pub struct Client {
     pub role: UserRole,
     pub side: BoardSide,
+    pub username: String,
+    pub public_key: String,
 }
 
 #[derive(PartialEq, Copy, Clone, Serialize, Deserialize)]
@@ -220,7 +222,7 @@ pub fn from_color(color: Color) -> BoardSide {
     }
 }
 
-pub fn is_player_turn(client: Client, playing_side: Color) -> bool {
+pub fn is_player_turn(client: &Client, playing_side: Color) -> bool {
     (playing_side == Color::White && client.role == UserRole::White)
         || (playing_side == Color::Black && client.role == UserRole::Black)
 }