diff --git a/WEB-INF/classes/controleurs/Authent.class b/WEB-INF/classes/controleurs/LogIn.class
similarity index 67%
rename from WEB-INF/classes/controleurs/Authent.class
rename to WEB-INF/classes/controleurs/LogIn.class
index 6f46360ac41b5117d6b87297929365b3335a3379..34640d678d8193a8897e67c83cc4c46a74de2d6e 100644
Binary files a/WEB-INF/classes/controleurs/Authent.class and b/WEB-INF/classes/controleurs/LogIn.class differ
diff --git a/WEB-INF/classes/controleurs/SignIn.class b/WEB-INF/classes/controleurs/SignIn.class
new file mode 100644
index 0000000000000000000000000000000000000000..e16cbbf9fbeb27d5267ec8a60b6203278cf024ee
Binary files /dev/null and b/WEB-INF/classes/controleurs/SignIn.class differ
diff --git a/WEB-INF/classes/dao/ThreadDAO.class b/WEB-INF/classes/dao/ThreadDAO.class
index 062c075115638b7c60829a62e267dd435a8eafe4..c71c8b8c8e913c4c238bde9189f4a9c65af2ed44 100644
Binary files a/WEB-INF/classes/dao/ThreadDAO.class and b/WEB-INF/classes/dao/ThreadDAO.class differ
diff --git a/WEB-INF/classes/dao/UserDAO.class b/WEB-INF/classes/dao/UserDAO.class
index bce45245902404438541c8c70726976ec3236ab1..5f6e297b01c74494541e99ff2c295b2af0942d13 100644
Binary files a/WEB-INF/classes/dao/UserDAO.class and b/WEB-INF/classes/dao/UserDAO.class differ
diff --git a/WEB-INF/classes/dto/Message.class b/WEB-INF/classes/dto/Message.class
index b98cfcca70fb67df1b3760a2598665f24d842832..d2e78212587772e41a107588ec40d0777260468b 100644
Binary files a/WEB-INF/classes/dto/Message.class and b/WEB-INF/classes/dto/Message.class differ
diff --git a/WEB-INF/src/controleurs/Authent.java b/WEB-INF/src/controleurs/LogIn.java
similarity index 91%
rename from WEB-INF/src/controleurs/Authent.java
rename to WEB-INF/src/controleurs/LogIn.java
index babd3034eac09bf1b562362eafacf305685a91c4..852e2dc6d3d84f55c198c9389bed90465801ac07 100644
--- a/WEB-INF/src/controleurs/Authent.java
+++ b/WEB-INF/src/controleurs/LogIn.java
@@ -10,8 +10,8 @@ import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.io.PrintWriter;
 
-@WebServlet("/Authentification")
-public class Authent extends HttpServlet {
+@WebServlet("/LogIn")
+public class LogIn extends HttpServlet {
 
     @Override
     public void service(HttpServletRequest req, HttpServletResponse res) throws IOException {
diff --git a/WEB-INF/src/controleurs/SignIn.java b/WEB-INF/src/controleurs/SignIn.java
new file mode 100644
index 0000000000000000000000000000000000000000..5127db7b293abc21f584a3923b97788a5e3c1650
--- /dev/null
+++ b/WEB-INF/src/controleurs/SignIn.java
@@ -0,0 +1,27 @@
+package controleurs;
+
+import dao.UserDAO;
+import dto.User;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+@WebServlet("/SignIn")
+public class SignIn extends HttpServlet {
+    @Override
+    public void service(HttpServletRequest req, HttpServletResponse res) throws IOException {
+        PrintWriter out = res.getWriter();
+        UserDAO userdao = new UserDAO();
+        userdao.createUser(); //WIP
+
+        if (userdao.isDatabased(user)){
+            out.println("<h1>Bienvenue " + user.getUserName() + " !</h1>");
+        }else{
+            out.println("<h1>Partez de chez moi ?!</h1>");
+        }
+    }
+}
diff --git a/WEB-INF/src/dao/ThreadDAO.java b/WEB-INF/src/dao/ThreadDAO.java
index cf7fc1ced882e8550af0493871e2dea473a51b24..4ce3f5e67af34e47514883b95fdd2c86720f4e78 100644
--- a/WEB-INF/src/dao/ThreadDAO.java
+++ b/WEB-INF/src/dao/ThreadDAO.java
@@ -1,8 +1,11 @@
 package dao;
 
+import dto.Message;
 import dto.User;
 
 import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
 
 public class ThreadDAO {
     private Connection con;
@@ -11,24 +14,25 @@ public class ThreadDAO {
         this.con = new BDConnection().getConnection();
     }
 
-    public String getAllMessages(){
-        StringBuilder txt = new StringBuilder();
+    public List<Message> getAllMessages(){
+        ArrayList<Message> messages = new ArrayList<>();
         try{
             Statement stmt = this.con.createStatement();
-            ResultSet rs = stmt.executeQuery("SELECT * FROM userAccount;");
+            ResultSet rs = stmt.executeQuery("SELECT * FROM msg;");
 
             while(rs.next()){
-                int userId = rs.getInt(1);
-                String username = rs.getString(2);
-                String pwd = rs.getString(3);
+                int msgId = rs.getInt(1);
+                int userIdMsg = rs.getInt(2);
+                int threadId = rs.getInt(3);
+                String msg = rs.getString(4);
 
-                txt.append("Id : ").append(userId).append(" Username : ").append(username).append(" Password : ").append(pwd).append('\n');
+                messages.add(new Message(msgId,userIdMsg,threadId,msg));
             }
         } catch (SQLException sqle) {
             sqle.getStackTrace();
         }
 
-        return txt.toString();
+        return messages;
     }
 
     // Créer un thread
diff --git a/WEB-INF/src/dao/UserDAO.java b/WEB-INF/src/dao/UserDAO.java
index 3d5e9aaa8aacd666893cec2509663b5923425194..ede761a121bfd67e0adb7bc408898b75ae7af8db 100644
--- a/WEB-INF/src/dao/UserDAO.java
+++ b/WEB-INF/src/dao/UserDAO.java
@@ -16,6 +16,19 @@ public class UserDAO extends HttpServlet{
         this.con = new BDConnection().getConnection();
     }
 
+    public void createUser(String username, String password){
+        try{
+            PreparedStatement stmt = this.con.prepareStatement("INSERT INTO userAccount (username, password) VALUES (?,?)");
+            stmt.setString(1, username);
+            stmt.setString(2, password);
+
+            stmt.executeUpdate();
+
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     public List<User> getAllUsers(){
         ArrayList<User> users = new ArrayList<>();
         try{
@@ -41,15 +54,13 @@ public class UserDAO extends HttpServlet{
         boolean isIn = false;
 
         try {
-            PreparedStatement stmt = con.prepareStatement("SELECT * FROM userAccount WHERE userid=?");
+            PreparedStatement stmt = this.con.prepareStatement("SELECT * FROM userAccount WHERE userid=?");
             stmt.setInt(1, user.getId());
 
             ResultSet rs = stmt.executeQuery();
 
             if (rs.next()) {
                 isIn = true;
-            }else {
-                System.out.println(user);
             }
 
         } catch (SQLException sqle) {
@@ -64,7 +75,7 @@ public class UserDAO extends HttpServlet{
         User user = new User(0,null,null);
 
         try{
-            PreparedStatement stmt = con.prepareStatement("SELECT * FROM userAccount WHERE username=? AND password=?");
+            PreparedStatement stmt = this.con.prepareStatement("SELECT * FROM userAccount WHERE username=? AND password=?");
             stmt.setString(1, username);
             stmt.setString(2, password);
 
@@ -162,7 +173,7 @@ public class UserDAO extends HttpServlet{
         PreparedStatement ps = this.con.prepareStatement("INSERT INTO reactions VALUES(?, ?, ?)");
         try {
             ps.setInt(1, user.getId());
-            ps.setInt(2, msg.getId());
+            ps.setInt(2, msg.getMsgId());
             ps.setString(3, "true");
         }
         catch (SQLException sqle) {
diff --git a/WEB-INF/src/dto/Message.java b/WEB-INF/src/dto/Message.java
index c63f8807b8be9c3e7c8ade6b2ff5d275acfe9ae8..a50cac348a79b81305f9396f446abec906edd402 100644
--- a/WEB-INF/src/dto/Message.java
+++ b/WEB-INF/src/dto/Message.java
@@ -1,22 +1,34 @@
 package dto;
 
 public class Message {
-    private int msgID;
+    private int msgId;
+    private int senderId;
+    private int threadId;
     private String content;
 
 
     //      Constructor     //
 
-    public Message(int msgID, String content) {
-        this.msgID = msgID;
+    public Message(int msgId, int senderId, int threadId, String content) {
+        this.msgId = msgId;
+        this.senderId = senderId;
+        this.threadId = threadId;
         this.content = content;
     }
 
 
     //      Getter      //
 
-    public int getId() {
-        return msgID;
+    public int getMsgId() {
+        return msgId;
+    }
+
+    public int getSenderId() {
+        return senderId;
+    }
+
+    public int getThreadId() {
+        return threadId;
     }
 
     public String getContent() {
@@ -26,8 +38,16 @@ public class Message {
 
     //      Setter      //
 
-    public void setMsgID(int msgID) {
-        this.msgID = msgID;
+    public void setMsgId(int msgId) {
+        this.msgId = msgId;
+    }
+
+    public void setSenderId(int senderId) {
+        this.senderId = senderId;
+    }
+
+    public void setThreadId(int threadId) {
+        this.threadId = threadId;
     }
 
     public void setContent(String content) {
diff --git a/create.html b/create.html
new file mode 100644
index 0000000000000000000000000000000000000000..212601a3ca9479dd04fd24703388ae012bd868b3
--- /dev/null
+++ b/create.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <title>Create Account</title>
+</head>
+<body>
+<form action="LogIn">
+    <input name="login" type="text">
+    <input name="pwd" type="password">
+    <button type="submit">Create my Account</button>
+</form>
+</body>
+</html>
\ No newline at end of file
diff --git a/index.html b/index.html
index 1aa21b1c56ac2e96f64de6e618b229923c23ccec..7693f8f1579db2a27c3a65f04259add3c0148dce 100644
--- a/index.html
+++ b/index.html
@@ -8,11 +8,11 @@
     <title>Connexion</title>
 </head>
 <body>
-<form action="Authentification" method="get">
+<form action="LogIn" method="get">
     <input name="login" type="text">
     <input name="pwd" type="password">
     <button type="submit">Connexion</button>
+    <a href="./create.html">Create Account</a>
 </form>
-<button>Créer un compte</button>
 </body>
 </html>
\ No newline at end of file