2 files changed, 75 insertions, 0 deletions
diff --git a/DistributedPasswordCracker.Server/Models/ClientConnection.cs b/DistributedPasswordCracker.Server/Models/ClientConnection.cs
new file mode 100644
index 0000000..4dab2b1
--- /dev/null
+++ b/DistributedPasswordCracker.Server/Models/ClientConnection.cs
@@ -0,0 +1,37 @@
+using System.IO;
+using System.Net.Sockets;
+using System.Threading.Tasks;
+
+namespace DistributedPasswordCracker.Server.Models
+{
+    class ClientConnection
+    {
+        public TcpClient ConnectionSocket { get; set; }
+        public string Chunk { get; set; }
+        public string Pass { get; set; }
+
+
+        public ClientConnection(TcpClient connectionSocket, string chunk, string pass)
+        {
+            ConnectionSocket = connectionSocket;
+            Chunk = chunk;
+            Pass = pass;
+        }
+
+        public async Task<string> SendToClient()
+        {
+            Stream ns = ConnectionSocket.GetStream();
+            StreamReader sr = new StreamReader(ns);
+            StreamWriter sw = new StreamWriter(ns)
+            {
+                AutoFlush = true
+            };
+
+            sw.WriteLine($"DPCP 1.0\n{Pass}\n{Chunk}\n\n");
+            //sw.WriteLine(pass);
+            //sw.WriteLine(chunk);
+            
+            return sr.ReadLine();
+        }
+    }
+}
+\ No newline at end of file
diff --git a/DistributedPasswordCracker.Server/Models/UserInfo.cs b/DistributedPasswordCracker.Server/Models/UserInfo.cs
new file mode 100644
index 0000000..b4df9e2
--- /dev/null
+++ b/DistributedPasswordCracker.Server/Models/UserInfo.cs
@@ -0,0 +1,38 @@
+using System;
+
+namespace DistributedPasswordCracker.Server.Models
+{
+    /// <summary>
+    /// username + encrypted password.
+    /// In the password file we store username + encrypted password.
+    /// The encrypted password is a byte array (cannot be written to the password file)
+    /// This must be Base64 encoded (converted to a string) before written to the file 
+    /// </summary>
+    [Serializable]
+    class UserInfo
+    {
+        public String Username { get; set; }
+        public String EntryptedPasswordBase64 { get; set; }
+        public byte[] EntryptedPassword { get; set; }
+
+        public UserInfo(String username, String entryptedPasswordBase64)
+        {
+            if (username == null)
+            {
+                throw new ArgumentNullException("username");
+            }
+            if (entryptedPasswordBase64 == null)
+            {
+                throw new ArgumentNullException("entryptedPasswordBase64");
+            }
+            Username = username;
+            EntryptedPasswordBase64 = entryptedPasswordBase64;
+            EntryptedPassword = Convert.FromBase64String(entryptedPasswordBase64);
+        }
+
+        public override string ToString()
+        {
+            return Username + ":" + EntryptedPasswordBase64;
+        }
+    }
+}
+\ No newline at end of file