--- a/Agendas/trunk/src/Agendas.Domain/Cuenta.cs	Sat Jun 11 12:50:44 2011 -0300
+++ b/Agendas/trunk/src/Agendas.Domain/Cuenta.cs	Sun Jun 12 01:40:09 2011 -0300
@@ -15,5 +15,28 @@
 			LogonName = logonName;
 			IdentityProvider = identityProvider;
 		}
+
+		public override bool Equals(object obj)
+		{
+			if (ReferenceEquals(null, obj)) return false;
+			if (ReferenceEquals(this, obj)) return true;
+			if (obj.GetType() != typeof (Cuenta)) return false;
+			return Equals((Cuenta) obj);
+		}
+
+		public virtual bool Equals(Cuenta other)
+		{
+			if (ReferenceEquals(null, other)) return false;
+			if (ReferenceEquals(this, other)) return true;
+			return Equals(other.LogonName, LogonName) && Equals(other.IdentityProvider, IdentityProvider);
+		}
+
+		public override int GetHashCode()
+		{
+			unchecked
+			{
+				return ((LogonName != null ? LogonName.GetHashCode() : 0)*397) ^ IdentityProvider.GetHashCode();
+			}
+		}
 	}
 }
\ No newline at end of file