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diff --git a/src/cryptography/Des.java b/src/cryptography/Des.java
index d8ae98a..a325688 100644
--- a/src/cryptography/Des.java
+++ b/src/cryptography/Des.java
@@ -222,7 +222,7 @@ public class Des {
 
         int[] resultat = new int[4];
         for (int i = 0; i < resultat.length; i++, coordonneeInt /= 10) {
-            resultat[resultat.length-i-1] = coordonneeInt % 10;
+            resultat[resultat.length - i - 1] = coordonneeInt % 10;
         }
 
         return resultat;
@@ -272,7 +272,7 @@ public class Des {
             this.genereCle(n);
         }
 
-        for (int i = 0; i < decoupe.length ; i++) {
+        for (int i = 0; i < decoupe.length; i++) {
             permutation(PERM_INITIALE, decoupe[i]);
 
             int[][] decoupe2 = decoupage(decoupe[i], 2);
@@ -307,8 +307,8 @@ public class Des {
                 System.arraycopy(bloc32[0], 0, dn1, 0, dn1.length);
                 bloc32[0] = xor(bloc32[1], fonction_F(n, dn1));
                 bloc32[1] = dn1;
-                System.out.println("bloc32[0] :"+ Arrays.toString(bloc32[0]));
-                System.out.println("bloc32[1] :"+ Arrays.toString(bloc32[1]));
+                System.out.println("bloc32[0] :" + Arrays.toString(bloc32[0]));
+                System.out.println("bloc32[1] :" + Arrays.toString(bloc32[1]));
 
             }
             decoupe[i] = recollageBloc(bloc32);
diff --git a/src/cryptography/test/testDes.java b/src/cryptography/temp/testDes.java
similarity index 99%
rename from src/cryptography/test/testDes.java
rename to src/cryptography/temp/testDes.java
index bb81018..d2d469d 100644
--- a/src/cryptography/test/testDes.java
+++ b/src/cryptography/temp/testDes.java
@@ -1,4 +1,4 @@
-package cryptography.test;
+package cryptography.temp;
 
 import cryptography.Des;
 
diff --git a/test/cryptography/DesTest.java b/test/cryptography/DesTest.java
new file mode 100644
index 0000000..54733ba
--- /dev/null
+++ b/test/cryptography/DesTest.java
@@ -0,0 +1,85 @@
+package cryptography;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class DesTest {
+
+    @BeforeEach
+    void setUp() {
+
+    }
+
+    @AfterEach
+    void tearDown() {
+    }
+
+    @Test
+    void stringToBits() {
+        HashMap<String, int[]> attendu  = new HashMap<>() {{
+            put("Bonjour", new int[]{0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0});
+        }};
+
+        for (Map.Entry<String, int[]> test : attendu.entrySet()) {
+            assertArrayEquals(Des.stringToBits(test.getKey()), test.getValue());
+        }
+    }
+
+    @Test
+    void generePermutation() {
+    }
+
+    @Test
+    void bitsToString() {
+    }
+
+    @Test
+    void permutation() {
+    }
+
+    @Test
+    void invPermutation() {
+    }
+
+    @Test
+    void decoupage() {
+    }
+
+    @Test
+    void recollageBloc() {
+    }
+
+    @Test
+    void decaleGauche() {
+    }
+
+    @Test
+    void xor() {
+    }
+
+    @Test
+    void genereCle() {
+    }
+
+    @Test
+    void fonction_S() {
+    }
+
+    @Test
+    void fonction_F() {
+    }
+
+    @Test
+    void crypte() {
+    }
+
+    @Test
+    void decrypte() {
+    }
+}
\ No newline at end of file