diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index ee32f3c..5b314af 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -67,8 +67,7 @@
               "title": "20011126_fips-197"
             }
           }
-        ],
-        "currentTab": 1
+        ]
       }
     ],
     "direction": "vertical"
@@ -241,10 +240,11 @@
       "obsidian-git:Open Git source control": false
     }
   },
-  "active": "37a6109c5cf4f8fa",
+  "active": "e11a6a080eb83632",
   "lastOpenFiles": [
-    "ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md",
     "ISEN/Sécurité IOT/CIPA4/IoT.Firmware.Analysis.pdf",
+    "ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md",
+    "ISEN/Introduction a la cyber et a la cryptographie/CIPA 4/20011126_fips-197.pdf",
     "ISEN/Introduction a la cyber et a la cryptographie/CIPA 4/Crypto Cours 2.md",
     "ISEN/Sécurité IOT/CIPA4/Firmware/extractions/iotdev_firmware.bin.extracted/120200/squashfs_120200.sqsh",
     "ISEN/Sécurité IOT/CIPA4/Firmware/extractions/iotdev_firmware.bin.extracted/120200",
@@ -255,7 +255,6 @@
     "ISEN/Sécurité IOT/CIPA4/Firmware/emulated.tgz",
     "ISEN/Sécurité IOT/CIPA4/Firmware/iotdev_firmware.bin",
     "ISEN/Sécurité IOT/CIPA4/Firmware",
-    "ISEN/Introduction a la cyber et a la cryptographie/CIPA 4/20250708_CRYPTO_exos_avec_corriges.pdf",
     "ISEN/Sécurité IOT/CIPA4/Sécurité IOT Cours 3.md",
     "ISEN/Sécurité IOT/CIPA4/Sécurité IOT Cours 2.md",
     "ISEN/Navigation de vehicule autonome/CIPA4/Navigation de véhicule autonome Cours 1.md",
diff --git a/ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md b/ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md
index adcd884..0f47f96 100644
--- a/ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md	
+++ b/ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md	
@@ -43,6 +43,18 @@ sshd:*:::::::
 default:$1$TLEiB.OR$ZU8PwoIb2Z0jh8Eyex7m.1:17645:0:99999:7:::
 ```
 
+```bash
+felix@Debian-13:~/Firmware/_iotdev_firmware.bin.extracted/squashfs-root$ grep '^default' etc/passwd > default.passwd
+felix@Debian-13:~/Firmware/_iotdev_firmware.bin.extracted/squashfs-root$ grep '^default' etc/shadow > default.shadow
+felix@Debian-13:~/Firmware/_iotdev_firmware.bin.extracted/squashfs-root$ unshadow default.passwd default.shadow > default.hash
+felix@Debian-13:~/Firmware/_iotdev_firmware.bin.extracted/squashfs-root$ john default.hash --wordlist=/usr/share/john/password.lst
+Loaded 1 password hash (md5crypt [MD5 32/64 X2])
+No password hashes left to crack (see FAQ)
+felix@Debian-13:~/Firmware/_iotdev_firmware.bin.extracted/squashfs-root$ john --show default.hash
+default:default:1001:1001:Linux User,,,:/home/default:/bin/sh
+
+1 password hash cracked, 0 left
+```
 
 Il y a un serveur Web et un serveur SSH.