diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..d72ff34
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+ISEN/Sécurité[[:space:]]IOT/CIPA4/LabFiles/rawdata-B1-I-f4.335000e+08-s8.000000e+06.cfile filter=lfs diff=lfs merge=lfs -text
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 3d9bc47..027217c 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,7 +13,7 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md",
+                "file": "ISEN/English/CIPA4/11 fev 2026.md",
                 "mode": "source",
                 "source": false,
                 "backlinks": true,
@@ -28,19 +28,7 @@
                 }
               },
               "icon": "lucide-file",
-              "title": "Sécurité IOT TP1"
-            }
-          },
-          {
-            "id": "c14718d48fd4ce6a",
-            "type": "leaf",
-            "state": {
-              "type": "pdf",
-              "state": {
-                "file": "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part1.pdf"
-              },
-              "icon": "lucide-file-text",
-              "title": "IoT.Security.Primer.2026.part1"
+              "title": "11 fev 2026"
             }
           },
           {
@@ -79,8 +67,7 @@
               "title": "20011126_fips-197"
             }
           }
-        ],
-        "currentTab": 1
+        ]
       }
     ],
     "direction": "vertical"
@@ -253,34 +240,39 @@
       "obsidian-git:Open Git source control": false
     }
   },
-  "active": "c14718d48fd4ce6a",
+  "active": "e11a6a080eb83632",
   "lastOpenFiles": [
-    "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part2.pdf",
-    "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part3.pdf",
+    "ISEN/English/CIPA4/11 fev 2026.md",
+    "ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP2.md",
+    "Pasted image 20260210150329.png",
+    "ISEN/Sécurité IOT/CIPA4/LabFiles/URHProject.xml",
+    "ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md",
+    "ISEN/Sécurité IOT/CIPA4/IoT.Firmware.Analysis.pdf",
+    "ISEN/Sécurité IOT/CIPA4/test2.md",
+    "ISEN/Sécurité IOT/CIPA4/test.md",
     "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part4.pdf",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/iotdev_firmware.bin",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/emulated.tgz",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/emulated/mips32/rootfs.ext2",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/emulated/mips32/start_device.sh.bak",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/emulated/mips32/start_device.sh",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/emulated/mips32/root.shadow",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/emulated/mips32/vmlinux",
-    "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root/root.passwd",
+    "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part3.pdf",
+    "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part2.pdf",
+    "ISEN/Sécurité IOT/CIPA4/IoT.Security.Primer.2026.part1.pdf",
+    "ISEN/Sécurité IOT/CIPA4/Sécurité IOT Cours 3.md",
+    "Pasted image 20260210141034.png",
+    "Pasted image 20260210140833.png",
+    "ISEN/Sécurité IOT/CIPA4/LabFiles/rawdata-B1-I-f4.335000e+08-s8.000000e+06.cfile",
+    "ISEN/Sécurité IOT/CIPA4/LabFiles/B1-I-433_5MHz-2MSps-2MHz.complex16s",
+    "ISEN/Sécurité IOT/CIPA4/LabFiles/FullRemote-433_7MHz-2MSps-2MHz.complex16s",
+    "ISEN/Sécurité IOT/CIPA4/LabFiles",
     "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root/usr/html/logo-7.svg",
     "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root/usr/html/graph2.png",
     "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root/usr/html/graph1.png",
     "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root-0/usr/html/logo-7.svg",
     "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root-0/usr/html/graph2.png",
     "ISEN/Sécurité IOT/CIPA4/Firmware/_iotdev_firmware.bin.extracted/squashfs-root-0/usr/html/graph1.png",
-    "ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP1.md",
     "ISEN/Introduction a la cyber et a la cryptographie/CIPA 4/Crypto Cours 2.md",
     "ISEN/Sécurité IOT/CIPA4/Sécurité IOT Cours 1.md",
-    "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",
     "ISEN/Introduction a la cyber et a la cryptographie/CIPA 4/Cyber Cours 2.md",
     "ISEN/Web/CIPA 4/TP/TP5/MPD.png",
-    "ISEN/Web/CIPA 4/TP/TP5/MCD.png",
     "ISEN/Introduction a la cyber et a la cryptographie/CIPA 4/Crypto Cours 1.md",
     "ISEN/Réunion/CIPA 3/Rentrée 2024-25.md",
     "ISEN/Réunion/CIPA 3/Départ en entreprise 1 20-09-2024.md",
@@ -297,11 +289,6 @@
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     "ISEN/Cloud Computing/CIPA4/TP 1 Ansible.md",
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-    "ISEN/English/CIPA4/16 janv 2026.md",
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-    "ISEN/English/A2/23 févr 2024.md",
-    "Pasted image 20251009192656.png",
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diff --git a/ISEN/English/CIPA4/11 fev 2026.md b/ISEN/English/CIPA4/11 fev 2026.md
new file mode 100644
index 0000000..15f0904
--- /dev/null
+++ b/ISEN/English/CIPA4/11 fev 2026.md	
@@ -0,0 +1,17 @@
+Q1: A
+Q2: C
+Q3: A
+Q4: C
+Q5: A
+Q6: B
+Q7: C
+Q8: A
+Q9: A
+Q10: A  
+Q11: A
+Q12: B
+
+A: 7
+B: 2
+C: 3
+
diff --git a/ISEN/Sécurité IOT/CIPA4/IoT.Reverse.Protocol.pdf b/ISEN/Sécurité IOT/CIPA4/IoT.Reverse.Protocol.pdf
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index 0000000..6fd1c37
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diff --git a/ISEN/Sécurité IOT/CIPA4/LabFiles/.gitattributes b/ISEN/Sécurité IOT/CIPA4/LabFiles/.gitattributes
new file mode 100644
index 0000000..55aa6da
--- /dev/null
+++ b/ISEN/Sécurité IOT/CIPA4/LabFiles/.gitattributes	
@@ -0,0 +1,2 @@
+*.cfile filter=lfs diff=lfs merge=lfs -text
+*.complex16s filter=lfs diff=lfs merge=lfs -text
diff --git a/ISEN/Sécurité IOT/CIPA4/LabFiles/B1-I-433_5MHz-2MSps-2MHz.complex16s b/ISEN/Sécurité IOT/CIPA4/LabFiles/B1-I-433_5MHz-2MSps-2MHz.complex16s
new file mode 100755
index 0000000..00d7dbc
Binary files /dev/null and b/ISEN/Sécurité IOT/CIPA4/LabFiles/B1-I-433_5MHz-2MSps-2MHz.complex16s differ
diff --git a/ISEN/Sécurité IOT/CIPA4/LabFiles/FullRemote-433_7MHz-2MSps-2MHz.complex16s b/ISEN/Sécurité IOT/CIPA4/LabFiles/FullRemote-433_7MHz-2MSps-2MHz.complex16s
new file mode 100755
index 0000000..f7cb8b3
Binary files /dev/null and b/ISEN/Sécurité IOT/CIPA4/LabFiles/FullRemote-433_7MHz-2MSps-2MHz.complex16s differ
diff --git a/ISEN/Sécurité IOT/CIPA4/LabFiles/URHProject.xml b/ISEN/Sécurité IOT/CIPA4/LabFiles/URHProject.xml
new file mode 100644
index 0000000..2454b6e
--- /dev/null
+++ b/ISEN/Sécurité IOT/CIPA4/LabFiles/URHProject.xml	
@@ -0,0 +1,104 @@
+<?xml version="1.0" ?>
+<UniversalRadioHackerProject description="" collapse_project_tabs="0" modulation_was_edited="0" broadcast_address_hex="ffff">
+  <modulators>
+    <modulator carrier_freq_hz="40000.0" carrier_amplitude="1.0" carrier_phase_deg="0.0" samples_per_symbol="100" name="Modulator" gauss_bt="0.5" gauss_filter_width="1.0" sample_rate="None" modulation_type="ASK" index="0" parameters="0.0,100.0" bits_per_symbol="1"/>
+  </modulators>
+  <device_conf>
+    <bandwidth>1000000.0</bandwidth>
+    <frequency>433920000.0</frequency>
+    <name>USRP</name>
+    <sample_rate>1000000.0</sample_rate>
+  </device_conf>
+  <simulator_rx_conf/>
+  <simulator_tx_conf/>
+  <signal name="FullRemote-433_7MHz-2MSps-2MHz" filename="FullRemote-433_7MHz-2MSps-2MHz.complex16s" samples_per_symbol="300" center="0.008731566271308111" center_spacing="1" tolerance="12" noise_threshold="0" noise_minimum="0" noise_maximum="0" modulation_type="ASK" sample_rate="1000000.0" pause_threshold="12" message_length_divisor="1" bits_per_symbol="1" costas_loop_bandwidth="0.1">
+    <messages/>
+  </signal>
+  <open_file name="FullRemote-433_7MHz-2MSps-2MHz.complex16s" position="0"/>
+  <group name="New Group" id="0">
+    <cf_protocol filename="FullRemote-433_7MHz-2MSps-2MHz.complex16s"/>
+  </group>
+  <protocol>
+    <decodings>
+      <decoding>'Non Return To Zero (NRZ)', </decoding>
+      <decoding>'Non Return To Zero + Invert', 'Invert', </decoding>
+      <decoding>'Manchester I', 'Edge Trigger', </decoding>
+      <decoding>'Manchester II', 'Edge Trigger', 'Invert', </decoding>
+      <decoding>'Differential Manchester', 'Edge Trigger', 'Differential Encoding', </decoding>
+      <decoding>'IoT Device', 'Invert', 'Morse Code', '2;7;1', </decoding>
+      <decoding>'IoT Device2', 'Invert', 'Morse Code', '2;7;1', 'Edge Trigger', 'Invert', </decoding>
+    </decodings>
+    <participants/>
+    <messages>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5840" timestamp="1.840087" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21834" timestamp="1.846288" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5831" timestamp="2.010989" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21858" timestamp="2.017194" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5875" timestamp="2.181926" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21870" timestamp="2.18816" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5858" timestamp="2.352879" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21853" timestamp="2.359087" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5863" timestamp="2.523839" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="2316358" timestamp="2.530053" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5896" timestamp="4.989288" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21970" timestamp="4.995511" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5984" timestamp="5.16031" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="22022" timestamp="5.166567" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5922" timestamp="5.33134" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21901" timestamp="5.337481" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5892" timestamp="5.502176" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21888" timestamp="5.508389" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5901" timestamp="5.67315" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="2196868" timestamp="5.67938" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5857" timestamp="8.019068" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21857" timestamp="8.025224" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5870" timestamp="8.189957" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21883" timestamp="8.19617" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5855" timestamp="8.36093" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21874" timestamp="8.36715" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5898" timestamp="8.531918" decoding_index="6"/>
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+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="1780624" timestamp="8.709106" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5902" timestamp="10.63263" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21898" timestamp="10.638824" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5903" timestamp="10.803576" decoding_index="6"/>
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+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5893" timestamp="10.974584" decoding_index="6"/>
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+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5907" timestamp="11.145533" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21881" timestamp="11.15175" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5895" timestamp="11.3165" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="1900290" timestamp="11.32274" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5866" timestamp="13.365872" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21889" timestamp="13.372097" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5905" timestamp="13.536858" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21900" timestamp="13.5431" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5913" timestamp="13.707862" decoding_index="6"/>
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+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5885" timestamp="13.878883" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21896" timestamp="13.885091" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5865" timestamp="14.049866" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="1955076" timestamp="14.056042" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5848" timestamp="16.154013" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21884" timestamp="16.16024" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5841" timestamp="16.325033" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21871" timestamp="16.331243" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5899" timestamp="16.496028" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21846" timestamp="16.502286" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5919" timestamp="16.667038" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="21887" timestamp="16.673322" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="5912" timestamp="16.838068" decoding_index="6"/>
+      <message message_type_id="334b270c-977a-44f8-867e-477ebec7979f" modulator_index="0" pause="3460021" timestamp="16.844346" decoding_index="6"/>
+    </messages>
+    <message_types>
+      <message_type name="Default" id="334b270c-977a-44f8-867e-477ebec7979f" assigned_by_ruleset="0" assigned_by_logic_analyzer="0">
+        <label name="synchronization" start="0" end="408" color_index="0" apply_decoding="True" show="2" display_format_index="0" display_bit_order_index="0" display_endianness="big" fuzz_me="2" fuzz_values="" auto_created="True"/>
+        <ruleset mode="0"/>
+      </message_type>
+    </message_types>
+  </protocol>
+  <simulator_config>
+    <items/>
+  </simulator_config>
+</UniversalRadioHackerProject>
diff --git a/ISEN/Sécurité IOT/CIPA4/LabFiles/rawdata-B1-I-f4.335000e+08-s8.000000e+06.cfile b/ISEN/Sécurité IOT/CIPA4/LabFiles/rawdata-B1-I-f4.335000e+08-s8.000000e+06.cfile
new file mode 100755
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diff --git a/ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP2.md b/ISEN/Sécurité IOT/CIPA4/Sécurité IOT TP2.md
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+#CIPA4 #DP #SécuritéIOT 
+
+# Partie I
+![](Pasted%20image%2020260210141034.png)
+Period = Period / Symbols = 505 / 6 = 84
+
+C'est de l'OOK
+
+64 bits
+
+1001 1010 1010 0110 1010 0110 0101 0101 1010 1010 1001 1001 0110 1001 1010 1010
+
+![](Pasted%20image%2020260210150329.png)
+
+0110 0101 0101 1001 0101 1001 1010 1010 0101 01010 1100 11010 01011 00101 0101
\ No newline at end of file
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