diff --git a/TD/TD2/a.php b/TD/TD2/a.php
new file mode 100644
index 0000000..f1dc284
--- /dev/null
+++ b/TD/TD2/a.php
@@ -0,0 +1,26 @@
+<?php
+
+require('./config.php');
+
+$dn = array(
+    "countryName" => "FR",
+    "stateOrProvinceName" => "Sophia",
+    "localityName" => "Valbonne",
+    "organizationName" => "iut",
+    "organizationalUnitName" => "iut_iotia",
+    "commonName" => "b",
+    "emailAddress" => "iut@univ.fr"
+    );
+
+$pk = openssl_pkey_new($config);
+$req = openssl_csr_new($dn, $pk, $config);
+$certif = openssl_csr_sign($req, null, $pk, (365*3), $config);
+$exportCertif = openssl_x509_export_to_file($certif, "./a/certificat");
+$exportReq = openssl_csr_export_to_file($req, "./a/requete");
+$exportKey = openssl_pkey_export_to_file($pk, "./a/clePrivee", null, $config);
+
+echo "Certificat exporté<br />";
+echo "Requête exportée<br />";
+echo "Clée privée exportée<br />";
+
+
diff --git a/TD/TD2/a/certificat b/TD/TD2/a/certificat
new file mode 100644
index 0000000..a1196d9
--- /dev/null
+++ b/TD/TD2/a/certificat
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/TD/TD2/a/clePrivee b/TD/TD2/a/clePrivee
new file mode 100644
index 0000000..26b70b0
--- /dev/null
+++ b/TD/TD2/a/clePrivee
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/TD/TD2/a/requete b/TD/TD2/a/requete
new file mode 100644
index 0000000..2e99704
--- /dev/null
+++ b/TD/TD2/a/requete
@@ -0,0 +1,17 @@
+-----BEGIN CERTIFICATE REQUEST-----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+-----END CERTIFICATE REQUEST-----
diff --git a/TD/TD2/b.php b/TD/TD2/b.php
new file mode 100644
index 0000000..bd74ad8
--- /dev/null
+++ b/TD/TD2/b.php
@@ -0,0 +1,47 @@
+<?php
+$form = $_POST;
+
+require('./config.php');
+
+
+if(isset($_POST['Nom'])) {
+    $dn = array(
+        "countryName" => "FR",
+        "stateOrProvinceName" => "Alpes Maritimes",
+        "localityName" => "Nice",
+        "organizationName" => "iut",
+        "organizationalUnitName" => "iotia",
+        "commonName" => "Pauline Srifi",
+        "emailAddress" => "pauline@srifi.fr"
+        );
+    $pk = openssl_pkey_new($config);
+    $req = openssl_csr_new($dn, $pk, $config);
+    $certif = openssl_csr_sign($req, null, $pk, (365), $config);
+    $exportCertif = openssl_x509_export_to_file($certif, "./b/certificat");
+    $exportReq = openssl_csr_export_to_file($req, "./b/requete");
+    $exportKey = openssl_pkey_export_to_file($pk, "./b/clePrivee", null, $config);
+        
+    echo "Certificat exporté<br />";
+    echo "Requête exportée<br />";
+    echo "Clée privée exportée<br />";
+}
+
+
+
+?>
+
+<html>
+    <form method="POST" action="b.php">
+        <label for="Nom">Nom</label> <input type="text"  name="Nom" id="Nom" value=""/><br />
+        <label for="Prenom">Prenom</label> <input type="text"  name="Prenom" id="Prenom" value=""/><br />
+        <label for="Ville">Ville</label> <input type="text"  name="Ville" id="Ville" value=""/><br />
+        <label for="Département">Département</label> <input type="text"  name="Département" id="Département" value=""/><br />
+        <label for="Pays">Pays</label> <input type="text"  name="Pays" id="Pays" value=""/><br />
+        <label for="Organisation">Organisation</label> <input type="text"  name="Organisation" id="Organisation" value=""/><br />
+        <label for="Unite">Unite</label> <input type="text"  name="Unite" id="Unite" value=""/><br />
+        <input type="submit" name="Envoyer" value="Envoyer" />
+    </form>
+</html>
+
+
+
diff --git a/TD/TD2/b/certificat b/TD/TD2/b/certificat
new file mode 100644
index 0000000..8a534af
--- /dev/null
+++ b/TD/TD2/b/certificat
@@ -0,0 +1,23 @@
+-----BEGIN CERTIFICATE-----
+MIID6jCCAtKgAwIBAgIBADANBgkqhkiG9w0BAQUFADCBjTELMAkGA1UEBhMCRlIx
+GDAWBgNVBAgMD0FscGVzIE1hcml0aW1lczENMAsGA1UEBwwETmljZTEMMAoGA1UE
+CgwDaXV0MQ4wDAYDVQQLDAVpb3RpYTEWMBQGA1UEAwwNUGF1bGluZSBTcmlmaTEf
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+Fw0yMzEwMDcwOTQzMjRaMIGNMQswCQYDVQQGEwJGUjEYMBYGA1UECAwPQWxwZXMg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+AQH/BAUwAwEB/zANBgkqhkiG9w0BAQUFAAOCAQEAJpO+QSO2QBgvIurd3rne+F11
+POVaqT84xgR04CjpaYT3p32G5hOKAjamiBfY6Mv+3htT5EANK1ODhbqQSTDn82tj
+mVzaSWnaBRYOLRVkssxWrD567xeYCAEKR2sgB0+f+yjtHfHrN8JeGuMhzjtLwUfS
+9tl3lxUndwC4uJlTr9Zk9KbSX5CNnhEV31VpS/m799Kwse7s96pMCTY463vAiQZA
+GtM/M280KJx+Xe2x2fWj+fH1EaOvjLH8EUkuaaxQxVt+mJatM+qiBUasL2rgrdF0
+XGQU/zNT8we/6i4Y8wpBMoC7bkxrlUgU3IQyLcSe0JflLyXb3WPec1fSQPthxA==
+-----END CERTIFICATE-----
diff --git a/TD/TD2/b/clePrivee b/TD/TD2/b/clePrivee
new file mode 100644
index 0000000..a2f554c
--- /dev/null
+++ b/TD/TD2/b/clePrivee
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDBFVrakcnS7owG
+st2NsfWy1DthRoAZov77VvuS2uOytF36DeJJlqYkjVJr/10kk4iKvDYQm1Ro7zeK
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+EuDcLsz0LO0+I2lvBl23yd/OU3qjak+bjqfjidW+nApz+hDaHY0RrSRDvRJuXc1Q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+-----END PRIVATE KEY-----
diff --git a/TD/TD2/b/requete b/TD/TD2/b/requete
new file mode 100644
index 0000000..4f66394
--- /dev/null
+++ b/TD/TD2/b/requete
@@ -0,0 +1,18 @@
+-----BEGIN CERTIFICATE REQUEST-----
+MIIC0zCCAbsCAQAwgY0xCzAJBgNVBAYTAkZSMRgwFgYDVQQIDA9BbHBlcyBNYXJp
+dGltZXMxDTALBgNVBAcMBE5pY2UxDDAKBgNVBAoMA2l1dDEOMAwGA1UECwwFaW90
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+zKfvlVSZdZ88tPW0O8yiMCVR2QsSWJCjuwcI3ORxrnWg0pD4wR164zIdAyYRceU1
+OnTJy5sq/pDIVqEpAgMBAAGgADANBgkqhkiG9w0BAQUFAAOCAQEAv3qcUfS5a8Sv
+4At7d/nGDj3DAHr9BorRR3WRV6Ybv6c+2X5Ia66AhrnZrPhkgU/8Sf7YoB+ZAJ7s
+OQyX/n7id/lqaTslXl6rimRqOIR/PaJKFHAZQQHiNC95P6C11N+7TXum75b20QtX
+aC+rlgQOCPFsnkvdKgyexNLK0Jzyn61tE9N2/4I38FZAj1e6zfyLd32Ws+QIagBC
+C4KNQwgLtY/1r64WsofiUUNa/SQXwFpaDTCPi359q/m5PAdxMCdj3rrIA8H24I15
++dtbBUNEbHPgYuwqIMP7GyJvzuTAdexUJU+ITS0ozl44MiOc6oQo4Q8rvv8QCm2U
+kxKX5T5EHw==
+-----END CERTIFICATE REQUEST-----
diff --git a/TD/TD2/c.php b/TD/TD2/c.php
new file mode 100644
index 0000000..6d218f5
--- /dev/null
+++ b/TD/TD2/c.php
@@ -0,0 +1,3 @@
+<?php
+
+require('./config.php');
diff --git a/TD/TD2/config.php b/TD/TD2/config.php
new file mode 100644
index 0000000..63e04ac
--- /dev/null
+++ b/TD/TD2/config.php
@@ -0,0 +1,7 @@
+<?php
+
+$config = array(
+    "config" => "C:\\laragon\\bin\\php\\php-8.1.10-Win32-vs16-x64\\extras\\ssl\\openssl.cnf"
+);
+
+?>
\ No newline at end of file