diff --git a/TD/TD2/b.php b/TD/TD2/b.php
index bd74ad8..8e7e7fc 100644
--- a/TD/TD2/b.php
+++ b/TD/TD2/b.php
@@ -1,18 +1,23 @@
 <?php
-$form = $_POST;
 
 require('./config.php');
 
-
-if(isset($_POST['Nom'])) {
+if( isset($_POST["Pays"]) && $_POST["Pays"] != '' &&
+    isset($_POST["Département"]) && $_POST["Département"] != '' &&
+    isset($_POST["Ville"]) && $_POST["Ville"] != '' &&
+    isset($_POST["Organisation"]) && $_POST["Organisation"] != '' &&
+    isset($_POST["Unite"]) && $_POST["Unite"] != '' &&
+    isset($_POST["Nom"]) && $_POST["Nom"] != '' &&
+    isset($_POST["Prenom"]) && $_POST["Prenom"] != '' &&
+    isset($_POST["Email"]) && $_POST["Email"] != '' ) {
     $dn = array(
-        "countryName" => "FR",
-        "stateOrProvinceName" => "Alpes Maritimes",
-        "localityName" => "Nice",
-        "organizationName" => "iut",
-        "organizationalUnitName" => "iotia",
-        "commonName" => "Pauline Srifi",
-        "emailAddress" => "pauline@srifi.fr"
+        "countryName" => $_POST["Pays"],
+        "stateOrProvinceName" => $_POST["Département"],
+        "localityName" => $_POST["Ville"],
+        "organizationName" => $_POST["Organisation"],
+        "organizationalUnitName" => $_POST["Unite"],
+        "commonName" => '$_POST["Nom"]' . ' ' .'$_POST["Prenom"]',
+        "emailAddress" => $_POST["Email"]
         );
     $pk = openssl_pkey_new($config);
     $req = openssl_csr_new($dn, $pk, $config);
@@ -24,6 +29,8 @@ if(isset($_POST['Nom'])) {
     echo "Certificat exporté<br />";
     echo "Requête exportée<br />";
     echo "Clée privée exportée<br />";
+} else {
+    echo '<h1 style="color:#ff0000">Merci de rentez toutes les valeurs demandeés et corectement SVP </h1>';
 }
 
 
@@ -39,6 +46,8 @@ if(isset($_POST['Nom'])) {
         <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 />
+        <label for="Email">Email</label> <input type="email"  name="Email" id="Email" value=""/><br />
+
         <input type="submit" name="Envoyer" value="Envoyer" />
     </form>
 </html>
diff --git a/TD/TD2/b/certificat b/TD/TD2/b/certificat
index 8a534af..2ed3564 100644
--- a/TD/TD2/b/certificat
+++ b/TD/TD2/b/certificat
@@ -1,23 +1,24 @@
 -----BEGIN CERTIFICATE-----
-MIID6jCCAtKgAwIBAgIBADANBgkqhkiG9w0BAQUFADCBjTELMAkGA1UEBhMCRlIx
-GDAWBgNVBAgMD0FscGVzIE1hcml0aW1lczENMAsGA1UEBwwETmljZTEMMAoGA1UE
-CgwDaXV0MQ4wDAYDVQQLDAVpb3RpYTEWMBQGA1UEAwwNUGF1bGluZSBTcmlmaTEf
-MB0GCSqGSIb3DQEJARYQcGF1bGluZUBzcmlmaS5mcjAeFw0yMjEwMDcwOTQzMjRa
-Fw0yMzEwMDcwOTQzMjRaMIGNMQswCQYDVQQGEwJGUjEYMBYGA1UECAwPQWxwZXMg
-TWFyaXRpbWVzMQ0wCwYDVQQHDAROaWNlMQwwCgYDVQQKDANpdXQxDjAMBgNVBAsM
-BWlvdGlhMRYwFAYDVQQDDA1QYXVsaW5lIFNyaWZpMR8wHQYJKoZIhvcNAQkBFhBw
-YXVsaW5lQHNyaWZpLmZyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA
-wRVa2pHJ0u6MBrLdjbH1stQ7YUaAGaL++1b7ktrjsrRd+g3iSZamJI1Sa/9dJJOI
-irw2EJtUaO83ikHdIIDWUSpNHVn5BzLHasnWXeI58CZ0EfV5PDoCZQjW4QNjFhwz
-kxcIO8pQ43UXIbdn3gkROeIU8zb4qBLdrkAPuYDRUOi4+wcNwG4t+YnIrdngCvBu
-PAr1WPS/rK9qVoEvcjSkFi4bGnv0OZ2pw05wY195y5Dl6l6H17sF/NVcWsToflsO
-CaTTOcyn75VUmXWfPLT1tDvMojAlUdkLEliQo7sHCNzkca51oNKQ+MEdeuMyHQMm
-EXHlNTp0ycubKv6QyFahKQIDAQABo1MwUTAdBgNVHQ4EFgQUZXuqW9KrLPaEHTMr
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-AQH/BAUwAwEB/zANBgkqhkiG9w0BAQUFAAOCAQEAJpO+QSO2QBgvIurd3rne+F11
-POVaqT84xgR04CjpaYT3p32G5hOKAjamiBfY6Mv+3htT5EANK1ODhbqQSTDn82tj
-mVzaSWnaBRYOLRVkssxWrD567xeYCAEKR2sgB0+f+yjtHfHrN8JeGuMhzjtLwUfS
-9tl3lxUndwC4uJlTr9Zk9KbSX5CNnhEV31VpS/m799Kwse7s96pMCTY463vAiQZA
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-XGQU/zNT8we/6i4Y8wpBMoC7bkxrlUgU3IQyLcSe0JflLyXb3WPec1fSQPthxA==
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+GDAWBgNVBAgMD2FscGVzIG1hcml0aW1lczENMAsGA1UEBwwETmljZTEMMAoGA1UE
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+X1BPU1RbIlByZW5vbSJdMR8wHQYJKoZIhvcNAQkBFhBwYXVsaW5lQHNyaWZpLmZy
+MB4XDTIyMTAxNDA4MTMwOVoXDTIzMTAxNDA4MTMwOVowgZ4xCzAJBgNVBAYTAkZS
+MRgwFgYDVQQIDA9hbHBlcyBtYXJpdGltZXMxDTALBgNVBAcMBE5pY2UxDDAKBgNV
+BAoMA2l1dDEOMAwGA1UECwwFaW90aWExJzAlBgNVBAMMHiRfUE9TVFsiTm9tIl0g
+JF9QT1NUWyJQcmVub20iXTEfMB0GCSqGSIb3DQEJARYQcGF1bGluZUBzcmlmaS5m
+cjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMnksvuvN9wL7Wud2UmE
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+IwQYMBaAFEPEt9ZLhFFfhdaUwQO+COxzRZzQMA8GA1UdEwEB/wQFMAMBAf8wDQYJ
+KoZIhvcNAQEFBQADggEBAB7p+cyQ8ek0uDzUW48J/JuPsqGgTf/iqH8mRjxGBFJC
+OIdxq1Xt67mguNc8v36Pydq9ym7cNm0c25woXgFf5RG0bFMyGSqU0Y7352tzQIrY
+ty77cCFC6FZSDrNJSOZ4xxCkQhyf1MKKV9PejB+Oanno3hIm5MKkfF7NJfubmgvK
+6jlLwu4tOB/1GhjK6ekhtDjdwseoOVHKlV8EGiaqVYG/Zid9jyuKKY0csRlLHplk
+UDE4/dXiz7mOhW1Hs1Alh0Al7yZLFMsF/cuex0XAQbA5lWSw8tg6d47P7gy4FbI3
+Or7Mt35VokYFfs7ZHPf/pXI5ZGryEUHm9x67u8Sebs8=
 -----END CERTIFICATE-----
diff --git a/TD/TD2/b/clePrivee b/TD/TD2/b/clePrivee
index a2f554c..072a4a6 100644
--- a/TD/TD2/b/clePrivee
+++ b/TD/TD2/b/clePrivee
@@ -1,28 +1,28 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDBFVrakcnS7owG
-st2NsfWy1DthRoAZov77VvuS2uOytF36DeJJlqYkjVJr/10kk4iKvDYQm1Ro7zeK
-Qd0ggNZRKk0dWfkHMsdqydZd4jnwJnQR9Xk8OgJlCNbhA2MWHDOTFwg7ylDjdRch
-t2feCRE54hTzNvioEt2uQA+5gNFQ6Lj7Bw3Abi35icit2eAK8G48CvVY9L+sr2pW
-gS9yNKQWLhsae/Q5nanDTnBjX3nLkOXqXofXuwX81VxaxOh+Ww4JpNM5zKfvlVSZ
-dZ88tPW0O8yiMCVR2QsSWJCjuwcI3ORxrnWg0pD4wR164zIdAyYRceU1OnTJy5sq
-/pDIVqEpAgMBAAECggEBALboRufUwY7q4YUa/dxT3//nItU0lvcyPD/Wl3z3lEne
-qUPO0TWK25q2sYSTJSYYCHn8b27t5ll9e2yilhpLUjsTSnfqmoiiJtzXlRXcz6va
-kYvNsWpHPat+YyhHMB9q2cSWRft13YiLjD0pY+CnUEU4EUaRJZ76ODvwfbTp/d+Y
-4A+3zZ7knQqGn3ikflHVdgcix6mWQrzEEo3MTkfGBQiBowEJn7xQ7Av+EpizdF1t
-N6SuXi/2DXRRYrY8T3LPsIJjXy+rK9ZpiPhTb3o8y4MqbiKf+dkUx2ARWH3r80Hw
-rK1SBUBKwpqc8DHoLhE30sGmEE3YHcmxGUFgdb+OeH0CgYEA7rxJvUe94SYpGVxP
-4fNfskeRoCgDqFCqraiZ4jbVDqD9dCGtMlWtjZu8QBWclEW2I/WHX7n5YpydsLZ6
-ZU9MalPWdefCkIxn4WvRYjpvV4I7RfbjmYqRzMh2u33P5TULF4XzI7LU55GzlWrm
-XVUWvJVHtum0mYNAKhUWJhehc+cCgYEAzwvo1zqkJwqXx3K93+5r/5cp7mcjLJEK
-FokJKNZlRE4NEHC4jZ75Pfe84Y/l6tOBj8k66tkFRTOY/DiLKYNvoJae18J+jtB1
-EuDcLsz0LO0+I2lvBl23yd/OU3qjak+bjqfjidW+nApz+hDaHY0RrSRDvRJuXc1Q
-XDsj5utToG8CgYAd+tsvv+Cic45ZtvP5JfzwgHhTKnM7IdYtNK0OcWBUE/eAK/J6
-DbRbwiDj01L0c8Spw12asdoVfiF3XZMFQe4QtDKMX+xZBqjM8CM9OKVe0eXrpVNz
-pqkklFAEv4np+L1J2PJtmzmNUwjATMpdEiBm0kBNQhAB7y+RmVBMvE70JQKBgCBn
-e8Sbr+9QUBruEVuHxC1Xaj+esrmZ5ZtLTTyv+V9sW80T5z57AAU7zbr7u386JQ/s
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-NVhwNInVdPtRQeHYH0ka4OMpjE5wAMC+nMraT9dPAoGARPQBfTozV5eV5AD44z2p
-Ryseg4FIWs99yPb7WT1ZcKBtZPgoy1OP/YOfzpHYRq/3oBnl1RfApMb9gAFh71DP
-Eqs5T6/pEOokbd4ED1u5CqD9gNcvRA1jg9G6cQK0D4/io6dy1gTLFOQ8AD2/Pzcd
-HY8Io1Dw9BwCfQ0lwBcCaAU=
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQDJ5LL7rzfcC+1r
+ndlJhIcq2shAY98HGQ1/+QqLSzcx2ZkrzRzcCKKRQBZ3LZyccFXJhlYzQo/NqKqx
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+GV4xhTJORLbIQ5+zmjTlXzvz1jzcI8VVKt0gPgfjbZHsZH23MNlExA7DoodAly/A
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+FH6dJ02qeptBNV+bxYhyYzZnyYTiySrpHBSSiAhtLETA5JeoPIjjBPKMQTrxQwwO
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+EO8QUr7igLmmQfq9bQ2qxaxKgjltTIwqM5xPfIfo6WfzceQjlJWkG8XlU49sYzjP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 -----END PRIVATE KEY-----
diff --git a/TD/TD2/b/requete b/TD/TD2/b/requete
index 4f66394..20e0360 100644
--- a/TD/TD2/b/requete
+++ b/TD/TD2/b/requete
@@ -1,18 +1,18 @@
 -----BEGIN CERTIFICATE REQUEST-----
-MIIC0zCCAbsCAQAwgY0xCzAJBgNVBAYTAkZSMRgwFgYDVQQIDA9BbHBlcyBNYXJp
+MIIC5DCCAcwCAQAwgZ4xCzAJBgNVBAYTAkZSMRgwFgYDVQQIDA9hbHBlcyBtYXJp
 dGltZXMxDTALBgNVBAcMBE5pY2UxDDAKBgNVBAoMA2l1dDEOMAwGA1UECwwFaW90
-aWExFjAUBgNVBAMMDVBhdWxpbmUgU3JpZmkxHzAdBgkqhkiG9w0BCQEWEHBhdWxp
-bmVAc3JpZmkuZnIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDBFVra
-kcnS7owGst2NsfWy1DthRoAZov77VvuS2uOytF36DeJJlqYkjVJr/10kk4iKvDYQ
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-ylDjdRcht2feCRE54hTzNvioEt2uQA+5gNFQ6Lj7Bw3Abi35icit2eAK8G48CvVY
-9L+sr2pWgS9yNKQWLhsae/Q5nanDTnBjX3nLkOXqXofXuwX81VxaxOh+Ww4JpNM5
-zKfvlVSZdZ88tPW0O8yiMCVR2QsSWJCjuwcI3ORxrnWg0pD4wR164zIdAyYRceU1
-OnTJy5sq/pDIVqEpAgMBAAGgADANBgkqhkiG9w0BAQUFAAOCAQEAv3qcUfS5a8Sv
-4At7d/nGDj3DAHr9BorRR3WRV6Ybv6c+2X5Ia66AhrnZrPhkgU/8Sf7YoB+ZAJ7s
-OQyX/n7id/lqaTslXl6rimRqOIR/PaJKFHAZQQHiNC95P6C11N+7TXum75b20QtX
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-+dtbBUNEbHPgYuwqIMP7GyJvzuTAdexUJU+ITS0ozl44MiOc6oQo4Q8rvv8QCm2U
-kxKX5T5EHw==
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+R5DkCrWvU+kR5g2gkGSq/V2wtFBu6EotzhfWt4UCAwEAAaAAMA0GCSqGSIb3DQEB
+BQUAA4IBAQCtTXsHh1L1XWNk6wTQtVJEudusIKuYrDeaFL67WNFzipADXDjBlVbm
+neNIbrjc5gnFRhOoL8a78wHs7WwN+hIDf2eisq8UwE3nwHowLAcWrtROct/X1+10
+Mrn83Ym5U1gYjLf4Js6etCzGhKhjSGFgplmHk00pDO+3W80xjdlkZIO8ijsxLnQv
+IYdq+osSmDJ+mjmrBPNa76+lhFJIcfU+2+4YEFot+K0OQ8sYmMl/W3irKmSb7Ge8
+gWYO9ac52uGo6jJixpPvMPPa0utPLhqjrqonZITmtSjc85iBspagk3BV5gnoEX5R
+PvBMthvzCkv5SR1jIErExduzlt+NUlMu
 -----END CERTIFICATE REQUEST-----
diff --git a/TD/TD2/c.php b/TD/TD2/c.php
index 6d218f5..5936b1f 100644
--- a/TD/TD2/c.php
+++ b/TD/TD2/c.php
@@ -1,3 +1,25 @@
 <?php
 
 require('./config.php');
+
+$ret = "";
+$deret = "";
+if(isset($_POST["Code"]) && $_POST["Code"] != '') {
+    openssl_public_encrypt($_POST["Code"], $ret, openssl_csr_get_public_key(file_get_contents("./b/requete")));
+    openssl_private_decrypt($ret,$deret,file_get_contents("./b/clePrivee"));
+}
+
+
+?>
+
+<html>
+    <form method="POST" action="c.php">
+        <label for="Code">Texte a chiffrer : </label> <input type="text"  name="Code" id="Code" value=""/><br />
+        <input type="submit" name="Envoyer" value="Envoyer" />
+    </form>
+    <p>Texte chiffré : <?php echo $ret?></p>
+    <p>Texte déchiffré : <?php echo $deret?></p>
+</html>
+
+
+
diff --git a/TD/TD2/d.php b/TD/TD2/d.php
new file mode 100644
index 0000000..d7ab507
--- /dev/null
+++ b/TD/TD2/d.php
@@ -0,0 +1,15 @@
+<?php
+
+require('./config.php');
+
+
+?>
+
+<html>
+    <form method="POST" action="c.php">
+        <label for="Code">Fichier</label> <input id="File" name="File" value=""/><br />
+        <input type="submit" name="Envoyer" value="Envoyer" />
+    </form>
+    <p>Texte chiffré : <?php echo $ret?></p>
+    <p>Texte déchiffré : <?php echo $deret?></p>
+</html>
\ No newline at end of file