diff --git a/Form/ConfigurationForm.php b/Form/ConfigurationForm.php
old mode 100644
new mode 100755
index 0218155..608cf49
--- a/Form/ConfigurationForm.php
+++ b/Form/ConfigurationForm.php
@@ -1,7 +1,7 @@
 <?php
 /*************************************************************************************/
 /*                                                                                   */
-/*      Thelia	                                                                     */
+/*      Thelia                                                                       */
 /*                                                                                   */
 /*      Copyright (c) OpenStudio                                                     */
 /*      email : info@thelia.net                                                      */
@@ -17,7 +17,7 @@
 /*      GNU General Public License for more details.                                 */
 /*                                                                                   */
 /*      You should have received a copy of the GNU General Public License            */
-/*	    along with this program. If not, see <http://www.gnu.org/licenses/>.         */
+/*      along with this program. If not, see <http://www.gnu.org/licenses/>.         */
 /*                                                                                   */
 /*************************************************************************************/
 
@@ -74,6 +74,10 @@ protected function buildForm()
         /** @var Module $multiModule */
         $multiEnabled = (null !== $multiModule = ModuleQuery::create()->findOneByCode('PayzenMulti')) && $multiModule->getActivate() != 0;
 
+        // If the Multi plugin is not enabled, all multi_fields are hidden
+        /** @var Module $multiModule */
+        $choozeoEnabled = (null !== $choozeoModule = ModuleQuery::create()->findOneByCode('PayzenChoozeo')) && $choozeoModule->getActivate() != 0;
+
         $this->formBuilder
             ->add(
                 'site_id',
@@ -117,6 +121,24 @@ protected function buildForm()
                     )
                 )
             )
+            ->add(
+                'signature_algorythm',
+                'choice',
+                array(
+                    'choices' => array(
+                        'HMAC' => 'HMAC-SHA-256',
+                        'SHA1' => 'SHA1',
+                    ),
+                    'constraints' => array(new NotBlank()),
+                    'required' => true,
+                    'label' => $this->trans('Signature algorythm'),
+                    'data' => 'HMAC',
+                    'label_attr' => array(
+                        'for' => 'signature_algorythm',
+                        'help' => $this->trans('The algorythm used to compute the signature')
+                    )
+                )
+            )
             ->add(
                 'platform_url',
                 'text',
@@ -519,6 +541,74 @@ protected function buildForm()
                 )
             ;
         }
+
+        if ($choozeoEnabled) {
+            $this->formBuilder
+                ->add(
+                    'choozeo_minimum_amount',
+                    'number',
+                    array(
+                        'constraints' => array(
+                            new NotBlank(),
+                            new GreaterThanOrEqual(array('value' => 0))
+                        ),
+                        'required' => true,
+                        'label' => $this->trans('Minimum order total for multiple times'),
+                        'data' => PayzenConfigQuery::read('choozeo_minimum_amount', 0),
+                        'label_attr' => array(
+                            'for' => 'choozeo_minimum_amount',
+                            'help' => $this->trans('Minimum order total in the default currency for which multiple times payment method is available. Enter 0 for no minimum')
+                        ),
+                        'attr' => [
+                            'step' => 'any'
+                        ]
+                    )
+                )
+                ->add(
+                    'choozeo_maximum_amount',
+                    'number',
+                    array(
+                        'constraints' => array(
+                            new NotBlank(),
+                            new GreaterThanOrEqual(array('value' => 0))
+                        ),
+                        'required' => true,
+                        'label' => $this->trans('Maximum order total for multiple times'),
+                        'data' => PayzenConfigQuery::read('choozeo_maximum_amount', 0),
+                        'label_attr' => array(
+                            'for' => 'choozeo_maximum_amount',
+                            'help' => $this->trans('Maximum order total in the default currency for which multiple times payment method is available. Enter 0 for no maximum')
+                        ),
+                        'attr' => [
+                            'step' => 'any'
+                        ]
+                    )
+                )
+                ->add(
+                    'choozeo_number_of_payments',
+                    'number',
+                    array(
+                        'constraints' => array(
+                            new NotBlank(),
+                            new GreaterThanOrEqual(array('value' => 3)),
+                            new LessThanOrEqual(array('value' => 4))
+                        ),
+                        'required' => true,
+                        'label' => $this->trans('Number of payments'),
+                        'data' => PayzenConfigQuery::read('choozeo_number_of_payments', 4),
+                        'label_attr' => array(
+                            'for' => 'choozeo_number_of_payments',
+                            'help' => $this->trans('The total number of payments')
+                        ),
+                        'attr' => [
+                            'min' => 3,
+                            'max' => 4
+                        ]
+                    )
+                )
+
+            ;
+        }
     }
 
     public function getName()
diff --git a/I18n/backOffice/default/fr_FR.php b/I18n/backOffice/default/fr_FR.php
old mode 100644
new mode 100755
index 6e2ceac..eb73c66
--- a/I18n/backOffice/default/fr_FR.php
+++ b/I18n/backOffice/default/fr_FR.php
@@ -6,7 +6,9 @@
     'Email configuration' => 'Configuration des mails',
     'Install and activate \'Payzen One Off SEPA\' module to get configuration options.' => 'Installez et activez le module "Payzen prélèvement unique SEPA" pour accéder aux options de configuration',
     'Install and activate Payzen multiple times payment module to get configuration options.' => 'Installez et activez le module "Payzen en plusieurs fois" pour accéder aux options de configuration',
+    'Install and activate PayzenChoozeo module to get configuration options.' => 'Installez et activez le module "PayzenChoozeo" pour accéder aux options de configuration',
     'Multiple times payment' => 'Paiement en plusieurs fois',
+    'Choozeo multiple times payment' => 'Paiement en plusieurs fois Choozeo',
     'No configuration needed' => 'Aucune configuration nécessaire',
     'One off SEPA payment (SDD)' => 'Prélèvement unique SEPA (SDD)',
     'One time payment' => 'Paiement en une seule fois',
diff --git a/Payzen/PayzenApi.php b/Payzen/PayzenApi.php
old mode 100644
new mode 100755
index 2443b29..e011ae7
--- a/Payzen/PayzenApi.php
+++ b/Payzen/PayzenApi.php
@@ -34,6 +34,7 @@
 */
 use Payzen\Payzen;
 use Thelia\Core\Translation\Translator;
+use Payzen\Model\PayzenConfigQuery;
 
 /**
  * Class managing parameters checking, form and signature building, response analysis and more
@@ -1025,7 +1026,12 @@ function sign($parameters, $key, $hashed = true)
             }
         }
         $signContent .= $key;
-        $sign = $hashed ? sha1($signContent) : $signContent;
+
+        if(PayzenConfigQuery::read('signature_algorythm', 'HMAC') == 'HMAC') {
+            $sign = $hashed ? base64_encode(hash_hmac('sha256', $signContent, $key, true)) : $signContent;
+        } else {
+            $sign = $hashed ? sha1($signContent) : $signContent;
+        }
         return $sign;
     }
 
diff --git a/templates/backOffice/default/payzen/module-configuration.html b/templates/backOffice/default/payzen/module-configuration.html
old mode 100644
new mode 100755
index a66fe93..747ae98
--- a/templates/backOffice/default/payzen/module-configuration.html
+++ b/templates/backOffice/default/payzen/module-configuration.html
@@ -12,7 +12,7 @@
                 {form name="payzen.configuration.form"}
 
                 <form action="{url path="/admin/module/payzen/configure"}" method="post">
-                    {form_hidden_fields exclude="multi_minimum_amount,multi_maximum_amount,multi_first_payment,multi_number_of_payments"}
+                    {form_hidden_fields exclude="multi_minimum_amount,multi_maximum_amount,multi_first_payment,multi_number_of_payments,choozeo_minimum_amount,choozeo_maximum_amount"}
 
                     {include file = "includes/inner-form-toolbar.html"
                         hide_flags = true
@@ -36,6 +36,7 @@
                             {render_form_field field="test_certificate"}
                             {render_form_field field="production_certificate"}
                             {render_form_field field="platform_url"}
+                            {render_form_field field="signature_algorythm"}
                             {render_form_field field="mode"}
                             {render_form_field field="allowed_ip_list"}
 
@@ -60,21 +61,21 @@
                             {render_form_field field="allowed_cards"}
 
                             <p class="title title-without-tabs">{intl d='payzen.bo.default' l="One time payment"}</p>
-    
+
                             {custom_render_form_field field="minimum_amount"}
                                 <div class="input-group">
                                     <input type="number" {form_field_attributes field="minimum_amount"}>
                                     <span class="input-group-addon">{currency attr='symbol'}</span>
                                 </div>
                             {/custom_render_form_field}
-    
+
                             {custom_render_form_field field="maximum_amount"}
                                 <div class="input-group">
                                     <input type="number" {form_field_attributes field="maximum_amount"}>
                                     <span class="input-group-addon">{currency attr='symbol'}</span>
                                 </div>
                             {/custom_render_form_field}
-    
+
                             {custom_render_form_field field="three_ds_minimum_order_amount"}
                                 <div class="input-group">
                                     <input type="number" {form_field_attributes field="three_ds_minimum_order_amount"}>
@@ -92,37 +93,62 @@
                                         <span class="input-group-addon">{currency attr='symbol'}</span>
                                     </div>
                                 {/custom_render_form_field}
-    
+
                                 {custom_render_form_field field="multi_maximum_amount"}
                                     <div class="input-group">
                                         <input type="number" {form_field_attributes field="multi_maximum_amount"}>
                                         <span class="input-group-addon">{currency attr='symbol'}</span>
                                     </div>
                                 {/custom_render_form_field}
-    
+
                                 {custom_render_form_field field="multi_first_payment"}
                                     <div class="input-group">
                                         <input type="number" {form_field_attributes field="multi_first_payment"}>
                                         <span class="input-group-addon">%</span>
                                     </div>
                                 {/custom_render_form_field}
-                                
+
                                 {render_form_field field="multi_number_of_payments"}
                                 {render_form_field field="multi_payments_interval"}
                             {/loop}
-                            
+
                             {elseloop rel="multi-plugin-enabled"}
                                 <div class="alert alert-info">
                                     {intl l="Install and activate Payzen multiple times payment module to get configuration options." d='payzen.bo.default'}
                                 </div>
                             {/elseloop}
 
+                            <p class="title title-without-tabs">{intl d='payzen.bo.default' l="Choozeo multiple times payment"}</p>
+
+                            {loop name="choozeo-plugin-enabled" type="module" code="PayzenChoozeo" active="1"}
+                                {custom_render_form_field field="choozeo_minimum_amount"}
+                                    <div class="input-group">
+                                        <input type="number" {form_field_attributes field="choozeo_minimum_amount"}>
+                                        <span class="input-group-addon">{currency attr='symbol'}</span>
+                                    </div>
+                                {/custom_render_form_field}
+
+                                {custom_render_form_field field="choozeo_maximum_amount"}
+                                    <div class="input-group">
+                                        <input type="number" {form_field_attributes field="choozeo_maximum_amount"}>
+                                        <span class="input-group-addon">{currency attr='symbol'}</span>
+                                    </div>
+                                {/custom_render_form_field}
+
+                                {render_form_field field="choozeo_number_of_payments"}
+                            {/loop}
+
+                            {elseloop rel="choozeo-plugin-enabled"}
+                                <div class="alert alert-info">
+                                    {intl l="Install and activate PayzenChoozeo module to get configuration options." d='payzen.bo.default'}
+                                </div>
+                            {/elseloop}
                             <p class="title title-without-tabs">{intl d='payzen.bo.default' l="One off SEPA payment (SDD)"}</p>
 
                             {loop name="oneoffsepa-plugin-enabled" type="module" code="PayzenOneOffSEPA" active="1"}
                                 <p>{intl d="payzen.bo.default" l="No configuration needed"}.</p>
                             {/loop}
-                            
+
                             {elseloop rel="oneoffsepa-plugin-enabled"}
                             <div class="alert alert-info">
                                 {intl l="Install and activate 'Payzen One Off SEPA' module to get configuration options." d='payzen.bo.default'}
@@ -132,15 +158,15 @@
 
                         <div class="col-md-4">
                             <p class="title title-without-tabs">{intl d='payzen.bo.default' l="Email configuration"}</p>
-    
+
                             {render_form_field field="send_confirmation_message_only_if_paid"}
                             {render_form_field field="send_payment_confirmation_message"}
-    
+
                             <div class="well well-sm">
                                 <span class="glyphicon glyphicon-info-sign"></span>
                                 {intl d='payzen.bo.default' l='You can <a href="%url">edit the payment confirmation email</a> sent to the customer after a successful payment.' url={url path="/admin/configuration/messages"}}
                             </div>
-    
+
                             <p class="title title-without-tabs">{intl d='payzen.bo.default' l="Payment page"}</p>
 
                             {render_form_field field="default_language"}