diff --git a/keychain/README.rst b/keychain/README.rst
index b8d2ed6bc..a10fda327 100644
--- a/keychain/README.rst
+++ b/keychain/README.rst
@@ -209,7 +209,7 @@ help us smashing it by providing a detailed and welcomed feedback.
 Credits
 =======
 
-`Akretion <https://akretion.com>`_
+* `Akretion <https://akretion.com>`_
 
 
 Contributors
@@ -222,7 +222,7 @@ Funders
 
 The development of this module has been financially supported by:
 
-* `Akretion <https://akretion.com>`_
+* Akretion
 
 Maintainer
 ----------
diff --git a/keychain/models/__init__.py b/keychain/models/__init__.py
index b84bb9112..9f0d06e69 100644
--- a/keychain/models/__init__.py
+++ b/keychain/models/__init__.py
@@ -1 +1,2 @@
-from . import keychain
\ No newline at end of file
+from . import keychain
+from . import keychain_backend
diff --git a/keychain/models/keychain_backend.py b/keychain/models/keychain_backend.py
new file mode 100644
index 000000000..d4946930a
--- /dev/null
+++ b/keychain/models/keychain_backend.py
@@ -0,0 +1,85 @@
+# -*- coding: utf-8 -*-
+# © 2016 Akretion Sebastien Beau
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo import api, fields, models
+from odoo.tools.config import config
+
+
+class KeychainBackend(models.AbstractModel):
+    _name = 'keychain.backend'
+    _backend_name = None
+
+    name = fields.Char(required=True)
+    password = fields.Char(
+        compute="_compute_password",
+        inverse="_inverse_password",
+        required=True)
+    data = fields.Serialized(
+        compute="_compute_keychain",
+        inverse="_inverse_keychain",
+        help="Additionnal data as json")
+
+    @api.multi
+    def _get_technical_name(self):
+        self.ensure_one()
+        return '%s,%s' % (self._name, self.id)
+
+    @api.multi
+    def _get_existing_keychain(self):
+        self.ensure_one()
+        return self.env['keychain.account'].retrieve([
+            ('namespace', '=', self._backend_name),
+            ('technical_name', '=', self._get_technical_name())
+        ])
+
+    @api.multi
+    def _prepare_keychain(self):
+        self.ensure_one()
+        env = config.get('running_env')
+        return {
+            'name': "%s %s" % (self.name, env),
+            'technical_name': self._get_technical_name(),
+            'namespace': self._backend_name,
+            'environment': env,
+        }
+
+    @api.multi
+    def _get_keychain_account(self):
+        self.ensure_one()
+        account = self._get_existing_keychain()
+        if not account:
+            vals = self._prepare_keychain()
+            account = self.env['keychain.account'].create(vals)
+        return account
+
+    @api.multi
+    def _inverse_password(self):
+        for record in self:
+            account = self._get_keychain_account()
+            if record.password and record.password != '******':
+                account.clear_password = record.password
+
+    @api.multi
+    def _compute_password(self):
+        for record in self:
+            account = record._get_existing_keychain()
+            if account and account.password:
+                record.password = "******"
+            else:
+                record.password = ""
+
+    @api.multi
+    def _inverse_keychain(self):
+        for record in self:
+            account = record._get_keychain_account()
+            account.data = account._serialize_data(record.data)
+
+    @api.multi
+    def _compute_keychain(self):
+        for record in self:
+            account = record._get_existing_keychain()
+            if account:
+                record.data = account.get_data()
+            else:
+                record.data = {}
diff --git a/keychain/tests/__init__.py b/keychain/tests/__init__.py
index 779cc403e..45fd45d97 100644
--- a/keychain/tests/__init__.py
+++ b/keychain/tests/__init__.py
@@ -1 +1,2 @@
-from . import test_keychain
\ No newline at end of file
+from . import test_keychain
+from . import test_keychain_backend
diff --git a/keychain/tests/test_keychain.py b/keychain/tests/test_keychain.py
index 5028df60e..d5fd5222a 100644
--- a/keychain/tests/test_keychain.py
+++ b/keychain/tests/test_keychain.py
@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
+# © 2016 Akretion Raphaël REVERDY
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
 from odoo.tests.common import TransactionCase
 from odoo.tools.config import config
 from odoo.exceptions import ValidationError
diff --git a/keychain/tests/test_keychain_backend.py b/keychain/tests/test_keychain_backend.py
new file mode 100644
index 000000000..4b38b7108
--- /dev/null
+++ b/keychain/tests/test_keychain_backend.py
@@ -0,0 +1,81 @@
+# -*- coding: utf-8 -*-
+# © 2016 Akretion Mourad EL HADJ MIMOUNE
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from odoo.tests.common import TransactionCase
+from odoo.tools.config import config
+
+import logging
+
+_logger = logging.getLogger(__name__)
+
+try:
+    from cryptography.fernet import Fernet
+except ImportError as err:
+    _logger.debug(err)
+
+
+class TestKeychain(TransactionCase):
+
+    def setUp(self):
+        super(TestKeychain, self).setUp()
+
+        self.keychain = self.env['keychain.account']
+        self.keychain_backend = self.env['keychain.backend']
+
+        def _init_data(self):
+            return {
+                "c": True,
+                "a": "b",
+                "d": "",
+            }
+
+        def _validate_data(self, data):
+            return 'c' in data
+
+        keychain_clss = self.keychain.__class__
+        keychain_clss._test_backend_init_data = _init_data
+        keychain_clss._test_backend_validate_data = _validate_data
+
+        keychain_backend_clss = self.keychain_backend.__class__
+        keychain_backend_clss._backend_name = 'test_backend'
+
+        self.keychain._fields['namespace'].selection.append(
+            ('test_backend', 'test backend')
+        )
+
+    def test_keychain_bakend(self):
+        """It should work with valid data."""
+        config['keychain_key_dev'] = Fernet.generate_key()
+        config['running_env'] = 'dev'
+        vals = {
+            'name': 'backend_test',
+            'password': 'test',
+            'data': '{"a": "o", "c": "b"}'
+        }
+        # we use new because keychain.backend is an abstract model
+        backend = self.keychain_backend.new(vals)
+        backend._inverse_keychain()
+        account = backend._get_existing_keychain()
+        self.assertEqual(
+            account.data, '{"a": "o", "c": "b"}',
+            'Account data is not correct')
+        backend._inverse_password()
+        self.assertTrue(account, 'Account was not created')
+        self.assertEqual(
+            account.clear_password, u'test',
+            'Account clear password is not correct')
+        self.assertEqual(backend.password, u'test')
+        backend._compute_password()
+        self.assertEqual(
+            backend.password, u'******', 'Backend password was not computed')
+        self.assertEqual(
+            account.name, u'backend_test dev', 'Account name is not correct')
+        self.assertEqual(
+            account.namespace, u'test_backend',
+            'Account namespace is not correct')
+        self.assertEqual(
+            account.environment, u'dev', 'Account environment is not correct')
+        self.assertEqual(
+            account.technical_name, '%s,%s' % (backend._name, backend.id),
+            'Account technical_name is not correct')
diff --git a/keychain/views/keychain_view.xml b/keychain/views/keychain_view.xml
index 6dc746e2a..c5b8003e3 100644
--- a/keychain/views/keychain_view.xml
+++ b/keychain/views/keychain_view.xml
@@ -4,7 +4,7 @@
             <field name="model">keychain.account</field>
             <field name="arch" type="xml">
 
-                <tree string="Accounts">
+                <tree>
                     <field name="namespace"/>
                     <field name="name"/>
                     <field name="technical_name" />
@@ -18,7 +18,7 @@
         <record model="ir.ui.view" id="keychain_account_form">
             <field name="model">keychain.account</field>
             <field name="arch" type="xml">
-                <form string="Accounts form">
+                <form>
                     <group>
                         <field name="namespace"/>
                         <field name="name" />