Basic validation levels support

8 files changed, 594 insertions, 241 deletions

diff --git a/keymanager/src/leap/keymanager/__init__.py b/keymanager/src/leap/keymanager/__init__.py
index c3423d9..156aaf8 100644
--- a/keymanager/src/leap/keymanager/__init__.py
+++ b/keymanager/src/leap/keymanager/__init__.py
@@ -48,7 +48,12 @@ from leap.common.events import signal
 from leap.common.events import events_pb2 as proto
 from leap.common.decorators import memoized_method
 
-from leap.keymanager.errors import KeyNotFound, KeyAttributesDiffer
+from leap.keymanager.errors import (
+    KeyNotFound,
+    KeyAddressMismatch,
+    KeyNotValidUpgrade
+)
+from leap.keymanager.validation import ValidationLevel, can_upgrade
 
 from leap.keymanager.keys import (
     EncryptionKey,
@@ -208,8 +213,11 @@ class KeyManager(object):
             server_keys = res.json()
             # insert keys in local database
             if self.OPENPGP_KEY in server_keys:
-                self._wrapper_map[OpenPGPKey].put_ascii_key(
-                    server_keys['openpgp'])
+                self.put_raw_key(
+                    server_keys['openpgp'],
+                    OpenPGPKey,
+                    address=address,
+                    validation=ValidationLevel.Provider_Trust)
         except requests.exceptions.HTTPError as e:
             if e.response.status_code == 404:
                 raise KeyNotFound(address)
@@ -230,7 +238,7 @@ class KeyManager(object):
         replace any prior keys for the same address in its database.
 
         :param ktype: The type of the key.
-        :type ktype: KeyType
+        :type ktype: subclass of EncryptionKey
 
         :raise KeyNotFound: If the key was not found in local database.
         """
@@ -260,7 +268,7 @@ class KeyManager(object):
         :param address: The address bound to the key.
         :type address: str
         :param ktype: The type of the key.
-        :type ktype: KeyType
+        :type ktype: subclass of EncryptionKey
         :param private: Look for a private key instead of a public one?
         :type private: bool
         :param fetch_remote: If key not found in local storage try to fetch
@@ -323,7 +331,7 @@ class KeyManager(object):
         Generate a key of type C{ktype} bound to the user's address.
 
         :param ktype: The type of the key.
-        :type ktype: KeyType
+        :type ktype: subclass of EncryptionKey
 
         :return: The generated key.
         :rtype: EncryptionKey
@@ -515,32 +523,74 @@ class KeyManager(object):
         """
         Put C{key} in local storage.
 
-        :param key: The key to be stored. It can be ascii key or an OpenPGPKey
-        :type key: str or OpenPGPKey
+        :param key: The key to be stored
+        :type key: EncryptionKey
+        :raises KeyNotValidUpdate: if a key with the same uid exists and the
+                                   new one is not a valid update for it
         """
         try:
-            if isinstance(key, basestring):
-                self._wrapper_map[OpenPGPKey].put_ascii_key(key)
-            else:
+            old_key = self._wrapper_map[type(key)].get_key(key.address,
+                                                           private=key.private)
+        except KeyNotFound:
+            old_key = None
+
+        if key.private or can_upgrade(key, old_key):
+            try:
                 self._wrapper_map[type(key)].put_key(key)
-        except IndexError as e:
-            leap_assert(False, "Unsupported key type. Error {0!r}".format(e))
+            except IndexError as e:
+                leap_assert(
+                    False, "Unsupported key type. Error {0!r}".format(e))
+        else:
+            raise KeyNotValidUpgrade("Key %s can not be upgraded by new key %s"
+                                     % (old_key.key_id, key.key_id))
 
-    def fetch_key(self, address, uri, ktype):
+    def put_raw_key(self, key, ktype, address=None,
+                    validation=ValidationLevel.Weak_Chain):
+        """
+        Put C{key} in local storage.
+
+        :param key: The ascii key to be stored
+        :type key: str
+        :param ktype: the type of the key.
+        :type ktype: subclass of EncryptionKey
+        :param address: if set used to check that the key is for this address
+        :type address: str
+        :param validation: validation level for this key
+                           (default: 'Weak_Chain')
+        :type validation: ValidationLevel
+
+        :raises KeyAddressMismatch: if address doesn't match any uid on the key
+        :raises KeyNotValidUpdate: if a key with the same uid exists and the
+                                   new one is not a valid update for it
+        """
+        pubkey, _ = self._wrapper_map[ktype].parse_ascii_key(key)
+        if address is not None and address != pubkey.address:
+            raise KeyAddressMismatch("Key UID %s, but expected %s"
+                                     % (pubkey.address, address))
+
+        pubkey.validation = validation
+        self.put_key(pubkey)
+
+    def fetch_key(self, address, uri, ktype,
+                  validation=ValidationLevel.Weak_Chain):
         """
         Fetch a public key for C{address} from the network and put it in
         local storage.
 
-        Raises C{openpgp.errors.KeyNotFound} if not valid key on C{uri}.
-        Raises C{openpgp.errors.KeyAttributesDiffer} if address don't match
-        any uid on the key.
-
         :param address: The email address of the key.
         :type address: str
         :param uri: The URI of the key.
         :type uri: str
-        :param ktype: The type of the key.
-        :type ktype: KeyType
+        :param ktype: the type of the key.
+        :type ktype: subclass of EncryptionKey
+        :param validation: validation level for this key
+                           (default: 'Weak_Chain')
+        :type validation: ValidationLevel
+
+        :raises KeyNotFound: if not valid key on C{uri}
+        :raises KeyAddressMismatch: if address doesn't match any uid on the key
+        :raises KeyNotValidUpdate: if a key with the same uid exists and the
+                                   new one is not a valid update for it
         """
         res = self._get(uri)
         if not res.ok:
@@ -551,8 +601,10 @@ class KeyManager(object):
         if pubkey is None:
             raise KeyNotFound(uri)
         if pubkey.address != address:
-            raise KeyAttributesDiffer("UID %s found, but expected %s"
-                                      % (pubkey.address, address))
+            raise KeyAddressMismatch("UID %s found, but expected %s"
+                                     % (pubkey.address, address))
+
+        pubkey.validation = validation
         self.put_key(pubkey)
 
 from ._version import get_versions
diff --git a/keymanager/src/leap/keymanager/errors.py b/keymanager/src/leap/keymanager/errors.py
index ebe4fd5..f896582 100644
--- a/keymanager/src/leap/keymanager/errors.py
+++ b/keymanager/src/leap/keymanager/errors.py
@@ -96,3 +96,9 @@ class KeyFingerprintMismatch(Exception):
     """
     A mismatch between fingerprints.
     """
+
+
+class KeyNotValidUpgrade(Exception):
+    """
+    Already existing key can not be upgraded with the new key
+    """
diff --git a/keymanager/src/leap/keymanager/keys.py b/keymanager/src/leap/keymanager/keys.py
index ec1bfeb..ecb0a36 100644
--- a/keymanager/src/leap/keymanager/keys.py
+++ b/keymanager/src/leap/keymanager/keys.py
@@ -25,12 +25,17 @@ try:
     import simplejson as json
 except ImportError:
     import json  # noqa
+import logging
 import re
 
 
 from abc import ABCMeta, abstractmethod
 from leap.common.check import leap_assert
 
+from leap.keymanager.validation import ValidationLevel, toValidationLevel
+
+logger = logging.getLogger(__name__)
+
 
 #
 # Dictionary keys used for storing cryptographic keys.
@@ -106,6 +111,13 @@ def build_key_from_dict(kClass, address, kdict):
     leap_assert(
         address == kdict[KEY_ADDRESS_KEY],
         'Wrong address in key data.')
+    try:
+        validation = toValidationLevel(kdict[KEY_VALIDATION_KEY])
+    except ValueError:
+        logger.error("Not valid validation level (%s) for key %s",
+                     (kdict[KEY_VALIDATION_KEY], kdict[KEY_ID_KEY]))
+        validation = ValidationLevel.Weak_Chain
+
     return kClass(
         address,
         key_id=kdict[KEY_ID_KEY],
@@ -116,7 +128,7 @@ def build_key_from_dict(kClass, address, kdict):
         expiry_date=kdict[KEY_EXPIRY_DATE_KEY],
         first_seen_at=kdict[KEY_FIRST_SEEN_AT_KEY],
         last_audited_at=kdict[KEY_LAST_AUDITED_AT_KEY],
-        validation=kdict[KEY_VALIDATION_KEY],  # TODO: verify for validation.
+        validation=validation,
     )
 
 
@@ -173,7 +185,7 @@ class EncryptionKey(object):
             KEY_PRIVATE_KEY: self.private,
             KEY_LENGTH_KEY: self.length,
             KEY_EXPIRY_DATE_KEY: self.expiry_date,
-            KEY_VALIDATION_KEY: self.validation,
+            KEY_VALIDATION_KEY: str(self.validation),
             KEY_FIRST_SEEN_AT_KEY: self.first_seen_at,
             KEY_LAST_AUDITED_AT_KEY: self.last_audited_at,
             KEY_TAGS_KEY: [KEYMANAGER_KEY_TAG],
diff --git a/keymanager/src/leap/keymanager/openpgp.py b/keymanager/src/leap/keymanager/openpgp.py
index 6a825cd..57a7754 100644
--- a/keymanager/src/leap/keymanager/openpgp.py
+++ b/keymanager/src/leap/keymanager/openpgp.py
@@ -38,6 +38,7 @@ from leap.keymanager.keys import (
     KEYMANAGER_KEY_TAG,
     TAGS_ADDRESS_PRIVATE_INDEX,
 )
+from leap.keymanager.validation import ValidationLevel
 
 
 logger = logging.getLogger(__name__)
@@ -183,7 +184,7 @@ def _build_key_from_gpg(address, key, key_data):
         private=True if key['type'] == 'sec' else False,
         length=key['length'],
         expiry_date=key['expires'],
-        validation=None,  # TODO: verify for validation.
+        validation=ValidationLevel.Weak_Chain,
     )
 
 
diff --git a/keymanager/src/leap/keymanager/tests/__init__.py b/keymanager/src/leap/keymanager/tests/__init__.py
index e69de29..1ea33b5 100644
--- a/keymanager/src/leap/keymanager/tests/__init__.py
+++ b/keymanager/src/leap/keymanager/tests/__init__.py
@@ -0,0 +1,236 @@
+# -*- coding: utf-8 -*-
+# test_keymanager.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# 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/>.
+"""
+Base classes for the Key Manager tests.
+"""
+
+from mock import Mock
+
+from leap.common.testing.basetest import BaseLeapTest
+from leap.soledad.client import Soledad
+from leap.keymanager import KeyManager
+
+
+ADDRESS = 'leap@leap.se'
+# XXX discover the gpg binary path
+GPG_BINARY_PATH = '/usr/bin/gpg'
+
+
+class KeyManagerWithSoledadTestCase(BaseLeapTest):
+
+    def setUp(self):
+        # mock key fetching and storing so Soledad doesn't fail when trying to
+        # reach the server.
+        Soledad._get_secrets_from_shared_db = Mock(return_value=None)
+        Soledad._put_secrets_in_shared_db = Mock(return_value=None)
+
+        class MockSharedDB(object):
+
+            get_doc = Mock(return_value=None)
+            put_doc = Mock()
+            lock = Mock(return_value=('atoken', 300))
+            unlock = Mock(return_value=True)
+
+            def __call__(self):
+                return self
+
+        Soledad._shared_db = MockSharedDB()
+
+        self._soledad = Soledad(
+            u"leap@leap.se",
+            u"123456",
+            secrets_path=self.tempdir + "/secret.gpg",
+            local_db_path=self.tempdir + "/soledad.u1db",
+            server_url='',
+            cert_file=None,
+            auth_token=None,
+        )
+
+    def tearDown(self):
+        km = self._key_manager()
+        for key in km.get_all_keys():
+            km._wrapper_map[key.__class__].delete_key(key)
+        for key in km.get_all_keys(private=True):
+            km._wrapper_map[key.__class__].delete_key(key)
+
+    def _key_manager(self, user=ADDRESS, url='', token=None):
+        return KeyManager(user, url, self._soledad, token=token,
+                          gpgbinary=GPG_BINARY_PATH)
+
+
+# key 24D18DDF: public key "Leap Test Key <leap@leap.se>"
+KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
+PUBLIC_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+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+=MuOY
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+PRIVATE_KEY = """
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+Version: GnuPG v1.4.10 (GNU/Linux)
+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+=JTFu
+-----END PGP PRIVATE KEY BLOCK-----
+"""
diff --git a/keymanager/src/leap/keymanager/tests/test_keymanager.py b/keymanager/src/leap/keymanager/tests/test_keymanager.py
index 65f8f39..1bd6a2e 100644
--- a/keymanager/src/leap/keymanager/tests/test_keymanager.py
+++ b/keymanager/src/leap/keymanager/tests/test_keymanager.py
@@ -1,4 +1,4 @@
-## -*- coding: utf-8 -*-
+# -*- coding: utf-8 -*-
 # test_keymanager.py
 # Copyright (C) 2013 LEAP
 #
@@ -23,12 +23,10 @@ Tests for the Key Manager.
 
 from mock import Mock
 from leap.common.testing.basetest import BaseLeapTest
-from leap.soledad.client import Soledad
 from leap.keymanager import (
-    KeyManager,
     openpgp,
     KeyNotFound,
-    KeyAttributesDiffer,
+    KeyAddressMismatch,
     errors,
 )
 from leap.keymanager.openpgp import OpenPGPKey
@@ -36,11 +34,21 @@ from leap.keymanager.keys import (
     is_address,
     build_key_from_dict,
 )
+from leap.keymanager.validation import (
+    ValidationLevel,
+    toValidationLevel
+)
+from leap.keymanager.tests import (
+    KeyManagerWithSoledadTestCase,
+    ADDRESS,
+    KEY_FINGERPRINT,
+    PUBLIC_KEY,
+    PRIVATE_KEY,
+    GPG_BINARY_PATH
+)
 
 
-ADDRESS = 'leap@leap.se'
 ADDRESS_2 = 'anotheruser@leap.se'
-GPG_BINARY_PATH = '/usr/bin/gpg'
 
 
 class KeyManagerUtilTestCase(BaseLeapTest):
@@ -76,7 +84,7 @@ class KeyManagerUtilTestCase(BaseLeapTest):
             'expiry_date': 'expiry_date',
             'first_seen_at': 'first_seen_at',
             'last_audited_at': 'last_audited_at',
-            'validation': 'validation',
+            'validation': str(ValidationLevel.Weak_Chain),
         }
         key = build_key_from_dict(OpenPGPKey, ADDRESS, kdict)
         self.assertEqual(
@@ -107,52 +115,10 @@ class KeyManagerUtilTestCase(BaseLeapTest):
             kdict['last_audited_at'], key.last_audited_at,
             'Wrong data in key.')
         self.assertEqual(
-            kdict['validation'], key.validation,
+            toValidationLevel(kdict['validation']), key.validation,
             'Wrong data in key.')
 
 
-class KeyManagerWithSoledadTestCase(BaseLeapTest):
-
-    def setUp(self):
-        # mock key fetching and storing so Soledad doesn't fail when trying to
-        # reach the server.
-        Soledad._get_secrets_from_shared_db = Mock(return_value=None)
-        Soledad._put_secrets_in_shared_db = Mock(return_value=None)
-
-        class MockSharedDB(object):
-
-            get_doc = Mock(return_value=None)
-            put_doc = Mock()
-            lock = Mock(return_value=('atoken', 300))
-            unlock = Mock(return_value=True)
-
-            def __call__(self):
-                return self
-
-        Soledad._shared_db = MockSharedDB()
-
-        self._soledad = Soledad(
-            u"leap@leap.se",
-            u"123456",
-            secrets_path=self.tempdir + "/secret.gpg",
-            local_db_path=self.tempdir + "/soledad.u1db",
-            server_url='',
-            cert_file=None,
-            auth_token=None,
-        )
-
-    def tearDown(self):
-        km = self._key_manager()
-        for key in km.get_all_keys():
-            km._wrapper_map[key.__class__].delete_key(key)
-        for key in km.get_all_keys(private=True):
-            km._wrapper_map[key.__class__].delete_key(key)
-
-    def _key_manager(self, user=ADDRESS, url='', token=None):
-        return KeyManager(user, url, self._soledad, token=token,
-                          gpgbinary=GPG_BINARY_PATH)
-
-
 class OpenPGPCryptoTestCase(KeyManagerWithSoledadTestCase):
 
     def _test_openpgp_gen_key(self):
@@ -220,7 +186,6 @@ class OpenPGPCryptoTestCase(KeyManagerWithSoledadTestCase):
             KeyNotFound, pgp.get_key, ADDRESS, private=True)
         pgp.put_ascii_key(PRIVATE_KEY)
         privkey = pgp.get_key(ADDRESS, private=True)
-        plaintext = pgp.decrypt(cyphertext, privkey)
         pgp.delete_key(pubkey)
         pgp.delete_key(privkey)
         self.assertRaises(
@@ -473,7 +438,7 @@ class KeyManagerKeyManagementTestCase(KeyManagerWithSoledadTestCase):
         """
         km = self._key_manager(url='http://nickserver.domain')
 
-        km.put_key(PUBLIC_KEY)
+        km.put_raw_key(PUBLIC_KEY, OpenPGPKey)
         key = km.get_key(ADDRESS, OpenPGPKey)
         self.assertIsInstance(key, OpenPGPKey)
         self.assertEqual(ADDRESS, key.address)
@@ -524,7 +489,7 @@ class KeyManagerKeyManagementTestCase(KeyManagerWithSoledadTestCase):
 
         km._fetcher.get = Mock(return_value=Response())
         km.ca_cert_path = 'cacertpath'
-        self.assertRaises(KeyAttributesDiffer, km.fetch_key,
+        self.assertRaises(KeyAddressMismatch, km.fetch_key,
                           ADDRESS_2, "http://site.domain/key", OpenPGPKey)
 
 
@@ -568,169 +533,6 @@ class KeyManagerCryptoTestCase(KeyManagerWithSoledadTestCase):
 
 # Key material for testing
 
-# key 24D18DDF: public key "Leap Test Key <leap@leap.se>"
-KEY_FINGERPRINT = "E36E738D69173C13D709E44F2F455E2824D18DDF"
-PUBLIC_KEY = """
------BEGIN PGP PUBLIC KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
-mQINBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz
-iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO
-zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx
-irDmz/4DeDNqXliazGJKw7efqBdlwTHkl9Akw2gwy178pmsKwHHEMOBOFFvX61AT
-huKqHYmlCGSliwbrJppTG7jc1/ls3itrK+CWTg4txREkSpEVmfcASvw/ZqLbjgfs
-d/INMwXnR9U81O8+7LT6yw/ca4ppcFoJD7/XJbkRiML6+bJ4Dakiy6i727BzV17g
-wI1zqNvm5rAhtALKfACha6YO43aJzairO4II1wxVHvRDHZn2IuKDDephQ3Ii7/vb
-hUOf6XCSmchkAcpKXUOvbxm1yfB1LRa64mMc2RcZxf4mW7KQkulBsdV5QG2276lv
-U2UUy2IutXcGP5nXC+f6sJJGJeEToKJ57yiO/VWJFjKN8SvP+7AYsQSqINUuEf6H
-T5gCPCraGMkTUTPXrREvu7NOohU78q6zZNaL3GW8ai7eSeANSuQ8Vzffx7Wd8Y7i
-Pw9sYj0SMFs1UgjbuL6pO5ueHh+qyumbtAq2K0Bci0kqOcU4E9fNtdiovQARAQAB
-tBxMZWFwIFRlc3QgS2V5IDxsZWFwQGxlYXAuc2U+iQI3BBMBCAAhBQJQvfnZAhsD
-BQsJCAcDBRUKCQgLBRYCAwEAAh4BAheAAAoJEC9FXigk0Y3fT7EQAKH3IuRniOpb
-T/DDIgwwjz3oxB/W0DDMyPXowlhSOuM0rgGfntBpBb3boezEXwL86NPQxNGGruF5
-hkmecSiuPSvOmQlqlS95NGQp6hNG0YaKColh+Q5NTspFXCAkFch9oqUje0LdxfSP
-QfV9UpeEvGyPmk1I9EJV/YDmZ4+Djge1d7qhVZInz4Rx1NrSyF/Tc2EC0VpjQFsU
-Y9Kb2YBBR7ivG6DBc8ty0jJXi7B4WjkFcUEJviQpMF2dCLdonCehYs1PqsN1N7j+
-eFjQd+hqVMJgYuSGKjvuAEfClM6MQw7+FmFwMyLgK/Ew/DttHEDCri77SPSkOGSI
-txCzhTg6798f6mJr7WcXmHX1w1Vcib5FfZ8vTDFVhz/XgAgArdhPo9V6/1dgSSiB
-KPQ/spsco6u5imdOhckERE0lnAYvVT6KE81TKuhF/b23u7x+Wdew6kK0EQhYA7wy
-7LmlaNXc7rMBQJ9Z60CJ4JDtatBWZ0kNrt2VfdDHVdqBTOpl0CraNUjWE5YMDasr
-K2dF5IX8D3uuYtpZnxqg0KzyLg0tzL0tvOL1C2iudgZUISZNPKbS0z0v+afuAAnx
-2pTC3uezbh2Jt8SWTLhll4i0P4Ps5kZ6HQUO56O+/Z1cWovX+mQekYFmERySDR9n
-3k1uAwLilJmRmepGmvYbB8HloV8HqwgguQINBFC9+dkBEAC0I/xn1uborMgDvBtf
-H0sEhwnXBC849/32zic6udB6/3Efk9nzbSpL3FSOuXITZsZgCHPkKarnoQ2ztMcS
-sh1ke1C5gQGms75UVmM/nS+2YI4vY8OX/GC/on2vUyncqdH+bR6xH5hx4NbWpfTs
-iQHmz5C6zzS/kuabGdZyKRaZHt23WQ7JX/4zpjqbC99DjHcP9BSk7tJ8wI4bkMYD
-uFVQdT9O6HwyKGYwUU4sAQRAj7XCTGvVbT0dpgJwH4RmrEtJoHAx4Whg8mJ710E0
-GCmzf2jqkNuOw76ivgk27Kge+Hw00jmJjQhHY0yVbiaoJwcRrPKzaSjEVNgrpgP3
-lXPRGQArgESsIOTeVVHQ8fhK2YtTeCY9rIiO+L0OX2xo9HK7hfHZZWL6rqymXdyS
-fhzh/f6IPyHFWnvj7Brl7DR8heMikygcJqv+ed2yx7iLyCUJ10g12I48+aEj1aLe
-dP7lna32iY8/Z0SHQLNH6PXO9SlPcq2aFUgKqE75A/0FMk7CunzU1OWr2ZtTLNO1
-WT/13LfOhhuEq9jTyTosn0WxBjJKq18lnhzCXlaw6EAtbA7CUwsD3CTPR56aAXFK
-3I7KXOVAqggrvMe5Tpdg5drfYpI8hZovL5aAgb+7Y5ta10TcJdUhS5K3kFAWe/td
-U0cmWUMDP1UMSQ5Jg6JIQVWhSwARAQABiQIfBBgBCAAJBQJQvfnZAhsMAAoJEC9F
-Xigk0Y3fRwsP/i0ElYCyxeLpWJTwo1iCLkMKz2yX1lFVa9nT1BVTPOQwr/IAc5OX
-NdtbJ14fUsKL5pWgW8OmrXtwZm1y4euI1RPWWubG01ouzwnGzv26UcuHeqC5orZj
-cOnKtL40y8VGMm8LoicVkRJH8blPORCnaLjdOtmA3rx/v2EXrJpSa3AhOy0ZSRXk
-ZSrK68AVNwamHRoBSYyo0AtaXnkPX4+tmO8X8BPfj125IljubvwZPIW9VWR9UqCE
-VPfDR1XKegVb6VStIywF7kmrknM1C5qUY28rdZYWgKorw01hBGV4jTW0cqde3N51
-XT1jnIAa+NoXUM9uQoGYMiwrL7vNsLlyyiW5ayDyV92H/rIuiqhFgbJsHTlsm7I8
-oGheR784BagAA1NIKD1qEO9T6Kz9lzlDaeWS5AUKeXrb7ZJLI1TTCIZx5/DxjLqM
-Tt/RFBpVo9geZQrvLUqLAMwdaUvDXC2c6DaCPXTh65oCZj/hqzlJHH+RoTWWzKI+
-BjXxgUWF9EmZUBrg68DSmI+9wuDFsjZ51BcqvJwxyfxtTaWhdoYqH/UQS+D1FP3/
-diZHHlzwVwPICzM9ooNTgbrcDzyxRkIVqsVwBq7EtzcvgYUyX53yG25Giy6YQaQ2
-ZtQ/VymwFL3XdUWV6B/hU4PVAFvO3qlOtdJ6TpE+nEWgcWjCv5g7RjXX
-=MuOY
------END PGP PUBLIC KEY BLOCK-----
-"""
-PRIVATE_KEY = """
------BEGIN PGP PRIVATE KEY BLOCK-----
-Version: GnuPG v1.4.10 (GNU/Linux)
-
-lQcYBFC9+dkBEADNRfwV23TWEoGc/x0wWH1P7PlXt8MnC2Z1kKaKKmfnglVrpOiz
-iLWoiU58sfZ0L5vHkzXHXCBf6Eiy/EtUIvdiWAn+yASJ1mk5jZTBKO/WMAHD8wTO
-zpMsFmWyg3xc4DkmFa9KQ5EVU0o/nqPeyQxNMQN7px5pPwrJtJFmPxnxm+aDkPYx
-irDmz/4DeDNqXliazGJKw7efqBdlwTHkl9Akw2gwy178pmsKwHHEMOBOFFvX61AT
-huKqHYmlCGSliwbrJppTG7jc1/ls3itrK+CWTg4txREkSpEVmfcASvw/ZqLbjgfs
-d/INMwXnR9U81O8+7LT6yw/ca4ppcFoJD7/XJbkRiML6+bJ4Dakiy6i727BzV17g
-wI1zqNvm5rAhtALKfACha6YO43aJzairO4II1wxVHvRDHZn2IuKDDephQ3Ii7/vb
-hUOf6XCSmchkAcpKXUOvbxm1yfB1LRa64mMc2RcZxf4mW7KQkulBsdV5QG2276lv
-U2UUy2IutXcGP5nXC+f6sJJGJeEToKJ57yiO/VWJFjKN8SvP+7AYsQSqINUuEf6H
-T5gCPCraGMkTUTPXrREvu7NOohU78q6zZNaL3GW8ai7eSeANSuQ8Vzffx7Wd8Y7i
-Pw9sYj0SMFs1UgjbuL6pO5ueHh+qyumbtAq2K0Bci0kqOcU4E9fNtdiovQARAQAB
-AA/+JHtlL39G1wsH9R6UEfUQJGXR9MiIiwZoKcnRB2o8+DS+OLjg0JOh8XehtuCs
-E/8oGQKtQqa5bEIstX7IZoYmYFiUQi9LOzIblmp2vxOm+HKkxa4JszWci2/ZmC3t
-KtaA4adl9XVnshoQ7pijuCMUKB3naBEOAxd8s9d/JeReGIYkJErdrnVfNk5N71Ds
-FmH5Ll3XtEDvgBUQP3nkA6QFjpsaB94FHjL3gDwum/cxzj6pCglcvHOzEhfY0Ddb
-J967FozQTaf2JW3O+w3LOqtcKWpq87B7+O61tVidQPSSuzPjCtFF0D2LC9R/Hpky
-KTMQ6CaKja4MPhjwywd4QPcHGYSqjMpflvJqi+kYIt8psUK/YswWjnr3r4fbuqVY
-VhtiHvnBHQjz135lUqWvEz4hM3Xpnxydx7aRlv5NlevK8+YIO5oFbWbGNTWsPZI5
-jpoFBpSsnR1Q5tnvtNHauvoWV+XN2qAOBTG+/nEbDYH6Ak3aaE9jrpTdYh0CotYF
-q7csANsDy3JvkAzeU6WnYpsHHaAjqOGyiZGsLej1UcXPFMosE/aUo4WQhiS8Zx2c
-zOVKOi/X5vQ2GdNT9Qolz8AriwzsvFR+bxPzyd8V6ALwDsoXvwEYinYBKK8j0OPv
-OOihSR6HVsuP9NUZNU9ewiGzte/+/r6pNXHvR7wTQ8EWLcEIAN6Zyrb0bHZTIlxt
-VWur/Ht2mIZrBaO50qmM5RD3T5oXzWXi/pjLrIpBMfeZR9DWfwQwjYzwqi7pxtYx
-nJvbMuY505rfnMoYxb4J+cpRXV8MS7Dr1vjjLVUC9KiwSbM3gg6emfd2yuA93ihv
-Pe3mffzLIiQa4mRE3wtGcioC43nWuV2K2e1KjxeFg07JhrezA/1Cak505ab/tmvP
-4YmjR5c44+yL/YcQ3HdFgs4mV+nVbptRXvRcPpolJsgxPccGNdvHhsoR4gwXMS3F
-RRPD2z6x8xeN73Q4KH3bm01swQdwFBZbWVfmUGLxvN7leCdfs9+iFJyqHiCIB6Iv
-mQfp8F0IAOwSo8JhWN+V1dwML4EkIrM8wUb4yecNLkyR6TpPH/qXx4PxVMC+vy6x
-sCtjeHIwKE+9vqnlhd5zOYh7qYXEJtYwdeDDmDbL8oks1LFfd+FyAuZXY33DLwn0
-cRYsr2OEZmaajqUB3NVmj3H4uJBN9+paFHyFSXrH68K1Fk2o3n+RSf2EiX+eICwI
-L6rqoF5sSVUghBWdNegV7qfy4anwTQwrIMGjgU5S6PKW0Dr/3iO5z3qQpGPAj5OW
-ATqPWkDICLbObPxD5cJlyyNE2wCA9VVc6/1d6w4EVwSq9h3/WTpATEreXXxTGptd
-LNiTA1nmakBYNO2Iyo3djhaqBdWjk+EIAKtVEnJH9FAVwWOvaj1RoZMA5DnDMo7e
-SnhrCXl8AL7Z1WInEaybasTJXn1uQ8xY52Ua4b8cbuEKRKzw/70NesFRoMLYoHTO
-dyeszvhoDHberpGRTciVmpMu7Hyi33rM31K9epA4ib6QbbCHnxkWOZB+Bhgj1hJ8
-xb4RBYWiWpAYcg0+DAC3w9gfxQhtUlZPIbmbrBmrVkO2GVGUj8kH6k4UV6kUHEGY
-HQWQR0HcbKcXW81ZXCCD0l7ROuEWQtTe5Jw7dJ4/QFuqZnPutXVRNOZqpl6eRShw
-7X2/a29VXBpmHA95a88rSQsL+qm7Fb3prqRmuMCtrUZgFz7HLSTuUMR867QcTGVh
-cCBUZXN0IEtleSA8bGVhcEBsZWFwLnNlPokCNwQTAQgAIQUCUL352QIbAwULCQgH
-AwUVCgkICwUWAgMBAAIeAQIXgAAKCRAvRV4oJNGN30+xEACh9yLkZ4jqW0/wwyIM
-MI896MQf1tAwzMj16MJYUjrjNK4Bn57QaQW926HsxF8C/OjT0MTRhq7heYZJnnEo
-rj0rzpkJapUveTRkKeoTRtGGigqJYfkOTU7KRVwgJBXIfaKlI3tC3cX0j0H1fVKX
-hLxsj5pNSPRCVf2A5mePg44HtXe6oVWSJ8+EcdTa0shf03NhAtFaY0BbFGPSm9mA
-QUe4rxugwXPLctIyV4uweFo5BXFBCb4kKTBdnQi3aJwnoWLNT6rDdTe4/nhY0Hfo
-alTCYGLkhio77gBHwpTOjEMO/hZhcDMi4CvxMPw7bRxAwq4u+0j0pDhkiLcQs4U4
-Ou/fH+pia+1nF5h19cNVXIm+RX2fL0wxVYc/14AIAK3YT6PVev9XYEkogSj0P7Kb
-HKOruYpnToXJBERNJZwGL1U+ihPNUyroRf29t7u8flnXsOpCtBEIWAO8Muy5pWjV
-3O6zAUCfWetAieCQ7WrQVmdJDa7dlX3Qx1XagUzqZdAq2jVI1hOWDA2rKytnReSF
-/A97rmLaWZ8aoNCs8i4NLcy9Lbzi9QtornYGVCEmTTym0tM9L/mn7gAJ8dqUwt7n
-s24dibfElky4ZZeItD+D7OZGeh0FDuejvv2dXFqL1/pkHpGBZhEckg0fZ95NbgMC
-4pSZkZnqRpr2GwfB5aFfB6sIIJ0HGARQvfnZARAAtCP8Z9bm6KzIA7wbXx9LBIcJ
-1wQvOPf99s4nOrnQev9xH5PZ820qS9xUjrlyE2bGYAhz5Cmq56ENs7THErIdZHtQ
-uYEBprO+VFZjP50vtmCOL2PDl/xgv6J9r1Mp3KnR/m0esR+YceDW1qX07IkB5s+Q
-us80v5LmmxnWcikWmR7dt1kOyV/+M6Y6mwvfQ4x3D/QUpO7SfMCOG5DGA7hVUHU/
-Tuh8MihmMFFOLAEEQI+1wkxr1W09HaYCcB+EZqxLSaBwMeFoYPJie9dBNBgps39o
-6pDbjsO+or4JNuyoHvh8NNI5iY0IR2NMlW4mqCcHEazys2koxFTYK6YD95Vz0RkA
-K4BErCDk3lVR0PH4StmLU3gmPayIjvi9Dl9saPRyu4Xx2WVi+q6spl3ckn4c4f3+
-iD8hxVp74+wa5ew0fIXjIpMoHCar/nndsse4i8glCddINdiOPPmhI9Wi3nT+5Z2t
-9omPP2dEh0CzR+j1zvUpT3KtmhVICqhO+QP9BTJOwrp81NTlq9mbUyzTtVk/9dy3
-zoYbhKvY08k6LJ9FsQYySqtfJZ4cwl5WsOhALWwOwlMLA9wkz0eemgFxStyOylzl
-QKoIK7zHuU6XYOXa32KSPIWaLy+WgIG/u2ObWtdE3CXVIUuSt5BQFnv7XVNHJllD
-Az9VDEkOSYOiSEFVoUsAEQEAAQAP/1AagnZQZyzHDEgw4QELAspYHCWLXE5aZInX
-wTUJhK31IgIXNn9bJ0hFiSpQR2xeMs9oYtRuPOu0P8oOFMn4/z374fkjZy8QVY3e
-PlL+3EUeqYtkMwlGNmVw5a/NbNuNfm5Darb7pEfbYd1gPcni4MAYw7R2SG/57GbC
-9gucvspHIfOSfBNLBthDzmK8xEKe1yD2eimfc2T7IRYb6hmkYfeds5GsqvGI6mwI
-85h4uUHWRc5JOlhVM6yX8hSWx0L60Z3DZLChmc8maWnFXd7C8eQ6P1azJJbW71Ih
-7CoK0XW4LE82vlQurSRFgTwfl7wFYszW2bOzCuhHDDtYnwH86Nsu0DC78ZVRnvxn
-E8Ke/AJgrdhIOo4UAyR+aZD2+2mKd7/waOUTUrUtTzc7i8N3YXGi/EIaNReBXaq+
-ZNOp24BlFzRp+FCF/pptDW9HjPdiV09x0DgICmeZS4Gq/4vFFIahWctg52NGebT0
-Idxngjj+xDtLaZlLQoOz0n5ByjO/Wi0ANmMv1sMKCHhGvdaSws2/PbMR2r4caj8m
-KXpIgdinM/wUzHJ5pZyF2U/qejsRj8Kw8KH/tfX4JCLhiaP/mgeTuWGDHeZQERAT
-xPmRFHaLP9/ZhvGNh6okIYtrKjWTLGoXvKLHcrKNisBLSq+P2WeFrlme1vjvJMo/
-jPwLT5o9CADQmcbKZ+QQ1ZM9v99iDZol7SAMZX43JC019sx6GK0u6xouJBcLfeB4
-OXacTgmSYdTa9RM9fbfVpti01tJ84LV2SyL/VJq/enJF4XQPSynT/tFTn1PAor6o
-tEAAd8fjKdJ6LnD5wb92SPHfQfXqI84rFEO8rUNIE/1ErT6DYifDzVCbfD2KZdoF
-cOSp7TpD77sY1bs74ocBX5ejKtd+aH99D78bJSMM4pSDZsIEwnomkBHTziubPwJb
-OwnATy0LmSMAWOw5rKbsh5nfwCiUTM20xp0t5JeXd+wPVWbpWqI2EnkCEN+RJr9i
-7dp/ymDQ+Yt5wrsN3NwoyiexPOG91WQVCADdErHsnglVZZq9Z8Wx7KwecGCUurJ2
-H6lKudv5YOxPnAzqZS5HbpZd/nRTMZh2rdXCr5m2YOuewyYjvM757AkmUpM09zJX
-MQ1S67/UX2y8/74TcRF97Ncx9HeELs92innBRXoFitnNguvcO6Esx4BTe1OdU6qR
-ER3zAmVf22Le9ciXbu24DN4mleOH+OmBx7X2PqJSYW9GAMTsRB081R6EWKH7romQ
-waxFrZ4DJzZ9ltyosEJn5F32StyLrFxpcrdLUoEaclZCv2qka7sZvi0EvovDVEBU
-e10jOx9AOwf8Gj2ufhquQ6qgVYCzbP+YrodtkFrXRS3IsljIchj1M2ffB/0bfoUs
-rtER9pLvYzCjBPg8IfGLw0o754Qbhh/ReplCRTusP/fQMybvCvfxreS3oyEriu/G
-GufRomjewZ8EMHDIgUsLcYo2UHZsfF7tcazgxMGmMvazp4r8vpgrvW/8fIN/6Adu
-tF+WjWDTvJLFJCe6O+BFJOWrssNrrra1zGtLC1s8s+Wfpe+bGPL5zpHeebGTwH1U
-22eqgJArlEKxrfarz7W5+uHZJHSjF/K9ZvunLGD0n9GOPMpji3UO3zeM8IYoWn7E
-/EWK1XbjnssNemeeTZ+sDh+qrD7BOi+vCX1IyBxbfqnQfJZvmcPWpruy1UsO+aIC
-0GY8Jr3OL69dDQ21jueJAh8EGAEIAAkFAlC9+dkCGwwACgkQL0VeKCTRjd9HCw/+
-LQSVgLLF4ulYlPCjWIIuQwrPbJfWUVVr2dPUFVM85DCv8gBzk5c121snXh9Swovm
-laBbw6ate3BmbXLh64jVE9Za5sbTWi7PCcbO/bpRy4d6oLmitmNw6cq0vjTLxUYy
-bwuiJxWREkfxuU85EKdouN062YDevH+/YResmlJrcCE7LRlJFeRlKsrrwBU3BqYd
-GgFJjKjQC1peeQ9fj62Y7xfwE9+PXbkiWO5u/Bk8hb1VZH1SoIRU98NHVcp6BVvp
-VK0jLAXuSauSczULmpRjbyt1lhaAqivDTWEEZXiNNbRyp17c3nVdPWOcgBr42hdQ
-z25CgZgyLCsvu82wuXLKJblrIPJX3Yf+si6KqEWBsmwdOWybsjygaF5HvzgFqAAD
-U0goPWoQ71PorP2XOUNp5ZLkBQp5etvtkksjVNMIhnHn8PGMuoxO39EUGlWj2B5l
-Cu8tSosAzB1pS8NcLZzoNoI9dOHrmgJmP+GrOUkcf5GhNZbMoj4GNfGBRYX0SZlQ
-GuDrwNKYj73C4MWyNnnUFyq8nDHJ/G1NpaF2hiof9RBL4PUU/f92JkceXPBXA8gL
-Mz2ig1OButwPPLFGQhWqxXAGrsS3Ny+BhTJfnfIbbkaLLphBpDZm1D9XKbAUvdd1
-RZXoH+FTg9UAW87eqU610npOkT6cRaBxaMK/mDtGNdc=
-=JTFu
------END PGP PRIVATE KEY BLOCK-----
-"""
-
 # key 7FEE575A: public key "anotheruser <anotheruser@leap.se>"
 PUBLIC_KEY_2 = """
 -----BEGIN PGP PUBLIC KEY BLOCK-----
diff --git a/keymanager/src/leap/keymanager/tests/test_validation.py b/keymanager/src/leap/keymanager/tests/test_validation.py
new file mode 100644
index 0000000..c7170ab
--- /dev/null
+++ b/keymanager/src/leap/keymanager/tests/test_validation.py
@@ -0,0 +1,150 @@
+# -*- coding: utf-8 -*-
+# __init__.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# 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/>.
+"""
+Tests for the Validation Levels
+"""
+
+from leap.keymanager.openpgp import OpenPGPKey
+from leap.keymanager.errors import (
+    KeyNotValidUpgrade
+)
+from leap.keymanager.tests import (
+    KeyManagerWithSoledadTestCase,
+    ADDRESS,
+    PUBLIC_KEY,
+    KEY_FINGERPRINT
+)
+from leap.keymanager.validation import ValidationLevel
+
+
+class ValidationLevelTestCase(KeyManagerWithSoledadTestCase):
+
+    def test_none_old_key(self):
+        km = self._key_manager()
+        km.put_raw_key(PUBLIC_KEY, OpenPGPKey)
+        key = km.get_key(ADDRESS, OpenPGPKey, fetch_remote=False)
+        self.assertEqual(key.fingerprint, KEY_FINGERPRINT)
+
+    def test_cant_upgrade(self):
+        km = self._key_manager()
+        km.put_raw_key(PUBLIC_KEY, OpenPGPKey,
+                       validation=ValidationLevel.Provider_Trust)
+        self.assertRaises(KeyNotValidUpgrade, km.put_raw_key, UNRELATED_KEY,
+                          OpenPGPKey)
+
+    def test_fingerprint_level(self):
+        km = self._key_manager()
+        km.put_raw_key(PUBLIC_KEY, OpenPGPKey)
+        km.put_raw_key(UNRELATED_KEY, OpenPGPKey,
+                       validation=ValidationLevel.Fingerprint)
+        key = km.get_key(ADDRESS, OpenPGPKey, fetch_remote=False)
+        self.assertEqual(key.fingerprint, UNRELATED_FINGERPRINT)
+
+    def test_expired_key(self):
+        km = self._key_manager()
+        km.put_raw_key(EXPIRED_KEY, OpenPGPKey)
+        km.put_raw_key(UNRELATED_KEY, OpenPGPKey)
+        key = km.get_key(ADDRESS, OpenPGPKey, fetch_remote=False)
+        self.assertEqual(key.fingerprint, UNRELATED_FINGERPRINT)
+
+    def test_expired_fail_lower_level(self):
+        km = self._key_manager()
+        km.put_raw_key(EXPIRED_KEY, OpenPGPKey,
+                       validation=ValidationLevel.Third_Party_Endorsement)
+        self.assertRaises(
+            KeyNotValidUpgrade,
+            km.put_raw_key,
+            UNRELATED_KEY,
+            OpenPGPKey,
+            validation=ValidationLevel.Provider_Trust)
+
+
+# Key material for testing
+
+# key 901FBCA5: public key "Leap Test Key <leap@leap.se>"
+UNRELATED_FINGERPRINT = "ABCCD9C8270B6A8D5633FAC9D04DB2E4901FBCA5"
+UNRELATED_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1
+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+=FO7G
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+
+# key A1885A7C: public key "Leap Test Key <leap@leap.se>"
+EXPIRED_FINGERPRINT = "7C1F68B0E14157B09B5F4ADE6F15F004A1885A7C"
+EXPIRED_KEY = """
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1.4.12 (GNU/Linux)
+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+=WhX+
+-----END PGP PUBLIC KEY BLOCK-----
+"""
+
+import unittest
+if __name__ == "__main__":
+    unittest.main()
diff --git a/keymanager/src/leap/keymanager/validation.py b/keymanager/src/leap/keymanager/validation.py
new file mode 100644
index 0000000..6dceb78
--- /dev/null
+++ b/keymanager/src/leap/keymanager/validation.py
@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+# __init__.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# 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/>.
+
+"""
+Validation levels implementation for key managment.
+
+See:
+    https://lists.riseup.net/www/arc/leap-discuss/2014-09/msg00000.html
+"""
+
+
+from datetime import datetime
+from enum import Enum
+
+
+ValidationLevel = Enum(
+    "Weak_Chain",
+    "Provider_Trust",
+    "Provider_Endorsement",
+    "Third_Party_Endorsement",
+    "Third_Party_Consensus",
+    "Historically_Auditing",
+    "Known_Key",
+    "Fingerprint")
+
+
+def toValidationLevel(value):
+    """
+    Convert a string representation of a validation level into
+    C{ValidationLevel}
+
+    :param value: validation level
+    :type value: str
+    :rtype: ValidationLevel
+    :raises ValueError: if C{value} is not a validation level
+    """
+    for level in ValidationLevel:
+        if value == str(level):
+            return level
+    raise ValueError("Not valid validation level: %s" % (value,))
+
+
+def can_upgrade(new_key, old_key):
+    """
+    :type new_key: EncryptionKey
+    :type old_key: EncryptionKey
+    :rtype: bool
+    """
+    # XXX not succesfully used and strict high validation level (#6211)
+    # XXX implement key signature checking (#6120)
+
+    # First contact
+    if old_key is None:
+        return True
+
+    if new_key.address != old_key.address:
+        # XXX how do we map multiple IDs? (#6212)
+        return False
+
+    # An update of the same key
+    if new_key.fingerprint == old_key.fingerprint:
+        # XXX wich one is newer? is that a downgrade attack? (#6210)
+        return True
+
+    # Manually verified fingerprint
+    if new_key.validation == ValidationLevel.Fingerprint:
+        return True
+
+    # Expired key and higher validation level
+    if old_key.expiry_date:
+        old_expiry_date = datetime.fromtimestamp(int(old_key.expiry_date))
+        if (old_expiry_date < datetime.now() and
+                new_key.validation >= old_key.validation):
+            return True
+
+    # No expiration date and higher validation level
+    elif new_key.validation >= old_key.validation:
+        return True
+
+    return False