1 files changed, 27 insertions, 0 deletions
diff --git a/keystone-moon/keystone/token/utils.py b/keystone-moon/keystone/token/utils.py
new file mode 100644
index 00000000..96a09246
--- /dev/null
+++ b/keystone-moon/keystone/token/utils.py
@@ -0,0 +1,27 @@
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+from keystoneclient.common import cms
+from oslo_config import cfg
+
+
+def generate_unique_id(token_id):
+    """Return a unique ID for a token.
+
+    The returned value is useful as the primary key of a database table,
+    memcache store, or other lookup table.
+
+    :returns: Given a PKI token, returns it's hashed value. Otherwise,
+              returns the passed-in value (such as a UUID token ID or an
+              existing hash).
+    """
+    return cms.cms_hash_token(token_id, mode=cfg.CONF.token.hash_algorithm)