-<pre><code> secret_token: <span class="userinput">yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy</span></code></pre>
-</notextile>
-
-h3(#blob_signing_key). blob_signing_key
-
-The @blob_signing_key@ is used to enforce access control to Keep blocks. This same key must be provided to the Keepstore daemons when "installing Keepstore servers.":install-keepstore.html IMPORTANT: This is a site secret. It should be at least 50 characters. Generate a random value and set it in @application.yml@:
-
-<notextile>
-<pre><code>~$ <span class="userinput">ruby -e 'puts rand(2**400).to_s(36)'</span>
-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
-</code></pre></notextile>
-
-Example @application.yml@:
-
-<notextile>
-<pre><code> blob_signing_key: <span class="userinput">xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx</span></code></pre>
-</notextile>
-
-h3(#omniauth). sso_app_secret, sso_app_id, sso_provider_url
-
-The following settings enable the API server to communicate with the "Single Sign On (SSO) server":install-sso.html to authenticate user log in.
-
-Set @sso_provider_url@ to the base URL where your SSO server is installed. This should be a URL consisting of the scheme and host (and optionally, port), without a trailing slash.
-
-Set @sso_app_secret@ and @sso_app_id@ to the corresponding values for @app_secret@ and @app_id@ used in the "Create arvados-server client for Single Sign On (SSO)":install-sso.html#client step.
-
-Example @application.yml@:
-
-<notextile>
-<pre><code> sso_app_id: <span class="userinput">arvados-server</span>
- sso_app_secret: <span class="userinput">wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww</span>
- sso_provider_url: <span class="userinput">https://sso.example.com</span>