diff --git a/certidude/api/__init__.py b/certidude/api/__init__.py
index 923ca65..52a5f71 100644
--- a/certidude/api/__init__.py
+++ b/certidude/api/__init__.py
@@ -67,6 +67,10 @@ class SessionResource(object):
                 autosign_subnets = config.AUTOSIGN_SUBNETS,
                 request_subnets = config.REQUEST_SUBNETS,
                 admin_subnets=config.ADMIN_SUBNETS,
+                signature = dict(
+                    certificate_lifetime=config.CERTIFICATE_LIFETIME,
+                    revocation_list_lifetime=config.REVOCATION_LIST_LIFETIME
+                )
             ) if req.context.get("user").is_admin() else None,
             features=dict(
                 tagging=config.TAGGING_BACKEND,
diff --git a/certidude/static/js/templates.js b/certidude/static/js/templates.js
index 918cdfe..b92d034 100644
--- a/certidude/static/js/templates.js
+++ b/certidude/static/js/templates.js
@@ -484,7 +484,11 @@ else {
 output += "\n    E-mail disabled\n";
 ;
 }
-output += "</p>\n\n<p>Authenticated users allowed from:\n\n";
+output += "</p>\n\n<p>Web signed certificate attributes:</p>\n\n<ul>\n    <li>Certificate lifetime: ";
+output += runtime.suppressValue(runtime.memberLookup((runtime.memberLookup((runtime.memberLookup((runtime.contextOrFrameLookup(context, frame, "session")),"authority")),"signature")),"certificate_lifetime"), env.opts.autoescape);
+output += " days</li>\n    <li>Revocation list lifetime: ";
+output += runtime.suppressValue(runtime.memberLookup((runtime.memberLookup((runtime.memberLookup((runtime.contextOrFrameLookup(context, frame, "session")),"authority")),"signature")),"revocation_list_lifetime"), env.opts.autoescape);
+output += " seconds</li>\n</ul>\n\n<p>Authenticated users allowed from:\n\n";
 if(runtime.inOperator("0.0.0.0/0",runtime.memberLookup((runtime.memberLookup((runtime.contextOrFrameLookup(context, frame, "session")),"authority")),"user_subnets"))) {
 output += "\n    anywhere\n    </p>\n";
 ;
diff --git a/certidude/static/views/authority.html b/certidude/static/views/authority.html
index 05bb553..28a30bd 100644
--- a/certidude/static/views/authority.html
+++ b/certidude/static/views/authority.html
@@ -29,6 +29,13 @@ as such require complete reset of X509 infrastructure if some of them needs to b
     E-mail disabled
 {% endif %}</p>
 
+<p>Web signed certificate attributes:</p>
+
+<ul>
+    <li>Certificate lifetime: {{ session.authority.signature.certificate_lifetime }} days</li>
+    <li>Revocation list lifetime: {{ session.authority.signature.revocation_list_lifetime }} seconds</li>
+</ul>
+
 <p>Authenticated users allowed from:
 
 {% if "0.0.0.0/0" in session.authority.user_subnets %}