--- loncom/lonnet/perl/lonnet.pm	2022/02/16 00:06:12	1.1482
+++ loncom/lonnet/perl/lonnet.pm	2022/02/17 22:35:52	1.1483
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1482 2022/02/16 00:06:12 raeburn Exp $
+# $Id: lonnet.pm,v 1.1483 2022/02/17 22:35:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -12281,15 +12281,24 @@ sub resdata {
 
 sub get_domain_lti {
     my ($cdom,$context) = @_;
-    my ($name,%lti);
+    my ($name,$cachename,%lti);
     if ($context eq 'consumer') {
         $name = 'ltitools';
     } elsif ($context eq 'provider') {
         $name = 'lti';
+    } elsif ($context eq 'linkprot') {
+        $name = 'ltisec';
     } else {
         return %lti;
     }
-    my ($result,$cached)=&is_cached_new($name,$cdom);
+
+    if ($context eq 'linkprot') {
+        $cachename = $context;
+    } else {
+        $cachename = $name;
+    }
+    
+    my ($result,$cached)=&is_cached_new($cachename,$cdom);
     if (defined($cached)) {
         if (ref($result) eq 'HASH') {
             %lti = %{$result};
@@ -12297,20 +12306,28 @@ sub get_domain_lti {
     } else {
         my %domconfig = &get_dom('configuration',[$name],$cdom);
         if (ref($domconfig{$name}) eq 'HASH') {
-            %lti = %{$domconfig{$name}};
-            my %encdomconfig = &get_dom('encconfig',[$name],$cdom,undef,1);
-            if (ref($encdomconfig{$name}) eq 'HASH') {
-                foreach my $id (keys(%lti)) {
-                    if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
-                        foreach my $item ('key','secret') {
-                            $lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
+            if ($context eq 'linkprot') {
+                if (ref($domconfig{$name}{'linkprot'}) eq 'HASH') {
+                    %lti = %{$domconfig{$name}{'linkprot'}};
+                }
+            } else {
+                %lti = %{$domconfig{$name}};
+            }
+            if (($context eq 'consumer') && (keys(%lti))) {
+                my %encdomconfig = &get_dom('encconfig',[$name],$cdom,undef,1);
+                if (ref($encdomconfig{$name}) eq 'HASH') {
+                    foreach my $id (keys(%lti)) {
+                        if (ref($encdomconfig{$name}{$id}) eq 'HASH') {
+                            foreach my $item ('key','secret') {
+                                $lti{$id}{$item} = $encdomconfig{$name}{$id}{$item};
+                            }
                         }
                     }
                 }
             }
         }
         my $cachetime = 24*60*60;
-        &do_cache_new($name,$cdom,\%lti,$cachetime);
+        &do_cache_new($cachename,$cdom,\%lti,$cachetime);
     }
     return %lti;
 }