diff --git a/ttcn/AtsCAM/ItsCam_TpFunctions.ttcn b/ttcn/AtsCAM/ItsCam_TpFunctions.ttcn
index 11acb7f89fe1e2d41e984a7d52a764d69a10a8de..2b31e6b790714492ac4cc2bfd478c53c8a58e9c9 100644
--- a/ttcn/AtsCAM/ItsCam_TpFunctions.ttcn
+++ b/ttcn/AtsCAM/ItsCam_TpFunctions.ttcn
@@ -34,7 +34,8 @@ module ItsCam_TpFunctions {
     import from LibItsCam_TypesAndValues all;
     import from LibItsCam_Pics all;
     import from LibItsCam_Pixits all;
-
+    
+    import from LibItsSecurity_Functions all;
 
     // 5.2.1
     group camMessageDissemination { 
@@ -2997,13 +2998,14 @@ module ItsCam_TpFunctions {
 
         group camGenerationSSP{
             function f_CAM_MSD_SSP_BO_XX(
-                            in Oct8 p_certHashedId8,
+                            in charstring p_certName,
                             in template(value)   UtCamTrigger p_utEvent,
                             in template(present) CAM pmw_CamMsg,
             				in template(present) Bit256 pmw_ssp := ?  
             ) runs on ItsCam {
                 
                 // Local variables
+                var Oct8 v_certHashedId8;
                 
                 // Test control
                 if (not PICS_CAM_GENERATION) {
@@ -3025,10 +3027,19 @@ module ItsCam_TpFunctions {
                 
                 // Preamble
                 // initialize IUT with given certificate
+                fx_readCertificateDigest(p_certName, v_certHashedId8);
+                if( '0000000000000000'O ==  v_certHashedId8) {
+                    // Certificate not found
+                    log("*** " & testcasename() & ": Required IUT certificate is not found on the test system ***");
+                    setverdict(inconc);
+                    stop;
+                }
+
+                
                 f_prInitialState(
                     e_staticPosition, 
                     true, 
-                    { hashedId8 := p_certHashedId8 }
+                    { hashedId8 := v_certHashedId8 }
                 );
                     
                 f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);
@@ -3075,7 +3086,7 @@ module ItsCam_TpFunctions {
                     testcase.stop(testcasename() 
                         & ": PICS_SPECIALVEHICLECONTAINER and PICS_PUBLICTRANS need to be set to true");
                 }
-
+                
                 f_CAM_MSD_SSP_BO_XX(PX_CERT_IUT_CAM_02,
                                     m_setVehicleRole(c_vehicleRole_publicTransport),
                                     mw_camMsg_SVC ( mw_publicTransport_any )
diff --git a/ttcn/AtsDENM/ItsDenm_TpFunctions.ttcn b/ttcn/AtsDENM/ItsDenm_TpFunctions.ttcn
index ad129387895d07200bdb1390cee3426520ef85c1..0a39aa0eb939d35465680f72540329a9642030ab 100644
--- a/ttcn/AtsDENM/ItsDenm_TpFunctions.ttcn
+++ b/ttcn/AtsDENM/ItsDenm_TpFunctions.ttcn
@@ -30,6 +30,8 @@ module ItsDenm_TpFunctions {
     import from LibItsDenm_TypesAndValues all;
     import from LibItsDenm_Pics all;
     import from LibItsDenm_Pixits all;
+
+    import from LibItsSecurity_Functions all;
     
     // 5.2.1
     group denMessageTransmission {
@@ -2303,13 +2305,14 @@ module ItsDenm_TpFunctions {
       
       group denMessageSSP {
           
-          function f_DEN_SSP_BV_XX( in Oct8 p_certHashedId8,
+          function f_DEN_SSP_BV_XX( in charstring p_certName,
                                   in template (value) SituationContainer p_situation,
                                   in template (present) Bit256 pmw_ssp)
           runs on ItsDenm {
               
             var ActionID v_actionId;
             var DenmInd v_denmInd;
+            var Oct8 v_certHashedId8;
               
             // Test control
             if (not PICS_IS_IUT_SECURED) {
@@ -2330,9 +2333,17 @@ module ItsDenm_TpFunctions {
             // Test adapter configuration
             
             // Preamble
+            fx_readCertificateDigest( p_certName, v_certHashedId8);
+            if( '0000000000000000'O ==  v_certHashedId8) {
+                // Certificate not found
+                log("*** " & testcasename() & ": Required IUT certificate is not found on the test system ***");
+                setverdict(inconc);
+                stop;
+            }
+              
             f_prInitialState(
                 e_staticPosition, 
-                { hashedId8 := p_certHashedId8 }
+                { hashedId8 := v_certHashedId8 }
             );
             
             f_selfOrClientSyncAndVerdictPreamble(c_prDone, e_success);