diff --git a/examples/chip-tool/commands/clusters/ModelCommand.cpp b/examples/chip-tool/commands/clusters/ModelCommand.cpp
index efe866b451800e..58e6a3b7c9f0ec 100644
--- a/examples/chip-tool/commands/clusters/ModelCommand.cpp
+++ b/examples/chip-tool/commands/clusters/ModelCommand.cpp
@@ -18,6 +18,7 @@
 
 #include "ModelCommand.h"
 
+#include <app/InteractionModelEngine.h>
 #include <inttypes.h>
 
 using namespace ::chip;
@@ -29,9 +30,12 @@ constexpr uint16_t kWaitDurationInSeconds = 10;
 CHIP_ERROR ModelCommand::Run(PersistentStorage & storage, NodeId localId, NodeId remoteId)
 {
     CHIP_ERROR err = CHIP_NO_ERROR;
-    chip::Controller::CommissionerInitParams initParams;
 
-    initParams.storageDelegate = &storage;
+    mOpCredsIssuer.Initialize();
+
+    chip::Controller::CommissionerInitParams initParams;
+    initParams.storageDelegate                = &storage;
+    initParams.operationalCredentialsDelegate = &mOpCredsIssuer;
 
     err = mCommissioner.SetUdpListenPort(storage.GetListenPort());
     VerifyOrExit(err == CHIP_NO_ERROR, ChipLogError(Controller, "Init failure! Commissioner: %s", ErrorStr(err)));
diff --git a/examples/chip-tool/commands/clusters/ModelCommand.h b/examples/chip-tool/commands/clusters/ModelCommand.h
index cf13212965d07b..fbcfb8502479f9 100644
--- a/examples/chip-tool/commands/clusters/ModelCommand.h
+++ b/examples/chip-tool/commands/clusters/ModelCommand.h
@@ -21,6 +21,7 @@
 #include "../../config/PersistentStorage.h"
 #include "../common/Command.h"
 #include <app/chip-zcl-zpro-codec.h>
+#include <controller/ExampleOperationalCredentialsIssuer.h>
 #include <core/CHIPEncoding.h>
 
 // Limits on endpoint values.
@@ -42,5 +43,6 @@ class ModelCommand : public Command
 private:
     ChipDeviceCommissioner mCommissioner;
     ChipDevice * mDevice;
+    chip::Controller::ExampleOperationalCredentialsIssuer mOpCredsIssuer;
     uint8_t mEndPointId;
 };
diff --git a/examples/chip-tool/commands/discover/DiscoverCommand.cpp b/examples/chip-tool/commands/discover/DiscoverCommand.cpp
index ad8ffb1805ddb7..e7db1bdd00c3da 100644
--- a/examples/chip-tool/commands/discover/DiscoverCommand.cpp
+++ b/examples/chip-tool/commands/discover/DiscoverCommand.cpp
@@ -24,8 +24,9 @@ CHIP_ERROR DiscoverCommand::Run(PersistentStorage & storage, NodeId localId, Nod
 {
     chip::Controller::CommissionerInitParams params;
 
-    params.storageDelegate              = &storage;
-    params.mDeviceAddressUpdateDelegate = this;
+    params.storageDelegate                = &storage;
+    params.mDeviceAddressUpdateDelegate   = this;
+    params.operationalCredentialsDelegate = &mOpCredsIssuer;
 
     ReturnErrorOnFailure(mCommissioner.SetUdpListenPort(storage.GetListenPort()));
     ReturnErrorOnFailure(mCommissioner.Init(localId, params));
diff --git a/examples/chip-tool/commands/discover/DiscoverCommand.h b/examples/chip-tool/commands/discover/DiscoverCommand.h
index 724fc55b311e12..6743fab8f93cdc 100644
--- a/examples/chip-tool/commands/discover/DiscoverCommand.h
+++ b/examples/chip-tool/commands/discover/DiscoverCommand.h
@@ -20,6 +20,7 @@
 
 #include "../../config/PersistentStorage.h"
 #include "../common/Command.h"
+#include <controller/ExampleOperationalCredentialsIssuer.h>
 
 class DiscoverCommand : public Command, public chip::Controller::DeviceAddressUpdateDelegate
 {
@@ -44,4 +45,5 @@ class DiscoverCommand : public Command, public chip::Controller::DeviceAddressUp
 private:
     chip::NodeId mNodeId;
     uint64_t mFabricId;
+    chip::Controller::ExampleOperationalCredentialsIssuer mOpCredsIssuer;
 };
diff --git a/examples/chip-tool/commands/pairing/PairingCommand.cpp b/examples/chip-tool/commands/pairing/PairingCommand.cpp
index fdb2fc17e01af1..7521c39418934f 100644
--- a/examples/chip-tool/commands/pairing/PairingCommand.cpp
+++ b/examples/chip-tool/commands/pairing/PairingCommand.cpp
@@ -31,8 +31,9 @@ CHIP_ERROR PairingCommand::Run(PersistentStorage & storage, NodeId localId, Node
 {
     CHIP_ERROR err = CHIP_NO_ERROR;
 
-    chip::Controller::CommissionerInitParams params;
+    mOpCredsIssuer.Initialize();
 
+    chip::Controller::CommissionerInitParams params;
     params.storageDelegate                = &storage;
     params.mDeviceAddressUpdateDelegate   = this;
     params.pairingDelegate                = this;
diff --git a/examples/chip-tool/commands/reporting/ReportingCommand.cpp b/examples/chip-tool/commands/reporting/ReportingCommand.cpp
index b19d99cec1dc38..29d43c77dd3f4d 100644
--- a/examples/chip-tool/commands/reporting/ReportingCommand.cpp
+++ b/examples/chip-tool/commands/reporting/ReportingCommand.cpp
@@ -31,10 +31,14 @@ constexpr uint16_t kWaitDurationInSeconds = UINT16_MAX;
 CHIP_ERROR ReportingCommand::Run(PersistentStorage & storage, NodeId localId, NodeId remoteId)
 {
     CHIP_ERROR err = CHIP_NO_ERROR;
+
+    mOpCredsIssuer.Initialize();
+
     chip::Controller::BasicCluster cluster;
     chip::Controller::CommissionerInitParams initParams;
 
-    initParams.storageDelegate = &storage;
+    initParams.storageDelegate                = &storage;
+    initParams.operationalCredentialsDelegate = &mOpCredsIssuer;
 
     err = mCommissioner.SetUdpListenPort(storage.GetListenPort());
     VerifyOrExit(err == CHIP_NO_ERROR, ChipLogError(Controller, "Init failure! Commissioner: %s", ErrorStr(err)));
diff --git a/examples/chip-tool/commands/reporting/ReportingCommand.h b/examples/chip-tool/commands/reporting/ReportingCommand.h
index bb86cbc466c4a9..ff29239916a97f 100644
--- a/examples/chip-tool/commands/reporting/ReportingCommand.h
+++ b/examples/chip-tool/commands/reporting/ReportingCommand.h
@@ -21,6 +21,8 @@
 #include "../../config/PersistentStorage.h"
 #include "../common/Command.h"
 
+#include <controller/ExampleOperationalCredentialsIssuer.h>
+
 // Limits on endpoint values.
 #define CHIP_ZCL_ENDPOINT_MIN 0x00
 #define CHIP_ZCL_ENDPOINT_MAX 0xF0
@@ -43,4 +45,5 @@ class ReportingCommand : public Command
 
     ChipDeviceCommissioner mCommissioner;
     ChipDevice * mDevice;
+    chip::Controller::ExampleOperationalCredentialsIssuer mOpCredsIssuer;
 };
diff --git a/src/darwin/Framework/CHIP/BUILD.gn b/src/darwin/Framework/CHIP/BUILD.gn
index 039dea3169f488..62e4598defe6e7 100644
--- a/src/darwin/Framework/CHIP/BUILD.gn
+++ b/src/darwin/Framework/CHIP/BUILD.gn
@@ -45,6 +45,7 @@ static_library("framework") {
     "CHIPManualSetupPayloadParser.h",
     "CHIPManualSetupPayloadParser.mm",
     "CHIPOnboardingPayloadParser.m",
+    "CHIPOperationalCredentialsDelegate.mm",
     "CHIPPersistentStorageDelegate.h",
     "CHIPPersistentStorageDelegateBridge.h",
     "CHIPPersistentStorageDelegateBridge.mm",
@@ -64,6 +65,8 @@ static_library("framework") {
     "${chip_root}/src/lib/support",
   ]
 
+  frameworks = [ "Security.framework" ]
+
   public_configs = [ ":darwin_config" ]
 }
 
diff --git a/src/darwin/Framework/CHIP/CHIPOperationalCredentialsDelegate.mm b/src/darwin/Framework/CHIP/CHIPOperationalCredentialsDelegate.mm
index 3edff95b191334..492d8b23e8cea6 100644
--- a/src/darwin/Framework/CHIP/CHIPOperationalCredentialsDelegate.mm
+++ b/src/darwin/Framework/CHIP/CHIPOperationalCredentialsDelegate.mm
@@ -237,6 +237,11 @@ static BOOL isRunningTests(void)
     NSCalendar * calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
     NSDateComponents * components = [calendar components:units fromDate:date];
 
-    return chip::CalendarToChipEpochTime([components year], [components month], [components day], [components hour],
-        [components minute], [components second], epoch);
+    uint16_t year = static_cast<uint16_t>([components year]);
+    uint8_t month = static_cast<uint8_t>([components month]);
+    uint8_t day = static_cast<uint8_t>([components day]);
+    uint8_t hour = static_cast<uint8_t>([components hour]);
+    uint8_t minute = static_cast<uint8_t>([components minute]);
+    uint8_t second = static_cast<uint8_t>([components second]);
+    return chip::CalendarToChipEpochTime(year, month, day, hour, minute, second, epoch);
 }