Adding separate functionality for Persistent Operational keystore.

* Re-use the operational key-pair for multiple fabric.
* Tested commissioning working with Test Harness.

Author: ankk-css

examples/lock-app/infineon/psoc6/src/AppTask.cpp

@@ -47,6 +47,7 @@
 
 #if ENABLE_DEVICE_ATTESTATION
 #include <DeviceAttestationCredsExampleTrustM.h>
+#include <TrustMPersistentStorageOperationalKeystore.h>
 #endif
 
 /* OTA related includes */
@@ -155,6 +156,14 @@ static void InitServer(intptr_t context)
     // Init ZCL Data Model
     static chip::CommonCaseDeviceServerInitParams initParams;
     (void) initParams.InitializeStaticResourcesBeforeServerInit();
+
+#if ENABLE_DEVICE_ATTESTATION
+    static chip::TrustMPersistentStorageOperationalKeystore sTrustMPersistentStorageOpKeystore;
+    VerifyOrDie((sTrustMPersistentStorageOpKeystore.Init(initParams.persistentStorageDelegate)) == CHIP_NO_ERROR);
+    initParams.operationalKeystore = &sTrustMPersistentStorageOpKeystore;
+#endif
+
+
     chip::Server::GetInstance().Init(initParams);
 
     gExampleDeviceInfoProvider.SetStorageDelegate(&Server::GetInstance().GetPersistentStorage());

src/platform/Infineon/crypto/trustm/BUILD.gn

@@ -44,6 +44,7 @@ static_library("infineon_crypto_lib") {
     "CHIPCryptoPALHsm_utils_trustm.cpp",
     "CHIPCryptoPAL_HostFallBack.cpp",
     "DeviceAttestationCredsExampleTrustM.cpp",
+    "TrustMPersistentStorageOperationalKeystore.cpp",
   ]
 
   public_deps = [ ":public_headers" ]