diff --git a/EExDllMain.h b/EExDllMain.h
index 39ebfc1..fb77344 100644
--- a/EExDllMain.h
+++ b/EExDllMain.h
@@ -34,6 +34,8 @@ extern "C" {
    EEX_EXPORT void SetEExLogger( ILogger* pLogger) ;
    // imposta la chiave di protezione
    EEX_EXPORT void SetEExKey( const std::string& sKey) ;
+   // imposta se chiave hardware di rete
+   EEX_EXPORT void SetEExNetHwKey( bool bNetHwKey) ;
 }
 
 
diff --git a/EGkDllMain.h b/EGkDllMain.h
index 37466e5..75d321a 100644
--- a/EGkDllMain.h
+++ b/EGkDllMain.h
@@ -38,6 +38,8 @@ EGK_EXPORT void SetEGkLogger( ILogger* pLogger) ;
 EGK_EXPORT void SetEGkKey( const std::string& sKey) ;
 // imposta il tipo di chiave di protezione
 EGK_EXPORT void SetEGkKeyType( int nType) ;
+// imposta se chiave hardware di rete
+EGK_EXPORT void SetEGkNetHwKey( bool bNetHwKey) ;
 // permette di inizializzare il font manager
 EGK_EXPORT void InitFontManager( const std::string& sNfeFontDir, const std::string& sDefaultFont) ;
 // restituisce il direttorio dei font proprietari (Nfe)
diff --git a/EGrDllMain.h b/EGrDllMain.h
index 4b2ddf4..940873a 100644
--- a/EGrDllMain.h
+++ b/EGrDllMain.h
@@ -32,6 +32,8 @@ extern "C" {
    EGR_EXPORT void SetEGrLogger( ILogger* pLogger) ;
    // imposta la chiave di protezione
    EGR_EXPORT void SetEGrKey( const std::string& sKey) ;
+   // imposta se chiave hardware di rete
+   EGR_EXPORT void SetEGrNetHwKey( bool bNetHwKey) ;
 }
 
 
diff --git a/EInAPI.h b/EInAPI.h
index cf46222..cbd36f7 100644
--- a/EInAPI.h
+++ b/EInAPI.h
@@ -50,6 +50,7 @@ EIN_EXPORT void __stdcall EgtDisableCommandLogger( void) ;
 EIN_EXPORT BOOL __stdcall EgtGetVersionInfo( wchar_t*& wsVer) ;
 EIN_EXPORT BOOL __stdcall EgtGetKeyInfo( wchar_t*& wsKey) ;
 EIN_EXPORT BOOL __stdcall EgtSetLockType( int nType) ;
+EIN_EXPORT BOOL __stdcall EgtSetNetHwKey( BOOL bNetHwKey) ;
 EIN_EXPORT BOOL __stdcall EgtGetKeyLevel( int nProd, int nVer, int nLev, int* pnKLev) ;
 EIN_EXPORT BOOL __stdcall EgtGetKeyOptions( int nProd, int nVer, int nLev, unsigned int* pnOpt2) ;
 EIN_EXPORT BOOL __stdcall EgtGetKeyLeftDays( int* pnLeftDays) ;
diff --git a/EMkDllMain.h b/EMkDllMain.h
index eea5212..b845df3 100644
--- a/EMkDllMain.h
+++ b/EMkDllMain.h
@@ -34,6 +34,8 @@ extern "C" {
    EMK_EXPORT void SetEMkLogger( ILogger* pLogger) ;
    // imposta la chiave di protezione
    EMK_EXPORT void SetEMkKey( const std::string& sKey) ;
+   // imposta se chiave hardware di rete
+   EMK_EXPORT void SetEMkNetHwKey( bool bNetHwKey) ;
 }
 
 
diff --git a/EXeExecutor.h b/EXeExecutor.h
index da45afd..f5f933b 100644
--- a/EXeExecutor.h
+++ b/EXeExecutor.h
@@ -55,6 +55,7 @@ EXE_EXPORT bool ExeGetExecutableVersion( std::string& sVer) ;
 EXE_EXPORT bool ExeGetVersionInfo( std::string& sVer, const char* szNewLine) ;
 EXE_EXPORT bool ExeGetKeyInfo( std::string& sKey) ;
 EXE_EXPORT bool ExeSetLockType( int nType) ;
+EXE_EXPORT bool ExeSetNetHwKey( bool bNetHwKey) ;
 EXE_EXPORT bool ExeGetKeyLevel( int nProd, int nVer, int nLev, int& nKLev) ;
 EXE_EXPORT bool ExeGetKeyOptions( int nProd, int nVer, int nLev, unsigned int& nOpt2) ;
 EXE_EXPORT bool ExeGetKeyLeftDays( int& nLeftDays) ;
diff --git a/SELkLockId.h b/SELkLockId.h
index 50c6c49..d0111c4 100644
--- a/SELkLockId.h
+++ b/SELkLockId.h
@@ -1,13 +1,13 @@
 //----------------------------------------------------------------------------
-//  EgalTech 2014-2015
+//  EgalTech 2014-2022
 //----------------------------------------------------------------------------
-// File : SELkLockId.cpp       Data : 27.07.15          Versione : 1.6g8
+// File : SELkLockId.cpp       Data : 16.05.22          Versione : 2.4e3
 // Contenuto : Dichiarazione funzioni per gestione/calcolo Id protezione,
 //             da macchina o da chiave hardware.
 //
 //
 // Modifiche : 10.09.14 DS Creazione modulo.
-//
+//             16.05.22 DS Aggiunta gestione chiave di rete.
 //
 //----------------------------------------------------------------------------
 
@@ -18,6 +18,8 @@
 //-------------------------------------------------------------------------------
 // Imposto il tipo di protezione
 bool SetLockType( int nType) ;
+// Forzo chiave di rete (se prevista protezione hardware)
+bool SetNetHwKey( bool bNetHwKey) ;
 // Recupero l'identificativo in chiaro della protezione
 bool GetLockId( std::string& sLockId) ;
 // Recupero l'identificativo cifrato della protezione
@@ -27,7 +29,7 @@ bool ConvertLockIdToLockId2( const std::string& sLockId, std::string& sLockId2)
 bool ConvertLockId2ToLockId( const std::string& sLockId2, std::string& sLockId) ;
 bool ConvertLockIdToScramKey( const std::string& sLockId, std::string& sScramKey) ;
 bool ConvertLockId2ToScramKey( const std::string& sLockId2, std::string& sScramKey) ;
-// Serial Number della chiave hw
+// Serial Number della chiave hw (non di rete)
 bool GetLockSN( int& nLockSN) ;
 
 //-------------------------- Constants ----------------------------------------