From f9782fb3f6393b967d2997feff85d59c01a7db80 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Tue, 21 Jul 2020 10:59:44 +0200
Subject: Windows: Implement detection of Hibernate and Fast Startup and
 disable them if RAM encryption is activated.

---
 src/Mount/Mount.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'src/Mount')

diff --git a/src/Mount/Mount.c b/src/Mount/Mount.c
index 7d4fa81b..ff66fab5 100644
--- a/src/Mount/Mount.c
+++ b/src/Mount/Mount.c
@@ -11462,7 +11462,26 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
 					{
 						BOOL originalRamEncryptionEnabled = (driverConfig & VC_DRIVER_CONFIG_ENABLE_RAM_ENCRYPTION)? TRUE : FALSE;
 						if (originalRamEncryptionEnabled != enableRamEncryption)
+						{
+							if (enableRamEncryption)
+							{
+								// Disable Hibernate and Fast Startup if they are enabled
+								BOOL bHibernateEnabled, bHiberbootEnabled;
+								if (GetHibernateStatus (bHibernateEnabled, bHiberbootEnabled))
+								{
+									if (bHibernateEnabled)
+									{										
+										BootEncObj->WriteLocalMachineRegistryDwordValue (L"SYSTEM\\CurrentControlSet\\Control\\Power", L"HibernateEnabled", 0);
+									}
+
+									if (bHiberbootEnabled)
+									{										
+										BootEncObj->WriteLocalMachineRegistryDwordValue (L"SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Power", L"HiberbootEnabled", 0);
+									}
+								}
+							}
 							rebootRequired = true;
+						}
 						SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ENABLE_RAM_ENCRYPTION, enableRamEncryption);
 					}
 
@@ -11538,7 +11557,25 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
 				BOOL enableRamEncryption = IsDlgButtonChecked (hwndDlg, IDC_ENABLE_RAM_ENCRYPTION);
 
 				if (originalRamEncryptionEnabled != enableRamEncryption)
+				{
+					if (enableRamEncryption)
+					{
+						// check if Hibernate or Fast Startup are enabled
+						BOOL bHibernateEnabled, bHiberbootEnabled;
+						if (GetHibernateStatus (bHibernateEnabled, bHiberbootEnabled))
+						{
+							if (bHibernateEnabled || bHiberbootEnabled)
+							{
+								if (AskWarnYesNo ("RAM_ENCRYPTION_DISABLE_HIBERNATE", hwndDlg) == IDNO)
+								{
+									CheckDlgButton (hwndDlg, IDC_ENABLE_RAM_ENCRYPTION, BST_UNCHECKED);
+									return 1;
+								}
+							}
+						}
+					}
 					Warning ("SETTING_REQUIRES_REBOOT", hwndDlg);
+				}
 			}
 			return 1;
 
-- 
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