Windows: Enhance performance by implementing the possibility to choose the correct hash algorithm of volumes during various operations (mount, change password...). In case of system encryption, slightly speedup Windows startup time by making the driver pickup the correct hash algorithm used for the encryption.

src/Common/Apidrvr.h

@@ -100,6 +100,8 @@ typedef struct
 	Password ProtectedHidVolPassword;	/* Password to the hidden volume to be protected against overwriting */
 	BOOL UseBackupHeader;
 	BOOL RecoveryMode;
+	int pkcs5_prf;
+	int ProtectedHidVolPkcs5Prf;
 } MOUNT_STRUCT;
 
 typedef struct
@@ -235,6 +237,7 @@ typedef struct
 typedef struct
 {
 	Password VolumePassword;
+	int pkcs5_prf;
 } ReopenBootVolumeHeaderRequest;