Реестр Windows
[HKEY_CLASSES_ROOT * \ shell \ Encrypt My Files]
[HKEY_CLASSES_ROOT * \ shell \ Encrypt My Files \ command]
@ = "mytool.exe -enc% 1"
[HKEY_CLASSES_ROOT * \ shell \ Decrypt My Files]
[HKEY_CLASSES_ROOT * \ shell \ Decrypt My Files \ command]
@ = "mytool.exe -dec% 1"