Undocumented functions of NTDLL

2OO7, 22 April



NtCompressKey
NtCompressKey

NTSYSAPI 
NTSTATUS
NTAPI

NtCompressKey(

IN HANDLE Key );




This function compress data associated with specified Key and all his sub-keys. Compressed key require smaller space in registry file, but whole functionality used with compressed key works slower.
  • Key
  •     HANDLE of previously opened key object (with write access).


    Supported on system versions:
    Win 2000,Win XP/2003



    Documented by:
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    NtCompactKeys
    NtCreateKey
    NtOpenKey