ホーム › Storage.FileSystem › SetEncryptedFileMetadata

SetEncryptedFileMetadata

関数

暗号化ファイルのEFSメタデータを設定する。

DLLADVAPI32.dll呼出規約winapi

シグネチャ

// ADVAPI32.dll
#include <windows.h>

DWORD SetEncryptedFileMetadata(
    LPCWSTR lpFileName,
    BYTE* pbOldMetadata,   // optional
    BYTE* pbNewMetadata,
    ENCRYPTION_CERTIFICATE_HASH* pOwnerHash,
    DWORD dwOperation,
    ENCRYPTION_CERTIFICATE_HASH_LIST* pCertificatesAdded   // optional
);

パラメーター

名前	型	方向
lpFileName	LPCWSTR	in
pbOldMetadata	BYTE*	inoptional
pbNewMetadata	BYTE*	in
pOwnerHash	ENCRYPTION_CERTIFICATE_HASH*	in
dwOperation	DWORD	in
pCertificatesAdded	ENCRYPTION_CERTIFICATE_HASH_LIST*	inoptional

戻り値の型: DWORD

各言語での呼び出し定義

// ADVAPI32.dll
#include <windows.h>

DWORD SetEncryptedFileMetadata(
    LPCWSTR lpFileName,
    BYTE* pbOldMetadata,   // optional
    BYTE* pbNewMetadata,
    ENCRYPTION_CERTIFICATE_HASH* pOwnerHash,
    DWORD dwOperation,
    ENCRYPTION_CERTIFICATE_HASH_LIST* pCertificatesAdded   // optional
);

[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint SetEncryptedFileMetadata(
    [MarshalAs(UnmanagedType.LPWStr)] string lpFileName,   // LPCWSTR
    IntPtr pbOldMetadata,   // BYTE* optional
    IntPtr pbNewMetadata,   // BYTE*
    IntPtr pOwnerHash,   // ENCRYPTION_CERTIFICATE_HASH*
    uint dwOperation,   // DWORD
    IntPtr pCertificatesAdded   // ENCRYPTION_CERTIFICATE_HASH_LIST* optional
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function SetEncryptedFileMetadata(
    <MarshalAs(UnmanagedType.LPWStr)> lpFileName As String,   ' LPCWSTR
    pbOldMetadata As IntPtr,   ' BYTE* optional
    pbNewMetadata As IntPtr,   ' BYTE*
    pOwnerHash As IntPtr,   ' ENCRYPTION_CERTIFICATE_HASH*
    dwOperation As UInteger,   ' DWORD
    pCertificatesAdded As IntPtr   ' ENCRYPTION_CERTIFICATE_HASH_LIST* optional
) As UInteger
End Function

' lpFileName : LPCWSTR
' pbOldMetadata : BYTE* optional
' pbNewMetadata : BYTE*
' pOwnerHash : ENCRYPTION_CERTIFICATE_HASH*
' dwOperation : DWORD
' pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional
Declare PtrSafe Function SetEncryptedFileMetadata Lib "advapi32" ( _
    ByVal lpFileName As LongPtr, _
    ByVal pbOldMetadata As LongPtr, _
    ByVal pbNewMetadata As LongPtr, _
    ByVal pOwnerHash As LongPtr, _
    ByVal dwOperation As Long, _
    ByVal pCertificatesAdded As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetEncryptedFileMetadata = ctypes.windll.advapi32.SetEncryptedFileMetadata
SetEncryptedFileMetadata.restype = wintypes.DWORD
SetEncryptedFileMetadata.argtypes = [
    wintypes.LPCWSTR,  # lpFileName : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pbOldMetadata : BYTE* optional
    ctypes.POINTER(ctypes.c_ubyte),  # pbNewMetadata : BYTE*
    ctypes.c_void_p,  # pOwnerHash : ENCRYPTION_CERTIFICATE_HASH*
    wintypes.DWORD,  # dwOperation : DWORD
    ctypes.c_void_p,  # pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
SetEncryptedFileMetadata = Fiddle::Function.new(
  lib['SetEncryptedFileMetadata'],
  [
    Fiddle::TYPE_VOIDP,  # lpFileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pbOldMetadata : BYTE* optional
    Fiddle::TYPE_VOIDP,  # pbNewMetadata : BYTE*
    Fiddle::TYPE_VOIDP,  # pOwnerHash : ENCRYPTION_CERTIFICATE_HASH*
    -Fiddle::TYPE_INT,  # dwOperation : DWORD
    Fiddle::TYPE_VOIDP,  # pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn SetEncryptedFileMetadata(
        lpFileName: *const u16,  // LPCWSTR
        pbOldMetadata: *mut u8,  // BYTE* optional
        pbNewMetadata: *mut u8,  // BYTE*
        pOwnerHash: *mut ENCRYPTION_CERTIFICATE_HASH,  // ENCRYPTION_CERTIFICATE_HASH*
        dwOperation: u32,  // DWORD
        pCertificatesAdded: *mut ENCRYPTION_CERTIFICATE_HASH_LIST  // ENCRYPTION_CERTIFICATE_HASH_LIST* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint SetEncryptedFileMetadata([MarshalAs(UnmanagedType.LPWStr)] string lpFileName, IntPtr pbOldMetadata, IntPtr pbNewMetadata, IntPtr pOwnerHash, uint dwOperation, IntPtr pCertificatesAdded);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_SetEncryptedFileMetadata' -Namespace Win32 -PassThru
# $api::SetEncryptedFileMetadata(lpFileName, pbOldMetadata, pbNewMetadata, pOwnerHash, dwOperation, pCertificatesAdded)

#uselib "ADVAPI32.dll"
#func global SetEncryptedFileMetadata "SetEncryptedFileMetadata" sptr, sptr, sptr, sptr, sptr, sptr
; SetEncryptedFileMetadata lpFileName, varptr(pbOldMetadata), varptr(pbNewMetadata), varptr(pOwnerHash), dwOperation, varptr(pCertificatesAdded)   ; 戻り値は stat
; lpFileName : LPCWSTR -> "sptr"
; pbOldMetadata : BYTE* optional -> "sptr"
; pbNewMetadata : BYTE* -> "sptr"
; pOwnerHash : ENCRYPTION_CERTIFICATE_HASH* -> "sptr"
; dwOperation : DWORD -> "sptr"
; pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "ADVAPI32.dll"
#cfunc global SetEncryptedFileMetadata "SetEncryptedFileMetadata" wstr, var, var, var, int, var
; res = SetEncryptedFileMetadata(lpFileName, pbOldMetadata, pbNewMetadata, pOwnerHash, dwOperation, pCertificatesAdded)
; lpFileName : LPCWSTR -> "wstr"
; pbOldMetadata : BYTE* optional -> "var"
; pbNewMetadata : BYTE* -> "var"
; pOwnerHash : ENCRYPTION_CERTIFICATE_HASH* -> "var"
; dwOperation : DWORD -> "int"
; pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "ADVAPI32.dll"
#cfunc global SetEncryptedFileMetadata "SetEncryptedFileMetadata" wstr, sptr, sptr, sptr, int, sptr
; res = SetEncryptedFileMetadata(lpFileName, varptr(pbOldMetadata), varptr(pbNewMetadata), varptr(pOwnerHash), dwOperation, varptr(pCertificatesAdded))
; lpFileName : LPCWSTR -> "wstr"
; pbOldMetadata : BYTE* optional -> "sptr"
; pbNewMetadata : BYTE* -> "sptr"
; pOwnerHash : ENCRYPTION_CERTIFICATE_HASH* -> "sptr"
; dwOperation : DWORD -> "int"
; pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD SetEncryptedFileMetadata(LPCWSTR lpFileName, BYTE* pbOldMetadata, BYTE* pbNewMetadata, ENCRYPTION_CERTIFICATE_HASH* pOwnerHash, DWORD dwOperation, ENCRYPTION_CERTIFICATE_HASH_LIST* pCertificatesAdded)
#uselib "ADVAPI32.dll"
#cfunc global SetEncryptedFileMetadata "SetEncryptedFileMetadata" wstr, var, var, var, int, var
; res = SetEncryptedFileMetadata(lpFileName, pbOldMetadata, pbNewMetadata, pOwnerHash, dwOperation, pCertificatesAdded)
; lpFileName : LPCWSTR -> "wstr"
; pbOldMetadata : BYTE* optional -> "var"
; pbNewMetadata : BYTE* -> "var"
; pOwnerHash : ENCRYPTION_CERTIFICATE_HASH* -> "var"
; dwOperation : DWORD -> "int"
; pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD SetEncryptedFileMetadata(LPCWSTR lpFileName, BYTE* pbOldMetadata, BYTE* pbNewMetadata, ENCRYPTION_CERTIFICATE_HASH* pOwnerHash, DWORD dwOperation, ENCRYPTION_CERTIFICATE_HASH_LIST* pCertificatesAdded)
#uselib "ADVAPI32.dll"
#cfunc global SetEncryptedFileMetadata "SetEncryptedFileMetadata" wstr, intptr, intptr, intptr, int, intptr
; res = SetEncryptedFileMetadata(lpFileName, varptr(pbOldMetadata), varptr(pbNewMetadata), varptr(pOwnerHash), dwOperation, varptr(pCertificatesAdded))
; lpFileName : LPCWSTR -> "wstr"
; pbOldMetadata : BYTE* optional -> "intptr"
; pbNewMetadata : BYTE* -> "intptr"
; pOwnerHash : ENCRYPTION_CERTIFICATE_HASH* -> "intptr"
; dwOperation : DWORD -> "int"
; pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procSetEncryptedFileMetadata = advapi32.NewProc("SetEncryptedFileMetadata")
)

// lpFileName (LPCWSTR), pbOldMetadata (BYTE* optional), pbNewMetadata (BYTE*), pOwnerHash (ENCRYPTION_CERTIFICATE_HASH*), dwOperation (DWORD), pCertificatesAdded (ENCRYPTION_CERTIFICATE_HASH_LIST* optional)
r1, _, err := procSetEncryptedFileMetadata.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpFileName))),
	uintptr(pbOldMetadata),
	uintptr(pbNewMetadata),
	uintptr(pOwnerHash),
	uintptr(dwOperation),
	uintptr(pCertificatesAdded),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SetEncryptedFileMetadata(
  lpFileName: PWideChar;   // LPCWSTR
  pbOldMetadata: Pointer;   // BYTE* optional
  pbNewMetadata: Pointer;   // BYTE*
  pOwnerHash: Pointer;   // ENCRYPTION_CERTIFICATE_HASH*
  dwOperation: DWORD;   // DWORD
  pCertificatesAdded: Pointer   // ENCRYPTION_CERTIFICATE_HASH_LIST* optional
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'SetEncryptedFileMetadata';

result := DllCall("ADVAPI32\SetEncryptedFileMetadata"
    , "WStr", lpFileName   ; LPCWSTR
    , "Ptr", pbOldMetadata   ; BYTE* optional
    , "Ptr", pbNewMetadata   ; BYTE*
    , "Ptr", pOwnerHash   ; ENCRYPTION_CERTIFICATE_HASH*
    , "UInt", dwOperation   ; DWORD
    , "Ptr", pCertificatesAdded   ; ENCRYPTION_CERTIFICATE_HASH_LIST* optional
    , "UInt")   ; return: DWORD

●SetEncryptedFileMetadata(lpFileName, pbOldMetadata, pbNewMetadata, pOwnerHash, dwOperation, pCertificatesAdded) = DLL("ADVAPI32.dll", "dword SetEncryptedFileMetadata(char*, void*, void*, void*, dword, void*)")
# 呼び出し: SetEncryptedFileMetadata(lpFileName, pbOldMetadata, pbNewMetadata, pOwnerHash, dwOperation, pCertificatesAdded)
# lpFileName : LPCWSTR -> "char*"
# pbOldMetadata : BYTE* optional -> "void*"
# pbNewMetadata : BYTE* -> "void*"
# pOwnerHash : ENCRYPTION_CERTIFICATE_HASH* -> "void*"
# dwOperation : DWORD -> "dword"
# pCertificatesAdded : ENCRYPTION_CERTIFICATE_HASH_LIST* optional -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。