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SetUserFileEncryptionKey

関数

ファイル暗号化に使うユーザーの証明書鍵を設定する。

DLLADVAPI32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

DWORD SetUserFileEncryptionKey(
    ENCRYPTION_CERTIFICATE* pEncryptionCertificate   // optional
);

パラメーター

名前	型	方向
pEncryptionCertificate	ENCRYPTION_CERTIFICATE*	inoptional

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD SetUserFileEncryptionKey(
    ENCRYPTION_CERTIFICATE* pEncryptionCertificate   // optional
);

[DllImport("ADVAPI32.dll", ExactSpelling = true)]
static extern uint SetUserFileEncryptionKey(
    IntPtr pEncryptionCertificate   // ENCRYPTION_CERTIFICATE* optional
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function SetUserFileEncryptionKey(
    pEncryptionCertificate As IntPtr   ' ENCRYPTION_CERTIFICATE* optional
) As UInteger
End Function

' pEncryptionCertificate : ENCRYPTION_CERTIFICATE* optional
Declare PtrSafe Function SetUserFileEncryptionKey Lib "advapi32" ( _
    ByVal pEncryptionCertificate 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

SetUserFileEncryptionKey = ctypes.windll.advapi32.SetUserFileEncryptionKey
SetUserFileEncryptionKey.restype = wintypes.DWORD
SetUserFileEncryptionKey.argtypes = [
    ctypes.c_void_p,  # pEncryptionCertificate : ENCRYPTION_CERTIFICATE* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
SetUserFileEncryptionKey = Fiddle::Function.new(
  lib['SetUserFileEncryptionKey'],
  [
    Fiddle::TYPE_VOIDP,  # pEncryptionCertificate : ENCRYPTION_CERTIFICATE* optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn SetUserFileEncryptionKey(
        pEncryptionCertificate: *mut ENCRYPTION_CERTIFICATE  // ENCRYPTION_CERTIFICATE* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint SetUserFileEncryptionKey(IntPtr pEncryptionCertificate);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_SetUserFileEncryptionKey' -Namespace Win32 -PassThru
# $api::SetUserFileEncryptionKey(pEncryptionCertificate)

#uselib "ADVAPI32.dll"
#func global SetUserFileEncryptionKey "SetUserFileEncryptionKey" sptr
; SetUserFileEncryptionKey varptr(pEncryptionCertificate)   ; 戻り値は stat
; pEncryptionCertificate : ENCRYPTION_CERTIFICATE* 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 SetUserFileEncryptionKey "SetUserFileEncryptionKey" var
; res = SetUserFileEncryptionKey(pEncryptionCertificate)
; pEncryptionCertificate : ENCRYPTION_CERTIFICATE* 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 SetUserFileEncryptionKey "SetUserFileEncryptionKey" sptr
; res = SetUserFileEncryptionKey(varptr(pEncryptionCertificate))
; pEncryptionCertificate : ENCRYPTION_CERTIFICATE* 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 SetUserFileEncryptionKey(ENCRYPTION_CERTIFICATE* pEncryptionCertificate)
#uselib "ADVAPI32.dll"
#cfunc global SetUserFileEncryptionKey "SetUserFileEncryptionKey" var
; res = SetUserFileEncryptionKey(pEncryptionCertificate)
; pEncryptionCertificate : ENCRYPTION_CERTIFICATE* 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 SetUserFileEncryptionKey(ENCRYPTION_CERTIFICATE* pEncryptionCertificate)
#uselib "ADVAPI32.dll"
#cfunc global SetUserFileEncryptionKey "SetUserFileEncryptionKey" intptr
; res = SetUserFileEncryptionKey(varptr(pEncryptionCertificate))
; pEncryptionCertificate : ENCRYPTION_CERTIFICATE* 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")
	procSetUserFileEncryptionKey = advapi32.NewProc("SetUserFileEncryptionKey")
)

// pEncryptionCertificate (ENCRYPTION_CERTIFICATE* optional)
r1, _, err := procSetUserFileEncryptionKey.Call(
	uintptr(pEncryptionCertificate),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SetUserFileEncryptionKey(
  pEncryptionCertificate: Pointer   // ENCRYPTION_CERTIFICATE* optional
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'SetUserFileEncryptionKey';

result := DllCall("ADVAPI32\SetUserFileEncryptionKey"
    , "Ptr", pEncryptionCertificate   ; ENCRYPTION_CERTIFICATE* optional
    , "UInt")   ; return: DWORD

●SetUserFileEncryptionKey(pEncryptionCertificate) = DLL("ADVAPI32.dll", "dword SetUserFileEncryptionKey(void*)")
# 呼び出し: SetUserFileEncryptionKey(pEncryptionCertificate)
# pEncryptionCertificate : ENCRYPTION_CERTIFICATE* 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)。