ホーム › Security.Cryptography › NCryptFreeObject
NCryptFreeObject
関数CNGプロバイダーやキーなどのオブジェクトを解放する。
シグネチャ
// ncrypt.dll
#include <windows.h>
HRESULT NCryptFreeObject(
NCRYPT_HANDLE hObject
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hObject | NCRYPT_HANDLE | in |
戻り値の型: HRESULT
各言語での呼び出し定義
// ncrypt.dll
#include <windows.h>
HRESULT NCryptFreeObject(
NCRYPT_HANDLE hObject
);[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int NCryptFreeObject(
UIntPtr hObject // NCRYPT_HANDLE
);<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptFreeObject(
hObject As UIntPtr ' NCRYPT_HANDLE
) As Integer
End Function' hObject : NCRYPT_HANDLE
Declare PtrSafe Function NCryptFreeObject Lib "ncrypt" ( _
ByVal hObject 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
NCryptFreeObject = ctypes.windll.ncrypt.NCryptFreeObject
NCryptFreeObject.restype = ctypes.c_int
NCryptFreeObject.argtypes = [
ctypes.c_size_t, # hObject : NCRYPT_HANDLE
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ncrypt.dll')
NCryptFreeObject = Fiddle::Function.new(
lib['NCryptFreeObject'],
[
Fiddle::TYPE_UINTPTR_T, # hObject : NCRYPT_HANDLE
],
Fiddle::TYPE_INT)#[link(name = "ncrypt")]
extern "system" {
fn NCryptFreeObject(
hObject: usize // NCRYPT_HANDLE
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ncrypt.dll")]
public static extern int NCryptFreeObject(UIntPtr hObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_NCryptFreeObject' -Namespace Win32 -PassThru
# $api::NCryptFreeObject(hObject)#uselib "ncrypt.dll"
#func global NCryptFreeObject "NCryptFreeObject" sptr
; NCryptFreeObject hObject ; 戻り値は stat
; hObject : NCRYPT_HANDLE -> "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。#uselib "ncrypt.dll"
#cfunc global NCryptFreeObject "NCryptFreeObject" sptr
; res = NCryptFreeObject(hObject)
; hObject : NCRYPT_HANDLE -> "sptr"; HRESULT NCryptFreeObject(NCRYPT_HANDLE hObject)
#uselib "ncrypt.dll"
#cfunc global NCryptFreeObject "NCryptFreeObject" intptr
; res = NCryptFreeObject(hObject)
; hObject : NCRYPT_HANDLE -> "intptr"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
procNCryptFreeObject = ncrypt.NewProc("NCryptFreeObject")
)
// hObject (NCRYPT_HANDLE)
r1, _, err := procNCryptFreeObject.Call(
uintptr(hObject),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction NCryptFreeObject(
hObject: NativeUInt // NCRYPT_HANDLE
): Integer; stdcall;
external 'ncrypt.dll' name 'NCryptFreeObject';result := DllCall("ncrypt\NCryptFreeObject"
, "UPtr", hObject ; NCRYPT_HANDLE
, "Int") ; return: HRESULT●NCryptFreeObject(hObject) = DLL("ncrypt.dll", "int NCryptFreeObject(int)")
# 呼び出し: NCryptFreeObject(hObject)
# hObject : NCRYPT_HANDLE -> "int"
# 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)。