ホーム › Security.Cryptography › BCryptDestroyKey

BCryptDestroyKey

関数

CNGの鍵オブジェクトを破棄する。

DLLbcrypt.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

NTSTATUS BCryptDestroyKey(
    BCRYPT_KEY_HANDLE hKey
);

パラメーター

名前	型	方向
hKey	BCRYPT_KEY_HANDLE	inout

戻り値の型: NTSTATUS

各言語での呼び出し定義

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

NTSTATUS BCryptDestroyKey(
    BCRYPT_KEY_HANDLE hKey
);

[DllImport("bcrypt.dll", ExactSpelling = true)]
static extern int BCryptDestroyKey(
    IntPtr hKey   // BCRYPT_KEY_HANDLE in/out
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptDestroyKey(
    hKey As IntPtr   ' BCRYPT_KEY_HANDLE in/out
) As Integer
End Function

' hKey : BCRYPT_KEY_HANDLE in/out
Declare PtrSafe Function BCryptDestroyKey Lib "bcrypt" ( _
    ByVal hKey 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

BCryptDestroyKey = ctypes.windll.bcrypt.BCryptDestroyKey
BCryptDestroyKey.restype = ctypes.c_int
BCryptDestroyKey.argtypes = [
    wintypes.HANDLE,  # hKey : BCRYPT_KEY_HANDLE in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptDestroyKey = Fiddle::Function.new(
  lib['BCryptDestroyKey'],
  [
    Fiddle::TYPE_VOIDP,  # hKey : BCRYPT_KEY_HANDLE in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptDestroyKey(
        hKey: *mut core::ffi::c_void  // BCRYPT_KEY_HANDLE in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptDestroyKey(IntPtr hKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptDestroyKey' -Namespace Win32 -PassThru
# $api::BCryptDestroyKey(hKey)

#uselib "bcrypt.dll"
#func global BCryptDestroyKey "BCryptDestroyKey" sptr
; BCryptDestroyKey hKey   ; 戻り値は stat
; hKey : BCRYPT_KEY_HANDLE in/out -> "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 "bcrypt.dll"
#cfunc global BCryptDestroyKey "BCryptDestroyKey" sptr
; res = BCryptDestroyKey(hKey)
; hKey : BCRYPT_KEY_HANDLE in/out -> "sptr"

; NTSTATUS BCryptDestroyKey(BCRYPT_KEY_HANDLE hKey)
#uselib "bcrypt.dll"
#cfunc global BCryptDestroyKey "BCryptDestroyKey" intptr
; res = BCryptDestroyKey(hKey)
; hKey : BCRYPT_KEY_HANDLE in/out -> "intptr"

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

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptDestroyKey = bcrypt.NewProc("BCryptDestroyKey")
)

// hKey (BCRYPT_KEY_HANDLE in/out)
r1, _, err := procBCryptDestroyKey.Call(
	uintptr(hKey),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptDestroyKey(
  hKey: THandle   // BCRYPT_KEY_HANDLE in/out
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptDestroyKey';

result := DllCall("bcrypt\BCryptDestroyKey"
    , "Ptr", hKey   ; BCRYPT_KEY_HANDLE in/out
    , "Int")   ; return: NTSTATUS

●BCryptDestroyKey(hKey) = DLL("bcrypt.dll", "int BCryptDestroyKey(void*)")
# 呼び出し: BCryptDestroyKey(hKey)
# hKey : BCRYPT_KEY_HANDLE in/out -> "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)。