ホーム › Security.Cryptography › BCryptFinalizeKeyPair

BCryptFinalizeKeyPair

関数

生成したCNGキーペアを確定して使用可能にする。

DLLbcrypt.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

NTSTATUS BCryptFinalizeKeyPair(
    BCRYPT_KEY_HANDLE hKey,
    DWORD dwFlags
);

パラメーター

名前	型	方向	説明
hKey	BCRYPT_KEY_HANDLE	inout	確定する対象の鍵ペアハンドル。BCryptGenerateKeyPairで生成したもの。
dwFlags	DWORD	in	確定フラグ。BCRYPT_NO_KEY_VALIDATION等を指定する。

戻り値の型: NTSTATUS

各言語での呼び出し定義

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

NTSTATUS BCryptFinalizeKeyPair(
    BCRYPT_KEY_HANDLE hKey,
    DWORD dwFlags
);

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

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

' hKey : BCRYPT_KEY_HANDLE in/out
' dwFlags : DWORD
Declare PtrSafe Function BCryptFinalizeKeyPair Lib "bcrypt" ( _
    ByVal hKey As LongPtr, _
    ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

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

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptFinalizeKeyPair(
        hKey: *mut core::ffi::c_void,  // BCRYPT_KEY_HANDLE in/out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "bcrypt.dll"
#func global BCryptFinalizeKeyPair "BCryptFinalizeKeyPair" sptr, sptr
; BCryptFinalizeKeyPair hKey, dwFlags   ; 戻り値は stat
; hKey : BCRYPT_KEY_HANDLE in/out -> "sptr"
; dwFlags : DWORD -> "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 BCryptFinalizeKeyPair "BCryptFinalizeKeyPair" sptr, int
; res = BCryptFinalizeKeyPair(hKey, dwFlags)
; hKey : BCRYPT_KEY_HANDLE in/out -> "sptr"
; dwFlags : DWORD -> "int"

; NTSTATUS BCryptFinalizeKeyPair(BCRYPT_KEY_HANDLE hKey, DWORD dwFlags)
#uselib "bcrypt.dll"
#cfunc global BCryptFinalizeKeyPair "BCryptFinalizeKeyPair" intptr, int
; res = BCryptFinalizeKeyPair(hKey, dwFlags)
; hKey : BCRYPT_KEY_HANDLE in/out -> "intptr"
; dwFlags : DWORD -> "int"

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

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptFinalizeKeyPair = bcrypt.NewProc("BCryptFinalizeKeyPair")
)

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

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

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

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