ホーム › NetworkManagement.P2P › DrtCreateDerivedKey

DrtCreateDerivedKey

関数

ローカル証明書からDRT用の派生キーを生成する。

DLLdrtprov.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT DrtCreateDerivedKey(
    const CERT_CONTEXT* pLocalCert,
    DRT_DATA* pKey
);

パラメーター

名前	型	方向
pLocalCert	CERT_CONTEXT*	in
pKey	DRT_DATA*	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT DrtCreateDerivedKey(
    const CERT_CONTEXT* pLocalCert,
    DRT_DATA* pKey
);

[DllImport("drtprov.dll", ExactSpelling = true)]
static extern int DrtCreateDerivedKey(
    IntPtr pLocalCert,   // CERT_CONTEXT*
    IntPtr pKey   // DRT_DATA* out
);

<DllImport("drtprov.dll", ExactSpelling:=True)>
Public Shared Function DrtCreateDerivedKey(
    pLocalCert As IntPtr,   ' CERT_CONTEXT*
    pKey As IntPtr   ' DRT_DATA* out
) As Integer
End Function

' pLocalCert : CERT_CONTEXT*
' pKey : DRT_DATA* out
Declare PtrSafe Function DrtCreateDerivedKey Lib "drtprov" ( _
    ByVal pLocalCert As LongPtr, _
    ByVal pKey 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

DrtCreateDerivedKey = ctypes.windll.drtprov.DrtCreateDerivedKey
DrtCreateDerivedKey.restype = ctypes.c_int
DrtCreateDerivedKey.argtypes = [
    ctypes.c_void_p,  # pLocalCert : CERT_CONTEXT*
    ctypes.c_void_p,  # pKey : DRT_DATA* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drtprov.dll')
DrtCreateDerivedKey = Fiddle::Function.new(
  lib['DrtCreateDerivedKey'],
  [
    Fiddle::TYPE_VOIDP,  # pLocalCert : CERT_CONTEXT*
    Fiddle::TYPE_VOIDP,  # pKey : DRT_DATA* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "drtprov")]
extern "system" {
    fn DrtCreateDerivedKey(
        pLocalCert: *const CERT_CONTEXT,  // CERT_CONTEXT*
        pKey: *mut DRT_DATA  // DRT_DATA* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drtprov.dll")]
public static extern int DrtCreateDerivedKey(IntPtr pLocalCert, IntPtr pKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drtprov_DrtCreateDerivedKey' -Namespace Win32 -PassThru
# $api::DrtCreateDerivedKey(pLocalCert, pKey)

#uselib "drtprov.dll"
#func global DrtCreateDerivedKey "DrtCreateDerivedKey" sptr, sptr
; DrtCreateDerivedKey varptr(pLocalCert), varptr(pKey)   ; 戻り値は stat
; pLocalCert : CERT_CONTEXT* -> "sptr"
; pKey : DRT_DATA* 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。

出力引数:

#uselib "drtprov.dll"
#cfunc global DrtCreateDerivedKey "DrtCreateDerivedKey" var, var
; res = DrtCreateDerivedKey(pLocalCert, pKey)
; pLocalCert : CERT_CONTEXT* -> "var"
; pKey : DRT_DATA* out -> "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 "drtprov.dll"
#cfunc global DrtCreateDerivedKey "DrtCreateDerivedKey" sptr, sptr
; res = DrtCreateDerivedKey(varptr(pLocalCert), varptr(pKey))
; pLocalCert : CERT_CONTEXT* -> "sptr"
; pKey : DRT_DATA* out -> "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:

; HRESULT DrtCreateDerivedKey(CERT_CONTEXT* pLocalCert, DRT_DATA* pKey)
#uselib "drtprov.dll"
#cfunc global DrtCreateDerivedKey "DrtCreateDerivedKey" var, var
; res = DrtCreateDerivedKey(pLocalCert, pKey)
; pLocalCert : CERT_CONTEXT* -> "var"
; pKey : DRT_DATA* out -> "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。; HRESULT DrtCreateDerivedKey(CERT_CONTEXT* pLocalCert, DRT_DATA* pKey)
#uselib "drtprov.dll"
#cfunc global DrtCreateDerivedKey "DrtCreateDerivedKey" intptr, intptr
; res = DrtCreateDerivedKey(varptr(pLocalCert), varptr(pKey))
; pLocalCert : CERT_CONTEXT* -> "intptr"
; pKey : DRT_DATA* out -> "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 (
	drtprov = windows.NewLazySystemDLL("drtprov.dll")
	procDrtCreateDerivedKey = drtprov.NewProc("DrtCreateDerivedKey")
)

// pLocalCert (CERT_CONTEXT*), pKey (DRT_DATA* out)
r1, _, err := procDrtCreateDerivedKey.Call(
	uintptr(pLocalCert),
	uintptr(pKey),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtCreateDerivedKey(
  pLocalCert: Pointer;   // CERT_CONTEXT*
  pKey: Pointer   // DRT_DATA* out
): Integer; stdcall;
  external 'drtprov.dll' name 'DrtCreateDerivedKey';

result := DllCall("drtprov\DrtCreateDerivedKey"
    , "Ptr", pLocalCert   ; CERT_CONTEXT*
    , "Ptr", pKey   ; DRT_DATA* out
    , "Int")   ; return: HRESULT

●DrtCreateDerivedKey(pLocalCert, pKey) = DLL("drtprov.dll", "int DrtCreateDerivedKey(void*, void*)")
# 呼び出し: DrtCreateDerivedKey(pLocalCert, pKey)
# pLocalCert : CERT_CONTEXT* -> "void*"
# pKey : DRT_DATA* 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)。