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CertSetEnhancedKeyUsage

関数

証明書の拡張キー使用法(EKU)を設定する。

DLLCRYPT32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// CRYPT32.dll
#include <windows.h>

BOOL CertSetEnhancedKeyUsage(
    const CERT_CONTEXT* pCertContext,
    CTL_USAGE* pUsage   // optional
);

パラメーター

名前	型	方向
pCertContext	CERT_CONTEXT*	in
pUsage	CTL_USAGE*	inoptional

戻り値の型: BOOL

各言語での呼び出し定義

// CRYPT32.dll
#include <windows.h>

BOOL CertSetEnhancedKeyUsage(
    const CERT_CONTEXT* pCertContext,
    CTL_USAGE* pUsage   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CertSetEnhancedKeyUsage(
    IntPtr pCertContext,   // CERT_CONTEXT*
    IntPtr pUsage   // CTL_USAGE* optional
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertSetEnhancedKeyUsage(
    pCertContext As IntPtr,   ' CERT_CONTEXT*
    pUsage As IntPtr   ' CTL_USAGE* optional
) As Boolean
End Function

' pCertContext : CERT_CONTEXT*
' pUsage : CTL_USAGE* optional
Declare PtrSafe Function CertSetEnhancedKeyUsage Lib "crypt32" ( _
    ByVal pCertContext As LongPtr, _
    ByVal pUsage 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

CertSetEnhancedKeyUsage = ctypes.windll.crypt32.CertSetEnhancedKeyUsage
CertSetEnhancedKeyUsage.restype = wintypes.BOOL
CertSetEnhancedKeyUsage.argtypes = [
    ctypes.c_void_p,  # pCertContext : CERT_CONTEXT*
    ctypes.c_void_p,  # pUsage : CTL_USAGE* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertSetEnhancedKeyUsage = Fiddle::Function.new(
  lib['CertSetEnhancedKeyUsage'],
  [
    Fiddle::TYPE_VOIDP,  # pCertContext : CERT_CONTEXT*
    Fiddle::TYPE_VOIDP,  # pUsage : CTL_USAGE* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertSetEnhancedKeyUsage(
        pCertContext: *const CERT_CONTEXT,  // CERT_CONTEXT*
        pUsage: *mut CTL_USAGE  // CTL_USAGE* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CertSetEnhancedKeyUsage(IntPtr pCertContext, IntPtr pUsage);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertSetEnhancedKeyUsage' -Namespace Win32 -PassThru
# $api::CertSetEnhancedKeyUsage(pCertContext, pUsage)

#uselib "CRYPT32.dll"
#func global CertSetEnhancedKeyUsage "CertSetEnhancedKeyUsage" sptr, sptr
; CertSetEnhancedKeyUsage varptr(pCertContext), varptr(pUsage)   ; 戻り値は stat
; pCertContext : CERT_CONTEXT* -> "sptr"
; pUsage : CTL_USAGE* 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 "CRYPT32.dll"
#cfunc global CertSetEnhancedKeyUsage "CertSetEnhancedKeyUsage" var, var
; res = CertSetEnhancedKeyUsage(pCertContext, pUsage)
; pCertContext : CERT_CONTEXT* -> "var"
; pUsage : CTL_USAGE* 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 "CRYPT32.dll"
#cfunc global CertSetEnhancedKeyUsage "CertSetEnhancedKeyUsage" sptr, sptr
; res = CertSetEnhancedKeyUsage(varptr(pCertContext), varptr(pUsage))
; pCertContext : CERT_CONTEXT* -> "sptr"
; pUsage : CTL_USAGE* 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:

; BOOL CertSetEnhancedKeyUsage(CERT_CONTEXT* pCertContext, CTL_USAGE* pUsage)
#uselib "CRYPT32.dll"
#cfunc global CertSetEnhancedKeyUsage "CertSetEnhancedKeyUsage" var, var
; res = CertSetEnhancedKeyUsage(pCertContext, pUsage)
; pCertContext : CERT_CONTEXT* -> "var"
; pUsage : CTL_USAGE* 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。; BOOL CertSetEnhancedKeyUsage(CERT_CONTEXT* pCertContext, CTL_USAGE* pUsage)
#uselib "CRYPT32.dll"
#cfunc global CertSetEnhancedKeyUsage "CertSetEnhancedKeyUsage" intptr, intptr
; res = CertSetEnhancedKeyUsage(varptr(pCertContext), varptr(pUsage))
; pCertContext : CERT_CONTEXT* -> "intptr"
; pUsage : CTL_USAGE* 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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertSetEnhancedKeyUsage = crypt32.NewProc("CertSetEnhancedKeyUsage")
)

// pCertContext (CERT_CONTEXT*), pUsage (CTL_USAGE* optional)
r1, _, err := procCertSetEnhancedKeyUsage.Call(
	uintptr(pCertContext),
	uintptr(pUsage),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertSetEnhancedKeyUsage(
  pCertContext: Pointer;   // CERT_CONTEXT*
  pUsage: Pointer   // CTL_USAGE* optional
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertSetEnhancedKeyUsage';

result := DllCall("CRYPT32\CertSetEnhancedKeyUsage"
    , "Ptr", pCertContext   ; CERT_CONTEXT*
    , "Ptr", pUsage   ; CTL_USAGE* optional
    , "Int")   ; return: BOOL

●CertSetEnhancedKeyUsage(pCertContext, pUsage) = DLL("CRYPT32.dll", "bool CertSetEnhancedKeyUsage(void*, void*)")
# 呼び出し: CertSetEnhancedKeyUsage(pCertContext, pUsage)
# pCertContext : CERT_CONTEXT* -> "void*"
# pUsage : CTL_USAGE* 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)。