ホーム › Security.Cryptography › CertRemoveEnhancedKeyUsageIdentifier

CertRemoveEnhancedKeyUsageIdentifier

関数

証明書から拡張キー使用法の使用法識別子OIDを削除する。

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 CertRemoveEnhancedKeyUsageIdentifier(
    const CERT_CONTEXT* pCertContext,
    LPCSTR pszUsageIdentifier
);

パラメーター

名前	型	方向
pCertContext	CERT_CONTEXT*	in
pszUsageIdentifier	LPCSTR	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CertRemoveEnhancedKeyUsageIdentifier(
    const CERT_CONTEXT* pCertContext,
    LPCSTR pszUsageIdentifier
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CertRemoveEnhancedKeyUsageIdentifier(
    IntPtr pCertContext,   // CERT_CONTEXT*
    [MarshalAs(UnmanagedType.LPStr)] string pszUsageIdentifier   // LPCSTR
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertRemoveEnhancedKeyUsageIdentifier(
    pCertContext As IntPtr,   ' CERT_CONTEXT*
    <MarshalAs(UnmanagedType.LPStr)> pszUsageIdentifier As String   ' LPCSTR
) As Boolean
End Function

' pCertContext : CERT_CONTEXT*
' pszUsageIdentifier : LPCSTR
Declare PtrSafe Function CertRemoveEnhancedKeyUsageIdentifier Lib "crypt32" ( _
    ByVal pCertContext As LongPtr, _
    ByVal pszUsageIdentifier As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertRemoveEnhancedKeyUsageIdentifier = ctypes.windll.crypt32.CertRemoveEnhancedKeyUsageIdentifier
CertRemoveEnhancedKeyUsageIdentifier.restype = wintypes.BOOL
CertRemoveEnhancedKeyUsageIdentifier.argtypes = [
    ctypes.c_void_p,  # pCertContext : CERT_CONTEXT*
    wintypes.LPCSTR,  # pszUsageIdentifier : LPCSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertRemoveEnhancedKeyUsageIdentifier = Fiddle::Function.new(
  lib['CertRemoveEnhancedKeyUsageIdentifier'],
  [
    Fiddle::TYPE_VOIDP,  # pCertContext : CERT_CONTEXT*
    Fiddle::TYPE_VOIDP,  # pszUsageIdentifier : LPCSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertRemoveEnhancedKeyUsageIdentifier(
        pCertContext: *const CERT_CONTEXT,  // CERT_CONTEXT*
        pszUsageIdentifier: *const u8  // LPCSTR
    ) -> 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 CertRemoveEnhancedKeyUsageIdentifier(IntPtr pCertContext, [MarshalAs(UnmanagedType.LPStr)] string pszUsageIdentifier);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertRemoveEnhancedKeyUsageIdentifier' -Namespace Win32 -PassThru
# $api::CertRemoveEnhancedKeyUsageIdentifier(pCertContext, pszUsageIdentifier)

#uselib "CRYPT32.dll"
#func global CertRemoveEnhancedKeyUsageIdentifier "CertRemoveEnhancedKeyUsageIdentifier" sptr, sptr
; CertRemoveEnhancedKeyUsageIdentifier varptr(pCertContext), pszUsageIdentifier   ; 戻り値は stat
; pCertContext : CERT_CONTEXT* -> "sptr"
; pszUsageIdentifier : LPCSTR -> "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 CertRemoveEnhancedKeyUsageIdentifier "CertRemoveEnhancedKeyUsageIdentifier" var, str
; res = CertRemoveEnhancedKeyUsageIdentifier(pCertContext, pszUsageIdentifier)
; pCertContext : CERT_CONTEXT* -> "var"
; pszUsageIdentifier : LPCSTR -> "str"
; ※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 CertRemoveEnhancedKeyUsageIdentifier "CertRemoveEnhancedKeyUsageIdentifier" sptr, str
; res = CertRemoveEnhancedKeyUsageIdentifier(varptr(pCertContext), pszUsageIdentifier)
; pCertContext : CERT_CONTEXT* -> "sptr"
; pszUsageIdentifier : LPCSTR -> "str"
; ※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 CertRemoveEnhancedKeyUsageIdentifier(CERT_CONTEXT* pCertContext, LPCSTR pszUsageIdentifier)
#uselib "CRYPT32.dll"
#cfunc global CertRemoveEnhancedKeyUsageIdentifier "CertRemoveEnhancedKeyUsageIdentifier" var, str
; res = CertRemoveEnhancedKeyUsageIdentifier(pCertContext, pszUsageIdentifier)
; pCertContext : CERT_CONTEXT* -> "var"
; pszUsageIdentifier : LPCSTR -> "str"
; ※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 CertRemoveEnhancedKeyUsageIdentifier(CERT_CONTEXT* pCertContext, LPCSTR pszUsageIdentifier)
#uselib "CRYPT32.dll"
#cfunc global CertRemoveEnhancedKeyUsageIdentifier "CertRemoveEnhancedKeyUsageIdentifier" intptr, str
; res = CertRemoveEnhancedKeyUsageIdentifier(varptr(pCertContext), pszUsageIdentifier)
; pCertContext : CERT_CONTEXT* -> "intptr"
; pszUsageIdentifier : LPCSTR -> "str"
; ※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")
	procCertRemoveEnhancedKeyUsageIdentifier = crypt32.NewProc("CertRemoveEnhancedKeyUsageIdentifier")
)

// pCertContext (CERT_CONTEXT*), pszUsageIdentifier (LPCSTR)
r1, _, err := procCertRemoveEnhancedKeyUsageIdentifier.Call(
	uintptr(pCertContext),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszUsageIdentifier))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertRemoveEnhancedKeyUsageIdentifier(
  pCertContext: Pointer;   // CERT_CONTEXT*
  pszUsageIdentifier: PAnsiChar   // LPCSTR
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertRemoveEnhancedKeyUsageIdentifier';

result := DllCall("CRYPT32\CertRemoveEnhancedKeyUsageIdentifier"
    , "Ptr", pCertContext   ; CERT_CONTEXT*
    , "AStr", pszUsageIdentifier   ; LPCSTR
    , "Int")   ; return: BOOL

●CertRemoveEnhancedKeyUsageIdentifier(pCertContext, pszUsageIdentifier) = DLL("CRYPT32.dll", "bool CertRemoveEnhancedKeyUsageIdentifier(void*, char*)")
# 呼び出し: CertRemoveEnhancedKeyUsageIdentifier(pCertContext, pszUsageIdentifier)
# pCertContext : CERT_CONTEXT* -> "void*"
# pszUsageIdentifier : LPCSTR -> "char*"
# 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)。