ホーム › Security.Cryptography › CertGetCRLFromStore

CertGetCRLFromStore

関数

発行者に対応するCRLをストアから取得する。

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>

CRL_CONTEXT* CertGetCRLFromStore(
    HCERTSTORE hCertStore,
    const CERT_CONTEXT* pIssuerContext,   // optional
    CRL_CONTEXT* pPrevCrlContext,   // optional
    DWORD* pdwFlags
);

パラメーター

名前	型	方向
hCertStore	HCERTSTORE	in
pIssuerContext	CERT_CONTEXT*	inoptional
pPrevCrlContext	CRL_CONTEXT*	inoptional
pdwFlags	DWORD*	inout

戻り値の型: CRL_CONTEXT*

各言語での呼び出し定義

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

CRL_CONTEXT* CertGetCRLFromStore(
    HCERTSTORE hCertStore,
    const CERT_CONTEXT* pIssuerContext,   // optional
    CRL_CONTEXT* pPrevCrlContext,   // optional
    DWORD* pdwFlags
);

[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr CertGetCRLFromStore(
    IntPtr hCertStore,   // HCERTSTORE
    IntPtr pIssuerContext,   // CERT_CONTEXT* optional
    IntPtr pPrevCrlContext,   // CRL_CONTEXT* optional
    ref uint pdwFlags   // DWORD* in/out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertGetCRLFromStore(
    hCertStore As IntPtr,   ' HCERTSTORE
    pIssuerContext As IntPtr,   ' CERT_CONTEXT* optional
    pPrevCrlContext As IntPtr,   ' CRL_CONTEXT* optional
    ByRef pdwFlags As UInteger   ' DWORD* in/out
) As IntPtr
End Function

' hCertStore : HCERTSTORE
' pIssuerContext : CERT_CONTEXT* optional
' pPrevCrlContext : CRL_CONTEXT* optional
' pdwFlags : DWORD* in/out
Declare PtrSafe Function CertGetCRLFromStore Lib "crypt32" ( _
    ByVal hCertStore As LongPtr, _
    ByVal pIssuerContext As LongPtr, _
    ByVal pPrevCrlContext As LongPtr, _
    ByRef pdwFlags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertGetCRLFromStore = ctypes.windll.crypt32.CertGetCRLFromStore
CertGetCRLFromStore.restype = ctypes.c_void_p
CertGetCRLFromStore.argtypes = [
    wintypes.HANDLE,  # hCertStore : HCERTSTORE
    ctypes.c_void_p,  # pIssuerContext : CERT_CONTEXT* optional
    ctypes.c_void_p,  # pPrevCrlContext : CRL_CONTEXT* optional
    ctypes.POINTER(wintypes.DWORD),  # pdwFlags : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertGetCRLFromStore = Fiddle::Function.new(
  lib['CertGetCRLFromStore'],
  [
    Fiddle::TYPE_VOIDP,  # hCertStore : HCERTSTORE
    Fiddle::TYPE_VOIDP,  # pIssuerContext : CERT_CONTEXT* optional
    Fiddle::TYPE_VOIDP,  # pPrevCrlContext : CRL_CONTEXT* optional
    Fiddle::TYPE_VOIDP,  # pdwFlags : DWORD* in/out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "crypt32")]
extern "system" {
    fn CertGetCRLFromStore(
        hCertStore: *mut core::ffi::c_void,  // HCERTSTORE
        pIssuerContext: *const CERT_CONTEXT,  // CERT_CONTEXT* optional
        pPrevCrlContext: *mut CRL_CONTEXT,  // CRL_CONTEXT* optional
        pdwFlags: *mut u32  // DWORD* in/out
    ) -> *mut CRL_CONTEXT;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern IntPtr CertGetCRLFromStore(IntPtr hCertStore, IntPtr pIssuerContext, IntPtr pPrevCrlContext, ref uint pdwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetCRLFromStore' -Namespace Win32 -PassThru
# $api::CertGetCRLFromStore(hCertStore, pIssuerContext, pPrevCrlContext, pdwFlags)

#uselib "CRYPT32.dll"
#func global CertGetCRLFromStore "CertGetCRLFromStore" sptr, sptr, sptr, sptr
; CertGetCRLFromStore hCertStore, varptr(pIssuerContext), varptr(pPrevCrlContext), varptr(pdwFlags)   ; 戻り値は stat
; hCertStore : HCERTSTORE -> "sptr"
; pIssuerContext : CERT_CONTEXT* optional -> "sptr"
; pPrevCrlContext : CRL_CONTEXT* optional -> "sptr"
; pdwFlags : DWORD* 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。

出力引数:

#uselib "CRYPT32.dll"
#cfunc global CertGetCRLFromStore "CertGetCRLFromStore" sptr, var, var, var
; res = CertGetCRLFromStore(hCertStore, pIssuerContext, pPrevCrlContext, pdwFlags)
; hCertStore : HCERTSTORE -> "sptr"
; pIssuerContext : CERT_CONTEXT* optional -> "var"
; pPrevCrlContext : CRL_CONTEXT* optional -> "var"
; pdwFlags : DWORD* in/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 "CRYPT32.dll"
#cfunc global CertGetCRLFromStore "CertGetCRLFromStore" sptr, sptr, sptr, sptr
; res = CertGetCRLFromStore(hCertStore, varptr(pIssuerContext), varptr(pPrevCrlContext), varptr(pdwFlags))
; hCertStore : HCERTSTORE -> "sptr"
; pIssuerContext : CERT_CONTEXT* optional -> "sptr"
; pPrevCrlContext : CRL_CONTEXT* optional -> "sptr"
; pdwFlags : DWORD* in/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:

; CRL_CONTEXT* CertGetCRLFromStore(HCERTSTORE hCertStore, CERT_CONTEXT* pIssuerContext, CRL_CONTEXT* pPrevCrlContext, DWORD* pdwFlags)
#uselib "CRYPT32.dll"
#cfunc global CertGetCRLFromStore "CertGetCRLFromStore" intptr, var, var, var
; res = CertGetCRLFromStore(hCertStore, pIssuerContext, pPrevCrlContext, pdwFlags)
; hCertStore : HCERTSTORE -> "intptr"
; pIssuerContext : CERT_CONTEXT* optional -> "var"
; pPrevCrlContext : CRL_CONTEXT* optional -> "var"
; pdwFlags : DWORD* in/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。; CRL_CONTEXT* CertGetCRLFromStore(HCERTSTORE hCertStore, CERT_CONTEXT* pIssuerContext, CRL_CONTEXT* pPrevCrlContext, DWORD* pdwFlags)
#uselib "CRYPT32.dll"
#cfunc global CertGetCRLFromStore "CertGetCRLFromStore" intptr, intptr, intptr, intptr
; res = CertGetCRLFromStore(hCertStore, varptr(pIssuerContext), varptr(pPrevCrlContext), varptr(pdwFlags))
; hCertStore : HCERTSTORE -> "intptr"
; pIssuerContext : CERT_CONTEXT* optional -> "intptr"
; pPrevCrlContext : CRL_CONTEXT* optional -> "intptr"
; pdwFlags : DWORD* in/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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertGetCRLFromStore = crypt32.NewProc("CertGetCRLFromStore")
)

// hCertStore (HCERTSTORE), pIssuerContext (CERT_CONTEXT* optional), pPrevCrlContext (CRL_CONTEXT* optional), pdwFlags (DWORD* in/out)
r1, _, err := procCertGetCRLFromStore.Call(
	uintptr(hCertStore),
	uintptr(pIssuerContext),
	uintptr(pPrevCrlContext),
	uintptr(pdwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CRL_CONTEXT*

function CertGetCRLFromStore(
  hCertStore: THandle;   // HCERTSTORE
  pIssuerContext: Pointer;   // CERT_CONTEXT* optional
  pPrevCrlContext: Pointer;   // CRL_CONTEXT* optional
  pdwFlags: Pointer   // DWORD* in/out
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertGetCRLFromStore';

result := DllCall("CRYPT32\CertGetCRLFromStore"
    , "Ptr", hCertStore   ; HCERTSTORE
    , "Ptr", pIssuerContext   ; CERT_CONTEXT* optional
    , "Ptr", pPrevCrlContext   ; CRL_CONTEXT* optional
    , "Ptr", pdwFlags   ; DWORD* in/out
    , "Ptr")   ; return: CRL_CONTEXT*

●CertGetCRLFromStore(hCertStore, pIssuerContext, pPrevCrlContext, pdwFlags) = DLL("CRYPT32.dll", "void* CertGetCRLFromStore(void*, void*, void*, void*)")
# 呼び出し: CertGetCRLFromStore(hCertStore, pIssuerContext, pPrevCrlContext, pdwFlags)
# hCertStore : HCERTSTORE -> "void*"
# pIssuerContext : CERT_CONTEXT* optional -> "void*"
# pPrevCrlContext : CRL_CONTEXT* optional -> "void*"
# pdwFlags : DWORD* 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)。