ホーム › Security.Cryptography › CertEnumCertificatesInStore

CertEnumCertificatesInStore

関数

証明書ストア内の証明書を順に列挙する。

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>

CERT_CONTEXT* CertEnumCertificatesInStore(
    HCERTSTORE hCertStore,
    const CERT_CONTEXT* pPrevCertContext   // optional
);

パラメーター

名前	型	方向
hCertStore	HCERTSTORE	in
pPrevCertContext	CERT_CONTEXT*	inoptional

戻り値の型: CERT_CONTEXT*

各言語での呼び出し定義

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

CERT_CONTEXT* CertEnumCertificatesInStore(
    HCERTSTORE hCertStore,
    const CERT_CONTEXT* pPrevCertContext   // optional
);

[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr CertEnumCertificatesInStore(
    IntPtr hCertStore,   // HCERTSTORE
    IntPtr pPrevCertContext   // CERT_CONTEXT* optional
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertEnumCertificatesInStore(
    hCertStore As IntPtr,   ' HCERTSTORE
    pPrevCertContext As IntPtr   ' CERT_CONTEXT* optional
) As IntPtr
End Function

' hCertStore : HCERTSTORE
' pPrevCertContext : CERT_CONTEXT* optional
Declare PtrSafe Function CertEnumCertificatesInStore Lib "crypt32" ( _
    ByVal hCertStore As LongPtr, _
    ByVal pPrevCertContext As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertEnumCertificatesInStore = ctypes.windll.crypt32.CertEnumCertificatesInStore
CertEnumCertificatesInStore.restype = ctypes.c_void_p
CertEnumCertificatesInStore.argtypes = [
    wintypes.HANDLE,  # hCertStore : HCERTSTORE
    ctypes.c_void_p,  # pPrevCertContext : CERT_CONTEXT* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertEnumCertificatesInStore = Fiddle::Function.new(
  lib['CertEnumCertificatesInStore'],
  [
    Fiddle::TYPE_VOIDP,  # hCertStore : HCERTSTORE
    Fiddle::TYPE_VOIDP,  # pPrevCertContext : CERT_CONTEXT* optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "crypt32")]
extern "system" {
    fn CertEnumCertificatesInStore(
        hCertStore: *mut core::ffi::c_void,  // HCERTSTORE
        pPrevCertContext: *const CERT_CONTEXT  // CERT_CONTEXT* optional
    ) -> *mut CERT_CONTEXT;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern IntPtr CertEnumCertificatesInStore(IntPtr hCertStore, IntPtr pPrevCertContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertEnumCertificatesInStore' -Namespace Win32 -PassThru
# $api::CertEnumCertificatesInStore(hCertStore, pPrevCertContext)

#uselib "CRYPT32.dll"
#func global CertEnumCertificatesInStore "CertEnumCertificatesInStore" sptr, sptr
; CertEnumCertificatesInStore hCertStore, varptr(pPrevCertContext)   ; 戻り値は stat
; hCertStore : HCERTSTORE -> "sptr"
; pPrevCertContext : CERT_CONTEXT* 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 CertEnumCertificatesInStore "CertEnumCertificatesInStore" sptr, var
; res = CertEnumCertificatesInStore(hCertStore, pPrevCertContext)
; hCertStore : HCERTSTORE -> "sptr"
; pPrevCertContext : CERT_CONTEXT* 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 CertEnumCertificatesInStore "CertEnumCertificatesInStore" sptr, sptr
; res = CertEnumCertificatesInStore(hCertStore, varptr(pPrevCertContext))
; hCertStore : HCERTSTORE -> "sptr"
; pPrevCertContext : CERT_CONTEXT* 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:

; CERT_CONTEXT* CertEnumCertificatesInStore(HCERTSTORE hCertStore, CERT_CONTEXT* pPrevCertContext)
#uselib "CRYPT32.dll"
#cfunc global CertEnumCertificatesInStore "CertEnumCertificatesInStore" intptr, var
; res = CertEnumCertificatesInStore(hCertStore, pPrevCertContext)
; hCertStore : HCERTSTORE -> "intptr"
; pPrevCertContext : CERT_CONTEXT* 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。; CERT_CONTEXT* CertEnumCertificatesInStore(HCERTSTORE hCertStore, CERT_CONTEXT* pPrevCertContext)
#uselib "CRYPT32.dll"
#cfunc global CertEnumCertificatesInStore "CertEnumCertificatesInStore" intptr, intptr
; res = CertEnumCertificatesInStore(hCertStore, varptr(pPrevCertContext))
; hCertStore : HCERTSTORE -> "intptr"
; pPrevCertContext : CERT_CONTEXT* 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")
	procCertEnumCertificatesInStore = crypt32.NewProc("CertEnumCertificatesInStore")
)

// hCertStore (HCERTSTORE), pPrevCertContext (CERT_CONTEXT* optional)
r1, _, err := procCertEnumCertificatesInStore.Call(
	uintptr(hCertStore),
	uintptr(pPrevCertContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CERT_CONTEXT*

function CertEnumCertificatesInStore(
  hCertStore: THandle;   // HCERTSTORE
  pPrevCertContext: Pointer   // CERT_CONTEXT* optional
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertEnumCertificatesInStore';

result := DllCall("CRYPT32\CertEnumCertificatesInStore"
    , "Ptr", hCertStore   ; HCERTSTORE
    , "Ptr", pPrevCertContext   ; CERT_CONTEXT* optional
    , "Ptr")   ; return: CERT_CONTEXT*

●CertEnumCertificatesInStore(hCertStore, pPrevCertContext) = DLL("CRYPT32.dll", "void* CertEnumCertificatesInStore(void*, void*)")
# 呼び出し: CertEnumCertificatesInStore(hCertStore, pPrevCertContext)
# hCertStore : HCERTSTORE -> "void*"
# pPrevCertContext : CERT_CONTEXT* 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)。