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CertGetIssuerCertificateFromStore

関数
ストアからサブジェクト証明書の発行者証明書を取得する。
DLLCRYPT32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降
📘 Microsoft Learn (日本語) · English

シグネチャ

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

CERT_CONTEXT* CertGetIssuerCertificateFromStore(
    HCERTSTORE hCertStore,
    const CERT_CONTEXT* pSubjectContext,
    const CERT_CONTEXT* pPrevIssuerContext,   // optional
    DWORD* pdwFlags
);

パラメーター

名前型方向説明
hCertStoreHCERTSTOREin発行者証明書を検索するストアのハンドル。
pSubjectContextCERT_CONTEXT*in発行者を探す対象のサブジェクト証明書コンテキスト。
pPrevIssuerContextCERT_CONTEXT*inoptional前回返された発行者コンテキスト。最初の検索ではNULLを指定する。NULL可。
pdwFlagsDWORD*inout検証動作を指定し、署名や有効期間の検証結果を受け取るアドレス。

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* CertGetIssuerCertificateFromStore(
    HCERTSTORE hCertStore,
    const CERT_CONTEXT* pSubjectContext,
    const CERT_CONTEXT* pPrevIssuerContext,   // optional
    DWORD* pdwFlags
);
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr CertGetIssuerCertificateFromStore(
    IntPtr hCertStore,   // HCERTSTORE
    IntPtr pSubjectContext,   // CERT_CONTEXT*
    IntPtr pPrevIssuerContext,   // CERT_CONTEXT* optional
    ref uint pdwFlags   // DWORD* in/out
);
<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertGetIssuerCertificateFromStore(
    hCertStore As IntPtr,   ' HCERTSTORE
    pSubjectContext As IntPtr,   ' CERT_CONTEXT*
    pPrevIssuerContext As IntPtr,   ' CERT_CONTEXT* optional
    ByRef pdwFlags As UInteger   ' DWORD* in/out
) As IntPtr
End Function
' hCertStore : HCERTSTORE
' pSubjectContext : CERT_CONTEXT*
' pPrevIssuerContext : CERT_CONTEXT* optional
' pdwFlags : DWORD* in/out
Declare PtrSafe Function CertGetIssuerCertificateFromStore Lib "crypt32" ( _
    ByVal hCertStore As LongPtr, _
    ByVal pSubjectContext As LongPtr, _
    ByVal pPrevIssuerContext 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

CertGetIssuerCertificateFromStore = ctypes.windll.crypt32.CertGetIssuerCertificateFromStore
CertGetIssuerCertificateFromStore.restype = ctypes.c_void_p
CertGetIssuerCertificateFromStore.argtypes = [
    wintypes.HANDLE,  # hCertStore : HCERTSTORE
    ctypes.c_void_p,  # pSubjectContext : CERT_CONTEXT*
    ctypes.c_void_p,  # pPrevIssuerContext : CERT_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')
CertGetIssuerCertificateFromStore = Fiddle::Function.new(
  lib['CertGetIssuerCertificateFromStore'],
  [
    Fiddle::TYPE_VOIDP,  # hCertStore : HCERTSTORE
    Fiddle::TYPE_VOIDP,  # pSubjectContext : CERT_CONTEXT*
    Fiddle::TYPE_VOIDP,  # pPrevIssuerContext : CERT_CONTEXT* optional
    Fiddle::TYPE_VOIDP,  # pdwFlags : DWORD* in/out
  ],
  Fiddle::TYPE_VOIDP)
#[link(name = "crypt32")]
extern "system" {
    fn CertGetIssuerCertificateFromStore(
        hCertStore: *mut core::ffi::c_void,  // HCERTSTORE
        pSubjectContext: *const CERT_CONTEXT,  // CERT_CONTEXT*
        pPrevIssuerContext: *const CERT_CONTEXT,  // CERT_CONTEXT* optional
        pdwFlags: *mut u32  // DWORD* in/out
    ) -> *mut CERT_CONTEXT;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern IntPtr CertGetIssuerCertificateFromStore(IntPtr hCertStore, IntPtr pSubjectContext, IntPtr pPrevIssuerContext, ref uint pdwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetIssuerCertificateFromStore' -Namespace Win32 -PassThru
# $api::CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
#uselib "CRYPT32.dll"
#func global CertGetIssuerCertificateFromStore "CertGetIssuerCertificateFromStore" sptr, sptr, sptr, sptr
; CertGetIssuerCertificateFromStore hCertStore, varptr(pSubjectContext), varptr(pPrevIssuerContext), varptr(pdwFlags)   ; 戻り値は stat
; hCertStore : HCERTSTORE -> "sptr"
; pSubjectContext : CERT_CONTEXT* -> "sptr"
; pPrevIssuerContext : CERT_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 CertGetIssuerCertificateFromStore "CertGetIssuerCertificateFromStore" sptr, var, var, var
; res = CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
; hCertStore : HCERTSTORE -> "sptr"
; pSubjectContext : CERT_CONTEXT* -> "var"
; pPrevIssuerContext : CERT_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。
出力引数: 
; CERT_CONTEXT* CertGetIssuerCertificateFromStore(HCERTSTORE hCertStore, CERT_CONTEXT* pSubjectContext, CERT_CONTEXT* pPrevIssuerContext, DWORD* pdwFlags)
#uselib "CRYPT32.dll"
#cfunc global CertGetIssuerCertificateFromStore "CertGetIssuerCertificateFromStore" intptr, var, var, var
; res = CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
; hCertStore : HCERTSTORE -> "intptr"
; pSubjectContext : CERT_CONTEXT* -> "var"
; pPrevIssuerContext : CERT_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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertGetIssuerCertificateFromStore = crypt32.NewProc("CertGetIssuerCertificateFromStore")
)

// hCertStore (HCERTSTORE), pSubjectContext (CERT_CONTEXT*), pPrevIssuerContext (CERT_CONTEXT* optional), pdwFlags (DWORD* in/out)
r1, _, err := procCertGetIssuerCertificateFromStore.Call(
	uintptr(hCertStore),
	uintptr(pSubjectContext),
	uintptr(pPrevIssuerContext),
	uintptr(pdwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CERT_CONTEXT*
function CertGetIssuerCertificateFromStore(
  hCertStore: THandle;   // HCERTSTORE
  pSubjectContext: Pointer;   // CERT_CONTEXT*
  pPrevIssuerContext: Pointer;   // CERT_CONTEXT* optional
  pdwFlags: Pointer   // DWORD* in/out
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertGetIssuerCertificateFromStore';
result := DllCall("CRYPT32\CertGetIssuerCertificateFromStore"
    , "Ptr", hCertStore   ; HCERTSTORE
    , "Ptr", pSubjectContext   ; CERT_CONTEXT*
    , "Ptr", pPrevIssuerContext   ; CERT_CONTEXT* optional
    , "Ptr", pdwFlags   ; DWORD* in/out
    , "Ptr")   ; return: CERT_CONTEXT*
●CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags) = DLL("CRYPT32.dll", "void* CertGetIssuerCertificateFromStore(void*, void*, void*, void*)")
# 呼び出し: CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
# hCertStore : HCERTSTORE -> "void*"
# pSubjectContext : CERT_CONTEXT* -> "void*"
# pPrevIssuerContext : CERT_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)。
const std = @import("std");

extern "crypt32" fn CertGetIssuerCertificateFromStore(
    hCertStore: ?*anyopaque, // HCERTSTORE
    pSubjectContext: [*c]CERT_CONTEXT, // CERT_CONTEXT*
    pPrevIssuerContext: [*c]CERT_CONTEXT, // CERT_CONTEXT* optional
    pdwFlags: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) [*c]CERT_CONTEXT;
proc CertGetIssuerCertificateFromStore(
    hCertStore: pointer,  # HCERTSTORE
    pSubjectContext: ptr CERT_CONTEXT,  # CERT_CONTEXT*
    pPrevIssuerContext: ptr CERT_CONTEXT,  # CERT_CONTEXT* optional
    pdwFlags: ptr uint32  # DWORD* in/out
): ptr CERT_CONTEXT {.importc: "CertGetIssuerCertificateFromStore", stdcall, dynlib: "CRYPT32.dll".}
pragma(lib, "crypt32");
extern(Windows)
CERT_CONTEXT* CertGetIssuerCertificateFromStore(
    void* hCertStore,   // HCERTSTORE
    CERT_CONTEXT* pSubjectContext,   // CERT_CONTEXT*
    CERT_CONTEXT* pPrevIssuerContext,   // CERT_CONTEXT* optional
    uint* pdwFlags   // DWORD* in/out
);
ccall((:CertGetIssuerCertificateFromStore, "CRYPT32.dll"), stdcall, Ptr{CERT_CONTEXT},
      (Ptr{Cvoid}, Ptr{CERT_CONTEXT}, Ptr{CERT_CONTEXT}, Ptr{UInt32}),
      hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
# hCertStore : HCERTSTORE -> Ptr{Cvoid}
# pSubjectContext : CERT_CONTEXT* -> Ptr{CERT_CONTEXT}
# pPrevIssuerContext : CERT_CONTEXT* optional -> Ptr{CERT_CONTEXT}
# pdwFlags : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
void* CertGetIssuerCertificateFromStore(
    void* hCertStore,
    void* pSubjectContext,
    void* pPrevIssuerContext,
    uint32_t* pdwFlags);
]]
local crypt32 = ffi.load("crypt32")
-- crypt32.CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
-- hCertStore : HCERTSTORE
-- pSubjectContext : CERT_CONTEXT*
-- pPrevIssuerContext : CERT_CONTEXT* optional
-- pdwFlags : DWORD* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('CRYPT32.dll');
const CertGetIssuerCertificateFromStore = lib.func('__stdcall', 'CertGetIssuerCertificateFromStore', 'void *', ['void *', 'void *', 'void *', 'uint32_t *']);
// CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
// hCertStore : HCERTSTORE -> 'void *'
// pSubjectContext : CERT_CONTEXT* -> 'void *'
// pPrevIssuerContext : CERT_CONTEXT* optional -> 'void *'
// pdwFlags : DWORD* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("CRYPT32.dll", {
  CertGetIssuerCertificateFromStore: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "pointer" },
});
// lib.symbols.CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags)
// hCertStore : HCERTSTORE -> "pointer"
// pSubjectContext : CERT_CONTEXT* -> "pointer"
// pPrevIssuerContext : CERT_CONTEXT* optional -> "pointer"
// pdwFlags : DWORD* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
void* CertGetIssuerCertificateFromStore(
    void* hCertStore,
    void* pSubjectContext,
    void* pPrevIssuerContext,
    uint32_t* pdwFlags);
C, "CRYPT32.dll");
// $ffi->CertGetIssuerCertificateFromStore(hCertStore, pSubjectContext, pPrevIssuerContext, pdwFlags);
// hCertStore : HCERTSTORE
// pSubjectContext : CERT_CONTEXT*
// pPrevIssuerContext : CERT_CONTEXT* optional
// pdwFlags : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Crypt32 extends StdCallLibrary {
    Crypt32 INSTANCE = Native.load("crypt32", Crypt32.class);
    Pointer CertGetIssuerCertificateFromStore(
        Pointer hCertStore,   // HCERTSTORE
        Pointer pSubjectContext,   // CERT_CONTEXT*
        Pointer pPrevIssuerContext,   // CERT_CONTEXT* optional
        IntByReference pdwFlags   // DWORD* in/out
    );
}
@[Link("crypt32")]
lib LibCRYPT32
  fun CertGetIssuerCertificateFromStore = CertGetIssuerCertificateFromStore(
    hCertStore : Void*,   # HCERTSTORE
    pSubjectContext : CERT_CONTEXT*,   # CERT_CONTEXT*
    pPrevIssuerContext : CERT_CONTEXT*,   # CERT_CONTEXT* optional
    pdwFlags : UInt32*   # DWORD* in/out
  ) : CERT_CONTEXT*
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef CertGetIssuerCertificateFromStoreNative = Pointer<Void> Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint32>);
typedef CertGetIssuerCertificateFromStoreDart = Pointer<Void> Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint32>);
final CertGetIssuerCertificateFromStore = DynamicLibrary.open('CRYPT32.dll')
    .lookupFunction<CertGetIssuerCertificateFromStoreNative, CertGetIssuerCertificateFromStoreDart>('CertGetIssuerCertificateFromStore');
// hCertStore : HCERTSTORE -> Pointer<Void>
// pSubjectContext : CERT_CONTEXT* -> Pointer<Void>
// pPrevIssuerContext : CERT_CONTEXT* optional -> Pointer<Void>
// pdwFlags : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function CertGetIssuerCertificateFromStore(
  hCertStore: THandle;   // HCERTSTORE
  pSubjectContext: Pointer;   // CERT_CONTEXT*
  pPrevIssuerContext: Pointer;   // CERT_CONTEXT* optional
  pdwFlags: Pointer   // DWORD* in/out
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertGetIssuerCertificateFromStore';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CertGetIssuerCertificateFromStore"
  c_CertGetIssuerCertificateFromStore :: Ptr () -> Ptr () -> Ptr () -> Ptr Word32 -> IO (Ptr ())
-- hCertStore : HCERTSTORE -> Ptr ()
-- pSubjectContext : CERT_CONTEXT* -> Ptr ()
-- pPrevIssuerContext : CERT_CONTEXT* optional -> Ptr ()
-- pdwFlags : DWORD* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let certgetissuercertificatefromstore =
  foreign "CertGetIssuerCertificateFromStore"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr uint32_t) @-> returning (ptr void))
(* hCertStore : HCERTSTORE -> (ptr void) *)
(* pSubjectContext : CERT_CONTEXT* -> (ptr void) *)
(* pPrevIssuerContext : CERT_CONTEXT* optional -> (ptr void) *)
(* pdwFlags : DWORD* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library crypt32 (t "CRYPT32.dll"))
(cffi:use-foreign-library crypt32)

(cffi:defcfun ("CertGetIssuerCertificateFromStore" cert-get-issuer-certificate-from-store :convention :stdcall) :pointer
  (h-cert-store :pointer)   ; HCERTSTORE
  (p-subject-context :pointer)   ; CERT_CONTEXT*
  (p-prev-issuer-context :pointer)   ; CERT_CONTEXT* optional
  (pdw-flags :pointer))   ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $CertGetIssuerCertificateFromStore = Win32::API::More->new('CRYPT32',
    'LPVOID CertGetIssuerCertificateFromStore(HANDLE hCertStore, LPVOID pSubjectContext, LPVOID pPrevIssuerContext, LPVOID pdwFlags)');
# my $ret = $CertGetIssuerCertificateFromStore->Call($hCertStore, $pSubjectContext, $pPrevIssuerContext, $pdwFlags);
# hCertStore : HCERTSTORE -> HANDLE
# pSubjectContext : CERT_CONTEXT* -> LPVOID
# pPrevIssuerContext : CERT_CONTEXT* optional -> LPVOID
# pdwFlags : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

関連項目

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