Win32 API 日本語リファレンス
ホーム › Security.Cryptography › FindCertsByIssuer

FindCertsByIssuer

関数
指定発行者名に対応するクライアント証明書チェーンを検索する。
DLLWINTRUST.dll呼出規約winapi

シグネチャ

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

HRESULT FindCertsByIssuer(
    CERT_CHAIN* pCertChains,   // optional
    DWORD* pcbCertChains,
    DWORD* pcCertChains,
    BYTE* pbEncodedIssuerName,   // optional
    DWORD cbEncodedIssuerName,
    LPCWSTR pwszPurpose,   // optional
    DWORD dwKeySpec
);

パラメーター

名前型方向説明
pCertChainsCERT_CHAIN*outoptional見つかった証明書チェーンを受け取るCERT_CHAINバッファー。サイズ取得時はNULL可。
pcbCertChainsDWORD*inout入力時はバッファーサイズ、出力時は実際の必要サイズ(バイト)を受け渡すポインター。
pcCertChainsDWORD*out見つかった証明書チェーンの個数を受け取るポインター。
pbEncodedIssuerNameBYTE*inoptional検索条件となるエンコード済み発行者名のバイト列へのポインター。
cbEncodedIssuerNameDWORDinpbEncodedIssuerNameが指すデータのサイズ(バイト単位)。
pwszPurposeLPCWSTRinoptional証明書の用途を示す拡張鍵用途OIDのUnicode文字列へのポインター。
dwKeySpecDWORDin対象とする鍵の種別(AT_KEYEXCHANGE等)。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT FindCertsByIssuer(
    CERT_CHAIN* pCertChains,   // optional
    DWORD* pcbCertChains,
    DWORD* pcCertChains,
    BYTE* pbEncodedIssuerName,   // optional
    DWORD cbEncodedIssuerName,
    LPCWSTR pwszPurpose,   // optional
    DWORD dwKeySpec
);
[DllImport("WINTRUST.dll", ExactSpelling = true)]
static extern int FindCertsByIssuer(
    IntPtr pCertChains,   // CERT_CHAIN* optional, out
    ref uint pcbCertChains,   // DWORD* in/out
    out uint pcCertChains,   // DWORD* out
    IntPtr pbEncodedIssuerName,   // BYTE* optional
    uint cbEncodedIssuerName,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] string pwszPurpose,   // LPCWSTR optional
    uint dwKeySpec   // DWORD
);
<DllImport("WINTRUST.dll", ExactSpelling:=True)>
Public Shared Function FindCertsByIssuer(
    pCertChains As IntPtr,   ' CERT_CHAIN* optional, out
    ByRef pcbCertChains As UInteger,   ' DWORD* in/out
    <Out> ByRef pcCertChains As UInteger,   ' DWORD* out
    pbEncodedIssuerName As IntPtr,   ' BYTE* optional
    cbEncodedIssuerName As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pwszPurpose As String,   ' LPCWSTR optional
    dwKeySpec As UInteger   ' DWORD
) As Integer
End Function
' pCertChains : CERT_CHAIN* optional, out
' pcbCertChains : DWORD* in/out
' pcCertChains : DWORD* out
' pbEncodedIssuerName : BYTE* optional
' cbEncodedIssuerName : DWORD
' pwszPurpose : LPCWSTR optional
' dwKeySpec : DWORD
Declare PtrSafe Function FindCertsByIssuer Lib "wintrust" ( _
    ByVal pCertChains As LongPtr, _
    ByRef pcbCertChains As Long, _
    ByRef pcCertChains As Long, _
    ByVal pbEncodedIssuerName As LongPtr, _
    ByVal cbEncodedIssuerName As Long, _
    ByVal pwszPurpose As LongPtr, _
    ByVal dwKeySpec As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

FindCertsByIssuer = ctypes.windll.wintrust.FindCertsByIssuer
FindCertsByIssuer.restype = ctypes.c_int
FindCertsByIssuer.argtypes = [
    ctypes.c_void_p,  # pCertChains : CERT_CHAIN* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbCertChains : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # pcCertChains : DWORD* out
    ctypes.POINTER(ctypes.c_ubyte),  # pbEncodedIssuerName : BYTE* optional
    wintypes.DWORD,  # cbEncodedIssuerName : DWORD
    wintypes.LPCWSTR,  # pwszPurpose : LPCWSTR optional
    wintypes.DWORD,  # dwKeySpec : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINTRUST.dll')
FindCertsByIssuer = Fiddle::Function.new(
  lib['FindCertsByIssuer'],
  [
    Fiddle::TYPE_VOIDP,  # pCertChains : CERT_CHAIN* optional, out
    Fiddle::TYPE_VOIDP,  # pcbCertChains : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pcCertChains : DWORD* out
    Fiddle::TYPE_VOIDP,  # pbEncodedIssuerName : BYTE* optional
    -Fiddle::TYPE_INT,  # cbEncodedIssuerName : DWORD
    Fiddle::TYPE_VOIDP,  # pwszPurpose : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwKeySpec : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "wintrust")]
extern "system" {
    fn FindCertsByIssuer(
        pCertChains: *mut CERT_CHAIN,  // CERT_CHAIN* optional, out
        pcbCertChains: *mut u32,  // DWORD* in/out
        pcCertChains: *mut u32,  // DWORD* out
        pbEncodedIssuerName: *mut u8,  // BYTE* optional
        cbEncodedIssuerName: u32,  // DWORD
        pwszPurpose: *const u16,  // LPCWSTR optional
        dwKeySpec: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WINTRUST.dll")]
public static extern int FindCertsByIssuer(IntPtr pCertChains, ref uint pcbCertChains, out uint pcCertChains, IntPtr pbEncodedIssuerName, uint cbEncodedIssuerName, [MarshalAs(UnmanagedType.LPWStr)] string pwszPurpose, uint dwKeySpec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINTRUST_FindCertsByIssuer' -Namespace Win32 -PassThru
# $api::FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
#uselib "WINTRUST.dll"
#func global FindCertsByIssuer "FindCertsByIssuer" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; FindCertsByIssuer varptr(pCertChains), varptr(pcbCertChains), varptr(pcCertChains), varptr(pbEncodedIssuerName), cbEncodedIssuerName, pwszPurpose, dwKeySpec   ; 戻り値は stat
; pCertChains : CERT_CHAIN* optional, out -> "sptr"
; pcbCertChains : DWORD* in/out -> "sptr"
; pcCertChains : DWORD* out -> "sptr"
; pbEncodedIssuerName : BYTE* optional -> "sptr"
; cbEncodedIssuerName : DWORD -> "sptr"
; pwszPurpose : LPCWSTR optional -> "sptr"
; dwKeySpec : DWORD -> "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 "WINTRUST.dll"
#cfunc global FindCertsByIssuer "FindCertsByIssuer" var, var, var, var, int, wstr, int
; res = FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
; pCertChains : CERT_CHAIN* optional, out -> "var"
; pcbCertChains : DWORD* in/out -> "var"
; pcCertChains : DWORD* out -> "var"
; pbEncodedIssuerName : BYTE* optional -> "var"
; cbEncodedIssuerName : DWORD -> "int"
; pwszPurpose : LPCWSTR optional -> "wstr"
; dwKeySpec : DWORD -> "int"
; ※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: 
; HRESULT FindCertsByIssuer(CERT_CHAIN* pCertChains, DWORD* pcbCertChains, DWORD* pcCertChains, BYTE* pbEncodedIssuerName, DWORD cbEncodedIssuerName, LPCWSTR pwszPurpose, DWORD dwKeySpec)
#uselib "WINTRUST.dll"
#cfunc global FindCertsByIssuer "FindCertsByIssuer" var, var, var, var, int, wstr, int
; res = FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
; pCertChains : CERT_CHAIN* optional, out -> "var"
; pcbCertChains : DWORD* in/out -> "var"
; pcCertChains : DWORD* out -> "var"
; pbEncodedIssuerName : BYTE* optional -> "var"
; cbEncodedIssuerName : DWORD -> "int"
; pwszPurpose : LPCWSTR optional -> "wstr"
; dwKeySpec : DWORD -> "int"
; ※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 (
	wintrust = windows.NewLazySystemDLL("WINTRUST.dll")
	procFindCertsByIssuer = wintrust.NewProc("FindCertsByIssuer")
)

// pCertChains (CERT_CHAIN* optional, out), pcbCertChains (DWORD* in/out), pcCertChains (DWORD* out), pbEncodedIssuerName (BYTE* optional), cbEncodedIssuerName (DWORD), pwszPurpose (LPCWSTR optional), dwKeySpec (DWORD)
r1, _, err := procFindCertsByIssuer.Call(
	uintptr(pCertChains),
	uintptr(pcbCertChains),
	uintptr(pcCertChains),
	uintptr(pbEncodedIssuerName),
	uintptr(cbEncodedIssuerName),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszPurpose))),
	uintptr(dwKeySpec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function FindCertsByIssuer(
  pCertChains: Pointer;   // CERT_CHAIN* optional, out
  pcbCertChains: Pointer;   // DWORD* in/out
  pcCertChains: Pointer;   // DWORD* out
  pbEncodedIssuerName: Pointer;   // BYTE* optional
  cbEncodedIssuerName: DWORD;   // DWORD
  pwszPurpose: PWideChar;   // LPCWSTR optional
  dwKeySpec: DWORD   // DWORD
): Integer; stdcall;
  external 'WINTRUST.dll' name 'FindCertsByIssuer';
result := DllCall("WINTRUST\FindCertsByIssuer"
    , "Ptr", pCertChains   ; CERT_CHAIN* optional, out
    , "Ptr", pcbCertChains   ; DWORD* in/out
    , "Ptr", pcCertChains   ; DWORD* out
    , "Ptr", pbEncodedIssuerName   ; BYTE* optional
    , "UInt", cbEncodedIssuerName   ; DWORD
    , "WStr", pwszPurpose   ; LPCWSTR optional
    , "UInt", dwKeySpec   ; DWORD
    , "Int")   ; return: HRESULT
●FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec) = DLL("WINTRUST.dll", "int FindCertsByIssuer(void*, void*, void*, void*, dword, char*, dword)")
# 呼び出し: FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
# pCertChains : CERT_CHAIN* optional, out -> "void*"
# pcbCertChains : DWORD* in/out -> "void*"
# pcCertChains : DWORD* out -> "void*"
# pbEncodedIssuerName : BYTE* optional -> "void*"
# cbEncodedIssuerName : DWORD -> "dword"
# pwszPurpose : LPCWSTR optional -> "char*"
# dwKeySpec : DWORD -> "dword"
# 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 "wintrust" fn FindCertsByIssuer(
    pCertChains: [*c]CERT_CHAIN, // CERT_CHAIN* optional, out
    pcbCertChains: [*c]u32, // DWORD* in/out
    pcCertChains: [*c]u32, // DWORD* out
    pbEncodedIssuerName: [*c]u8, // BYTE* optional
    cbEncodedIssuerName: u32, // DWORD
    pwszPurpose: [*c]const u16, // LPCWSTR optional
    dwKeySpec: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
proc FindCertsByIssuer(
    pCertChains: ptr CERT_CHAIN,  # CERT_CHAIN* optional, out
    pcbCertChains: ptr uint32,  # DWORD* in/out
    pcCertChains: ptr uint32,  # DWORD* out
    pbEncodedIssuerName: ptr uint8,  # BYTE* optional
    cbEncodedIssuerName: uint32,  # DWORD
    pwszPurpose: WideCString,  # LPCWSTR optional
    dwKeySpec: uint32  # DWORD
): int32 {.importc: "FindCertsByIssuer", stdcall, dynlib: "WINTRUST.dll".}
pragma(lib, "wintrust");
extern(Windows)
int FindCertsByIssuer(
    CERT_CHAIN* pCertChains,   // CERT_CHAIN* optional, out
    uint* pcbCertChains,   // DWORD* in/out
    uint* pcCertChains,   // DWORD* out
    ubyte* pbEncodedIssuerName,   // BYTE* optional
    uint cbEncodedIssuerName,   // DWORD
    const(wchar)* pwszPurpose,   // LPCWSTR optional
    uint dwKeySpec   // DWORD
);
ccall((:FindCertsByIssuer, "WINTRUST.dll"), stdcall, Int32,
      (Ptr{CERT_CHAIN}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt8}, UInt32, Cwstring, UInt32),
      pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
# pCertChains : CERT_CHAIN* optional, out -> Ptr{CERT_CHAIN}
# pcbCertChains : DWORD* in/out -> Ptr{UInt32}
# pcCertChains : DWORD* out -> Ptr{UInt32}
# pbEncodedIssuerName : BYTE* optional -> Ptr{UInt8}
# cbEncodedIssuerName : DWORD -> UInt32
# pwszPurpose : LPCWSTR optional -> Cwstring
# dwKeySpec : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t FindCertsByIssuer(
    void* pCertChains,
    uint32_t* pcbCertChains,
    uint32_t* pcCertChains,
    uint8_t* pbEncodedIssuerName,
    uint32_t cbEncodedIssuerName,
    const uint16_t* pwszPurpose,
    uint32_t dwKeySpec);
]]
local wintrust = ffi.load("wintrust")
-- wintrust.FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
-- pCertChains : CERT_CHAIN* optional, out
-- pcbCertChains : DWORD* in/out
-- pcCertChains : DWORD* out
-- pbEncodedIssuerName : BYTE* optional
-- cbEncodedIssuerName : DWORD
-- pwszPurpose : LPCWSTR optional
-- dwKeySpec : DWORD
-- 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('WINTRUST.dll');
const FindCertsByIssuer = lib.func('__stdcall', 'FindCertsByIssuer', 'int32_t', ['void *', 'uint32_t *', 'uint32_t *', 'uint8_t *', 'uint32_t', 'str16', 'uint32_t']);
// FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
// pCertChains : CERT_CHAIN* optional, out -> 'void *'
// pcbCertChains : DWORD* in/out -> 'uint32_t *'
// pcCertChains : DWORD* out -> 'uint32_t *'
// pbEncodedIssuerName : BYTE* optional -> 'uint8_t *'
// cbEncodedIssuerName : DWORD -> 'uint32_t'
// pwszPurpose : LPCWSTR optional -> 'str16'
// dwKeySpec : DWORD -> '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("WINTRUST.dll", {
  FindCertsByIssuer: { parameters: ["pointer", "pointer", "pointer", "pointer", "u32", "buffer", "u32"], result: "i32" },
});
// lib.symbols.FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec)
// pCertChains : CERT_CHAIN* optional, out -> "pointer"
// pcbCertChains : DWORD* in/out -> "pointer"
// pcCertChains : DWORD* out -> "pointer"
// pbEncodedIssuerName : BYTE* optional -> "pointer"
// cbEncodedIssuerName : DWORD -> "u32"
// pwszPurpose : LPCWSTR optional -> "buffer"
// dwKeySpec : DWORD -> "u32"
// 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
int32_t FindCertsByIssuer(
    void* pCertChains,
    uint32_t* pcbCertChains,
    uint32_t* pcCertChains,
    uint8_t* pbEncodedIssuerName,
    uint32_t cbEncodedIssuerName,
    const uint16_t* pwszPurpose,
    uint32_t dwKeySpec);
C, "WINTRUST.dll");
// $ffi->FindCertsByIssuer(pCertChains, pcbCertChains, pcCertChains, pbEncodedIssuerName, cbEncodedIssuerName, pwszPurpose, dwKeySpec);
// pCertChains : CERT_CHAIN* optional, out
// pcbCertChains : DWORD* in/out
// pcCertChains : DWORD* out
// pbEncodedIssuerName : BYTE* optional
// cbEncodedIssuerName : DWORD
// pwszPurpose : LPCWSTR optional
// dwKeySpec : DWORD
// 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 Wintrust extends StdCallLibrary {
    Wintrust INSTANCE = Native.load("wintrust", Wintrust.class);
    int FindCertsByIssuer(
        Pointer pCertChains,   // CERT_CHAIN* optional, out
        IntByReference pcbCertChains,   // DWORD* in/out
        IntByReference pcCertChains,   // DWORD* out
        byte[] pbEncodedIssuerName,   // BYTE* optional
        int cbEncodedIssuerName,   // DWORD
        WString pwszPurpose,   // LPCWSTR optional
        int dwKeySpec   // DWORD
    );
}
@[Link("wintrust")]
lib LibWINTRUST
  fun FindCertsByIssuer = FindCertsByIssuer(
    pCertChains : CERT_CHAIN*,   # CERT_CHAIN* optional, out
    pcbCertChains : UInt32*,   # DWORD* in/out
    pcCertChains : UInt32*,   # DWORD* out
    pbEncodedIssuerName : UInt8*,   # BYTE* optional
    cbEncodedIssuerName : UInt32,   # DWORD
    pwszPurpose : UInt16*,   # LPCWSTR optional
    dwKeySpec : UInt32   # DWORD
  ) : Int32
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 FindCertsByIssuerNative = Int32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint8>, Uint32, Pointer<Utf16>, Uint32);
typedef FindCertsByIssuerDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint8>, int, Pointer<Utf16>, int);
final FindCertsByIssuer = DynamicLibrary.open('WINTRUST.dll')
    .lookupFunction<FindCertsByIssuerNative, FindCertsByIssuerDart>('FindCertsByIssuer');
// pCertChains : CERT_CHAIN* optional, out -> Pointer<Void>
// pcbCertChains : DWORD* in/out -> Pointer<Uint32>
// pcCertChains : DWORD* out -> Pointer<Uint32>
// pbEncodedIssuerName : BYTE* optional -> Pointer<Uint8>
// cbEncodedIssuerName : DWORD -> Uint32
// pwszPurpose : LPCWSTR optional -> Pointer<Utf16>
// dwKeySpec : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function FindCertsByIssuer(
  pCertChains: Pointer;   // CERT_CHAIN* optional, out
  pcbCertChains: Pointer;   // DWORD* in/out
  pcCertChains: Pointer;   // DWORD* out
  pbEncodedIssuerName: Pointer;   // BYTE* optional
  cbEncodedIssuerName: DWORD;   // DWORD
  pwszPurpose: PWideChar;   // LPCWSTR optional
  dwKeySpec: DWORD   // DWORD
): Integer; stdcall;
  external 'WINTRUST.dll' name 'FindCertsByIssuer';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "FindCertsByIssuer"
  c_FindCertsByIssuer :: Ptr () -> Ptr Word32 -> Ptr Word32 -> Ptr Word8 -> Word32 -> CWString -> Word32 -> IO Int32
-- pCertChains : CERT_CHAIN* optional, out -> Ptr ()
-- pcbCertChains : DWORD* in/out -> Ptr Word32
-- pcCertChains : DWORD* out -> Ptr Word32
-- pbEncodedIssuerName : BYTE* optional -> Ptr Word8
-- cbEncodedIssuerName : DWORD -> Word32
-- pwszPurpose : LPCWSTR optional -> CWString
-- dwKeySpec : DWORD -> 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 findcertsbyissuer =
  foreign "FindCertsByIssuer"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint16_t) @-> uint32_t @-> returning int32_t)
(* pCertChains : CERT_CHAIN* optional, out -> (ptr void) *)
(* pcbCertChains : DWORD* in/out -> (ptr uint32_t) *)
(* pcCertChains : DWORD* out -> (ptr uint32_t) *)
(* pbEncodedIssuerName : BYTE* optional -> (ptr uint8_t) *)
(* cbEncodedIssuerName : DWORD -> uint32_t *)
(* pwszPurpose : LPCWSTR optional -> (ptr uint16_t) *)
(* dwKeySpec : DWORD -> 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 wintrust (t "WINTRUST.dll"))
(cffi:use-foreign-library wintrust)

(cffi:defcfun ("FindCertsByIssuer" find-certs-by-issuer :convention :stdcall) :int32
  (p-cert-chains :pointer)   ; CERT_CHAIN* optional, out
  (pcb-cert-chains :pointer)   ; DWORD* in/out
  (pc-cert-chains :pointer)   ; DWORD* out
  (pb-encoded-issuer-name :pointer)   ; BYTE* optional
  (cb-encoded-issuer-name :uint32)   ; DWORD
  (pwsz-purpose (:string :encoding :utf-16le))   ; LPCWSTR optional
  (dw-key-spec :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $FindCertsByIssuer = Win32::API::More->new('WINTRUST',
    'int FindCertsByIssuer(LPVOID pCertChains, LPVOID pcbCertChains, LPVOID pcCertChains, LPVOID pbEncodedIssuerName, DWORD cbEncodedIssuerName, LPCWSTR pwszPurpose, DWORD dwKeySpec)');
# my $ret = $FindCertsByIssuer->Call($pCertChains, $pcbCertChains, $pcCertChains, $pbEncodedIssuerName, $cbEncodedIssuerName, $pwszPurpose, $dwKeySpec);
# pCertChains : CERT_CHAIN* optional, out -> LPVOID
# pcbCertChains : DWORD* in/out -> LPVOID
# pcCertChains : DWORD* out -> LPVOID
# pbEncodedIssuerName : BYTE* optional -> LPVOID
# cbEncodedIssuerName : DWORD -> DWORD
# pwszPurpose : LPCWSTR optional -> LPCWSTR
# dwKeySpec : DWORD -> DWORD
# 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

使用する型