ホーム › Security.WinTrust › WTHelperGetProvCertFromChain

WTHelperGetProvCertFromChain

関数

署名者の証明書チェーンから指定証明書を取得する。

DLLWINTRUST.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

CRYPT_PROVIDER_CERT* WTHelperGetProvCertFromChain(
    CRYPT_PROVIDER_SGNR* pSgnr,
    DWORD idxCert
);

パラメーター

名前	型	方向
pSgnr	CRYPT_PROVIDER_SGNR*	inout
idxCert	DWORD	in

戻り値の型: CRYPT_PROVIDER_CERT*

各言語での呼び出し定義

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

CRYPT_PROVIDER_CERT* WTHelperGetProvCertFromChain(
    CRYPT_PROVIDER_SGNR* pSgnr,
    DWORD idxCert
);

[DllImport("WINTRUST.dll", ExactSpelling = true)]
static extern IntPtr WTHelperGetProvCertFromChain(
    IntPtr pSgnr,   // CRYPT_PROVIDER_SGNR* in/out
    uint idxCert   // DWORD
);

<DllImport("WINTRUST.dll", ExactSpelling:=True)>
Public Shared Function WTHelperGetProvCertFromChain(
    pSgnr As IntPtr,   ' CRYPT_PROVIDER_SGNR* in/out
    idxCert As UInteger   ' DWORD
) As IntPtr
End Function

' pSgnr : CRYPT_PROVIDER_SGNR* in/out
' idxCert : DWORD
Declare PtrSafe Function WTHelperGetProvCertFromChain Lib "wintrust" ( _
    ByVal pSgnr As LongPtr, _
    ByVal idxCert 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

WTHelperGetProvCertFromChain = ctypes.windll.wintrust.WTHelperGetProvCertFromChain
WTHelperGetProvCertFromChain.restype = ctypes.c_void_p
WTHelperGetProvCertFromChain.argtypes = [
    ctypes.c_void_p,  # pSgnr : CRYPT_PROVIDER_SGNR* in/out
    wintypes.DWORD,  # idxCert : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINTRUST.dll')
WTHelperGetProvCertFromChain = Fiddle::Function.new(
  lib['WTHelperGetProvCertFromChain'],
  [
    Fiddle::TYPE_VOIDP,  # pSgnr : CRYPT_PROVIDER_SGNR* in/out
    -Fiddle::TYPE_INT,  # idxCert : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "wintrust")]
extern "system" {
    fn WTHelperGetProvCertFromChain(
        pSgnr: *mut CRYPT_PROVIDER_SGNR,  // CRYPT_PROVIDER_SGNR* in/out
        idxCert: u32  // DWORD
    ) -> *mut CRYPT_PROVIDER_CERT;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINTRUST.dll")]
public static extern IntPtr WTHelperGetProvCertFromChain(IntPtr pSgnr, uint idxCert);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINTRUST_WTHelperGetProvCertFromChain' -Namespace Win32 -PassThru
# $api::WTHelperGetProvCertFromChain(pSgnr, idxCert)

#uselib "WINTRUST.dll"
#func global WTHelperGetProvCertFromChain "WTHelperGetProvCertFromChain" sptr, sptr
; WTHelperGetProvCertFromChain varptr(pSgnr), idxCert   ; 戻り値は stat
; pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "sptr"
; idxCert : 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 WTHelperGetProvCertFromChain "WTHelperGetProvCertFromChain" var, int
; res = WTHelperGetProvCertFromChain(pSgnr, idxCert)
; pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "var"
; idxCert : 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。#uselib "WINTRUST.dll"
#cfunc global WTHelperGetProvCertFromChain "WTHelperGetProvCertFromChain" sptr, int
; res = WTHelperGetProvCertFromChain(varptr(pSgnr), idxCert)
; pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "sptr"
; idxCert : DWORD -> "int"
; ※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:

; CRYPT_PROVIDER_CERT* WTHelperGetProvCertFromChain(CRYPT_PROVIDER_SGNR* pSgnr, DWORD idxCert)
#uselib "WINTRUST.dll"
#cfunc global WTHelperGetProvCertFromChain "WTHelperGetProvCertFromChain" var, int
; res = WTHelperGetProvCertFromChain(pSgnr, idxCert)
; pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "var"
; idxCert : 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。; CRYPT_PROVIDER_CERT* WTHelperGetProvCertFromChain(CRYPT_PROVIDER_SGNR* pSgnr, DWORD idxCert)
#uselib "WINTRUST.dll"
#cfunc global WTHelperGetProvCertFromChain "WTHelperGetProvCertFromChain" intptr, int
; res = WTHelperGetProvCertFromChain(varptr(pSgnr), idxCert)
; pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "intptr"
; idxCert : DWORD -> "int"
; ※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 (
	wintrust = windows.NewLazySystemDLL("WINTRUST.dll")
	procWTHelperGetProvCertFromChain = wintrust.NewProc("WTHelperGetProvCertFromChain")
)

// pSgnr (CRYPT_PROVIDER_SGNR* in/out), idxCert (DWORD)
r1, _, err := procWTHelperGetProvCertFromChain.Call(
	uintptr(pSgnr),
	uintptr(idxCert),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CRYPT_PROVIDER_CERT*

function WTHelperGetProvCertFromChain(
  pSgnr: Pointer;   // CRYPT_PROVIDER_SGNR* in/out
  idxCert: DWORD   // DWORD
): Pointer; stdcall;
  external 'WINTRUST.dll' name 'WTHelperGetProvCertFromChain';

result := DllCall("WINTRUST\WTHelperGetProvCertFromChain"
    , "Ptr", pSgnr   ; CRYPT_PROVIDER_SGNR* in/out
    , "UInt", idxCert   ; DWORD
    , "Ptr")   ; return: CRYPT_PROVIDER_CERT*

●WTHelperGetProvCertFromChain(pSgnr, idxCert) = DLL("WINTRUST.dll", "void* WTHelperGetProvCertFromChain(void*, dword)")
# 呼び出し: WTHelperGetProvCertFromChain(pSgnr, idxCert)
# pSgnr : CRYPT_PROVIDER_SGNR* in/out -> "void*"
# idxCert : 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)。