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CertFindCertificateInStore

関数

指定条件に合致する証明書をストアから検索する。

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* CertFindCertificateInStore(
    HCERTSTORE hCertStore,
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    DWORD dwFindFlags,
    CERT_FIND_FLAGS dwFindType,
    const void* pvFindPara,   // optional
    const CERT_CONTEXT* pPrevCertContext   // optional
);

パラメーター

名前	型	方向
hCertStore	HCERTSTORE	in
dwCertEncodingType	CERT_QUERY_ENCODING_TYPE	in
dwFindFlags	DWORD	in
dwFindType	CERT_FIND_FLAGS	in
pvFindPara	void*	inoptional
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* CertFindCertificateInStore(
    HCERTSTORE hCertStore,
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    DWORD dwFindFlags,
    CERT_FIND_FLAGS dwFindType,
    const void* pvFindPara,   // optional
    const CERT_CONTEXT* pPrevCertContext   // optional
);

[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr CertFindCertificateInStore(
    IntPtr hCertStore,   // HCERTSTORE
    uint dwCertEncodingType,   // CERT_QUERY_ENCODING_TYPE
    uint dwFindFlags,   // DWORD
    uint dwFindType,   // CERT_FIND_FLAGS
    IntPtr pvFindPara,   // void* optional
    IntPtr pPrevCertContext   // CERT_CONTEXT* optional
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertFindCertificateInStore(
    hCertStore As IntPtr,   ' HCERTSTORE
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    dwFindFlags As UInteger,   ' DWORD
    dwFindType As UInteger,   ' CERT_FIND_FLAGS
    pvFindPara As IntPtr,   ' void* optional
    pPrevCertContext As IntPtr   ' CERT_CONTEXT* optional
) As IntPtr
End Function

' hCertStore : HCERTSTORE
' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' dwFindFlags : DWORD
' dwFindType : CERT_FIND_FLAGS
' pvFindPara : void* optional
' pPrevCertContext : CERT_CONTEXT* optional
Declare PtrSafe Function CertFindCertificateInStore Lib "crypt32" ( _
    ByVal hCertStore As LongPtr, _
    ByVal dwCertEncodingType As Long, _
    ByVal dwFindFlags As Long, _
    ByVal dwFindType As Long, _
    ByVal pvFindPara 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

CertFindCertificateInStore = ctypes.windll.crypt32.CertFindCertificateInStore
CertFindCertificateInStore.restype = ctypes.c_void_p
CertFindCertificateInStore.argtypes = [
    wintypes.HANDLE,  # hCertStore : HCERTSTORE
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    wintypes.DWORD,  # dwFindFlags : DWORD
    wintypes.DWORD,  # dwFindType : CERT_FIND_FLAGS
    ctypes.POINTER(None),  # pvFindPara : void* optional
    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')
CertFindCertificateInStore = Fiddle::Function.new(
  lib['CertFindCertificateInStore'],
  [
    Fiddle::TYPE_VOIDP,  # hCertStore : HCERTSTORE
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    -Fiddle::TYPE_INT,  # dwFindFlags : DWORD
    -Fiddle::TYPE_INT,  # dwFindType : CERT_FIND_FLAGS
    Fiddle::TYPE_VOIDP,  # pvFindPara : void* optional
    Fiddle::TYPE_VOIDP,  # pPrevCertContext : CERT_CONTEXT* optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "crypt32")]
extern "system" {
    fn CertFindCertificateInStore(
        hCertStore: *mut core::ffi::c_void,  // HCERTSTORE
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        dwFindFlags: u32,  // DWORD
        dwFindType: u32,  // CERT_FIND_FLAGS
        pvFindPara: *const (),  // void* optional
        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 CertFindCertificateInStore(IntPtr hCertStore, uint dwCertEncodingType, uint dwFindFlags, uint dwFindType, IntPtr pvFindPara, IntPtr pPrevCertContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertFindCertificateInStore' -Namespace Win32 -PassThru
# $api::CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, pPrevCertContext)

#uselib "CRYPT32.dll"
#func global CertFindCertificateInStore "CertFindCertificateInStore" sptr, sptr, sptr, sptr, sptr, sptr
; CertFindCertificateInStore hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, varptr(pPrevCertContext)   ; 戻り値は stat
; hCertStore : HCERTSTORE -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; dwFindFlags : DWORD -> "sptr"
; dwFindType : CERT_FIND_FLAGS -> "sptr"
; pvFindPara : void* optional -> "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 CertFindCertificateInStore "CertFindCertificateInStore" sptr, int, int, int, sptr, var
; res = CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, pPrevCertContext)
; hCertStore : HCERTSTORE -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFindFlags : DWORD -> "int"
; dwFindType : CERT_FIND_FLAGS -> "int"
; pvFindPara : void* optional -> "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 CertFindCertificateInStore "CertFindCertificateInStore" sptr, int, int, int, sptr, sptr
; res = CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, varptr(pPrevCertContext))
; hCertStore : HCERTSTORE -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFindFlags : DWORD -> "int"
; dwFindType : CERT_FIND_FLAGS -> "int"
; pvFindPara : void* optional -> "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* CertFindCertificateInStore(HCERTSTORE hCertStore, CERT_QUERY_ENCODING_TYPE dwCertEncodingType, DWORD dwFindFlags, CERT_FIND_FLAGS dwFindType, void* pvFindPara, CERT_CONTEXT* pPrevCertContext)
#uselib "CRYPT32.dll"
#cfunc global CertFindCertificateInStore "CertFindCertificateInStore" intptr, int, int, int, intptr, var
; res = CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, pPrevCertContext)
; hCertStore : HCERTSTORE -> "intptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFindFlags : DWORD -> "int"
; dwFindType : CERT_FIND_FLAGS -> "int"
; pvFindPara : void* optional -> "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* CertFindCertificateInStore(HCERTSTORE hCertStore, CERT_QUERY_ENCODING_TYPE dwCertEncodingType, DWORD dwFindFlags, CERT_FIND_FLAGS dwFindType, void* pvFindPara, CERT_CONTEXT* pPrevCertContext)
#uselib "CRYPT32.dll"
#cfunc global CertFindCertificateInStore "CertFindCertificateInStore" intptr, int, int, int, intptr, intptr
; res = CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, varptr(pPrevCertContext))
; hCertStore : HCERTSTORE -> "intptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFindFlags : DWORD -> "int"
; dwFindType : CERT_FIND_FLAGS -> "int"
; pvFindPara : void* optional -> "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")
	procCertFindCertificateInStore = crypt32.NewProc("CertFindCertificateInStore")
)

// hCertStore (HCERTSTORE), dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), dwFindFlags (DWORD), dwFindType (CERT_FIND_FLAGS), pvFindPara (void* optional), pPrevCertContext (CERT_CONTEXT* optional)
r1, _, err := procCertFindCertificateInStore.Call(
	uintptr(hCertStore),
	uintptr(dwCertEncodingType),
	uintptr(dwFindFlags),
	uintptr(dwFindType),
	uintptr(pvFindPara),
	uintptr(pPrevCertContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CERT_CONTEXT*

function CertFindCertificateInStore(
  hCertStore: THandle;   // HCERTSTORE
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  dwFindFlags: DWORD;   // DWORD
  dwFindType: DWORD;   // CERT_FIND_FLAGS
  pvFindPara: Pointer;   // void* optional
  pPrevCertContext: Pointer   // CERT_CONTEXT* optional
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertFindCertificateInStore';

result := DllCall("CRYPT32\CertFindCertificateInStore"
    , "Ptr", hCertStore   ; HCERTSTORE
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "UInt", dwFindFlags   ; DWORD
    , "UInt", dwFindType   ; CERT_FIND_FLAGS
    , "Ptr", pvFindPara   ; void* optional
    , "Ptr", pPrevCertContext   ; CERT_CONTEXT* optional
    , "Ptr")   ; return: CERT_CONTEXT*

●CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, pPrevCertContext) = DLL("CRYPT32.dll", "void* CertFindCertificateInStore(void*, dword, dword, dword, void*, void*)")
# 呼び出し: CertFindCertificateInStore(hCertStore, dwCertEncodingType, dwFindFlags, dwFindType, pvFindPara, pPrevCertContext)
# hCertStore : HCERTSTORE -> "void*"
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# dwFindFlags : DWORD -> "dword"
# dwFindType : CERT_FIND_FLAGS -> "dword"
# pvFindPara : void* optional -> "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)。