ホーム › Security.Cryptography › CertGetCertificateContextProperty
CertGetCertificateContextProperty
関数証明書コンテキストの指定プロパティを取得する。
シグネチャ
// CRYPT32.dll
#include <windows.h>
BOOL CertGetCertificateContextProperty(
const CERT_CONTEXT* pCertContext,
DWORD dwPropId,
void* pvData, // optional
DWORD* pcbData
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| pCertContext | CERT_CONTEXT* | in |
| dwPropId | DWORD | in |
| pvData | void* | outoptional |
| pcbData | DWORD* | inout |
戻り値の型: BOOL
各言語での呼び出し定義
// CRYPT32.dll
#include <windows.h>
BOOL CertGetCertificateContextProperty(
const CERT_CONTEXT* pCertContext,
DWORD dwPropId,
void* pvData, // optional
DWORD* pcbData
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CertGetCertificateContextProperty(
IntPtr pCertContext, // CERT_CONTEXT*
uint dwPropId, // DWORD
IntPtr pvData, // void* optional, out
ref uint pcbData // DWORD* in/out
);<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertGetCertificateContextProperty(
pCertContext As IntPtr, ' CERT_CONTEXT*
dwPropId As UInteger, ' DWORD
pvData As IntPtr, ' void* optional, out
ByRef pcbData As UInteger ' DWORD* in/out
) As Boolean
End Function' pCertContext : CERT_CONTEXT*
' dwPropId : DWORD
' pvData : void* optional, out
' pcbData : DWORD* in/out
Declare PtrSafe Function CertGetCertificateContextProperty Lib "crypt32" ( _
ByVal pCertContext As LongPtr, _
ByVal dwPropId As Long, _
ByVal pvData As LongPtr, _
ByRef pcbData 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
CertGetCertificateContextProperty = ctypes.windll.crypt32.CertGetCertificateContextProperty
CertGetCertificateContextProperty.restype = wintypes.BOOL
CertGetCertificateContextProperty.argtypes = [
ctypes.c_void_p, # pCertContext : CERT_CONTEXT*
wintypes.DWORD, # dwPropId : DWORD
ctypes.POINTER(None), # pvData : void* optional, out
ctypes.POINTER(wintypes.DWORD), # pcbData : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CRYPT32.dll')
CertGetCertificateContextProperty = Fiddle::Function.new(
lib['CertGetCertificateContextProperty'],
[
Fiddle::TYPE_VOIDP, # pCertContext : CERT_CONTEXT*
-Fiddle::TYPE_INT, # dwPropId : DWORD
Fiddle::TYPE_VOIDP, # pvData : void* optional, out
Fiddle::TYPE_VOIDP, # pcbData : DWORD* in/out
],
Fiddle::TYPE_INT)#[link(name = "crypt32")]
extern "system" {
fn CertGetCertificateContextProperty(
pCertContext: *const CERT_CONTEXT, // CERT_CONTEXT*
dwPropId: u32, // DWORD
pvData: *mut (), // void* optional, out
pcbData: *mut u32 // DWORD* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CertGetCertificateContextProperty(IntPtr pCertContext, uint dwPropId, IntPtr pvData, ref uint pcbData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertGetCertificateContextProperty' -Namespace Win32 -PassThru
# $api::CertGetCertificateContextProperty(pCertContext, dwPropId, pvData, pcbData)#uselib "CRYPT32.dll"
#func global CertGetCertificateContextProperty "CertGetCertificateContextProperty" sptr, sptr, sptr, sptr
; CertGetCertificateContextProperty varptr(pCertContext), dwPropId, pvData, varptr(pcbData) ; 戻り値は stat
; pCertContext : CERT_CONTEXT* -> "sptr"
; dwPropId : DWORD -> "sptr"
; pvData : void* optional, out -> "sptr"
; pcbData : 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 CertGetCertificateContextProperty "CertGetCertificateContextProperty" var, int, sptr, var ; res = CertGetCertificateContextProperty(pCertContext, dwPropId, pvData, pcbData) ; pCertContext : CERT_CONTEXT* -> "var" ; dwPropId : DWORD -> "int" ; pvData : void* optional, out -> "sptr" ; pcbData : 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。#uselib "CRYPT32.dll" #cfunc global CertGetCertificateContextProperty "CertGetCertificateContextProperty" sptr, int, sptr, sptr ; res = CertGetCertificateContextProperty(varptr(pCertContext), dwPropId, pvData, varptr(pcbData)) ; pCertContext : CERT_CONTEXT* -> "sptr" ; dwPropId : DWORD -> "int" ; pvData : void* optional, out -> "sptr" ; pcbData : DWORD* in/out -> "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:
; BOOL CertGetCertificateContextProperty(CERT_CONTEXT* pCertContext, DWORD dwPropId, void* pvData, DWORD* pcbData) #uselib "CRYPT32.dll" #cfunc global CertGetCertificateContextProperty "CertGetCertificateContextProperty" var, int, intptr, var ; res = CertGetCertificateContextProperty(pCertContext, dwPropId, pvData, pcbData) ; pCertContext : CERT_CONTEXT* -> "var" ; dwPropId : DWORD -> "int" ; pvData : void* optional, out -> "intptr" ; pcbData : 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。; BOOL CertGetCertificateContextProperty(CERT_CONTEXT* pCertContext, DWORD dwPropId, void* pvData, DWORD* pcbData) #uselib "CRYPT32.dll" #cfunc global CertGetCertificateContextProperty "CertGetCertificateContextProperty" intptr, int, intptr, intptr ; res = CertGetCertificateContextProperty(varptr(pCertContext), dwPropId, pvData, varptr(pcbData)) ; pCertContext : CERT_CONTEXT* -> "intptr" ; dwPropId : DWORD -> "int" ; pvData : void* optional, out -> "intptr" ; pcbData : DWORD* in/out -> "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")
procCertGetCertificateContextProperty = crypt32.NewProc("CertGetCertificateContextProperty")
)
// pCertContext (CERT_CONTEXT*), dwPropId (DWORD), pvData (void* optional, out), pcbData (DWORD* in/out)
r1, _, err := procCertGetCertificateContextProperty.Call(
uintptr(pCertContext),
uintptr(dwPropId),
uintptr(pvData),
uintptr(pcbData),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction CertGetCertificateContextProperty(
pCertContext: Pointer; // CERT_CONTEXT*
dwPropId: DWORD; // DWORD
pvData: Pointer; // void* optional, out
pcbData: Pointer // DWORD* in/out
): BOOL; stdcall;
external 'CRYPT32.dll' name 'CertGetCertificateContextProperty';result := DllCall("CRYPT32\CertGetCertificateContextProperty"
, "Ptr", pCertContext ; CERT_CONTEXT*
, "UInt", dwPropId ; DWORD
, "Ptr", pvData ; void* optional, out
, "Ptr", pcbData ; DWORD* in/out
, "Int") ; return: BOOL●CertGetCertificateContextProperty(pCertContext, dwPropId, pvData, pcbData) = DLL("CRYPT32.dll", "bool CertGetCertificateContextProperty(void*, dword, void*, void*)")
# 呼び出し: CertGetCertificateContextProperty(pCertContext, dwPropId, pvData, pcbData)
# pCertContext : CERT_CONTEXT* -> "void*"
# dwPropId : DWORD -> "dword"
# pvData : void* optional, out -> "void*"
# pcbData : 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)。