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CertCreateCRLContext

関数

エンコードされたCRLからCRLコンテキストを作成する。

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>

CRL_CONTEXT* CertCreateCRLContext(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    const BYTE* pbCrlEncoded,
    DWORD cbCrlEncoded
);

パラメーター

名前	型	方向
dwCertEncodingType	CERT_QUERY_ENCODING_TYPE	in
pbCrlEncoded	BYTE*	in
cbCrlEncoded	DWORD	in

戻り値の型: CRL_CONTEXT*

各言語での呼び出し定義

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

CRL_CONTEXT* CertCreateCRLContext(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    const BYTE* pbCrlEncoded,
    DWORD cbCrlEncoded
);

[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr CertCreateCRLContext(
    uint dwCertEncodingType,   // CERT_QUERY_ENCODING_TYPE
    IntPtr pbCrlEncoded,   // BYTE*
    uint cbCrlEncoded   // DWORD
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertCreateCRLContext(
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    pbCrlEncoded As IntPtr,   ' BYTE*
    cbCrlEncoded As UInteger   ' DWORD
) As IntPtr
End Function

' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pbCrlEncoded : BYTE*
' cbCrlEncoded : DWORD
Declare PtrSafe Function CertCreateCRLContext Lib "crypt32" ( _
    ByVal dwCertEncodingType As Long, _
    ByVal pbCrlEncoded As LongPtr, _
    ByVal cbCrlEncoded 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

CertCreateCRLContext = ctypes.windll.crypt32.CertCreateCRLContext
CertCreateCRLContext.restype = ctypes.c_void_p
CertCreateCRLContext.argtypes = [
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    ctypes.POINTER(ctypes.c_ubyte),  # pbCrlEncoded : BYTE*
    wintypes.DWORD,  # cbCrlEncoded : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertCreateCRLContext = Fiddle::Function.new(
  lib['CertCreateCRLContext'],
  [
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    Fiddle::TYPE_VOIDP,  # pbCrlEncoded : BYTE*
    -Fiddle::TYPE_INT,  # cbCrlEncoded : DWORD
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "crypt32")]
extern "system" {
    fn CertCreateCRLContext(
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        pbCrlEncoded: *const u8,  // BYTE*
        cbCrlEncoded: u32  // DWORD
    ) -> *mut CRL_CONTEXT;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern IntPtr CertCreateCRLContext(uint dwCertEncodingType, IntPtr pbCrlEncoded, uint cbCrlEncoded);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertCreateCRLContext' -Namespace Win32 -PassThru
# $api::CertCreateCRLContext(dwCertEncodingType, pbCrlEncoded, cbCrlEncoded)

#uselib "CRYPT32.dll"
#func global CertCreateCRLContext "CertCreateCRLContext" sptr, sptr, sptr
; CertCreateCRLContext dwCertEncodingType, varptr(pbCrlEncoded), cbCrlEncoded   ; 戻り値は stat
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; pbCrlEncoded : BYTE* -> "sptr"
; cbCrlEncoded : 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 "CRYPT32.dll"
#cfunc global CertCreateCRLContext "CertCreateCRLContext" int, var, int
; res = CertCreateCRLContext(dwCertEncodingType, pbCrlEncoded, cbCrlEncoded)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pbCrlEncoded : BYTE* -> "var"
; cbCrlEncoded : 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 "CRYPT32.dll"
#cfunc global CertCreateCRLContext "CertCreateCRLContext" int, sptr, int
; res = CertCreateCRLContext(dwCertEncodingType, varptr(pbCrlEncoded), cbCrlEncoded)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pbCrlEncoded : BYTE* -> "sptr"
; cbCrlEncoded : 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:

; CRL_CONTEXT* CertCreateCRLContext(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, BYTE* pbCrlEncoded, DWORD cbCrlEncoded)
#uselib "CRYPT32.dll"
#cfunc global CertCreateCRLContext "CertCreateCRLContext" int, var, int
; res = CertCreateCRLContext(dwCertEncodingType, pbCrlEncoded, cbCrlEncoded)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pbCrlEncoded : BYTE* -> "var"
; cbCrlEncoded : 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。; CRL_CONTEXT* CertCreateCRLContext(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, BYTE* pbCrlEncoded, DWORD cbCrlEncoded)
#uselib "CRYPT32.dll"
#cfunc global CertCreateCRLContext "CertCreateCRLContext" int, intptr, int
; res = CertCreateCRLContext(dwCertEncodingType, varptr(pbCrlEncoded), cbCrlEncoded)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pbCrlEncoded : BYTE* -> "intptr"
; cbCrlEncoded : 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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertCreateCRLContext = crypt32.NewProc("CertCreateCRLContext")
)

// dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), pbCrlEncoded (BYTE*), cbCrlEncoded (DWORD)
r1, _, err := procCertCreateCRLContext.Call(
	uintptr(dwCertEncodingType),
	uintptr(pbCrlEncoded),
	uintptr(cbCrlEncoded),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // CRL_CONTEXT*

function CertCreateCRLContext(
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  pbCrlEncoded: Pointer;   // BYTE*
  cbCrlEncoded: DWORD   // DWORD
): Pointer; stdcall;
  external 'CRYPT32.dll' name 'CertCreateCRLContext';

result := DllCall("CRYPT32\CertCreateCRLContext"
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "Ptr", pbCrlEncoded   ; BYTE*
    , "UInt", cbCrlEncoded   ; DWORD
    , "Ptr")   ; return: CRL_CONTEXT*

●CertCreateCRLContext(dwCertEncodingType, pbCrlEncoded, cbCrlEncoded) = DLL("CRYPT32.dll", "void* CertCreateCRLContext(dword, void*, dword)")
# 呼び出し: CertCreateCRLContext(dwCertEncodingType, pbCrlEncoded, cbCrlEncoded)
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pbCrlEncoded : BYTE* -> "void*"
# cbCrlEncoded : 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)。