ホーム › Security.Cryptography › CertCompareIntegerBlob

CertCompareIntegerBlob

関数

2つの整数BLOBの値を符号付きで比較する。

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>

BOOL CertCompareIntegerBlob(
    CRYPT_INTEGER_BLOB* pInt1,
    CRYPT_INTEGER_BLOB* pInt2
);

パラメーター

名前	型	方向
pInt1	CRYPT_INTEGER_BLOB*	in
pInt2	CRYPT_INTEGER_BLOB*	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CertCompareIntegerBlob(
    CRYPT_INTEGER_BLOB* pInt1,
    CRYPT_INTEGER_BLOB* pInt2
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CertCompareIntegerBlob(
    IntPtr pInt1,   // CRYPT_INTEGER_BLOB*
    IntPtr pInt2   // CRYPT_INTEGER_BLOB*
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertCompareIntegerBlob(
    pInt1 As IntPtr,   ' CRYPT_INTEGER_BLOB*
    pInt2 As IntPtr   ' CRYPT_INTEGER_BLOB*
) As Boolean
End Function

' pInt1 : CRYPT_INTEGER_BLOB*
' pInt2 : CRYPT_INTEGER_BLOB*
Declare PtrSafe Function CertCompareIntegerBlob Lib "crypt32" ( _
    ByVal pInt1 As LongPtr, _
    ByVal pInt2 As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertCompareIntegerBlob = ctypes.windll.crypt32.CertCompareIntegerBlob
CertCompareIntegerBlob.restype = wintypes.BOOL
CertCompareIntegerBlob.argtypes = [
    ctypes.c_void_p,  # pInt1 : CRYPT_INTEGER_BLOB*
    ctypes.c_void_p,  # pInt2 : CRYPT_INTEGER_BLOB*
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertCompareIntegerBlob = Fiddle::Function.new(
  lib['CertCompareIntegerBlob'],
  [
    Fiddle::TYPE_VOIDP,  # pInt1 : CRYPT_INTEGER_BLOB*
    Fiddle::TYPE_VOIDP,  # pInt2 : CRYPT_INTEGER_BLOB*
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertCompareIntegerBlob(
        pInt1: *mut CRYPT_INTEGER_BLOB,  // CRYPT_INTEGER_BLOB*
        pInt2: *mut CRYPT_INTEGER_BLOB  // CRYPT_INTEGER_BLOB*
    ) -> 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 CertCompareIntegerBlob(IntPtr pInt1, IntPtr pInt2);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertCompareIntegerBlob' -Namespace Win32 -PassThru
# $api::CertCompareIntegerBlob(pInt1, pInt2)

#uselib "CRYPT32.dll"
#func global CertCompareIntegerBlob "CertCompareIntegerBlob" sptr, sptr
; CertCompareIntegerBlob varptr(pInt1), varptr(pInt2)   ; 戻り値は stat
; pInt1 : CRYPT_INTEGER_BLOB* -> "sptr"
; pInt2 : CRYPT_INTEGER_BLOB* -> "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 CertCompareIntegerBlob "CertCompareIntegerBlob" var, var
; res = CertCompareIntegerBlob(pInt1, pInt2)
; pInt1 : CRYPT_INTEGER_BLOB* -> "var"
; pInt2 : CRYPT_INTEGER_BLOB* -> "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 CertCompareIntegerBlob "CertCompareIntegerBlob" sptr, sptr
; res = CertCompareIntegerBlob(varptr(pInt1), varptr(pInt2))
; pInt1 : CRYPT_INTEGER_BLOB* -> "sptr"
; pInt2 : CRYPT_INTEGER_BLOB* -> "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 CertCompareIntegerBlob(CRYPT_INTEGER_BLOB* pInt1, CRYPT_INTEGER_BLOB* pInt2)
#uselib "CRYPT32.dll"
#cfunc global CertCompareIntegerBlob "CertCompareIntegerBlob" var, var
; res = CertCompareIntegerBlob(pInt1, pInt2)
; pInt1 : CRYPT_INTEGER_BLOB* -> "var"
; pInt2 : CRYPT_INTEGER_BLOB* -> "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 CertCompareIntegerBlob(CRYPT_INTEGER_BLOB* pInt1, CRYPT_INTEGER_BLOB* pInt2)
#uselib "CRYPT32.dll"
#cfunc global CertCompareIntegerBlob "CertCompareIntegerBlob" intptr, intptr
; res = CertCompareIntegerBlob(varptr(pInt1), varptr(pInt2))
; pInt1 : CRYPT_INTEGER_BLOB* -> "intptr"
; pInt2 : CRYPT_INTEGER_BLOB* -> "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")
	procCertCompareIntegerBlob = crypt32.NewProc("CertCompareIntegerBlob")
)

// pInt1 (CRYPT_INTEGER_BLOB*), pInt2 (CRYPT_INTEGER_BLOB*)
r1, _, err := procCertCompareIntegerBlob.Call(
	uintptr(pInt1),
	uintptr(pInt2),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertCompareIntegerBlob(
  pInt1: Pointer;   // CRYPT_INTEGER_BLOB*
  pInt2: Pointer   // CRYPT_INTEGER_BLOB*
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertCompareIntegerBlob';

result := DllCall("CRYPT32\CertCompareIntegerBlob"
    , "Ptr", pInt1   ; CRYPT_INTEGER_BLOB*
    , "Ptr", pInt2   ; CRYPT_INTEGER_BLOB*
    , "Int")   ; return: BOOL

●CertCompareIntegerBlob(pInt1, pInt2) = DLL("CRYPT32.dll", "bool CertCompareIntegerBlob(void*, void*)")
# 呼び出し: CertCompareIntegerBlob(pInt1, pInt2)
# pInt1 : CRYPT_INTEGER_BLOB* -> "void*"
# pInt2 : CRYPT_INTEGER_BLOB* -> "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)。