ホーム › Security.Cryptography › CertVerifyValidityNesting

CertVerifyValidityNesting

関数

サブジェクト証明書の有効期間が発行者の期間内に収まるか検証する。

DLLCRYPT32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

BOOL CertVerifyValidityNesting(
    CERT_INFO* pSubjectInfo,
    CERT_INFO* pIssuerInfo
);

パラメーター

名前	型	方向
pSubjectInfo	CERT_INFO*	in
pIssuerInfo	CERT_INFO*	in

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CertVerifyValidityNesting(
    CERT_INFO* pSubjectInfo,
    CERT_INFO* pIssuerInfo
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", ExactSpelling = true)]
static extern bool CertVerifyValidityNesting(
    IntPtr pSubjectInfo,   // CERT_INFO*
    IntPtr pIssuerInfo   // CERT_INFO*
);

<DllImport("CRYPT32.dll", ExactSpelling:=True)>
Public Shared Function CertVerifyValidityNesting(
    pSubjectInfo As IntPtr,   ' CERT_INFO*
    pIssuerInfo As IntPtr   ' CERT_INFO*
) As Boolean
End Function

' pSubjectInfo : CERT_INFO*
' pIssuerInfo : CERT_INFO*
Declare PtrSafe Function CertVerifyValidityNesting Lib "crypt32" ( _
    ByVal pSubjectInfo As LongPtr, _
    ByVal pIssuerInfo 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

CertVerifyValidityNesting = ctypes.windll.crypt32.CertVerifyValidityNesting
CertVerifyValidityNesting.restype = wintypes.BOOL
CertVerifyValidityNesting.argtypes = [
    ctypes.c_void_p,  # pSubjectInfo : CERT_INFO*
    ctypes.c_void_p,  # pIssuerInfo : CERT_INFO*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertVerifyValidityNesting = Fiddle::Function.new(
  lib['CertVerifyValidityNesting'],
  [
    Fiddle::TYPE_VOIDP,  # pSubjectInfo : CERT_INFO*
    Fiddle::TYPE_VOIDP,  # pIssuerInfo : CERT_INFO*
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CertVerifyValidityNesting(
        pSubjectInfo: *mut CERT_INFO,  // CERT_INFO*
        pIssuerInfo: *mut CERT_INFO  // CERT_INFO*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll")]
public static extern bool CertVerifyValidityNesting(IntPtr pSubjectInfo, IntPtr pIssuerInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertVerifyValidityNesting' -Namespace Win32 -PassThru
# $api::CertVerifyValidityNesting(pSubjectInfo, pIssuerInfo)

#uselib "CRYPT32.dll"
#func global CertVerifyValidityNesting "CertVerifyValidityNesting" sptr, sptr
; CertVerifyValidityNesting varptr(pSubjectInfo), varptr(pIssuerInfo)   ; 戻り値は stat
; pSubjectInfo : CERT_INFO* -> "sptr"
; pIssuerInfo : CERT_INFO* -> "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 CertVerifyValidityNesting "CertVerifyValidityNesting" var, var
; res = CertVerifyValidityNesting(pSubjectInfo, pIssuerInfo)
; pSubjectInfo : CERT_INFO* -> "var"
; pIssuerInfo : CERT_INFO* -> "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 CertVerifyValidityNesting "CertVerifyValidityNesting" sptr, sptr
; res = CertVerifyValidityNesting(varptr(pSubjectInfo), varptr(pIssuerInfo))
; pSubjectInfo : CERT_INFO* -> "sptr"
; pIssuerInfo : CERT_INFO* -> "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 CertVerifyValidityNesting(CERT_INFO* pSubjectInfo, CERT_INFO* pIssuerInfo)
#uselib "CRYPT32.dll"
#cfunc global CertVerifyValidityNesting "CertVerifyValidityNesting" var, var
; res = CertVerifyValidityNesting(pSubjectInfo, pIssuerInfo)
; pSubjectInfo : CERT_INFO* -> "var"
; pIssuerInfo : CERT_INFO* -> "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 CertVerifyValidityNesting(CERT_INFO* pSubjectInfo, CERT_INFO* pIssuerInfo)
#uselib "CRYPT32.dll"
#cfunc global CertVerifyValidityNesting "CertVerifyValidityNesting" intptr, intptr
; res = CertVerifyValidityNesting(varptr(pSubjectInfo), varptr(pIssuerInfo))
; pSubjectInfo : CERT_INFO* -> "intptr"
; pIssuerInfo : CERT_INFO* -> "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")
	procCertVerifyValidityNesting = crypt32.NewProc("CertVerifyValidityNesting")
)

// pSubjectInfo (CERT_INFO*), pIssuerInfo (CERT_INFO*)
r1, _, err := procCertVerifyValidityNesting.Call(
	uintptr(pSubjectInfo),
	uintptr(pIssuerInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertVerifyValidityNesting(
  pSubjectInfo: Pointer;   // CERT_INFO*
  pIssuerInfo: Pointer   // CERT_INFO*
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertVerifyValidityNesting';

result := DllCall("CRYPT32\CertVerifyValidityNesting"
    , "Ptr", pSubjectInfo   ; CERT_INFO*
    , "Ptr", pIssuerInfo   ; CERT_INFO*
    , "Int")   ; return: BOOL

●CertVerifyValidityNesting(pSubjectInfo, pIssuerInfo) = DLL("CRYPT32.dll", "bool CertVerifyValidityNesting(void*, void*)")
# 呼び出し: CertVerifyValidityNesting(pSubjectInfo, pIssuerInfo)
# pSubjectInfo : CERT_INFO* -> "void*"
# pIssuerInfo : CERT_INFO* -> "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)。