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CertVerifyTimeValidity

関数

指定時刻が証明書の有効期間内にあるか検証する。

DLLCRYPT32.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

INT CertVerifyTimeValidity(
    FILETIME* pTimeToVerify,   // optional
    CERT_INFO* pCertInfo
);

パラメーター

名前	型	方向
pTimeToVerify	FILETIME*	inoptional
pCertInfo	CERT_INFO*	in

戻り値の型: INT

各言語での呼び出し定義

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

INT CertVerifyTimeValidity(
    FILETIME* pTimeToVerify,   // optional
    CERT_INFO* pCertInfo
);

[DllImport("CRYPT32.dll", ExactSpelling = true)]
static extern int CertVerifyTimeValidity(
    IntPtr pTimeToVerify,   // FILETIME* optional
    IntPtr pCertInfo   // CERT_INFO*
);

<DllImport("CRYPT32.dll", ExactSpelling:=True)>
Public Shared Function CertVerifyTimeValidity(
    pTimeToVerify As IntPtr,   ' FILETIME* optional
    pCertInfo As IntPtr   ' CERT_INFO*
) As Integer
End Function

' pTimeToVerify : FILETIME* optional
' pCertInfo : CERT_INFO*
Declare PtrSafe Function CertVerifyTimeValidity Lib "crypt32" ( _
    ByVal pTimeToVerify As LongPtr, _
    ByVal pCertInfo 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

CertVerifyTimeValidity = ctypes.windll.crypt32.CertVerifyTimeValidity
CertVerifyTimeValidity.restype = ctypes.c_int
CertVerifyTimeValidity.argtypes = [
    ctypes.c_void_p,  # pTimeToVerify : FILETIME* optional
    ctypes.c_void_p,  # pCertInfo : CERT_INFO*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertVerifyTimeValidity = Fiddle::Function.new(
  lib['CertVerifyTimeValidity'],
  [
    Fiddle::TYPE_VOIDP,  # pTimeToVerify : FILETIME* optional
    Fiddle::TYPE_VOIDP,  # pCertInfo : CERT_INFO*
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("CRYPT32.dll")]
public static extern int CertVerifyTimeValidity(IntPtr pTimeToVerify, IntPtr pCertInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertVerifyTimeValidity' -Namespace Win32 -PassThru
# $api::CertVerifyTimeValidity(pTimeToVerify, pCertInfo)

#uselib "CRYPT32.dll"
#func global CertVerifyTimeValidity "CertVerifyTimeValidity" sptr, sptr
; CertVerifyTimeValidity varptr(pTimeToVerify), varptr(pCertInfo)   ; 戻り値は stat
; pTimeToVerify : FILETIME* optional -> "sptr"
; pCertInfo : 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 CertVerifyTimeValidity "CertVerifyTimeValidity" var, var
; res = CertVerifyTimeValidity(pTimeToVerify, pCertInfo)
; pTimeToVerify : FILETIME* optional -> "var"
; pCertInfo : 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 CertVerifyTimeValidity "CertVerifyTimeValidity" sptr, sptr
; res = CertVerifyTimeValidity(varptr(pTimeToVerify), varptr(pCertInfo))
; pTimeToVerify : FILETIME* optional -> "sptr"
; pCertInfo : 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:

; INT CertVerifyTimeValidity(FILETIME* pTimeToVerify, CERT_INFO* pCertInfo)
#uselib "CRYPT32.dll"
#cfunc global CertVerifyTimeValidity "CertVerifyTimeValidity" var, var
; res = CertVerifyTimeValidity(pTimeToVerify, pCertInfo)
; pTimeToVerify : FILETIME* optional -> "var"
; pCertInfo : 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。; INT CertVerifyTimeValidity(FILETIME* pTimeToVerify, CERT_INFO* pCertInfo)
#uselib "CRYPT32.dll"
#cfunc global CertVerifyTimeValidity "CertVerifyTimeValidity" intptr, intptr
; res = CertVerifyTimeValidity(varptr(pTimeToVerify), varptr(pCertInfo))
; pTimeToVerify : FILETIME* optional -> "intptr"
; pCertInfo : 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")
	procCertVerifyTimeValidity = crypt32.NewProc("CertVerifyTimeValidity")
)

// pTimeToVerify (FILETIME* optional), pCertInfo (CERT_INFO*)
r1, _, err := procCertVerifyTimeValidity.Call(
	uintptr(pTimeToVerify),
	uintptr(pCertInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function CertVerifyTimeValidity(
  pTimeToVerify: Pointer;   // FILETIME* optional
  pCertInfo: Pointer   // CERT_INFO*
): Integer; stdcall;
  external 'CRYPT32.dll' name 'CertVerifyTimeValidity';

result := DllCall("CRYPT32\CertVerifyTimeValidity"
    , "Ptr", pTimeToVerify   ; FILETIME* optional
    , "Ptr", pCertInfo   ; CERT_INFO*
    , "Int")   ; return: INT

●CertVerifyTimeValidity(pTimeToVerify, pCertInfo) = DLL("CRYPT32.dll", "int CertVerifyTimeValidity(void*, void*)")
# 呼び出し: CertVerifyTimeValidity(pTimeToVerify, pCertInfo)
# pTimeToVerify : FILETIME* optional -> "void*"
# pCertInfo : 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)。