ホーム › Security.Cryptography › CryptVerifyTimeStampSignature

CryptVerifyTimeStampSignature

関数

タイムスタンプトークンの署名と内容を検証する。

DLLCRYPT32.dll呼出規約winapiSetLastErrorあり対応OSWindows 7 以降

シグネチャ

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

BOOL CryptVerifyTimeStampSignature(
    const BYTE* pbTSContentInfo,
    DWORD cbTSContentInfo,
    const BYTE* pbData,   // optional
    DWORD cbData,
    HCERTSTORE hAdditionalStore,   // optional
    CRYPT_TIMESTAMP_CONTEXT** ppTsContext,
    CERT_CONTEXT** ppTsSigner,
    HCERTSTORE* phStore   // optional
);

パラメーター

名前	型	方向
pbTSContentInfo	BYTE*	in
cbTSContentInfo	DWORD	in
pbData	BYTE*	inoptional
cbData	DWORD	in
hAdditionalStore	HCERTSTORE	inoptional
ppTsContext	CRYPT_TIMESTAMP_CONTEXT**	out
ppTsSigner	CERT_CONTEXT**	out
phStore	HCERTSTORE*	outoptional

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CryptVerifyTimeStampSignature(
    const BYTE* pbTSContentInfo,
    DWORD cbTSContentInfo,
    const BYTE* pbData,   // optional
    DWORD cbData,
    HCERTSTORE hAdditionalStore,   // optional
    CRYPT_TIMESTAMP_CONTEXT** ppTsContext,
    CERT_CONTEXT** ppTsSigner,
    HCERTSTORE* phStore   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptVerifyTimeStampSignature(
    IntPtr pbTSContentInfo,   // BYTE*
    uint cbTSContentInfo,   // DWORD
    IntPtr pbData,   // BYTE* optional
    uint cbData,   // DWORD
    IntPtr hAdditionalStore,   // HCERTSTORE optional
    IntPtr ppTsContext,   // CRYPT_TIMESTAMP_CONTEXT** out
    IntPtr ppTsSigner,   // CERT_CONTEXT** out
    IntPtr phStore   // HCERTSTORE* optional, out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptVerifyTimeStampSignature(
    pbTSContentInfo As IntPtr,   ' BYTE*
    cbTSContentInfo As UInteger,   ' DWORD
    pbData As IntPtr,   ' BYTE* optional
    cbData As UInteger,   ' DWORD
    hAdditionalStore As IntPtr,   ' HCERTSTORE optional
    ppTsContext As IntPtr,   ' CRYPT_TIMESTAMP_CONTEXT** out
    ppTsSigner As IntPtr,   ' CERT_CONTEXT** out
    phStore As IntPtr   ' HCERTSTORE* optional, out
) As Boolean
End Function

' pbTSContentInfo : BYTE*
' cbTSContentInfo : DWORD
' pbData : BYTE* optional
' cbData : DWORD
' hAdditionalStore : HCERTSTORE optional
' ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out
' ppTsSigner : CERT_CONTEXT** out
' phStore : HCERTSTORE* optional, out
Declare PtrSafe Function CryptVerifyTimeStampSignature Lib "crypt32" ( _
    ByVal pbTSContentInfo As LongPtr, _
    ByVal cbTSContentInfo As Long, _
    ByVal pbData As LongPtr, _
    ByVal cbData As Long, _
    ByVal hAdditionalStore As LongPtr, _
    ByVal ppTsContext As LongPtr, _
    ByVal ppTsSigner As LongPtr, _
    ByVal phStore 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

CryptVerifyTimeStampSignature = ctypes.windll.crypt32.CryptVerifyTimeStampSignature
CryptVerifyTimeStampSignature.restype = wintypes.BOOL
CryptVerifyTimeStampSignature.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # pbTSContentInfo : BYTE*
    wintypes.DWORD,  # cbTSContentInfo : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbData : BYTE* optional
    wintypes.DWORD,  # cbData : DWORD
    wintypes.HANDLE,  # hAdditionalStore : HCERTSTORE optional
    ctypes.c_void_p,  # ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out
    ctypes.c_void_p,  # ppTsSigner : CERT_CONTEXT** out
    ctypes.c_void_p,  # phStore : HCERTSTORE* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptVerifyTimeStampSignature = Fiddle::Function.new(
  lib['CryptVerifyTimeStampSignature'],
  [
    Fiddle::TYPE_VOIDP,  # pbTSContentInfo : BYTE*
    -Fiddle::TYPE_INT,  # cbTSContentInfo : DWORD
    Fiddle::TYPE_VOIDP,  # pbData : BYTE* optional
    -Fiddle::TYPE_INT,  # cbData : DWORD
    Fiddle::TYPE_VOIDP,  # hAdditionalStore : HCERTSTORE optional
    Fiddle::TYPE_VOIDP,  # ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out
    Fiddle::TYPE_VOIDP,  # ppTsSigner : CERT_CONTEXT** out
    Fiddle::TYPE_VOIDP,  # phStore : HCERTSTORE* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptVerifyTimeStampSignature(
        pbTSContentInfo: *const u8,  // BYTE*
        cbTSContentInfo: u32,  // DWORD
        pbData: *const u8,  // BYTE* optional
        cbData: u32,  // DWORD
        hAdditionalStore: *mut core::ffi::c_void,  // HCERTSTORE optional
        ppTsContext: *mut *mut CRYPT_TIMESTAMP_CONTEXT,  // CRYPT_TIMESTAMP_CONTEXT** out
        ppTsSigner: *mut *mut CERT_CONTEXT,  // CERT_CONTEXT** out
        phStore: *mut *mut core::ffi::c_void  // HCERTSTORE* optional, 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 CryptVerifyTimeStampSignature(IntPtr pbTSContentInfo, uint cbTSContentInfo, IntPtr pbData, uint cbData, IntPtr hAdditionalStore, IntPtr ppTsContext, IntPtr ppTsSigner, IntPtr phStore);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptVerifyTimeStampSignature' -Namespace Win32 -PassThru
# $api::CryptVerifyTimeStampSignature(pbTSContentInfo, cbTSContentInfo, pbData, cbData, hAdditionalStore, ppTsContext, ppTsSigner, phStore)

#uselib "CRYPT32.dll"
#func global CryptVerifyTimeStampSignature "CryptVerifyTimeStampSignature" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CryptVerifyTimeStampSignature varptr(pbTSContentInfo), cbTSContentInfo, varptr(pbData), cbData, hAdditionalStore, varptr(ppTsContext), varptr(ppTsSigner), phStore   ; 戻り値は stat
; pbTSContentInfo : BYTE* -> "sptr"
; cbTSContentInfo : DWORD -> "sptr"
; pbData : BYTE* optional -> "sptr"
; cbData : DWORD -> "sptr"
; hAdditionalStore : HCERTSTORE optional -> "sptr"
; ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out -> "sptr"
; ppTsSigner : CERT_CONTEXT** out -> "sptr"
; phStore : HCERTSTORE* optional, 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 CryptVerifyTimeStampSignature "CryptVerifyTimeStampSignature" var, int, var, int, sptr, var, var, sptr
; res = CryptVerifyTimeStampSignature(pbTSContentInfo, cbTSContentInfo, pbData, cbData, hAdditionalStore, ppTsContext, ppTsSigner, phStore)
; pbTSContentInfo : BYTE* -> "var"
; cbTSContentInfo : DWORD -> "int"
; pbData : BYTE* optional -> "var"
; cbData : DWORD -> "int"
; hAdditionalStore : HCERTSTORE optional -> "sptr"
; ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out -> "var"
; ppTsSigner : CERT_CONTEXT** out -> "var"
; phStore : HCERTSTORE* optional, out -> "sptr"
; ※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 CryptVerifyTimeStampSignature "CryptVerifyTimeStampSignature" sptr, int, sptr, int, sptr, sptr, sptr, sptr
; res = CryptVerifyTimeStampSignature(varptr(pbTSContentInfo), cbTSContentInfo, varptr(pbData), cbData, hAdditionalStore, varptr(ppTsContext), varptr(ppTsSigner), phStore)
; pbTSContentInfo : BYTE* -> "sptr"
; cbTSContentInfo : DWORD -> "int"
; pbData : BYTE* optional -> "sptr"
; cbData : DWORD -> "int"
; hAdditionalStore : HCERTSTORE optional -> "sptr"
; ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out -> "sptr"
; ppTsSigner : CERT_CONTEXT** out -> "sptr"
; phStore : HCERTSTORE* optional, 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 CryptVerifyTimeStampSignature(BYTE* pbTSContentInfo, DWORD cbTSContentInfo, BYTE* pbData, DWORD cbData, HCERTSTORE hAdditionalStore, CRYPT_TIMESTAMP_CONTEXT** ppTsContext, CERT_CONTEXT** ppTsSigner, HCERTSTORE* phStore)
#uselib "CRYPT32.dll"
#cfunc global CryptVerifyTimeStampSignature "CryptVerifyTimeStampSignature" var, int, var, int, intptr, var, var, intptr
; res = CryptVerifyTimeStampSignature(pbTSContentInfo, cbTSContentInfo, pbData, cbData, hAdditionalStore, ppTsContext, ppTsSigner, phStore)
; pbTSContentInfo : BYTE* -> "var"
; cbTSContentInfo : DWORD -> "int"
; pbData : BYTE* optional -> "var"
; cbData : DWORD -> "int"
; hAdditionalStore : HCERTSTORE optional -> "intptr"
; ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out -> "var"
; ppTsSigner : CERT_CONTEXT** out -> "var"
; phStore : HCERTSTORE* optional, out -> "intptr"
; ※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 CryptVerifyTimeStampSignature(BYTE* pbTSContentInfo, DWORD cbTSContentInfo, BYTE* pbData, DWORD cbData, HCERTSTORE hAdditionalStore, CRYPT_TIMESTAMP_CONTEXT** ppTsContext, CERT_CONTEXT** ppTsSigner, HCERTSTORE* phStore)
#uselib "CRYPT32.dll"
#cfunc global CryptVerifyTimeStampSignature "CryptVerifyTimeStampSignature" intptr, int, intptr, int, intptr, intptr, intptr, intptr
; res = CryptVerifyTimeStampSignature(varptr(pbTSContentInfo), cbTSContentInfo, varptr(pbData), cbData, hAdditionalStore, varptr(ppTsContext), varptr(ppTsSigner), phStore)
; pbTSContentInfo : BYTE* -> "intptr"
; cbTSContentInfo : DWORD -> "int"
; pbData : BYTE* optional -> "intptr"
; cbData : DWORD -> "int"
; hAdditionalStore : HCERTSTORE optional -> "intptr"
; ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out -> "intptr"
; ppTsSigner : CERT_CONTEXT** out -> "intptr"
; phStore : HCERTSTORE* optional, 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")
	procCryptVerifyTimeStampSignature = crypt32.NewProc("CryptVerifyTimeStampSignature")
)

// pbTSContentInfo (BYTE*), cbTSContentInfo (DWORD), pbData (BYTE* optional), cbData (DWORD), hAdditionalStore (HCERTSTORE optional), ppTsContext (CRYPT_TIMESTAMP_CONTEXT** out), ppTsSigner (CERT_CONTEXT** out), phStore (HCERTSTORE* optional, out)
r1, _, err := procCryptVerifyTimeStampSignature.Call(
	uintptr(pbTSContentInfo),
	uintptr(cbTSContentInfo),
	uintptr(pbData),
	uintptr(cbData),
	uintptr(hAdditionalStore),
	uintptr(ppTsContext),
	uintptr(ppTsSigner),
	uintptr(phStore),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptVerifyTimeStampSignature(
  pbTSContentInfo: Pointer;   // BYTE*
  cbTSContentInfo: DWORD;   // DWORD
  pbData: Pointer;   // BYTE* optional
  cbData: DWORD;   // DWORD
  hAdditionalStore: THandle;   // HCERTSTORE optional
  ppTsContext: Pointer;   // CRYPT_TIMESTAMP_CONTEXT** out
  ppTsSigner: Pointer;   // CERT_CONTEXT** out
  phStore: Pointer   // HCERTSTORE* optional, out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptVerifyTimeStampSignature';

result := DllCall("CRYPT32\CryptVerifyTimeStampSignature"
    , "Ptr", pbTSContentInfo   ; BYTE*
    , "UInt", cbTSContentInfo   ; DWORD
    , "Ptr", pbData   ; BYTE* optional
    , "UInt", cbData   ; DWORD
    , "Ptr", hAdditionalStore   ; HCERTSTORE optional
    , "Ptr", ppTsContext   ; CRYPT_TIMESTAMP_CONTEXT** out
    , "Ptr", ppTsSigner   ; CERT_CONTEXT** out
    , "Ptr", phStore   ; HCERTSTORE* optional, out
    , "Int")   ; return: BOOL

●CryptVerifyTimeStampSignature(pbTSContentInfo, cbTSContentInfo, pbData, cbData, hAdditionalStore, ppTsContext, ppTsSigner, phStore) = DLL("CRYPT32.dll", "bool CryptVerifyTimeStampSignature(void*, dword, void*, dword, void*, void*, void*, void*)")
# 呼び出し: CryptVerifyTimeStampSignature(pbTSContentInfo, cbTSContentInfo, pbData, cbData, hAdditionalStore, ppTsContext, ppTsSigner, phStore)
# pbTSContentInfo : BYTE* -> "void*"
# cbTSContentInfo : DWORD -> "dword"
# pbData : BYTE* optional -> "void*"
# cbData : DWORD -> "dword"
# hAdditionalStore : HCERTSTORE optional -> "void*"
# ppTsContext : CRYPT_TIMESTAMP_CONTEXT** out -> "void*"
# ppTsSigner : CERT_CONTEXT** out -> "void*"
# phStore : HCERTSTORE* optional, 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)。