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NCryptVerifySignature
関数ハッシュ値に対する署名をキーで検証する。
シグネチャ
// ncrypt.dll
#include <windows.h>
HRESULT NCryptVerifySignature(
NCRYPT_KEY_HANDLE hKey,
void* pPaddingInfo, // optional
BYTE* pbHashValue,
DWORD cbHashValue,
BYTE* pbSignature,
DWORD cbSignature,
NCRYPT_FLAGS dwFlags
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hKey | NCRYPT_KEY_HANDLE | in |
| pPaddingInfo | void* | inoptional |
| pbHashValue | BYTE* | in |
| cbHashValue | DWORD | in |
| pbSignature | BYTE* | in |
| cbSignature | DWORD | in |
| dwFlags | NCRYPT_FLAGS | in |
戻り値の型: HRESULT
各言語での呼び出し定義
// ncrypt.dll
#include <windows.h>
HRESULT NCryptVerifySignature(
NCRYPT_KEY_HANDLE hKey,
void* pPaddingInfo, // optional
BYTE* pbHashValue,
DWORD cbHashValue,
BYTE* pbSignature,
DWORD cbSignature,
NCRYPT_FLAGS dwFlags
);[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int NCryptVerifySignature(
UIntPtr hKey, // NCRYPT_KEY_HANDLE
IntPtr pPaddingInfo, // void* optional
IntPtr pbHashValue, // BYTE*
uint cbHashValue, // DWORD
IntPtr pbSignature, // BYTE*
uint cbSignature, // DWORD
uint dwFlags // NCRYPT_FLAGS
);<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptVerifySignature(
hKey As UIntPtr, ' NCRYPT_KEY_HANDLE
pPaddingInfo As IntPtr, ' void* optional
pbHashValue As IntPtr, ' BYTE*
cbHashValue As UInteger, ' DWORD
pbSignature As IntPtr, ' BYTE*
cbSignature As UInteger, ' DWORD
dwFlags As UInteger ' NCRYPT_FLAGS
) As Integer
End Function' hKey : NCRYPT_KEY_HANDLE
' pPaddingInfo : void* optional
' pbHashValue : BYTE*
' cbHashValue : DWORD
' pbSignature : BYTE*
' cbSignature : DWORD
' dwFlags : NCRYPT_FLAGS
Declare PtrSafe Function NCryptVerifySignature Lib "ncrypt" ( _
ByVal hKey As LongPtr, _
ByVal pPaddingInfo As LongPtr, _
ByVal pbHashValue As LongPtr, _
ByVal cbHashValue As Long, _
ByVal pbSignature As LongPtr, _
ByVal cbSignature As Long, _
ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
NCryptVerifySignature = ctypes.windll.ncrypt.NCryptVerifySignature
NCryptVerifySignature.restype = ctypes.c_int
NCryptVerifySignature.argtypes = [
ctypes.c_size_t, # hKey : NCRYPT_KEY_HANDLE
ctypes.POINTER(None), # pPaddingInfo : void* optional
ctypes.POINTER(ctypes.c_ubyte), # pbHashValue : BYTE*
wintypes.DWORD, # cbHashValue : DWORD
ctypes.POINTER(ctypes.c_ubyte), # pbSignature : BYTE*
wintypes.DWORD, # cbSignature : DWORD
wintypes.DWORD, # dwFlags : NCRYPT_FLAGS
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ncrypt.dll')
NCryptVerifySignature = Fiddle::Function.new(
lib['NCryptVerifySignature'],
[
Fiddle::TYPE_UINTPTR_T, # hKey : NCRYPT_KEY_HANDLE
Fiddle::TYPE_VOIDP, # pPaddingInfo : void* optional
Fiddle::TYPE_VOIDP, # pbHashValue : BYTE*
-Fiddle::TYPE_INT, # cbHashValue : DWORD
Fiddle::TYPE_VOIDP, # pbSignature : BYTE*
-Fiddle::TYPE_INT, # cbSignature : DWORD
-Fiddle::TYPE_INT, # dwFlags : NCRYPT_FLAGS
],
Fiddle::TYPE_INT)#[link(name = "ncrypt")]
extern "system" {
fn NCryptVerifySignature(
hKey: usize, // NCRYPT_KEY_HANDLE
pPaddingInfo: *mut (), // void* optional
pbHashValue: *mut u8, // BYTE*
cbHashValue: u32, // DWORD
pbSignature: *mut u8, // BYTE*
cbSignature: u32, // DWORD
dwFlags: u32 // NCRYPT_FLAGS
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ncrypt.dll")]
public static extern int NCryptVerifySignature(UIntPtr hKey, IntPtr pPaddingInfo, IntPtr pbHashValue, uint cbHashValue, IntPtr pbSignature, uint cbSignature, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_NCryptVerifySignature' -Namespace Win32 -PassThru
# $api::NCryptVerifySignature(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags)#uselib "ncrypt.dll"
#func global NCryptVerifySignature "NCryptVerifySignature" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; NCryptVerifySignature hKey, pPaddingInfo, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, dwFlags ; 戻り値は stat
; hKey : NCRYPT_KEY_HANDLE -> "sptr"
; pPaddingInfo : void* optional -> "sptr"
; pbHashValue : BYTE* -> "sptr"
; cbHashValue : DWORD -> "sptr"
; pbSignature : BYTE* -> "sptr"
; cbSignature : DWORD -> "sptr"
; dwFlags : NCRYPT_FLAGS -> "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 "ncrypt.dll" #cfunc global NCryptVerifySignature "NCryptVerifySignature" sptr, sptr, var, int, var, int, int ; res = NCryptVerifySignature(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "sptr" ; pPaddingInfo : void* optional -> "sptr" ; pbHashValue : BYTE* -> "var" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* -> "var" ; cbSignature : DWORD -> "int" ; dwFlags : NCRYPT_FLAGS -> "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 "ncrypt.dll" #cfunc global NCryptVerifySignature "NCryptVerifySignature" sptr, sptr, sptr, int, sptr, int, int ; res = NCryptVerifySignature(hKey, pPaddingInfo, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "sptr" ; pPaddingInfo : void* optional -> "sptr" ; pbHashValue : BYTE* -> "sptr" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* -> "sptr" ; cbSignature : DWORD -> "int" ; dwFlags : NCRYPT_FLAGS -> "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:
; HRESULT NCryptVerifySignature(NCRYPT_KEY_HANDLE hKey, void* pPaddingInfo, BYTE* pbHashValue, DWORD cbHashValue, BYTE* pbSignature, DWORD cbSignature, NCRYPT_FLAGS dwFlags) #uselib "ncrypt.dll" #cfunc global NCryptVerifySignature "NCryptVerifySignature" intptr, intptr, var, int, var, int, int ; res = NCryptVerifySignature(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "intptr" ; pPaddingInfo : void* optional -> "intptr" ; pbHashValue : BYTE* -> "var" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* -> "var" ; cbSignature : DWORD -> "int" ; dwFlags : NCRYPT_FLAGS -> "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。; HRESULT NCryptVerifySignature(NCRYPT_KEY_HANDLE hKey, void* pPaddingInfo, BYTE* pbHashValue, DWORD cbHashValue, BYTE* pbSignature, DWORD cbSignature, NCRYPT_FLAGS dwFlags) #uselib "ncrypt.dll" #cfunc global NCryptVerifySignature "NCryptVerifySignature" intptr, intptr, intptr, int, intptr, int, int ; res = NCryptVerifySignature(hKey, pPaddingInfo, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "intptr" ; pPaddingInfo : void* optional -> "intptr" ; pbHashValue : BYTE* -> "intptr" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* -> "intptr" ; cbSignature : DWORD -> "int" ; dwFlags : NCRYPT_FLAGS -> "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 (
ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
procNCryptVerifySignature = ncrypt.NewProc("NCryptVerifySignature")
)
// hKey (NCRYPT_KEY_HANDLE), pPaddingInfo (void* optional), pbHashValue (BYTE*), cbHashValue (DWORD), pbSignature (BYTE*), cbSignature (DWORD), dwFlags (NCRYPT_FLAGS)
r1, _, err := procNCryptVerifySignature.Call(
uintptr(hKey),
uintptr(pPaddingInfo),
uintptr(pbHashValue),
uintptr(cbHashValue),
uintptr(pbSignature),
uintptr(cbSignature),
uintptr(dwFlags),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction NCryptVerifySignature(
hKey: NativeUInt; // NCRYPT_KEY_HANDLE
pPaddingInfo: Pointer; // void* optional
pbHashValue: Pointer; // BYTE*
cbHashValue: DWORD; // DWORD
pbSignature: Pointer; // BYTE*
cbSignature: DWORD; // DWORD
dwFlags: DWORD // NCRYPT_FLAGS
): Integer; stdcall;
external 'ncrypt.dll' name 'NCryptVerifySignature';result := DllCall("ncrypt\NCryptVerifySignature"
, "UPtr", hKey ; NCRYPT_KEY_HANDLE
, "Ptr", pPaddingInfo ; void* optional
, "Ptr", pbHashValue ; BYTE*
, "UInt", cbHashValue ; DWORD
, "Ptr", pbSignature ; BYTE*
, "UInt", cbSignature ; DWORD
, "UInt", dwFlags ; NCRYPT_FLAGS
, "Int") ; return: HRESULT●NCryptVerifySignature(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags) = DLL("ncrypt.dll", "int NCryptVerifySignature(int, void*, void*, dword, void*, dword, dword)")
# 呼び出し: NCryptVerifySignature(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags)
# hKey : NCRYPT_KEY_HANDLE -> "int"
# pPaddingInfo : void* optional -> "void*"
# pbHashValue : BYTE* -> "void*"
# cbHashValue : DWORD -> "dword"
# pbSignature : BYTE* -> "void*"
# cbSignature : DWORD -> "dword"
# dwFlags : NCRYPT_FLAGS -> "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)。