ホーム › Security.Cryptography › NCryptSignHash
NCryptSignHash
関数指定したキーでハッシュ値に署名する。
シグネチャ
// ncrypt.dll
#include <windows.h>
HRESULT NCryptSignHash(
NCRYPT_KEY_HANDLE hKey,
void* pPaddingInfo, // optional
BYTE* pbHashValue,
DWORD cbHashValue,
BYTE* pbSignature, // optional
DWORD cbSignature,
DWORD* pcbResult,
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* | outoptional |
| cbSignature | DWORD | in |
| pcbResult | DWORD* | out |
| 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 NCryptSignHash(
NCRYPT_KEY_HANDLE hKey,
void* pPaddingInfo, // optional
BYTE* pbHashValue,
DWORD cbHashValue,
BYTE* pbSignature, // optional
DWORD cbSignature,
DWORD* pcbResult,
NCRYPT_FLAGS dwFlags
);[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int NCryptSignHash(
UIntPtr hKey, // NCRYPT_KEY_HANDLE
IntPtr pPaddingInfo, // void* optional
IntPtr pbHashValue, // BYTE*
uint cbHashValue, // DWORD
IntPtr pbSignature, // BYTE* optional, out
uint cbSignature, // DWORD
out uint pcbResult, // DWORD* out
uint dwFlags // NCRYPT_FLAGS
);<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptSignHash(
hKey As UIntPtr, ' NCRYPT_KEY_HANDLE
pPaddingInfo As IntPtr, ' void* optional
pbHashValue As IntPtr, ' BYTE*
cbHashValue As UInteger, ' DWORD
pbSignature As IntPtr, ' BYTE* optional, out
cbSignature As UInteger, ' DWORD
<Out> ByRef pcbResult As UInteger, ' DWORD* out
dwFlags As UInteger ' NCRYPT_FLAGS
) As Integer
End Function' hKey : NCRYPT_KEY_HANDLE
' pPaddingInfo : void* optional
' pbHashValue : BYTE*
' cbHashValue : DWORD
' pbSignature : BYTE* optional, out
' cbSignature : DWORD
' pcbResult : DWORD* out
' dwFlags : NCRYPT_FLAGS
Declare PtrSafe Function NCryptSignHash 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, _
ByRef pcbResult 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
NCryptSignHash = ctypes.windll.ncrypt.NCryptSignHash
NCryptSignHash.restype = ctypes.c_int
NCryptSignHash.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* optional, out
wintypes.DWORD, # cbSignature : DWORD
ctypes.POINTER(wintypes.DWORD), # pcbResult : DWORD* out
wintypes.DWORD, # dwFlags : NCRYPT_FLAGS
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ncrypt.dll')
NCryptSignHash = Fiddle::Function.new(
lib['NCryptSignHash'],
[
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* optional, out
-Fiddle::TYPE_INT, # cbSignature : DWORD
Fiddle::TYPE_VOIDP, # pcbResult : DWORD* out
-Fiddle::TYPE_INT, # dwFlags : NCRYPT_FLAGS
],
Fiddle::TYPE_INT)#[link(name = "ncrypt")]
extern "system" {
fn NCryptSignHash(
hKey: usize, // NCRYPT_KEY_HANDLE
pPaddingInfo: *mut (), // void* optional
pbHashValue: *mut u8, // BYTE*
cbHashValue: u32, // DWORD
pbSignature: *mut u8, // BYTE* optional, out
cbSignature: u32, // DWORD
pcbResult: *mut u32, // DWORD* out
dwFlags: u32 // NCRYPT_FLAGS
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ncrypt.dll")]
public static extern int NCryptSignHash(UIntPtr hKey, IntPtr pPaddingInfo, IntPtr pbHashValue, uint cbHashValue, IntPtr pbSignature, uint cbSignature, out uint pcbResult, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_NCryptSignHash' -Namespace Win32 -PassThru
# $api::NCryptSignHash(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, pcbResult, dwFlags)#uselib "ncrypt.dll"
#func global NCryptSignHash "NCryptSignHash" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; NCryptSignHash hKey, pPaddingInfo, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, varptr(pcbResult), dwFlags ; 戻り値は stat
; hKey : NCRYPT_KEY_HANDLE -> "sptr"
; pPaddingInfo : void* optional -> "sptr"
; pbHashValue : BYTE* -> "sptr"
; cbHashValue : DWORD -> "sptr"
; pbSignature : BYTE* optional, out -> "sptr"
; cbSignature : DWORD -> "sptr"
; pcbResult : DWORD* out -> "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 NCryptSignHash "NCryptSignHash" sptr, sptr, var, int, var, int, var, int ; res = NCryptSignHash(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, pcbResult, dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "sptr" ; pPaddingInfo : void* optional -> "sptr" ; pbHashValue : BYTE* -> "var" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* optional, out -> "var" ; cbSignature : DWORD -> "int" ; pcbResult : DWORD* out -> "var" ; 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 NCryptSignHash "NCryptSignHash" sptr, sptr, sptr, int, sptr, int, sptr, int ; res = NCryptSignHash(hKey, pPaddingInfo, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, varptr(pcbResult), dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "sptr" ; pPaddingInfo : void* optional -> "sptr" ; pbHashValue : BYTE* -> "sptr" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* optional, out -> "sptr" ; cbSignature : DWORD -> "int" ; pcbResult : DWORD* out -> "sptr" ; 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 NCryptSignHash(NCRYPT_KEY_HANDLE hKey, void* pPaddingInfo, BYTE* pbHashValue, DWORD cbHashValue, BYTE* pbSignature, DWORD cbSignature, DWORD* pcbResult, NCRYPT_FLAGS dwFlags) #uselib "ncrypt.dll" #cfunc global NCryptSignHash "NCryptSignHash" intptr, intptr, var, int, var, int, var, int ; res = NCryptSignHash(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, pcbResult, dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "intptr" ; pPaddingInfo : void* optional -> "intptr" ; pbHashValue : BYTE* -> "var" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* optional, out -> "var" ; cbSignature : DWORD -> "int" ; pcbResult : DWORD* out -> "var" ; 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 NCryptSignHash(NCRYPT_KEY_HANDLE hKey, void* pPaddingInfo, BYTE* pbHashValue, DWORD cbHashValue, BYTE* pbSignature, DWORD cbSignature, DWORD* pcbResult, NCRYPT_FLAGS dwFlags) #uselib "ncrypt.dll" #cfunc global NCryptSignHash "NCryptSignHash" intptr, intptr, intptr, int, intptr, int, intptr, int ; res = NCryptSignHash(hKey, pPaddingInfo, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, varptr(pcbResult), dwFlags) ; hKey : NCRYPT_KEY_HANDLE -> "intptr" ; pPaddingInfo : void* optional -> "intptr" ; pbHashValue : BYTE* -> "intptr" ; cbHashValue : DWORD -> "int" ; pbSignature : BYTE* optional, out -> "intptr" ; cbSignature : DWORD -> "int" ; pcbResult : DWORD* out -> "intptr" ; 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")
procNCryptSignHash = ncrypt.NewProc("NCryptSignHash")
)
// hKey (NCRYPT_KEY_HANDLE), pPaddingInfo (void* optional), pbHashValue (BYTE*), cbHashValue (DWORD), pbSignature (BYTE* optional, out), cbSignature (DWORD), pcbResult (DWORD* out), dwFlags (NCRYPT_FLAGS)
r1, _, err := procNCryptSignHash.Call(
uintptr(hKey),
uintptr(pPaddingInfo),
uintptr(pbHashValue),
uintptr(cbHashValue),
uintptr(pbSignature),
uintptr(cbSignature),
uintptr(pcbResult),
uintptr(dwFlags),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction NCryptSignHash(
hKey: NativeUInt; // NCRYPT_KEY_HANDLE
pPaddingInfo: Pointer; // void* optional
pbHashValue: Pointer; // BYTE*
cbHashValue: DWORD; // DWORD
pbSignature: Pointer; // BYTE* optional, out
cbSignature: DWORD; // DWORD
pcbResult: Pointer; // DWORD* out
dwFlags: DWORD // NCRYPT_FLAGS
): Integer; stdcall;
external 'ncrypt.dll' name 'NCryptSignHash';result := DllCall("ncrypt\NCryptSignHash"
, "UPtr", hKey ; NCRYPT_KEY_HANDLE
, "Ptr", pPaddingInfo ; void* optional
, "Ptr", pbHashValue ; BYTE*
, "UInt", cbHashValue ; DWORD
, "Ptr", pbSignature ; BYTE* optional, out
, "UInt", cbSignature ; DWORD
, "Ptr", pcbResult ; DWORD* out
, "UInt", dwFlags ; NCRYPT_FLAGS
, "Int") ; return: HRESULT●NCryptSignHash(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, pcbResult, dwFlags) = DLL("ncrypt.dll", "int NCryptSignHash(int, void*, void*, dword, void*, dword, void*, dword)")
# 呼び出し: NCryptSignHash(hKey, pPaddingInfo, pbHashValue, cbHashValue, pbSignature, cbSignature, pcbResult, dwFlags)
# hKey : NCRYPT_KEY_HANDLE -> "int"
# pPaddingInfo : void* optional -> "void*"
# pbHashValue : BYTE* -> "void*"
# cbHashValue : DWORD -> "dword"
# pbSignature : BYTE* optional, out -> "void*"
# cbSignature : DWORD -> "dword"
# pcbResult : DWORD* out -> "void*"
# 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)。