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SslExpandWriteKey
関数TLS1.3でトラフィック鍵から書き込み用鍵を展開する。
シグネチャ
// ncrypt.dll
#include <windows.h>
HRESULT SslExpandWriteKey(
NCRYPT_PROV_HANDLE hSslProvider,
NCRYPT_KEY_HANDLE hBaseTrafficKey,
NCRYPT_KEY_HANDLE* phWriteKey,
BCryptBufferDesc* pParameterList, // optional
DWORD dwFlags
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hSslProvider | NCRYPT_PROV_HANDLE | in | Schannel SSLプロバイダのハンドル。 |
| hBaseTrafficKey | NCRYPT_KEY_HANDLE | in | 書き込み鍵を展開する基となるトラフィック鍵ハンドル。 |
| phWriteKey | NCRYPT_KEY_HANDLE* | out | 展開された書き込み(送信)鍵のハンドルを受け取る出力先。 |
| pParameterList | BCryptBufferDesc* | inoptional | 追加パラメータを示すBCryptBufferDesc。 |
| dwFlags | DWORD | in | 動作を制御するフラグ。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// ncrypt.dll
#include <windows.h>
HRESULT SslExpandWriteKey(
NCRYPT_PROV_HANDLE hSslProvider,
NCRYPT_KEY_HANDLE hBaseTrafficKey,
NCRYPT_KEY_HANDLE* phWriteKey,
BCryptBufferDesc* pParameterList, // optional
DWORD dwFlags
);[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int SslExpandWriteKey(
UIntPtr hSslProvider, // NCRYPT_PROV_HANDLE
UIntPtr hBaseTrafficKey, // NCRYPT_KEY_HANDLE
out UIntPtr phWriteKey, // NCRYPT_KEY_HANDLE* out
IntPtr pParameterList, // BCryptBufferDesc* optional
uint dwFlags // DWORD
);<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslExpandWriteKey(
hSslProvider As UIntPtr, ' NCRYPT_PROV_HANDLE
hBaseTrafficKey As UIntPtr, ' NCRYPT_KEY_HANDLE
<Out> ByRef phWriteKey As UIntPtr, ' NCRYPT_KEY_HANDLE* out
pParameterList As IntPtr, ' BCryptBufferDesc* optional
dwFlags As UInteger ' DWORD
) As Integer
End Function' hSslProvider : NCRYPT_PROV_HANDLE
' hBaseTrafficKey : NCRYPT_KEY_HANDLE
' phWriteKey : NCRYPT_KEY_HANDLE* out
' pParameterList : BCryptBufferDesc* optional
' dwFlags : DWORD
Declare PtrSafe Function SslExpandWriteKey Lib "ncrypt" ( _
ByVal hSslProvider As LongPtr, _
ByVal hBaseTrafficKey As LongPtr, _
ByRef phWriteKey As LongPtr, _
ByVal pParameterList As LongPtr, _
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
SslExpandWriteKey = ctypes.windll.ncrypt.SslExpandWriteKey
SslExpandWriteKey.restype = ctypes.c_int
SslExpandWriteKey.argtypes = [
ctypes.c_size_t, # hSslProvider : NCRYPT_PROV_HANDLE
ctypes.c_size_t, # hBaseTrafficKey : NCRYPT_KEY_HANDLE
ctypes.c_void_p, # phWriteKey : NCRYPT_KEY_HANDLE* out
ctypes.c_void_p, # pParameterList : BCryptBufferDesc* optional
wintypes.DWORD, # dwFlags : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('ncrypt.dll')
SslExpandWriteKey = Fiddle::Function.new(
lib['SslExpandWriteKey'],
[
Fiddle::TYPE_UINTPTR_T, # hSslProvider : NCRYPT_PROV_HANDLE
Fiddle::TYPE_UINTPTR_T, # hBaseTrafficKey : NCRYPT_KEY_HANDLE
Fiddle::TYPE_VOIDP, # phWriteKey : NCRYPT_KEY_HANDLE* out
Fiddle::TYPE_VOIDP, # pParameterList : BCryptBufferDesc* optional
-Fiddle::TYPE_INT, # dwFlags : DWORD
],
Fiddle::TYPE_INT)#[link(name = "ncrypt")]
extern "system" {
fn SslExpandWriteKey(
hSslProvider: usize, // NCRYPT_PROV_HANDLE
hBaseTrafficKey: usize, // NCRYPT_KEY_HANDLE
phWriteKey: *mut usize, // NCRYPT_KEY_HANDLE* out
pParameterList: *mut BCryptBufferDesc, // BCryptBufferDesc* optional
dwFlags: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("ncrypt.dll")]
public static extern int SslExpandWriteKey(UIntPtr hSslProvider, UIntPtr hBaseTrafficKey, out UIntPtr phWriteKey, IntPtr pParameterList, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslExpandWriteKey' -Namespace Win32 -PassThru
# $api::SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags)#uselib "ncrypt.dll"
#func global SslExpandWriteKey "SslExpandWriteKey" sptr, sptr, sptr, sptr, sptr
; SslExpandWriteKey hSslProvider, hBaseTrafficKey, varptr(phWriteKey), varptr(pParameterList), dwFlags ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "sptr"
; phWriteKey : NCRYPT_KEY_HANDLE* out -> "sptr"
; pParameterList : BCryptBufferDesc* optional -> "sptr"
; dwFlags : DWORD -> "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 SslExpandWriteKey "SslExpandWriteKey" sptr, sptr, var, var, int ; res = SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags) ; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr" ; hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "sptr" ; phWriteKey : NCRYPT_KEY_HANDLE* out -> "var" ; pParameterList : BCryptBufferDesc* optional -> "var" ; dwFlags : DWORD -> "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 SslExpandWriteKey "SslExpandWriteKey" sptr, sptr, sptr, sptr, int ; res = SslExpandWriteKey(hSslProvider, hBaseTrafficKey, varptr(phWriteKey), varptr(pParameterList), dwFlags) ; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr" ; hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "sptr" ; phWriteKey : NCRYPT_KEY_HANDLE* out -> "sptr" ; pParameterList : BCryptBufferDesc* optional -> "sptr" ; dwFlags : DWORD -> "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 SslExpandWriteKey(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hBaseTrafficKey, NCRYPT_KEY_HANDLE* phWriteKey, BCryptBufferDesc* pParameterList, DWORD dwFlags) #uselib "ncrypt.dll" #cfunc global SslExpandWriteKey "SslExpandWriteKey" intptr, intptr, var, var, int ; res = SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags) ; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr" ; hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "intptr" ; phWriteKey : NCRYPT_KEY_HANDLE* out -> "var" ; pParameterList : BCryptBufferDesc* optional -> "var" ; dwFlags : DWORD -> "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 SslExpandWriteKey(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hBaseTrafficKey, NCRYPT_KEY_HANDLE* phWriteKey, BCryptBufferDesc* pParameterList, DWORD dwFlags) #uselib "ncrypt.dll" #cfunc global SslExpandWriteKey "SslExpandWriteKey" intptr, intptr, intptr, intptr, int ; res = SslExpandWriteKey(hSslProvider, hBaseTrafficKey, varptr(phWriteKey), varptr(pParameterList), dwFlags) ; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr" ; hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "intptr" ; phWriteKey : NCRYPT_KEY_HANDLE* out -> "intptr" ; pParameterList : BCryptBufferDesc* optional -> "intptr" ; dwFlags : DWORD -> "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")
procSslExpandWriteKey = ncrypt.NewProc("SslExpandWriteKey")
)
// hSslProvider (NCRYPT_PROV_HANDLE), hBaseTrafficKey (NCRYPT_KEY_HANDLE), phWriteKey (NCRYPT_KEY_HANDLE* out), pParameterList (BCryptBufferDesc* optional), dwFlags (DWORD)
r1, _, err := procSslExpandWriteKey.Call(
uintptr(hSslProvider),
uintptr(hBaseTrafficKey),
uintptr(phWriteKey),
uintptr(pParameterList),
uintptr(dwFlags),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction SslExpandWriteKey(
hSslProvider: NativeUInt; // NCRYPT_PROV_HANDLE
hBaseTrafficKey: NativeUInt; // NCRYPT_KEY_HANDLE
phWriteKey: Pointer; // NCRYPT_KEY_HANDLE* out
pParameterList: Pointer; // BCryptBufferDesc* optional
dwFlags: DWORD // DWORD
): Integer; stdcall;
external 'ncrypt.dll' name 'SslExpandWriteKey';result := DllCall("ncrypt\SslExpandWriteKey"
, "UPtr", hSslProvider ; NCRYPT_PROV_HANDLE
, "UPtr", hBaseTrafficKey ; NCRYPT_KEY_HANDLE
, "Ptr", phWriteKey ; NCRYPT_KEY_HANDLE* out
, "Ptr", pParameterList ; BCryptBufferDesc* optional
, "UInt", dwFlags ; DWORD
, "Int") ; return: HRESULT●SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags) = DLL("ncrypt.dll", "int SslExpandWriteKey(int, int, void*, void*, dword)")
# 呼び出し: SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "int"
# phWriteKey : NCRYPT_KEY_HANDLE* out -> "void*"
# pParameterList : BCryptBufferDesc* optional -> "void*"
# dwFlags : DWORD -> "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)。const std = @import("std");
extern "ncrypt" fn SslExpandWriteKey(
hSslProvider: usize, // NCRYPT_PROV_HANDLE
hBaseTrafficKey: usize, // NCRYPT_KEY_HANDLE
phWriteKey: [*c]usize, // NCRYPT_KEY_HANDLE* out
pParameterList: [*c]BCryptBufferDesc, // BCryptBufferDesc* optional
dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;proc SslExpandWriteKey(
hSslProvider: uint, # NCRYPT_PROV_HANDLE
hBaseTrafficKey: uint, # NCRYPT_KEY_HANDLE
phWriteKey: ptr uint, # NCRYPT_KEY_HANDLE* out
pParameterList: ptr BCryptBufferDesc, # BCryptBufferDesc* optional
dwFlags: uint32 # DWORD
): int32 {.importc: "SslExpandWriteKey", stdcall, dynlib: "ncrypt.dll".}pragma(lib, "ncrypt");
extern(Windows)
int SslExpandWriteKey(
size_t hSslProvider, // NCRYPT_PROV_HANDLE
size_t hBaseTrafficKey, // NCRYPT_KEY_HANDLE
size_t* phWriteKey, // NCRYPT_KEY_HANDLE* out
BCryptBufferDesc* pParameterList, // BCryptBufferDesc* optional
uint dwFlags // DWORD
);ccall((:SslExpandWriteKey, "ncrypt.dll"), stdcall, Int32,
(Csize_t, Csize_t, Ptr{Csize_t}, Ptr{BCryptBufferDesc}, UInt32),
hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> Csize_t
# hBaseTrafficKey : NCRYPT_KEY_HANDLE -> Csize_t
# phWriteKey : NCRYPT_KEY_HANDLE* out -> Ptr{Csize_t}
# pParameterList : BCryptBufferDesc* optional -> Ptr{BCryptBufferDesc}
# dwFlags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t SslExpandWriteKey(
uintptr_t hSslProvider,
uintptr_t hBaseTrafficKey,
uintptr_t* phWriteKey,
void* pParameterList,
uint32_t dwFlags);
]]
local ncrypt = ffi.load("ncrypt")
-- ncrypt.SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags)
-- hSslProvider : NCRYPT_PROV_HANDLE
-- hBaseTrafficKey : NCRYPT_KEY_HANDLE
-- phWriteKey : NCRYPT_KEY_HANDLE* out
-- pParameterList : BCryptBufferDesc* optional
-- dwFlags : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('ncrypt.dll');
const SslExpandWriteKey = lib.func('__stdcall', 'SslExpandWriteKey', 'int32_t', ['uintptr_t', 'uintptr_t', 'uintptr_t *', 'void *', 'uint32_t']);
// SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags)
// hSslProvider : NCRYPT_PROV_HANDLE -> 'uintptr_t'
// hBaseTrafficKey : NCRYPT_KEY_HANDLE -> 'uintptr_t'
// phWriteKey : NCRYPT_KEY_HANDLE* out -> 'uintptr_t *'
// pParameterList : BCryptBufferDesc* optional -> 'void *'
// dwFlags : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("ncrypt.dll", {
SslExpandWriteKey: { parameters: ["usize", "usize", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags)
// hSslProvider : NCRYPT_PROV_HANDLE -> "usize"
// hBaseTrafficKey : NCRYPT_KEY_HANDLE -> "usize"
// phWriteKey : NCRYPT_KEY_HANDLE* out -> "pointer"
// pParameterList : BCryptBufferDesc* optional -> "pointer"
// dwFlags : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t SslExpandWriteKey(
size_t hSslProvider,
size_t hBaseTrafficKey,
size_t* phWriteKey,
void* pParameterList,
uint32_t dwFlags);
C, "ncrypt.dll");
// $ffi->SslExpandWriteKey(hSslProvider, hBaseTrafficKey, phWriteKey, pParameterList, dwFlags);
// hSslProvider : NCRYPT_PROV_HANDLE
// hBaseTrafficKey : NCRYPT_KEY_HANDLE
// phWriteKey : NCRYPT_KEY_HANDLE* out
// pParameterList : BCryptBufferDesc* optional
// dwFlags : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Ncrypt extends StdCallLibrary {
Ncrypt INSTANCE = Native.load("ncrypt", Ncrypt.class);
int SslExpandWriteKey(
long hSslProvider, // NCRYPT_PROV_HANDLE
long hBaseTrafficKey, // NCRYPT_KEY_HANDLE
LongByReference phWriteKey, // NCRYPT_KEY_HANDLE* out
Pointer pParameterList, // BCryptBufferDesc* optional
int dwFlags // DWORD
);
}@[Link("ncrypt")]
lib Libncrypt
fun SslExpandWriteKey = SslExpandWriteKey(
hSslProvider : LibC::SizeT, # NCRYPT_PROV_HANDLE
hBaseTrafficKey : LibC::SizeT, # NCRYPT_KEY_HANDLE
phWriteKey : LibC::SizeT*, # NCRYPT_KEY_HANDLE* out
pParameterList : BCryptBufferDesc*, # BCryptBufferDesc* optional
dwFlags : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef SslExpandWriteKeyNative = Int32 Function(UintPtr, UintPtr, Pointer<UintPtr>, Pointer<Void>, Uint32);
typedef SslExpandWriteKeyDart = int Function(int, int, Pointer<UintPtr>, Pointer<Void>, int);
final SslExpandWriteKey = DynamicLibrary.open('ncrypt.dll')
.lookupFunction<SslExpandWriteKeyNative, SslExpandWriteKeyDart>('SslExpandWriteKey');
// hSslProvider : NCRYPT_PROV_HANDLE -> UintPtr
// hBaseTrafficKey : NCRYPT_KEY_HANDLE -> UintPtr
// phWriteKey : NCRYPT_KEY_HANDLE* out -> Pointer<UintPtr>
// pParameterList : BCryptBufferDesc* optional -> Pointer<Void>
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SslExpandWriteKey(
hSslProvider: NativeUInt; // NCRYPT_PROV_HANDLE
hBaseTrafficKey: NativeUInt; // NCRYPT_KEY_HANDLE
phWriteKey: Pointer; // NCRYPT_KEY_HANDLE* out
pParameterList: Pointer; // BCryptBufferDesc* optional
dwFlags: DWORD // DWORD
): Integer; stdcall;
external 'ncrypt.dll' name 'SslExpandWriteKey';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SslExpandWriteKey"
c_SslExpandWriteKey :: CUIntPtr -> CUIntPtr -> Ptr CUIntPtr -> Ptr () -> Word32 -> IO Int32
-- hSslProvider : NCRYPT_PROV_HANDLE -> CUIntPtr
-- hBaseTrafficKey : NCRYPT_KEY_HANDLE -> CUIntPtr
-- phWriteKey : NCRYPT_KEY_HANDLE* out -> Ptr CUIntPtr
-- pParameterList : BCryptBufferDesc* optional -> Ptr ()
-- dwFlags : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let sslexpandwritekey =
foreign "SslExpandWriteKey"
(size_t @-> size_t @-> (ptr size_t) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* hSslProvider : NCRYPT_PROV_HANDLE -> size_t *)
(* hBaseTrafficKey : NCRYPT_KEY_HANDLE -> size_t *)
(* phWriteKey : NCRYPT_KEY_HANDLE* out -> (ptr size_t) *)
(* pParameterList : BCryptBufferDesc* optional -> (ptr void) *)
(* dwFlags : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library ncrypt (t "ncrypt.dll"))
(cffi:use-foreign-library ncrypt)
(cffi:defcfun ("SslExpandWriteKey" ssl-expand-write-key :convention :stdcall) :int32
(h-ssl-provider :uint64) ; NCRYPT_PROV_HANDLE
(h-base-traffic-key :uint64) ; NCRYPT_KEY_HANDLE
(ph-write-key :pointer) ; NCRYPT_KEY_HANDLE* out
(p-parameter-list :pointer) ; BCryptBufferDesc* optional
(dw-flags :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SslExpandWriteKey = Win32::API::More->new('ncrypt',
'int SslExpandWriteKey(WPARAM hSslProvider, WPARAM hBaseTrafficKey, LPVOID phWriteKey, LPVOID pParameterList, DWORD dwFlags)');
# my $ret = $SslExpandWriteKey->Call($hSslProvider, $hBaseTrafficKey, $phWriteKey, $pParameterList, $dwFlags);
# hSslProvider : NCRYPT_PROV_HANDLE -> WPARAM
# hBaseTrafficKey : NCRYPT_KEY_HANDLE -> WPARAM
# phWriteKey : NCRYPT_KEY_HANDLE* out -> LPVOID
# pParameterList : BCryptBufferDesc* optional -> LPVOID
# dwFlags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
使用する型