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SslExpandTrafficKeys

関数

TLS1.3でクライアントとサーバーのトラフィック鍵を展開する。

DLLncrypt.dll呼出規約winapi

シグネチャ

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

HRESULT SslExpandTrafficKeys(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hBaseKey,
    NCRYPT_HASH_HANDLE hHashValue,
    NCRYPT_KEY_HANDLE* phClientTrafficKey,   // optional
    NCRYPT_KEY_HANDLE* phServerTrafficKey,   // optional
    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。
hBaseKey	NCRYPT_KEY_HANDLE	in	トラフィック鍵を展開する基となる鍵ハンドル。
hHashValue	NCRYPT_HASH_HANDLE	in	トランスクリプトハッシュのハンドル。
phClientTrafficKey	NCRYPT_KEY_HANDLE*	outoptional	展開されたクライアント側トラフィック鍵のハンドルを受け取る出力先。
phServerTrafficKey	NCRYPT_KEY_HANDLE*	outoptional	展開されたサーバ側トラフィック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 SslExpandTrafficKeys(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hBaseKey,
    NCRYPT_HASH_HANDLE hHashValue,
    NCRYPT_KEY_HANDLE* phClientTrafficKey,   // optional
    NCRYPT_KEY_HANDLE* phServerTrafficKey,   // optional
    BCryptBufferDesc* pParameterList,   // optional
    DWORD dwFlags
);

[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int SslExpandTrafficKeys(
    UIntPtr hSslProvider,   // NCRYPT_PROV_HANDLE
    UIntPtr hBaseKey,   // NCRYPT_KEY_HANDLE
    UIntPtr hHashValue,   // NCRYPT_HASH_HANDLE
    IntPtr phClientTrafficKey,   // NCRYPT_KEY_HANDLE* optional, out
    IntPtr phServerTrafficKey,   // NCRYPT_KEY_HANDLE* optional, out
    IntPtr pParameterList,   // BCryptBufferDesc* optional
    uint dwFlags   // DWORD
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslExpandTrafficKeys(
    hSslProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    hBaseKey As UIntPtr,   ' NCRYPT_KEY_HANDLE
    hHashValue As UIntPtr,   ' NCRYPT_HASH_HANDLE
    phClientTrafficKey As IntPtr,   ' NCRYPT_KEY_HANDLE* optional, out
    phServerTrafficKey As IntPtr,   ' NCRYPT_KEY_HANDLE* optional, out
    pParameterList As IntPtr,   ' BCryptBufferDesc* optional
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hSslProvider : NCRYPT_PROV_HANDLE
' hBaseKey : NCRYPT_KEY_HANDLE
' hHashValue : NCRYPT_HASH_HANDLE
' phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out
' phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, out
' pParameterList : BCryptBufferDesc* optional
' dwFlags : DWORD
Declare PtrSafe Function SslExpandTrafficKeys Lib "ncrypt" ( _
    ByVal hSslProvider As LongPtr, _
    ByVal hBaseKey As LongPtr, _
    ByVal hHashValue As LongPtr, _
    ByVal phClientTrafficKey As LongPtr, _
    ByVal phServerTrafficKey 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

SslExpandTrafficKeys = ctypes.windll.ncrypt.SslExpandTrafficKeys
SslExpandTrafficKeys.restype = ctypes.c_int
SslExpandTrafficKeys.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
    ctypes.c_size_t,  # hBaseKey : NCRYPT_KEY_HANDLE
    ctypes.c_size_t,  # hHashValue : NCRYPT_HASH_HANDLE
    ctypes.c_void_p,  # phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out
    ctypes.c_void_p,  # phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, out
    ctypes.c_void_p,  # pParameterList : BCryptBufferDesc* optional
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
SslExpandTrafficKeys = Fiddle::Function.new(
  lib['SslExpandTrafficKeys'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
    Fiddle::TYPE_UINTPTR_T,  # hBaseKey : NCRYPT_KEY_HANDLE
    Fiddle::TYPE_UINTPTR_T,  # hHashValue : NCRYPT_HASH_HANDLE
    Fiddle::TYPE_VOIDP,  # phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out
    Fiddle::TYPE_VOIDP,  # phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, out
    Fiddle::TYPE_VOIDP,  # pParameterList : BCryptBufferDesc* optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn SslExpandTrafficKeys(
        hSslProvider: usize,  // NCRYPT_PROV_HANDLE
        hBaseKey: usize,  // NCRYPT_KEY_HANDLE
        hHashValue: usize,  // NCRYPT_HASH_HANDLE
        phClientTrafficKey: *mut usize,  // NCRYPT_KEY_HANDLE* optional, out
        phServerTrafficKey: *mut usize,  // NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(UIntPtr hSslProvider, UIntPtr hBaseKey, UIntPtr hHashValue, IntPtr phClientTrafficKey, IntPtr phServerTrafficKey, IntPtr pParameterList, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslExpandTrafficKeys' -Namespace Win32 -PassThru
# $api::SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)

#uselib "ncrypt.dll"
#func global SslExpandTrafficKeys "SslExpandTrafficKeys" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SslExpandTrafficKeys hSslProvider, hBaseKey, hHashValue, varptr(phClientTrafficKey), varptr(phServerTrafficKey), varptr(pParameterList), dwFlags   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hBaseKey : NCRYPT_KEY_HANDLE -> "sptr"
; hHashValue : NCRYPT_HASH_HANDLE -> "sptr"
; phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "sptr"
; phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys "SslExpandTrafficKeys" sptr, sptr, sptr, var, var, var, int
; res = SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hBaseKey : NCRYPT_KEY_HANDLE -> "sptr"
; hHashValue : NCRYPT_HASH_HANDLE -> "sptr"
; phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "var"
; phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys "SslExpandTrafficKeys" sptr, sptr, sptr, sptr, sptr, sptr, int
; res = SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, varptr(phClientTrafficKey), varptr(phServerTrafficKey), varptr(pParameterList), dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hBaseKey : NCRYPT_KEY_HANDLE -> "sptr"
; hHashValue : NCRYPT_HASH_HANDLE -> "sptr"
; phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "sptr"
; phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hBaseKey, NCRYPT_HASH_HANDLE hHashValue, NCRYPT_KEY_HANDLE* phClientTrafficKey, NCRYPT_KEY_HANDLE* phServerTrafficKey, BCryptBufferDesc* pParameterList, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslExpandTrafficKeys "SslExpandTrafficKeys" intptr, intptr, intptr, var, var, var, int
; res = SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hBaseKey : NCRYPT_KEY_HANDLE -> "intptr"
; hHashValue : NCRYPT_HASH_HANDLE -> "intptr"
; phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "var"
; phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hBaseKey, NCRYPT_HASH_HANDLE hHashValue, NCRYPT_KEY_HANDLE* phClientTrafficKey, NCRYPT_KEY_HANDLE* phServerTrafficKey, BCryptBufferDesc* pParameterList, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslExpandTrafficKeys "SslExpandTrafficKeys" intptr, intptr, intptr, intptr, intptr, intptr, int
; res = SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, varptr(phClientTrafficKey), varptr(phServerTrafficKey), varptr(pParameterList), dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hBaseKey : NCRYPT_KEY_HANDLE -> "intptr"
; hHashValue : NCRYPT_HASH_HANDLE -> "intptr"
; phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "intptr"
; phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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")
	procSslExpandTrafficKeys = ncrypt.NewProc("SslExpandTrafficKeys")
)

// hSslProvider (NCRYPT_PROV_HANDLE), hBaseKey (NCRYPT_KEY_HANDLE), hHashValue (NCRYPT_HASH_HANDLE), phClientTrafficKey (NCRYPT_KEY_HANDLE* optional, out), phServerTrafficKey (NCRYPT_KEY_HANDLE* optional, out), pParameterList (BCryptBufferDesc* optional), dwFlags (DWORD)
r1, _, err := procSslExpandTrafficKeys.Call(
	uintptr(hSslProvider),
	uintptr(hBaseKey),
	uintptr(hHashValue),
	uintptr(phClientTrafficKey),
	uintptr(phServerTrafficKey),
	uintptr(pParameterList),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SslExpandTrafficKeys(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  hBaseKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  hHashValue: NativeUInt;   // NCRYPT_HASH_HANDLE
  phClientTrafficKey: Pointer;   // NCRYPT_KEY_HANDLE* optional, out
  phServerTrafficKey: Pointer;   // NCRYPT_KEY_HANDLE* optional, out
  pParameterList: Pointer;   // BCryptBufferDesc* optional
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslExpandTrafficKeys';

result := DllCall("ncrypt\SslExpandTrafficKeys"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "UPtr", hBaseKey   ; NCRYPT_KEY_HANDLE
    , "UPtr", hHashValue   ; NCRYPT_HASH_HANDLE
    , "Ptr", phClientTrafficKey   ; NCRYPT_KEY_HANDLE* optional, out
    , "Ptr", phServerTrafficKey   ; NCRYPT_KEY_HANDLE* optional, out
    , "Ptr", pParameterList   ; BCryptBufferDesc* optional
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags) = DLL("ncrypt.dll", "int SslExpandTrafficKeys(int, int, int, void*, void*, void*, dword)")
# 呼び出し: SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# hBaseKey : NCRYPT_KEY_HANDLE -> "int"
# hHashValue : NCRYPT_HASH_HANDLE -> "int"
# phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "void*"
# phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(
    hSslProvider: usize, // NCRYPT_PROV_HANDLE
    hBaseKey: usize, // NCRYPT_KEY_HANDLE
    hHashValue: usize, // NCRYPT_HASH_HANDLE
    phClientTrafficKey: [*c]usize, // NCRYPT_KEY_HANDLE* optional, out
    phServerTrafficKey: [*c]usize, // NCRYPT_KEY_HANDLE* optional, out
    pParameterList: [*c]BCryptBufferDesc, // BCryptBufferDesc* optional
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc SslExpandTrafficKeys(
    hSslProvider: uint,  # NCRYPT_PROV_HANDLE
    hBaseKey: uint,  # NCRYPT_KEY_HANDLE
    hHashValue: uint,  # NCRYPT_HASH_HANDLE
    phClientTrafficKey: ptr uint,  # NCRYPT_KEY_HANDLE* optional, out
    phServerTrafficKey: ptr uint,  # NCRYPT_KEY_HANDLE* optional, out
    pParameterList: ptr BCryptBufferDesc,  # BCryptBufferDesc* optional
    dwFlags: uint32  # DWORD
): int32 {.importc: "SslExpandTrafficKeys", stdcall, dynlib: "ncrypt.dll".}

pragma(lib, "ncrypt");
extern(Windows)
int SslExpandTrafficKeys(
    size_t hSslProvider,   // NCRYPT_PROV_HANDLE
    size_t hBaseKey,   // NCRYPT_KEY_HANDLE
    size_t hHashValue,   // NCRYPT_HASH_HANDLE
    size_t* phClientTrafficKey,   // NCRYPT_KEY_HANDLE* optional, out
    size_t* phServerTrafficKey,   // NCRYPT_KEY_HANDLE* optional, out
    BCryptBufferDesc* pParameterList,   // BCryptBufferDesc* optional
    uint dwFlags   // DWORD
);

ccall((:SslExpandTrafficKeys, "ncrypt.dll"), stdcall, Int32,
      (Csize_t, Csize_t, Csize_t, Ptr{Csize_t}, Ptr{Csize_t}, Ptr{BCryptBufferDesc}, UInt32),
      hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> Csize_t
# hBaseKey : NCRYPT_KEY_HANDLE -> Csize_t
# hHashValue : NCRYPT_HASH_HANDLE -> Csize_t
# phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> Ptr{Csize_t}
# phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(
    uintptr_t hSslProvider,
    uintptr_t hBaseKey,
    uintptr_t hHashValue,
    uintptr_t* phClientTrafficKey,
    uintptr_t* phServerTrafficKey,
    void* pParameterList,
    uint32_t dwFlags);
]]
local ncrypt = ffi.load("ncrypt")
-- ncrypt.SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
-- hSslProvider : NCRYPT_PROV_HANDLE
-- hBaseKey : NCRYPT_KEY_HANDLE
-- hHashValue : NCRYPT_HASH_HANDLE
-- phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out
-- phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys = lib.func('__stdcall', 'SslExpandTrafficKeys', 'int32_t', ['uintptr_t', 'uintptr_t', 'uintptr_t', 'uintptr_t *', 'uintptr_t *', 'void *', 'uint32_t']);
// SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
// hSslProvider : NCRYPT_PROV_HANDLE -> 'uintptr_t'
// hBaseKey : NCRYPT_KEY_HANDLE -> 'uintptr_t'
// hHashValue : NCRYPT_HASH_HANDLE -> 'uintptr_t'
// phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> 'uintptr_t *'
// phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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", {
  SslExpandTrafficKeys: { parameters: ["usize", "usize", "usize", "pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags)
// hSslProvider : NCRYPT_PROV_HANDLE -> "usize"
// hBaseKey : NCRYPT_KEY_HANDLE -> "usize"
// hHashValue : NCRYPT_HASH_HANDLE -> "usize"
// phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> "pointer"
// phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(
    size_t hSslProvider,
    size_t hBaseKey,
    size_t hHashValue,
    size_t* phClientTrafficKey,
    size_t* phServerTrafficKey,
    void* pParameterList,
    uint32_t dwFlags);
C, "ncrypt.dll");
// $ffi->SslExpandTrafficKeys(hSslProvider, hBaseKey, hHashValue, phClientTrafficKey, phServerTrafficKey, pParameterList, dwFlags);
// hSslProvider : NCRYPT_PROV_HANDLE
// hBaseKey : NCRYPT_KEY_HANDLE
// hHashValue : NCRYPT_HASH_HANDLE
// phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out
// phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(
        long hSslProvider,   // NCRYPT_PROV_HANDLE
        long hBaseKey,   // NCRYPT_KEY_HANDLE
        long hHashValue,   // NCRYPT_HASH_HANDLE
        LongByReference phClientTrafficKey,   // NCRYPT_KEY_HANDLE* optional, out
        LongByReference phServerTrafficKey,   // NCRYPT_KEY_HANDLE* optional, out
        Pointer pParameterList,   // BCryptBufferDesc* optional
        int dwFlags   // DWORD
    );
}

@[Link("ncrypt")]
lib Libncrypt
  fun SslExpandTrafficKeys = SslExpandTrafficKeys(
    hSslProvider : LibC::SizeT,   # NCRYPT_PROV_HANDLE
    hBaseKey : LibC::SizeT,   # NCRYPT_KEY_HANDLE
    hHashValue : LibC::SizeT,   # NCRYPT_HASH_HANDLE
    phClientTrafficKey : LibC::SizeT*,   # NCRYPT_KEY_HANDLE* optional, out
    phServerTrafficKey : LibC::SizeT*,   # NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeysNative = Int32 Function(UintPtr, UintPtr, UintPtr, Pointer<UintPtr>, Pointer<UintPtr>, Pointer<Void>, Uint32);
typedef SslExpandTrafficKeysDart = int Function(int, int, int, Pointer<UintPtr>, Pointer<UintPtr>, Pointer<Void>, int);
final SslExpandTrafficKeys = DynamicLibrary.open('ncrypt.dll')
    .lookupFunction<SslExpandTrafficKeysNative, SslExpandTrafficKeysDart>('SslExpandTrafficKeys');
// hSslProvider : NCRYPT_PROV_HANDLE -> UintPtr
// hBaseKey : NCRYPT_KEY_HANDLE -> UintPtr
// hHashValue : NCRYPT_HASH_HANDLE -> UintPtr
// phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> Pointer<UintPtr>
// phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 SslExpandTrafficKeys(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  hBaseKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  hHashValue: NativeUInt;   // NCRYPT_HASH_HANDLE
  phClientTrafficKey: Pointer;   // NCRYPT_KEY_HANDLE* optional, out
  phServerTrafficKey: Pointer;   // NCRYPT_KEY_HANDLE* optional, out
  pParameterList: Pointer;   // BCryptBufferDesc* optional
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslExpandTrafficKeys';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SslExpandTrafficKeys"
  c_SslExpandTrafficKeys :: CUIntPtr -> CUIntPtr -> CUIntPtr -> Ptr CUIntPtr -> Ptr CUIntPtr -> Ptr () -> Word32 -> IO Int32
-- hSslProvider : NCRYPT_PROV_HANDLE -> CUIntPtr
-- hBaseKey : NCRYPT_KEY_HANDLE -> CUIntPtr
-- hHashValue : NCRYPT_HASH_HANDLE -> CUIntPtr
-- phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> Ptr CUIntPtr
-- phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 sslexpandtraffickeys =
  foreign "SslExpandTrafficKeys"
    (size_t @-> size_t @-> size_t @-> (ptr size_t) @-> (ptr size_t) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* hSslProvider : NCRYPT_PROV_HANDLE -> size_t *)
(* hBaseKey : NCRYPT_KEY_HANDLE -> size_t *)
(* hHashValue : NCRYPT_HASH_HANDLE -> size_t *)
(* phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> (ptr size_t) *)
(* phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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 ("SslExpandTrafficKeys" ssl-expand-traffic-keys :convention :stdcall) :int32
  (h-ssl-provider :uint64)   ; NCRYPT_PROV_HANDLE
  (h-base-key :uint64)   ; NCRYPT_KEY_HANDLE
  (h-hash-value :uint64)   ; NCRYPT_HASH_HANDLE
  (ph-client-traffic-key :pointer)   ; NCRYPT_KEY_HANDLE* optional, out
  (ph-server-traffic-key :pointer)   ; NCRYPT_KEY_HANDLE* optional, 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 $SslExpandTrafficKeys = Win32::API::More->new('ncrypt',
    'int SslExpandTrafficKeys(WPARAM hSslProvider, WPARAM hBaseKey, WPARAM hHashValue, LPVOID phClientTrafficKey, LPVOID phServerTrafficKey, LPVOID pParameterList, DWORD dwFlags)');
# my $ret = $SslExpandTrafficKeys->Call($hSslProvider, $hBaseKey, $hHashValue, $phClientTrafficKey, $phServerTrafficKey, $pParameterList, $dwFlags);
# hSslProvider : NCRYPT_PROV_HANDLE -> WPARAM
# hBaseKey : NCRYPT_KEY_HANDLE -> WPARAM
# hHashValue : NCRYPT_HASH_HANDLE -> WPARAM
# phClientTrafficKey : NCRYPT_KEY_HANDLE* optional, out -> LPVOID
# phServerTrafficKey : NCRYPT_KEY_HANDLE* optional, 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。

SslExpandTrafficKeys

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