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CreateEnclave

関数

プロセス内に指定種別のセキュアエンクレーブを作成する。

DLLKERNEL32.dll呼出規約winapiSetLastErrorあり対応OSWindows 10 以降

シグネチャ

// KERNEL32.dll
#include <windows.h>

void* CreateEnclave(
    HANDLE hProcess,
    void* lpAddress,   // optional
    UINT_PTR dwSize,
    UINT_PTR dwInitialCommitment,
    DWORD flEnclaveType,
    const void* lpEnclaveInformation,
    DWORD dwInfoLength,
    DWORD* lpEnclaveError   // optional
);

パラメーター

名前	型	方向	説明
hProcess	HANDLE	in	エンクレーブを作成する対象プロセスのハンドル。
lpAddress	void*	inoptional	エンクレーブを配置する希望アドレス。任意の場合はNULL可。
dwSize	UINT_PTR	in	エンクレーブ用に予約する仮想アドレス空間のサイズ(バイト)。
dwInitialCommitment	UINT_PTR	in	初期コミットするバイト数。
flEnclaveType	DWORD	in	作成するエンクレーブの種別(ENCLAVE_TYPE_SGX等)。
lpEnclaveInformation	void*	in	種別固有の構成情報を格納した構造体へのポインタ。
dwInfoLength	DWORD	in	lpEnclaveInformationのサイズ(バイト)。
lpEnclaveError	DWORD*	outoptional	種別固有のエラーコードを受け取るDWORDへのポインタ。NULL可。

戻り値の型: void*

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

void* CreateEnclave(
    HANDLE hProcess,
    void* lpAddress,   // optional
    UINT_PTR dwSize,
    UINT_PTR dwInitialCommitment,
    DWORD flEnclaveType,
    const void* lpEnclaveInformation,
    DWORD dwInfoLength,
    DWORD* lpEnclaveError   // optional
);

[DllImport("KERNEL32.dll", SetLastError = true, ExactSpelling = true)]
static extern IntPtr CreateEnclave(
    IntPtr hProcess,   // HANDLE
    IntPtr lpAddress,   // void* optional
    UIntPtr dwSize,   // UINT_PTR
    UIntPtr dwInitialCommitment,   // UINT_PTR
    uint flEnclaveType,   // DWORD
    IntPtr lpEnclaveInformation,   // void*
    uint dwInfoLength,   // DWORD
    IntPtr lpEnclaveError   // DWORD* optional, out
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CreateEnclave(
    hProcess As IntPtr,   ' HANDLE
    lpAddress As IntPtr,   ' void* optional
    dwSize As UIntPtr,   ' UINT_PTR
    dwInitialCommitment As UIntPtr,   ' UINT_PTR
    flEnclaveType As UInteger,   ' DWORD
    lpEnclaveInformation As IntPtr,   ' void*
    dwInfoLength As UInteger,   ' DWORD
    lpEnclaveError As IntPtr   ' DWORD* optional, out
) As IntPtr
End Function

' hProcess : HANDLE
' lpAddress : void* optional
' dwSize : UINT_PTR
' dwInitialCommitment : UINT_PTR
' flEnclaveType : DWORD
' lpEnclaveInformation : void*
' dwInfoLength : DWORD
' lpEnclaveError : DWORD* optional, out
Declare PtrSafe Function CreateEnclave Lib "kernel32" ( _
    ByVal hProcess As LongPtr, _
    ByVal lpAddress As LongPtr, _
    ByVal dwSize As LongPtr, _
    ByVal dwInitialCommitment As LongPtr, _
    ByVal flEnclaveType As Long, _
    ByVal lpEnclaveInformation As LongPtr, _
    ByVal dwInfoLength As Long, _
    ByVal lpEnclaveError As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CreateEnclave = ctypes.windll.kernel32.CreateEnclave
CreateEnclave.restype = ctypes.c_void_p
CreateEnclave.argtypes = [
    wintypes.HANDLE,  # hProcess : HANDLE
    ctypes.POINTER(None),  # lpAddress : void* optional
    ctypes.c_size_t,  # dwSize : UINT_PTR
    ctypes.c_size_t,  # dwInitialCommitment : UINT_PTR
    wintypes.DWORD,  # flEnclaveType : DWORD
    ctypes.POINTER(None),  # lpEnclaveInformation : void*
    wintypes.DWORD,  # dwInfoLength : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpEnclaveError : DWORD* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
CreateEnclave = Fiddle::Function.new(
  lib['CreateEnclave'],
  [
    Fiddle::TYPE_VOIDP,  # hProcess : HANDLE
    Fiddle::TYPE_VOIDP,  # lpAddress : void* optional
    Fiddle::TYPE_UINTPTR_T,  # dwSize : UINT_PTR
    Fiddle::TYPE_UINTPTR_T,  # dwInitialCommitment : UINT_PTR
    -Fiddle::TYPE_INT,  # flEnclaveType : DWORD
    Fiddle::TYPE_VOIDP,  # lpEnclaveInformation : void*
    -Fiddle::TYPE_INT,  # dwInfoLength : DWORD
    Fiddle::TYPE_VOIDP,  # lpEnclaveError : DWORD* optional, out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "kernel32")]
extern "system" {
    fn CreateEnclave(
        hProcess: *mut core::ffi::c_void,  // HANDLE
        lpAddress: *mut (),  // void* optional
        dwSize: usize,  // UINT_PTR
        dwInitialCommitment: usize,  // UINT_PTR
        flEnclaveType: u32,  // DWORD
        lpEnclaveInformation: *const (),  // void*
        dwInfoLength: u32,  // DWORD
        lpEnclaveError: *mut u32  // DWORD* optional, out
    ) -> *mut ();
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern IntPtr CreateEnclave(IntPtr hProcess, IntPtr lpAddress, UIntPtr dwSize, UIntPtr dwInitialCommitment, uint flEnclaveType, IntPtr lpEnclaveInformation, uint dwInfoLength, IntPtr lpEnclaveError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_CreateEnclave' -Namespace Win32 -PassThru
# $api::CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)

#uselib "KERNEL32.dll"
#func global CreateEnclave "CreateEnclave" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CreateEnclave hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, varptr(lpEnclaveError)   ; 戻り値は stat
; hProcess : HANDLE -> "sptr"
; lpAddress : void* optional -> "sptr"
; dwSize : UINT_PTR -> "sptr"
; dwInitialCommitment : UINT_PTR -> "sptr"
; flEnclaveType : DWORD -> "sptr"
; lpEnclaveInformation : void* -> "sptr"
; dwInfoLength : DWORD -> "sptr"
; lpEnclaveError : DWORD* 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 "KERNEL32.dll"
#cfunc global CreateEnclave "CreateEnclave" sptr, sptr, sptr, sptr, int, sptr, int, var
; res = CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
; hProcess : HANDLE -> "sptr"
; lpAddress : void* optional -> "sptr"
; dwSize : UINT_PTR -> "sptr"
; dwInitialCommitment : UINT_PTR -> "sptr"
; flEnclaveType : DWORD -> "int"
; lpEnclaveInformation : void* -> "sptr"
; dwInfoLength : DWORD -> "int"
; lpEnclaveError : DWORD* optional, out -> "var"
; ※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 "KERNEL32.dll"
#cfunc global CreateEnclave "CreateEnclave" sptr, sptr, sptr, sptr, int, sptr, int, sptr
; res = CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, varptr(lpEnclaveError))
; hProcess : HANDLE -> "sptr"
; lpAddress : void* optional -> "sptr"
; dwSize : UINT_PTR -> "sptr"
; dwInitialCommitment : UINT_PTR -> "sptr"
; flEnclaveType : DWORD -> "int"
; lpEnclaveInformation : void* -> "sptr"
; dwInfoLength : DWORD -> "int"
; lpEnclaveError : DWORD* 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:

; void* CreateEnclave(HANDLE hProcess, void* lpAddress, UINT_PTR dwSize, UINT_PTR dwInitialCommitment, DWORD flEnclaveType, void* lpEnclaveInformation, DWORD dwInfoLength, DWORD* lpEnclaveError)
#uselib "KERNEL32.dll"
#cfunc global CreateEnclave "CreateEnclave" intptr, intptr, intptr, intptr, int, intptr, int, var
; res = CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
; hProcess : HANDLE -> "intptr"
; lpAddress : void* optional -> "intptr"
; dwSize : UINT_PTR -> "intptr"
; dwInitialCommitment : UINT_PTR -> "intptr"
; flEnclaveType : DWORD -> "int"
; lpEnclaveInformation : void* -> "intptr"
; dwInfoLength : DWORD -> "int"
; lpEnclaveError : DWORD* optional, out -> "var"
; ※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。; void* CreateEnclave(HANDLE hProcess, void* lpAddress, UINT_PTR dwSize, UINT_PTR dwInitialCommitment, DWORD flEnclaveType, void* lpEnclaveInformation, DWORD dwInfoLength, DWORD* lpEnclaveError)
#uselib "KERNEL32.dll"
#cfunc global CreateEnclave "CreateEnclave" intptr, intptr, intptr, intptr, int, intptr, int, intptr
; res = CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, varptr(lpEnclaveError))
; hProcess : HANDLE -> "intptr"
; lpAddress : void* optional -> "intptr"
; dwSize : UINT_PTR -> "intptr"
; dwInitialCommitment : UINT_PTR -> "intptr"
; flEnclaveType : DWORD -> "int"
; lpEnclaveInformation : void* -> "intptr"
; dwInfoLength : DWORD -> "int"
; lpEnclaveError : DWORD* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procCreateEnclave = kernel32.NewProc("CreateEnclave")
)

// hProcess (HANDLE), lpAddress (void* optional), dwSize (UINT_PTR), dwInitialCommitment (UINT_PTR), flEnclaveType (DWORD), lpEnclaveInformation (void*), dwInfoLength (DWORD), lpEnclaveError (DWORD* optional, out)
r1, _, err := procCreateEnclave.Call(
	uintptr(hProcess),
	uintptr(lpAddress),
	uintptr(dwSize),
	uintptr(dwInitialCommitment),
	uintptr(flEnclaveType),
	uintptr(lpEnclaveInformation),
	uintptr(dwInfoLength),
	uintptr(lpEnclaveError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void*

function CreateEnclave(
  hProcess: THandle;   // HANDLE
  lpAddress: Pointer;   // void* optional
  dwSize: NativeUInt;   // UINT_PTR
  dwInitialCommitment: NativeUInt;   // UINT_PTR
  flEnclaveType: DWORD;   // DWORD
  lpEnclaveInformation: Pointer;   // void*
  dwInfoLength: DWORD;   // DWORD
  lpEnclaveError: Pointer   // DWORD* optional, out
): Pointer; stdcall;
  external 'KERNEL32.dll' name 'CreateEnclave';

result := DllCall("KERNEL32\CreateEnclave"
    , "Ptr", hProcess   ; HANDLE
    , "Ptr", lpAddress   ; void* optional
    , "UPtr", dwSize   ; UINT_PTR
    , "UPtr", dwInitialCommitment   ; UINT_PTR
    , "UInt", flEnclaveType   ; DWORD
    , "Ptr", lpEnclaveInformation   ; void*
    , "UInt", dwInfoLength   ; DWORD
    , "Ptr", lpEnclaveError   ; DWORD* optional, out
    , "Ptr")   ; return: void*

●CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError) = DLL("KERNEL32.dll", "void* CreateEnclave(void*, void*, int, int, dword, void*, dword, void*)")
# 呼び出し: CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
# hProcess : HANDLE -> "void*"
# lpAddress : void* optional -> "void*"
# dwSize : UINT_PTR -> "int"
# dwInitialCommitment : UINT_PTR -> "int"
# flEnclaveType : DWORD -> "dword"
# lpEnclaveInformation : void* -> "void*"
# dwInfoLength : DWORD -> "dword"
# lpEnclaveError : DWORD* 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)。

const std = @import("std");

extern "kernel32" fn CreateEnclave(
    hProcess: ?*anyopaque, // HANDLE
    lpAddress: ?*anyopaque, // void* optional
    dwSize: usize, // UINT_PTR
    dwInitialCommitment: usize, // UINT_PTR
    flEnclaveType: u32, // DWORD
    lpEnclaveInformation: ?*anyopaque, // void*
    dwInfoLength: u32, // DWORD
    lpEnclaveError: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc CreateEnclave(
    hProcess: pointer,  # HANDLE
    lpAddress: pointer,  # void* optional
    dwSize: uint,  # UINT_PTR
    dwInitialCommitment: uint,  # UINT_PTR
    flEnclaveType: uint32,  # DWORD
    lpEnclaveInformation: pointer,  # void*
    dwInfoLength: uint32,  # DWORD
    lpEnclaveError: ptr uint32  # DWORD* optional, out
): pointer {.importc: "CreateEnclave", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
void* CreateEnclave(
    void* hProcess,   // HANDLE
    void* lpAddress,   // void* optional
    size_t dwSize,   // UINT_PTR
    size_t dwInitialCommitment,   // UINT_PTR
    uint flEnclaveType,   // DWORD
    void* lpEnclaveInformation,   // void*
    uint dwInfoLength,   // DWORD
    uint* lpEnclaveError   // DWORD* optional, out
);

ccall((:CreateEnclave, "KERNEL32.dll"), stdcall, Ptr{Cvoid},
      (Ptr{Cvoid}, Ptr{Cvoid}, Csize_t, Csize_t, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
# hProcess : HANDLE -> Ptr{Cvoid}
# lpAddress : void* optional -> Ptr{Cvoid}
# dwSize : UINT_PTR -> Csize_t
# dwInitialCommitment : UINT_PTR -> Csize_t
# flEnclaveType : DWORD -> UInt32
# lpEnclaveInformation : void* -> Ptr{Cvoid}
# dwInfoLength : DWORD -> UInt32
# lpEnclaveError : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* CreateEnclave(
    void* hProcess,
    void* lpAddress,
    uintptr_t dwSize,
    uintptr_t dwInitialCommitment,
    uint32_t flEnclaveType,
    void* lpEnclaveInformation,
    uint32_t dwInfoLength,
    uint32_t* lpEnclaveError);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
-- hProcess : HANDLE
-- lpAddress : void* optional
-- dwSize : UINT_PTR
-- dwInitialCommitment : UINT_PTR
-- flEnclaveType : DWORD
-- lpEnclaveInformation : void*
-- dwInfoLength : DWORD
-- lpEnclaveError : DWORD* optional, out
-- 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('KERNEL32.dll');
const CreateEnclave = lib.func('__stdcall', 'CreateEnclave', 'void *', ['void *', 'void *', 'uintptr_t', 'uintptr_t', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
// hProcess : HANDLE -> 'void *'
// lpAddress : void* optional -> 'void *'
// dwSize : UINT_PTR -> 'uintptr_t'
// dwInitialCommitment : UINT_PTR -> 'uintptr_t'
// flEnclaveType : DWORD -> 'uint32_t'
// lpEnclaveInformation : void* -> 'void *'
// dwInfoLength : DWORD -> 'uint32_t'
// lpEnclaveError : DWORD* optional, out -> '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("KERNEL32.dll", {
  CreateEnclave: { parameters: ["pointer", "pointer", "usize", "usize", "u32", "pointer", "u32", "pointer"], result: "pointer" },
});
// lib.symbols.CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError)
// hProcess : HANDLE -> "pointer"
// lpAddress : void* optional -> "pointer"
// dwSize : UINT_PTR -> "usize"
// dwInitialCommitment : UINT_PTR -> "usize"
// flEnclaveType : DWORD -> "u32"
// lpEnclaveInformation : void* -> "pointer"
// dwInfoLength : DWORD -> "u32"
// lpEnclaveError : DWORD* optional, out -> "pointer"
// 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
void* CreateEnclave(
    void* hProcess,
    void* lpAddress,
    size_t dwSize,
    size_t dwInitialCommitment,
    uint32_t flEnclaveType,
    void* lpEnclaveInformation,
    uint32_t dwInfoLength,
    uint32_t* lpEnclaveError);
C, "KERNEL32.dll");
// $ffi->CreateEnclave(hProcess, lpAddress, dwSize, dwInitialCommitment, flEnclaveType, lpEnclaveInformation, dwInfoLength, lpEnclaveError);
// hProcess : HANDLE
// lpAddress : void* optional
// dwSize : UINT_PTR
// dwInitialCommitment : UINT_PTR
// flEnclaveType : DWORD
// lpEnclaveInformation : void*
// dwInfoLength : DWORD
// lpEnclaveError : DWORD* optional, out
// 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    Pointer CreateEnclave(
        Pointer hProcess,   // HANDLE
        Pointer lpAddress,   // void* optional
        long dwSize,   // UINT_PTR
        long dwInitialCommitment,   // UINT_PTR
        int flEnclaveType,   // DWORD
        Pointer lpEnclaveInformation,   // void*
        int dwInfoLength,   // DWORD
        IntByReference lpEnclaveError   // DWORD* optional, out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun CreateEnclave = CreateEnclave(
    hProcess : Void*,   # HANDLE
    lpAddress : Void*,   # void* optional
    dwSize : LibC::SizeT,   # UINT_PTR
    dwInitialCommitment : LibC::SizeT,   # UINT_PTR
    flEnclaveType : UInt32,   # DWORD
    lpEnclaveInformation : Void*,   # void*
    dwInfoLength : UInt32,   # DWORD
    lpEnclaveError : UInt32*   # DWORD* optional, out
  ) : Void*
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 CreateEnclaveNative = Pointer<Void> Function(Pointer<Void>, Pointer<Void>, UintPtr, UintPtr, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef CreateEnclaveDart = Pointer<Void> Function(Pointer<Void>, Pointer<Void>, int, int, int, Pointer<Void>, int, Pointer<Uint32>);
final CreateEnclave = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<CreateEnclaveNative, CreateEnclaveDart>('CreateEnclave');
// hProcess : HANDLE -> Pointer<Void>
// lpAddress : void* optional -> Pointer<Void>
// dwSize : UINT_PTR -> UintPtr
// dwInitialCommitment : UINT_PTR -> UintPtr
// flEnclaveType : DWORD -> Uint32
// lpEnclaveInformation : void* -> Pointer<Void>
// dwInfoLength : DWORD -> Uint32
// lpEnclaveError : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateEnclave(
  hProcess: THandle;   // HANDLE
  lpAddress: Pointer;   // void* optional
  dwSize: NativeUInt;   // UINT_PTR
  dwInitialCommitment: NativeUInt;   // UINT_PTR
  flEnclaveType: DWORD;   // DWORD
  lpEnclaveInformation: Pointer;   // void*
  dwInfoLength: DWORD;   // DWORD
  lpEnclaveError: Pointer   // DWORD* optional, out
): Pointer; stdcall;
  external 'KERNEL32.dll' name 'CreateEnclave';

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

foreign import stdcall safe "CreateEnclave"
  c_CreateEnclave :: Ptr () -> Ptr () -> CUIntPtr -> CUIntPtr -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO (Ptr ())
-- hProcess : HANDLE -> Ptr ()
-- lpAddress : void* optional -> Ptr ()
-- dwSize : UINT_PTR -> CUIntPtr
-- dwInitialCommitment : UINT_PTR -> CUIntPtr
-- flEnclaveType : DWORD -> Word32
-- lpEnclaveInformation : void* -> Ptr ()
-- dwInfoLength : DWORD -> Word32
-- lpEnclaveError : DWORD* optional, out -> Ptr 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 createenclave =
  foreign "CreateEnclave"
    ((ptr void) @-> (ptr void) @-> size_t @-> size_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning (ptr void))
(* hProcess : HANDLE -> (ptr void) *)
(* lpAddress : void* optional -> (ptr void) *)
(* dwSize : UINT_PTR -> size_t *)
(* dwInitialCommitment : UINT_PTR -> size_t *)
(* flEnclaveType : DWORD -> uint32_t *)
(* lpEnclaveInformation : void* -> (ptr void) *)
(* dwInfoLength : DWORD -> uint32_t *)
(* lpEnclaveError : DWORD* optional, out -> (ptr 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("CreateEnclave" create-enclave :convention :stdcall) :pointer
  (h-process :pointer)   ; HANDLE
  (lp-address :pointer)   ; void* optional
  (dw-size :uint64)   ; UINT_PTR
  (dw-initial-commitment :uint64)   ; UINT_PTR
  (fl-enclave-type :uint32)   ; DWORD
  (lp-enclave-information :pointer)   ; void*
  (dw-info-length :uint32)   ; DWORD
  (lp-enclave-error :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CreateEnclave = Win32::API::More->new('KERNEL32',
    'LPVOID CreateEnclave(HANDLE hProcess, LPVOID lpAddress, WPARAM dwSize, WPARAM dwInitialCommitment, DWORD flEnclaveType, LPVOID lpEnclaveInformation, DWORD dwInfoLength, LPVOID lpEnclaveError)');
# my $ret = $CreateEnclave->Call($hProcess, $lpAddress, $dwSize, $dwInitialCommitment, $flEnclaveType, $lpEnclaveInformation, $dwInfoLength, $lpEnclaveError);
# hProcess : HANDLE -> HANDLE
# lpAddress : void* optional -> LPVOID
# dwSize : UINT_PTR -> WPARAM
# dwInitialCommitment : UINT_PTR -> WPARAM
# flEnclaveType : DWORD -> DWORD
# lpEnclaveInformation : void* -> LPVOID
# dwInfoLength : DWORD -> DWORD
# lpEnclaveError : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。