BCryptSecretAgreement

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

NTSTATUS BCryptSecretAgreement(
    BCRYPT_KEY_HANDLE hPrivKey,
    BCRYPT_KEY_HANDLE hPubKey,
    BCRYPT_SECRET_HANDLE* phAgreedSecret,
    DWORD dwFlags
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptSecretAgreement(
    hPrivKey As IntPtr,   ' BCRYPT_KEY_HANDLE
    hPubKey As IntPtr,   ' BCRYPT_KEY_HANDLE
    phAgreedSecret As IntPtr,   ' BCRYPT_SECRET_HANDLE* out
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hPrivKey : BCRYPT_KEY_HANDLE
' hPubKey : BCRYPT_KEY_HANDLE
' phAgreedSecret : BCRYPT_SECRET_HANDLE* out
' dwFlags : DWORD
Declare PtrSafe Function BCryptSecretAgreement Lib "bcrypt" ( _
    ByVal hPrivKey As LongPtr, _
    ByVal hPubKey As LongPtr, _
    ByVal phAgreedSecret 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

BCryptSecretAgreement = ctypes.windll.bcrypt.BCryptSecretAgreement
BCryptSecretAgreement.restype = ctypes.c_int
BCryptSecretAgreement.argtypes = [
    wintypes.HANDLE,  # hPrivKey : BCRYPT_KEY_HANDLE
    wintypes.HANDLE,  # hPubKey : BCRYPT_KEY_HANDLE
    ctypes.c_void_p,  # phAgreedSecret : BCRYPT_SECRET_HANDLE* out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptSecretAgreement = Fiddle::Function.new(
  lib['BCryptSecretAgreement'],
  [
    Fiddle::TYPE_VOIDP,  # hPrivKey : BCRYPT_KEY_HANDLE
    Fiddle::TYPE_VOIDP,  # hPubKey : BCRYPT_KEY_HANDLE
    Fiddle::TYPE_VOIDP,  # phAgreedSecret : BCRYPT_SECRET_HANDLE* out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptSecretAgreement(
        hPrivKey: *mut core::ffi::c_void,  // BCRYPT_KEY_HANDLE
        hPubKey: *mut core::ffi::c_void,  // BCRYPT_KEY_HANDLE
        phAgreedSecret: *mut *mut core::ffi::c_void,  // BCRYPT_SECRET_HANDLE* out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptSecretAgreement(IntPtr hPrivKey, IntPtr hPubKey, IntPtr phAgreedSecret, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptSecretAgreement' -Namespace Win32 -PassThru
# $api::BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)

#uselib "bcrypt.dll"
#func global BCryptSecretAgreement "BCryptSecretAgreement" sptr, sptr, sptr, sptr
; BCryptSecretAgreement hPrivKey, hPubKey, phAgreedSecret, dwFlags   ; 戻り値は stat
; hPrivKey : BCRYPT_KEY_HANDLE -> "sptr"
; hPubKey : BCRYPT_KEY_HANDLE -> "sptr"
; phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> "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。

#uselib "bcrypt.dll"
#cfunc global BCryptSecretAgreement "BCryptSecretAgreement" sptr, sptr, sptr, int
; res = BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)
; hPrivKey : BCRYPT_KEY_HANDLE -> "sptr"
; hPubKey : BCRYPT_KEY_HANDLE -> "sptr"
; phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> "sptr"
; dwFlags : DWORD -> "int"

; NTSTATUS BCryptSecretAgreement(BCRYPT_KEY_HANDLE hPrivKey, BCRYPT_KEY_HANDLE hPubKey, BCRYPT_SECRET_HANDLE* phAgreedSecret, DWORD dwFlags)
#uselib "bcrypt.dll"
#cfunc global BCryptSecretAgreement "BCryptSecretAgreement" intptr, intptr, intptr, int
; res = BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)
; hPrivKey : BCRYPT_KEY_HANDLE -> "intptr"
; hPubKey : BCRYPT_KEY_HANDLE -> "intptr"
; phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> "intptr"
; dwFlags : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptSecretAgreement = bcrypt.NewProc("BCryptSecretAgreement")
)

// hPrivKey (BCRYPT_KEY_HANDLE), hPubKey (BCRYPT_KEY_HANDLE), phAgreedSecret (BCRYPT_SECRET_HANDLE* out), dwFlags (DWORD)
r1, _, err := procBCryptSecretAgreement.Call(
	uintptr(hPrivKey),
	uintptr(hPubKey),
	uintptr(phAgreedSecret),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptSecretAgreement(
  hPrivKey: THandle;   // BCRYPT_KEY_HANDLE
  hPubKey: THandle;   // BCRYPT_KEY_HANDLE
  phAgreedSecret: Pointer;   // BCRYPT_SECRET_HANDLE* out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptSecretAgreement';

result := DllCall("bcrypt\BCryptSecretAgreement"
    , "Ptr", hPrivKey   ; BCRYPT_KEY_HANDLE
    , "Ptr", hPubKey   ; BCRYPT_KEY_HANDLE
    , "Ptr", phAgreedSecret   ; BCRYPT_SECRET_HANDLE* out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: NTSTATUS

●BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags) = DLL("bcrypt.dll", "int BCryptSecretAgreement(void*, void*, void*, dword)")
# 呼び出し: BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)
# hPrivKey : BCRYPT_KEY_HANDLE -> "void*"
# hPubKey : BCRYPT_KEY_HANDLE -> "void*"
# phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> "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 "bcrypt" fn BCryptSecretAgreement(
    hPrivKey: ?*anyopaque, // BCRYPT_KEY_HANDLE
    hPubKey: ?*anyopaque, // BCRYPT_KEY_HANDLE
    phAgreedSecret: ?*anyopaque, // BCRYPT_SECRET_HANDLE* out
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc BCryptSecretAgreement(
    hPrivKey: pointer,  # BCRYPT_KEY_HANDLE
    hPubKey: pointer,  # BCRYPT_KEY_HANDLE
    phAgreedSecret: pointer,  # BCRYPT_SECRET_HANDLE* out
    dwFlags: uint32  # DWORD
): int32 {.importc: "BCryptSecretAgreement", stdcall, dynlib: "bcrypt.dll".}

pragma(lib, "bcrypt");
extern(Windows)
int BCryptSecretAgreement(
    void* hPrivKey,   // BCRYPT_KEY_HANDLE
    void* hPubKey,   // BCRYPT_KEY_HANDLE
    void* phAgreedSecret,   // BCRYPT_SECRET_HANDLE* out
    uint dwFlags   // DWORD
);

ccall((:BCryptSecretAgreement, "bcrypt.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}, UInt32),
      hPrivKey, hPubKey, phAgreedSecret, dwFlags)
# hPrivKey : BCRYPT_KEY_HANDLE -> Ptr{Cvoid}
# hPubKey : BCRYPT_KEY_HANDLE -> Ptr{Cvoid}
# phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> Ptr{Cvoid}
# 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 BCryptSecretAgreement(
    void* hPrivKey,
    void* hPubKey,
    void* phAgreedSecret,
    uint32_t dwFlags);
]]
local bcrypt = ffi.load("bcrypt")
-- bcrypt.BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)
-- hPrivKey : BCRYPT_KEY_HANDLE
-- hPubKey : BCRYPT_KEY_HANDLE
-- phAgreedSecret : BCRYPT_SECRET_HANDLE* out
-- 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('bcrypt.dll');
const BCryptSecretAgreement = lib.func('__stdcall', 'BCryptSecretAgreement', 'int32_t', ['void *', 'void *', 'void *', 'uint32_t']);
// BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)
// hPrivKey : BCRYPT_KEY_HANDLE -> 'void *'
// hPubKey : BCRYPT_KEY_HANDLE -> 'void *'
// phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> '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("bcrypt.dll", {
  BCryptSecretAgreement: { parameters: ["pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags)
// hPrivKey : BCRYPT_KEY_HANDLE -> "pointer"
// hPubKey : BCRYPT_KEY_HANDLE -> "pointer"
// phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> "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 BCryptSecretAgreement(
    void* hPrivKey,
    void* hPubKey,
    void* phAgreedSecret,
    uint32_t dwFlags);
C, "bcrypt.dll");
// $ffi->BCryptSecretAgreement(hPrivKey, hPubKey, phAgreedSecret, dwFlags);
// hPrivKey : BCRYPT_KEY_HANDLE
// hPubKey : BCRYPT_KEY_HANDLE
// phAgreedSecret : BCRYPT_SECRET_HANDLE* out
// 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 Bcrypt extends StdCallLibrary {
    Bcrypt INSTANCE = Native.load("bcrypt", Bcrypt.class);
    int BCryptSecretAgreement(
        Pointer hPrivKey,   // BCRYPT_KEY_HANDLE
        Pointer hPubKey,   // BCRYPT_KEY_HANDLE
        Pointer phAgreedSecret,   // BCRYPT_SECRET_HANDLE* out
        int dwFlags   // DWORD
    );
}

@[Link("bcrypt")]
lib Libbcrypt
  fun BCryptSecretAgreement = BCryptSecretAgreement(
    hPrivKey : Void*,   # BCRYPT_KEY_HANDLE
    hPubKey : Void*,   # BCRYPT_KEY_HANDLE
    phAgreedSecret : Void*,   # BCRYPT_SECRET_HANDLE* out
    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 BCryptSecretAgreementNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Uint32);
typedef BCryptSecretAgreementDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int);
final BCryptSecretAgreement = DynamicLibrary.open('bcrypt.dll')
    .lookupFunction<BCryptSecretAgreementNative, BCryptSecretAgreementDart>('BCryptSecretAgreement');
// hPrivKey : BCRYPT_KEY_HANDLE -> Pointer<Void>
// hPubKey : BCRYPT_KEY_HANDLE -> Pointer<Void>
// phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> Pointer<Void>
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function BCryptSecretAgreement(
  hPrivKey: THandle;   // BCRYPT_KEY_HANDLE
  hPubKey: THandle;   // BCRYPT_KEY_HANDLE
  phAgreedSecret: Pointer;   // BCRYPT_SECRET_HANDLE* out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptSecretAgreement';

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

foreign import stdcall safe "BCryptSecretAgreement"
  c_BCryptSecretAgreement :: Ptr () -> Ptr () -> Ptr () -> Word32 -> IO Int32
-- hPrivKey : BCRYPT_KEY_HANDLE -> Ptr ()
-- hPubKey : BCRYPT_KEY_HANDLE -> Ptr ()
-- phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> 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 bcryptsecretagreement =
  foreign "BCryptSecretAgreement"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* hPrivKey : BCRYPT_KEY_HANDLE -> (ptr void) *)
(* hPubKey : BCRYPT_KEY_HANDLE -> (ptr void) *)
(* phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> (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 bcrypt (t "bcrypt.dll"))
(cffi:use-foreign-library bcrypt)

(cffi:defcfun ("BCryptSecretAgreement" bcrypt-secret-agreement :convention :stdcall) :int32
  (h-priv-key :pointer)   ; BCRYPT_KEY_HANDLE
  (h-pub-key :pointer)   ; BCRYPT_KEY_HANDLE
  (ph-agreed-secret :pointer)   ; BCRYPT_SECRET_HANDLE* out
  (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 $BCryptSecretAgreement = Win32::API::More->new('bcrypt',
    'int BCryptSecretAgreement(HANDLE hPrivKey, HANDLE hPubKey, HANDLE phAgreedSecret, DWORD dwFlags)');
# my $ret = $BCryptSecretAgreement->Call($hPrivKey, $hPubKey, $phAgreedSecret, $dwFlags);
# hPrivKey : BCRYPT_KEY_HANDLE -> HANDLE
# hPubKey : BCRYPT_KEY_HANDLE -> HANDLE
# phAgreedSecret : BCRYPT_SECRET_HANDLE* out -> HANDLE
# 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。