BCryptGenerateSymmetricKey

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

NTSTATUS BCryptGenerateSymmetricKey(
    BCRYPT_ALG_HANDLE hAlgorithm,
    BCRYPT_KEY_HANDLE* phKey,
    BYTE* pbKeyObject,   // optional
    DWORD cbKeyObject,
    BYTE* pbSecret,
    DWORD cbSecret,
    DWORD dwFlags
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptGenerateSymmetricKey(
    hAlgorithm As IntPtr,   ' BCRYPT_ALG_HANDLE in/out
    phKey As IntPtr,   ' BCRYPT_KEY_HANDLE* out
    pbKeyObject As IntPtr,   ' BYTE* optional, out
    cbKeyObject As UInteger,   ' DWORD
    pbSecret As IntPtr,   ' BYTE*
    cbSecret As UInteger,   ' DWORD
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hAlgorithm : BCRYPT_ALG_HANDLE in/out
' phKey : BCRYPT_KEY_HANDLE* out
' pbKeyObject : BYTE* optional, out
' cbKeyObject : DWORD
' pbSecret : BYTE*
' cbSecret : DWORD
' dwFlags : DWORD
Declare PtrSafe Function BCryptGenerateSymmetricKey Lib "bcrypt" ( _
    ByVal hAlgorithm As LongPtr, _
    ByVal phKey As LongPtr, _
    ByVal pbKeyObject As LongPtr, _
    ByVal cbKeyObject As Long, _
    ByVal pbSecret As LongPtr, _
    ByVal cbSecret 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

BCryptGenerateSymmetricKey = ctypes.windll.bcrypt.BCryptGenerateSymmetricKey
BCryptGenerateSymmetricKey.restype = ctypes.c_int
BCryptGenerateSymmetricKey.argtypes = [
    wintypes.HANDLE,  # hAlgorithm : BCRYPT_ALG_HANDLE in/out
    ctypes.c_void_p,  # phKey : BCRYPT_KEY_HANDLE* out
    ctypes.POINTER(ctypes.c_ubyte),  # pbKeyObject : BYTE* optional, out
    wintypes.DWORD,  # cbKeyObject : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbSecret : BYTE*
    wintypes.DWORD,  # cbSecret : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptGenerateSymmetricKey = Fiddle::Function.new(
  lib['BCryptGenerateSymmetricKey'],
  [
    Fiddle::TYPE_VOIDP,  # hAlgorithm : BCRYPT_ALG_HANDLE in/out
    Fiddle::TYPE_VOIDP,  # phKey : BCRYPT_KEY_HANDLE* out
    Fiddle::TYPE_VOIDP,  # pbKeyObject : BYTE* optional, out
    -Fiddle::TYPE_INT,  # cbKeyObject : DWORD
    Fiddle::TYPE_VOIDP,  # pbSecret : BYTE*
    -Fiddle::TYPE_INT,  # cbSecret : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptGenerateSymmetricKey(
        hAlgorithm: *mut core::ffi::c_void,  // BCRYPT_ALG_HANDLE in/out
        phKey: *mut *mut core::ffi::c_void,  // BCRYPT_KEY_HANDLE* out
        pbKeyObject: *mut u8,  // BYTE* optional, out
        cbKeyObject: u32,  // DWORD
        pbSecret: *mut u8,  // BYTE*
        cbSecret: u32,  // DWORD
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptGenerateSymmetricKey(IntPtr hAlgorithm, IntPtr phKey, IntPtr pbKeyObject, uint cbKeyObject, IntPtr pbSecret, uint cbSecret, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptGenerateSymmetricKey' -Namespace Win32 -PassThru
# $api::BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags)

#uselib "bcrypt.dll"
#func global BCryptGenerateSymmetricKey "BCryptGenerateSymmetricKey" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; BCryptGenerateSymmetricKey hAlgorithm, phKey, varptr(pbKeyObject), cbKeyObject, varptr(pbSecret), cbSecret, dwFlags   ; 戻り値は stat
; hAlgorithm : BCRYPT_ALG_HANDLE in/out -> "sptr"
; phKey : BCRYPT_KEY_HANDLE* out -> "sptr"
; pbKeyObject : BYTE* optional, out -> "sptr"
; cbKeyObject : DWORD -> "sptr"
; pbSecret : BYTE* -> "sptr"
; cbSecret : DWORD -> "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。

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

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptGenerateSymmetricKey = bcrypt.NewProc("BCryptGenerateSymmetricKey")
)

// hAlgorithm (BCRYPT_ALG_HANDLE in/out), phKey (BCRYPT_KEY_HANDLE* out), pbKeyObject (BYTE* optional, out), cbKeyObject (DWORD), pbSecret (BYTE*), cbSecret (DWORD), dwFlags (DWORD)
r1, _, err := procBCryptGenerateSymmetricKey.Call(
	uintptr(hAlgorithm),
	uintptr(phKey),
	uintptr(pbKeyObject),
	uintptr(cbKeyObject),
	uintptr(pbSecret),
	uintptr(cbSecret),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptGenerateSymmetricKey(
  hAlgorithm: THandle;   // BCRYPT_ALG_HANDLE in/out
  phKey: Pointer;   // BCRYPT_KEY_HANDLE* out
  pbKeyObject: Pointer;   // BYTE* optional, out
  cbKeyObject: DWORD;   // DWORD
  pbSecret: Pointer;   // BYTE*
  cbSecret: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptGenerateSymmetricKey';

result := DllCall("bcrypt\BCryptGenerateSymmetricKey"
    , "Ptr", hAlgorithm   ; BCRYPT_ALG_HANDLE in/out
    , "Ptr", phKey   ; BCRYPT_KEY_HANDLE* out
    , "Ptr", pbKeyObject   ; BYTE* optional, out
    , "UInt", cbKeyObject   ; DWORD
    , "Ptr", pbSecret   ; BYTE*
    , "UInt", cbSecret   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: NTSTATUS

●BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags) = DLL("bcrypt.dll", "int BCryptGenerateSymmetricKey(void*, void*, void*, dword, void*, dword, dword)")
# 呼び出し: BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags)
# hAlgorithm : BCRYPT_ALG_HANDLE in/out -> "void*"
# phKey : BCRYPT_KEY_HANDLE* out -> "void*"
# pbKeyObject : BYTE* optional, out -> "void*"
# cbKeyObject : DWORD -> "dword"
# pbSecret : BYTE* -> "void*"
# cbSecret : DWORD -> "dword"
# 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 BCryptGenerateSymmetricKey(
    hAlgorithm: ?*anyopaque, // BCRYPT_ALG_HANDLE in/out
    phKey: ?*anyopaque, // BCRYPT_KEY_HANDLE* out
    pbKeyObject: [*c]u8, // BYTE* optional, out
    cbKeyObject: u32, // DWORD
    pbSecret: [*c]u8, // BYTE*
    cbSecret: u32, // DWORD
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc BCryptGenerateSymmetricKey(
    hAlgorithm: pointer,  # BCRYPT_ALG_HANDLE in/out
    phKey: pointer,  # BCRYPT_KEY_HANDLE* out
    pbKeyObject: ptr uint8,  # BYTE* optional, out
    cbKeyObject: uint32,  # DWORD
    pbSecret: ptr uint8,  # BYTE*
    cbSecret: uint32,  # DWORD
    dwFlags: uint32  # DWORD
): int32 {.importc: "BCryptGenerateSymmetricKey", stdcall, dynlib: "bcrypt.dll".}

pragma(lib, "bcrypt");
extern(Windows)
int BCryptGenerateSymmetricKey(
    void* hAlgorithm,   // BCRYPT_ALG_HANDLE in/out
    void* phKey,   // BCRYPT_KEY_HANDLE* out
    ubyte* pbKeyObject,   // BYTE* optional, out
    uint cbKeyObject,   // DWORD
    ubyte* pbSecret,   // BYTE*
    uint cbSecret,   // DWORD
    uint dwFlags   // DWORD
);

ccall((:BCryptGenerateSymmetricKey, "bcrypt.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{UInt8}, UInt32, Ptr{UInt8}, UInt32, UInt32),
      hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags)
# hAlgorithm : BCRYPT_ALG_HANDLE in/out -> Ptr{Cvoid}
# phKey : BCRYPT_KEY_HANDLE* out -> Ptr{Cvoid}
# pbKeyObject : BYTE* optional, out -> Ptr{UInt8}
# cbKeyObject : DWORD -> UInt32
# pbSecret : BYTE* -> Ptr{UInt8}
# cbSecret : DWORD -> UInt32
# 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 BCryptGenerateSymmetricKey(
    void* hAlgorithm,
    void* phKey,
    uint8_t* pbKeyObject,
    uint32_t cbKeyObject,
    uint8_t* pbSecret,
    uint32_t cbSecret,
    uint32_t dwFlags);
]]
local bcrypt = ffi.load("bcrypt")
-- bcrypt.BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags)
-- hAlgorithm : BCRYPT_ALG_HANDLE in/out
-- phKey : BCRYPT_KEY_HANDLE* out
-- pbKeyObject : BYTE* optional, out
-- cbKeyObject : DWORD
-- pbSecret : BYTE*
-- cbSecret : DWORD
-- 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 BCryptGenerateSymmetricKey = lib.func('__stdcall', 'BCryptGenerateSymmetricKey', 'int32_t', ['void *', 'void *', 'uint8_t *', 'uint32_t', 'uint8_t *', 'uint32_t', 'uint32_t']);
// BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags)
// hAlgorithm : BCRYPT_ALG_HANDLE in/out -> 'void *'
// phKey : BCRYPT_KEY_HANDLE* out -> 'void *'
// pbKeyObject : BYTE* optional, out -> 'uint8_t *'
// cbKeyObject : DWORD -> 'uint32_t'
// pbSecret : BYTE* -> 'uint8_t *'
// cbSecret : DWORD -> 'uint32_t'
// 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", {
  BCryptGenerateSymmetricKey: { parameters: ["pointer", "pointer", "pointer", "u32", "pointer", "u32", "u32"], result: "i32" },
});
// lib.symbols.BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags)
// hAlgorithm : BCRYPT_ALG_HANDLE in/out -> "pointer"
// phKey : BCRYPT_KEY_HANDLE* out -> "pointer"
// pbKeyObject : BYTE* optional, out -> "pointer"
// cbKeyObject : DWORD -> "u32"
// pbSecret : BYTE* -> "pointer"
// cbSecret : DWORD -> "u32"
// 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 BCryptGenerateSymmetricKey(
    void* hAlgorithm,
    void* phKey,
    uint8_t* pbKeyObject,
    uint32_t cbKeyObject,
    uint8_t* pbSecret,
    uint32_t cbSecret,
    uint32_t dwFlags);
C, "bcrypt.dll");
// $ffi->BCryptGenerateSymmetricKey(hAlgorithm, phKey, pbKeyObject, cbKeyObject, pbSecret, cbSecret, dwFlags);
// hAlgorithm : BCRYPT_ALG_HANDLE in/out
// phKey : BCRYPT_KEY_HANDLE* out
// pbKeyObject : BYTE* optional, out
// cbKeyObject : DWORD
// pbSecret : BYTE*
// cbSecret : DWORD
// 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 BCryptGenerateSymmetricKey(
        Pointer hAlgorithm,   // BCRYPT_ALG_HANDLE in/out
        Pointer phKey,   // BCRYPT_KEY_HANDLE* out
        byte[] pbKeyObject,   // BYTE* optional, out
        int cbKeyObject,   // DWORD
        byte[] pbSecret,   // BYTE*
        int cbSecret,   // DWORD
        int dwFlags   // DWORD
    );
}

@[Link("bcrypt")]
lib Libbcrypt
  fun BCryptGenerateSymmetricKey = BCryptGenerateSymmetricKey(
    hAlgorithm : Void*,   # BCRYPT_ALG_HANDLE in/out
    phKey : Void*,   # BCRYPT_KEY_HANDLE* out
    pbKeyObject : UInt8*,   # BYTE* optional, out
    cbKeyObject : UInt32,   # DWORD
    pbSecret : UInt8*,   # BYTE*
    cbSecret : UInt32,   # DWORD
    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 BCryptGenerateSymmetricKeyNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Uint8>, Uint32, Pointer<Uint8>, Uint32, Uint32);
typedef BCryptGenerateSymmetricKeyDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Uint8>, int, Pointer<Uint8>, int, int);
final BCryptGenerateSymmetricKey = DynamicLibrary.open('bcrypt.dll')
    .lookupFunction<BCryptGenerateSymmetricKeyNative, BCryptGenerateSymmetricKeyDart>('BCryptGenerateSymmetricKey');
// hAlgorithm : BCRYPT_ALG_HANDLE in/out -> Pointer<Void>
// phKey : BCRYPT_KEY_HANDLE* out -> Pointer<Void>
// pbKeyObject : BYTE* optional, out -> Pointer<Uint8>
// cbKeyObject : DWORD -> Uint32
// pbSecret : BYTE* -> Pointer<Uint8>
// cbSecret : DWORD -> Uint32
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function BCryptGenerateSymmetricKey(
  hAlgorithm: THandle;   // BCRYPT_ALG_HANDLE in/out
  phKey: Pointer;   // BCRYPT_KEY_HANDLE* out
  pbKeyObject: Pointer;   // BYTE* optional, out
  cbKeyObject: DWORD;   // DWORD
  pbSecret: Pointer;   // BYTE*
  cbSecret: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptGenerateSymmetricKey';

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

foreign import stdcall safe "BCryptGenerateSymmetricKey"
  c_BCryptGenerateSymmetricKey :: Ptr () -> Ptr () -> Ptr Word8 -> Word32 -> Ptr Word8 -> Word32 -> Word32 -> IO Int32
-- hAlgorithm : BCRYPT_ALG_HANDLE in/out -> Ptr ()
-- phKey : BCRYPT_KEY_HANDLE* out -> Ptr ()
-- pbKeyObject : BYTE* optional, out -> Ptr Word8
-- cbKeyObject : DWORD -> Word32
-- pbSecret : BYTE* -> Ptr Word8
-- cbSecret : DWORD -> Word32
-- 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 bcryptgeneratesymmetrickey =
  foreign "BCryptGenerateSymmetricKey"
    ((ptr void) @-> (ptr void) @-> (ptr uint8_t) @-> uint32_t @-> (ptr uint8_t) @-> uint32_t @-> uint32_t @-> returning int32_t)
(* hAlgorithm : BCRYPT_ALG_HANDLE in/out -> (ptr void) *)
(* phKey : BCRYPT_KEY_HANDLE* out -> (ptr void) *)
(* pbKeyObject : BYTE* optional, out -> (ptr uint8_t) *)
(* cbKeyObject : DWORD -> uint32_t *)
(* pbSecret : BYTE* -> (ptr uint8_t) *)
(* cbSecret : DWORD -> uint32_t *)
(* 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 ("BCryptGenerateSymmetricKey" bcrypt-generate-symmetric-key :convention :stdcall) :int32
  (h-algorithm :pointer)   ; BCRYPT_ALG_HANDLE in/out
  (ph-key :pointer)   ; BCRYPT_KEY_HANDLE* out
  (pb-key-object :pointer)   ; BYTE* optional, out
  (cb-key-object :uint32)   ; DWORD
  (pb-secret :pointer)   ; BYTE*
  (cb-secret :uint32)   ; DWORD
  (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 $BCryptGenerateSymmetricKey = Win32::API::More->new('bcrypt',
    'int BCryptGenerateSymmetricKey(HANDLE hAlgorithm, HANDLE phKey, LPVOID pbKeyObject, DWORD cbKeyObject, LPVOID pbSecret, DWORD cbSecret, DWORD dwFlags)');
# my $ret = $BCryptGenerateSymmetricKey->Call($hAlgorithm, $phKey, $pbKeyObject, $cbKeyObject, $pbSecret, $cbSecret, $dwFlags);
# hAlgorithm : BCRYPT_ALG_HANDLE in/out -> HANDLE
# phKey : BCRYPT_KEY_HANDLE* out -> HANDLE
# pbKeyObject : BYTE* optional, out -> LPVOID
# cbKeyObject : DWORD -> DWORD
# pbSecret : BYTE* -> LPVOID
# cbSecret : DWORD -> DWORD
# 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。