BCryptOpenAlgorithmProvider

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

NTSTATUS BCryptOpenAlgorithmProvider(
    BCRYPT_ALG_HANDLE* phAlgorithm,
    LPCWSTR pszAlgId,
    LPCWSTR pszImplementation,   // optional
    BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS dwFlags
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptOpenAlgorithmProvider(
    phAlgorithm As IntPtr,   ' BCRYPT_ALG_HANDLE* out
    <MarshalAs(UnmanagedType.LPWStr)> pszAlgId As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszImplementation As String,   ' LPCWSTR optional
    dwFlags As UInteger   ' BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
) As Integer
End Function

' phAlgorithm : BCRYPT_ALG_HANDLE* out
' pszAlgId : LPCWSTR
' pszImplementation : LPCWSTR optional
' dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
Declare PtrSafe Function BCryptOpenAlgorithmProvider Lib "bcrypt" ( _
    ByVal phAlgorithm As LongPtr, _
    ByVal pszAlgId As LongPtr, _
    ByVal pszImplementation 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

BCryptOpenAlgorithmProvider = ctypes.windll.bcrypt.BCryptOpenAlgorithmProvider
BCryptOpenAlgorithmProvider.restype = ctypes.c_int
BCryptOpenAlgorithmProvider.argtypes = [
    ctypes.c_void_p,  # phAlgorithm : BCRYPT_ALG_HANDLE* out
    wintypes.LPCWSTR,  # pszAlgId : LPCWSTR
    wintypes.LPCWSTR,  # pszImplementation : LPCWSTR optional
    wintypes.DWORD,  # dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptOpenAlgorithmProvider = Fiddle::Function.new(
  lib['BCryptOpenAlgorithmProvider'],
  [
    Fiddle::TYPE_VOIDP,  # phAlgorithm : BCRYPT_ALG_HANDLE* out
    Fiddle::TYPE_VOIDP,  # pszAlgId : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszImplementation : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptOpenAlgorithmProvider(
        phAlgorithm: *mut *mut core::ffi::c_void,  // BCRYPT_ALG_HANDLE* out
        pszAlgId: *const u16,  // LPCWSTR
        pszImplementation: *const u16,  // LPCWSTR optional
        dwFlags: u32  // BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptOpenAlgorithmProvider(IntPtr phAlgorithm, [MarshalAs(UnmanagedType.LPWStr)] string pszAlgId, [MarshalAs(UnmanagedType.LPWStr)] string pszImplementation, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptOpenAlgorithmProvider' -Namespace Win32 -PassThru
# $api::BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)

#uselib "bcrypt.dll"
#func global BCryptOpenAlgorithmProvider "BCryptOpenAlgorithmProvider" sptr, sptr, sptr, sptr
; BCryptOpenAlgorithmProvider phAlgorithm, pszAlgId, pszImplementation, dwFlags   ; 戻り値は stat
; phAlgorithm : BCRYPT_ALG_HANDLE* out -> "sptr"
; pszAlgId : LPCWSTR -> "sptr"
; pszImplementation : LPCWSTR optional -> "sptr"
; dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> "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 BCryptOpenAlgorithmProvider "BCryptOpenAlgorithmProvider" sptr, wstr, wstr, int
; res = BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)
; phAlgorithm : BCRYPT_ALG_HANDLE* out -> "sptr"
; pszAlgId : LPCWSTR -> "wstr"
; pszImplementation : LPCWSTR optional -> "wstr"
; dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> "int"

; NTSTATUS BCryptOpenAlgorithmProvider(BCRYPT_ALG_HANDLE* phAlgorithm, LPCWSTR pszAlgId, LPCWSTR pszImplementation, BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS dwFlags)
#uselib "bcrypt.dll"
#cfunc global BCryptOpenAlgorithmProvider "BCryptOpenAlgorithmProvider" intptr, wstr, wstr, int
; res = BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)
; phAlgorithm : BCRYPT_ALG_HANDLE* out -> "intptr"
; pszAlgId : LPCWSTR -> "wstr"
; pszImplementation : LPCWSTR optional -> "wstr"
; dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> "int"

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

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptOpenAlgorithmProvider = bcrypt.NewProc("BCryptOpenAlgorithmProvider")
)

// phAlgorithm (BCRYPT_ALG_HANDLE* out), pszAlgId (LPCWSTR), pszImplementation (LPCWSTR optional), dwFlags (BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS)
r1, _, err := procBCryptOpenAlgorithmProvider.Call(
	uintptr(phAlgorithm),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszAlgId))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszImplementation))),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptOpenAlgorithmProvider(
  phAlgorithm: Pointer;   // BCRYPT_ALG_HANDLE* out
  pszAlgId: PWideChar;   // LPCWSTR
  pszImplementation: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD   // BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptOpenAlgorithmProvider';

result := DllCall("bcrypt\BCryptOpenAlgorithmProvider"
    , "Ptr", phAlgorithm   ; BCRYPT_ALG_HANDLE* out
    , "WStr", pszAlgId   ; LPCWSTR
    , "WStr", pszImplementation   ; LPCWSTR optional
    , "UInt", dwFlags   ; BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
    , "Int")   ; return: NTSTATUS

●BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags) = DLL("bcrypt.dll", "int BCryptOpenAlgorithmProvider(void*, char*, char*, dword)")
# 呼び出し: BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)
# phAlgorithm : BCRYPT_ALG_HANDLE* out -> "void*"
# pszAlgId : LPCWSTR -> "char*"
# pszImplementation : LPCWSTR optional -> "char*"
# dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> "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 BCryptOpenAlgorithmProvider(
    phAlgorithm: ?*anyopaque, // BCRYPT_ALG_HANDLE* out
    pszAlgId: [*c]const u16, // LPCWSTR
    pszImplementation: [*c]const u16, // LPCWSTR optional
    dwFlags: u32 // BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
) callconv(std.os.windows.WINAPI) i32;

proc BCryptOpenAlgorithmProvider(
    phAlgorithm: pointer,  # BCRYPT_ALG_HANDLE* out
    pszAlgId: WideCString,  # LPCWSTR
    pszImplementation: WideCString,  # LPCWSTR optional
    dwFlags: uint32  # BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
): int32 {.importc: "BCryptOpenAlgorithmProvider", stdcall, dynlib: "bcrypt.dll".}

pragma(lib, "bcrypt");
extern(Windows)
int BCryptOpenAlgorithmProvider(
    void* phAlgorithm,   // BCRYPT_ALG_HANDLE* out
    const(wchar)* pszAlgId,   // LPCWSTR
    const(wchar)* pszImplementation,   // LPCWSTR optional
    uint dwFlags   // BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
);

ccall((:BCryptOpenAlgorithmProvider, "bcrypt.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, Cwstring, UInt32),
      phAlgorithm, pszAlgId, pszImplementation, dwFlags)
# phAlgorithm : BCRYPT_ALG_HANDLE* out -> Ptr{Cvoid}
# pszAlgId : LPCWSTR -> Cwstring
# pszImplementation : LPCWSTR optional -> Cwstring
# dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t BCryptOpenAlgorithmProvider(
    void* phAlgorithm,
    const uint16_t* pszAlgId,
    const uint16_t* pszImplementation,
    uint32_t dwFlags);
]]
local bcrypt = ffi.load("bcrypt")
-- bcrypt.BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)
-- phAlgorithm : BCRYPT_ALG_HANDLE* out
-- pszAlgId : LPCWSTR
-- pszImplementation : LPCWSTR optional
-- dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
-- 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 BCryptOpenAlgorithmProvider = lib.func('__stdcall', 'BCryptOpenAlgorithmProvider', 'int32_t', ['void *', 'str16', 'str16', 'uint32_t']);
// BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)
// phAlgorithm : BCRYPT_ALG_HANDLE* out -> 'void *'
// pszAlgId : LPCWSTR -> 'str16'
// pszImplementation : LPCWSTR optional -> 'str16'
// dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> '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", {
  BCryptOpenAlgorithmProvider: { parameters: ["pointer", "buffer", "buffer", "u32"], result: "i32" },
});
// lib.symbols.BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags)
// phAlgorithm : BCRYPT_ALG_HANDLE* out -> "pointer"
// pszAlgId : LPCWSTR -> "buffer"
// pszImplementation : LPCWSTR optional -> "buffer"
// dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> "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 BCryptOpenAlgorithmProvider(
    void* phAlgorithm,
    const uint16_t* pszAlgId,
    const uint16_t* pszImplementation,
    uint32_t dwFlags);
C, "bcrypt.dll");
// $ffi->BCryptOpenAlgorithmProvider(phAlgorithm, pszAlgId, pszImplementation, dwFlags);
// phAlgorithm : BCRYPT_ALG_HANDLE* out
// pszAlgId : LPCWSTR
// pszImplementation : LPCWSTR optional
// dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
// 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 BCryptOpenAlgorithmProvider(
        Pointer phAlgorithm,   // BCRYPT_ALG_HANDLE* out
        WString pszAlgId,   // LPCWSTR
        WString pszImplementation,   // LPCWSTR optional
        int dwFlags   // BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
    );
}

@[Link("bcrypt")]
lib Libbcrypt
  fun BCryptOpenAlgorithmProvider = BCryptOpenAlgorithmProvider(
    phAlgorithm : Void*,   # BCRYPT_ALG_HANDLE* out
    pszAlgId : UInt16*,   # LPCWSTR
    pszImplementation : UInt16*,   # LPCWSTR optional
    dwFlags : UInt32   # BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
  ) : 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 BCryptOpenAlgorithmProviderNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, Uint32);
typedef BCryptOpenAlgorithmProviderDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, int);
final BCryptOpenAlgorithmProvider = DynamicLibrary.open('bcrypt.dll')
    .lookupFunction<BCryptOpenAlgorithmProviderNative, BCryptOpenAlgorithmProviderDart>('BCryptOpenAlgorithmProvider');
// phAlgorithm : BCRYPT_ALG_HANDLE* out -> Pointer<Void>
// pszAlgId : LPCWSTR -> Pointer<Utf16>
// pszImplementation : LPCWSTR optional -> Pointer<Utf16>
// dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function BCryptOpenAlgorithmProvider(
  phAlgorithm: Pointer;   // BCRYPT_ALG_HANDLE* out
  pszAlgId: PWideChar;   // LPCWSTR
  pszImplementation: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD   // BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptOpenAlgorithmProvider';

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

foreign import stdcall safe "BCryptOpenAlgorithmProvider"
  c_BCryptOpenAlgorithmProvider :: Ptr () -> CWString -> CWString -> Word32 -> IO Int32
-- phAlgorithm : BCRYPT_ALG_HANDLE* out -> Ptr ()
-- pszAlgId : LPCWSTR -> CWString
-- pszImplementation : LPCWSTR optional -> CWString
-- dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> 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 bcryptopenalgorithmprovider =
  foreign "BCryptOpenAlgorithmProvider"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> returning int32_t)
(* phAlgorithm : BCRYPT_ALG_HANDLE* out -> (ptr void) *)
(* pszAlgId : LPCWSTR -> (ptr uint16_t) *)
(* pszImplementation : LPCWSTR optional -> (ptr uint16_t) *)
(* dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> 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 ("BCryptOpenAlgorithmProvider" bcrypt-open-algorithm-provider :convention :stdcall) :int32
  (ph-algorithm :pointer)   ; BCRYPT_ALG_HANDLE* out
  (psz-alg-id (:string :encoding :utf-16le))   ; LPCWSTR
  (psz-implementation (:string :encoding :utf-16le))   ; LPCWSTR optional
  (dw-flags :uint32))   ; BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $BCryptOpenAlgorithmProvider = Win32::API::More->new('bcrypt',
    'int BCryptOpenAlgorithmProvider(HANDLE phAlgorithm, LPCWSTR pszAlgId, LPCWSTR pszImplementation, DWORD dwFlags)');
# my $ret = $BCryptOpenAlgorithmProvider->Call($phAlgorithm, $pszAlgId, $pszImplementation, $dwFlags);
# phAlgorithm : BCRYPT_ALG_HANDLE* out -> HANDLE
# pszAlgId : LPCWSTR -> LPCWSTR
# pszImplementation : LPCWSTR optional -> LPCWSTR
# dwFlags : BCRYPT_OPEN_ALGORITHM_PROVIDER_FLAGS -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。