OpenClusterCryptProvider

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

HCLUSCRYPTPROVIDER OpenClusterCryptProvider(
    LPCWSTR lpszResource,
    CHAR* lpszProvider,
    DWORD dwType,
    DWORD dwFlags
);

<DllImport("RESUTILS.dll", ExactSpelling:=True)>
Public Shared Function OpenClusterCryptProvider(
    <MarshalAs(UnmanagedType.LPWStr)> lpszResource As String,   ' LPCWSTR
    lpszProvider As IntPtr,   ' CHAR*
    dwType As UInteger,   ' DWORD
    dwFlags As UInteger   ' DWORD
) As IntPtr
End Function

' lpszResource : LPCWSTR
' lpszProvider : CHAR*
' dwType : DWORD
' dwFlags : DWORD
Declare PtrSafe Function OpenClusterCryptProvider Lib "resutils" ( _
    ByVal lpszResource As LongPtr, _
    ByVal lpszProvider As LongPtr, _
    ByVal dwType As Long, _
    ByVal dwFlags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

OpenClusterCryptProvider = ctypes.windll.resutils.OpenClusterCryptProvider
OpenClusterCryptProvider.restype = ctypes.c_ssize_t
OpenClusterCryptProvider.argtypes = [
    wintypes.LPCWSTR,  # lpszResource : LPCWSTR
    ctypes.POINTER(ctypes.c_byte),  # lpszProvider : CHAR*
    wintypes.DWORD,  # dwType : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RESUTILS.dll')
OpenClusterCryptProvider = Fiddle::Function.new(
  lib['OpenClusterCryptProvider'],
  [
    Fiddle::TYPE_VOIDP,  # lpszResource : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpszProvider : CHAR*
    -Fiddle::TYPE_INT,  # dwType : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "resutils")]
extern "system" {
    fn OpenClusterCryptProvider(
        lpszResource: *const u16,  // LPCWSTR
        lpszProvider: *mut i8,  // CHAR*
        dwType: u32,  // DWORD
        dwFlags: u32  // DWORD
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RESUTILS.dll")]
public static extern IntPtr OpenClusterCryptProvider([MarshalAs(UnmanagedType.LPWStr)] string lpszResource, IntPtr lpszProvider, uint dwType, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RESUTILS_OpenClusterCryptProvider' -Namespace Win32 -PassThru
# $api::OpenClusterCryptProvider(lpszResource, lpszProvider, dwType, dwFlags)

#uselib "RESUTILS.dll"
#func global OpenClusterCryptProvider "OpenClusterCryptProvider" sptr, sptr, sptr, sptr
; OpenClusterCryptProvider lpszResource, varptr(lpszProvider), dwType, dwFlags   ; 戻り値は stat
; lpszResource : LPCWSTR -> "sptr"
; lpszProvider : CHAR* -> "sptr"
; dwType : 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。

#uselib "RESUTILS.dll"
#cfunc global OpenClusterCryptProvider "OpenClusterCryptProvider" wstr, var, int, int
; res = OpenClusterCryptProvider(lpszResource, lpszProvider, dwType, dwFlags)
; lpszResource : LPCWSTR -> "wstr"
; lpszProvider : CHAR* -> "var"
; dwType : DWORD -> "int"
; 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。

; HCLUSCRYPTPROVIDER OpenClusterCryptProvider(LPCWSTR lpszResource, CHAR* lpszProvider, DWORD dwType, DWORD dwFlags)
#uselib "RESUTILS.dll"
#cfunc global OpenClusterCryptProvider "OpenClusterCryptProvider" wstr, var, int, int
; res = OpenClusterCryptProvider(lpszResource, lpszProvider, dwType, dwFlags)
; lpszResource : LPCWSTR -> "wstr"
; lpszProvider : CHAR* -> "var"
; dwType : DWORD -> "int"
; 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。

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

var (
	resutils = windows.NewLazySystemDLL("RESUTILS.dll")
	procOpenClusterCryptProvider = resutils.NewProc("OpenClusterCryptProvider")
)

// lpszResource (LPCWSTR), lpszProvider (CHAR*), dwType (DWORD), dwFlags (DWORD)
r1, _, err := procOpenClusterCryptProvider.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszResource))),
	uintptr(lpszProvider),
	uintptr(dwType),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HCLUSCRYPTPROVIDER

function OpenClusterCryptProvider(
  lpszResource: PWideChar;   // LPCWSTR
  lpszProvider: Pointer;   // CHAR*
  dwType: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): NativeInt; stdcall;
  external 'RESUTILS.dll' name 'OpenClusterCryptProvider';

result := DllCall("RESUTILS\OpenClusterCryptProvider"
    , "WStr", lpszResource   ; LPCWSTR
    , "Ptr", lpszProvider   ; CHAR*
    , "UInt", dwType   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Ptr")   ; return: HCLUSCRYPTPROVIDER

●OpenClusterCryptProvider(lpszResource, lpszProvider, dwType, dwFlags) = DLL("RESUTILS.dll", "int OpenClusterCryptProvider(char*, void*, dword, dword)")
# 呼び出し: OpenClusterCryptProvider(lpszResource, lpszProvider, dwType, dwFlags)
# lpszResource : LPCWSTR -> "char*"
# lpszProvider : CHAR* -> "void*"
# dwType : 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)。