GetKeyStorageInterface

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

NTSTATUS GetKeyStorageInterface(
    LPCWSTR pszProviderName,
    NCRYPT_KEY_STORAGE_FUNCTION_TABLE** ppFunctionTable,
    DWORD dwFlags
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function GetKeyStorageInterface(
    <MarshalAs(UnmanagedType.LPWStr)> pszProviderName As String,   ' LPCWSTR
    ppFunctionTable As IntPtr,   ' NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' pszProviderName : LPCWSTR
' ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
' dwFlags : DWORD
Declare PtrSafe Function GetKeyStorageInterface Lib "ncrypt" ( _
    ByVal pszProviderName As LongPtr, _
    ByVal ppFunctionTable 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

GetKeyStorageInterface = ctypes.windll.ncrypt.GetKeyStorageInterface
GetKeyStorageInterface.restype = ctypes.c_int
GetKeyStorageInterface.argtypes = [
    wintypes.LPCWSTR,  # pszProviderName : LPCWSTR
    ctypes.c_void_p,  # ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
GetKeyStorageInterface = Fiddle::Function.new(
  lib['GetKeyStorageInterface'],
  [
    Fiddle::TYPE_VOIDP,  # pszProviderName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn GetKeyStorageInterface(
        pszProviderName: *const u16,  // LPCWSTR
        ppFunctionTable: *mut *mut NCRYPT_KEY_STORAGE_FUNCTION_TABLE,  // NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int GetKeyStorageInterface([MarshalAs(UnmanagedType.LPWStr)] string pszProviderName, IntPtr ppFunctionTable, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_GetKeyStorageInterface' -Namespace Win32 -PassThru
# $api::GetKeyStorageInterface(pszProviderName, ppFunctionTable, dwFlags)

#uselib "ncrypt.dll"
#func global GetKeyStorageInterface "GetKeyStorageInterface" sptr, sptr, sptr
; GetKeyStorageInterface pszProviderName, varptr(ppFunctionTable), dwFlags   ; 戻り値は stat
; pszProviderName : LPCWSTR -> "sptr"
; ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** 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 "ncrypt.dll"
#cfunc global GetKeyStorageInterface "GetKeyStorageInterface" wstr, var, int
; res = GetKeyStorageInterface(pszProviderName, ppFunctionTable, dwFlags)
; pszProviderName : LPCWSTR -> "wstr"
; ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out -> "var"
; 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。

; NTSTATUS GetKeyStorageInterface(LPCWSTR pszProviderName, NCRYPT_KEY_STORAGE_FUNCTION_TABLE** ppFunctionTable, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global GetKeyStorageInterface "GetKeyStorageInterface" wstr, var, int
; res = GetKeyStorageInterface(pszProviderName, ppFunctionTable, dwFlags)
; pszProviderName : LPCWSTR -> "wstr"
; ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out -> "var"
; 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 (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procGetKeyStorageInterface = ncrypt.NewProc("GetKeyStorageInterface")
)

// pszProviderName (LPCWSTR), ppFunctionTable (NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out), dwFlags (DWORD)
r1, _, err := procGetKeyStorageInterface.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszProviderName))),
	uintptr(ppFunctionTable),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function GetKeyStorageInterface(
  pszProviderName: PWideChar;   // LPCWSTR
  ppFunctionTable: Pointer;   // NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'GetKeyStorageInterface';

result := DllCall("ncrypt\GetKeyStorageInterface"
    , "WStr", pszProviderName   ; LPCWSTR
    , "Ptr", ppFunctionTable   ; NCRYPT_KEY_STORAGE_FUNCTION_TABLE** out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: NTSTATUS

●GetKeyStorageInterface(pszProviderName, ppFunctionTable, dwFlags) = DLL("ncrypt.dll", "int GetKeyStorageInterface(char*, void*, dword)")
# 呼び出し: GetKeyStorageInterface(pszProviderName, ppFunctionTable, dwFlags)
# pszProviderName : LPCWSTR -> "char*"
# ppFunctionTable : NCRYPT_KEY_STORAGE_FUNCTION_TABLE** 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)。