NCryptRegisterProtectionDescriptorName

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

HRESULT NCryptRegisterProtectionDescriptorName(
    LPCWSTR pwszName,
    LPCWSTR pwszDescriptorString,   // optional
    DWORD dwFlags
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptRegisterProtectionDescriptorName(
    <MarshalAs(UnmanagedType.LPWStr)> pwszName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwszDescriptorString As String,   ' LPCWSTR optional
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' pwszName : LPCWSTR
' pwszDescriptorString : LPCWSTR optional
' dwFlags : DWORD
Declare PtrSafe Function NCryptRegisterProtectionDescriptorName Lib "ncrypt" ( _
    ByVal pwszName As LongPtr, _
    ByVal pwszDescriptorString 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

NCryptRegisterProtectionDescriptorName = ctypes.windll.ncrypt.NCryptRegisterProtectionDescriptorName
NCryptRegisterProtectionDescriptorName.restype = ctypes.c_int
NCryptRegisterProtectionDescriptorName.argtypes = [
    wintypes.LPCWSTR,  # pwszName : LPCWSTR
    wintypes.LPCWSTR,  # pwszDescriptorString : LPCWSTR optional
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
NCryptRegisterProtectionDescriptorName = Fiddle::Function.new(
  lib['NCryptRegisterProtectionDescriptorName'],
  [
    Fiddle::TYPE_VOIDP,  # pwszName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwszDescriptorString : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

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

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

#uselib "ncrypt.dll"
#func global NCryptRegisterProtectionDescriptorName "NCryptRegisterProtectionDescriptorName" sptr, sptr, sptr
; NCryptRegisterProtectionDescriptorName pwszName, pwszDescriptorString, dwFlags   ; 戻り値は stat
; pwszName : LPCWSTR -> "sptr"
; pwszDescriptorString : LPCWSTR optional -> "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 NCryptRegisterProtectionDescriptorName "NCryptRegisterProtectionDescriptorName" wstr, wstr, int
; res = NCryptRegisterProtectionDescriptorName(pwszName, pwszDescriptorString, dwFlags)
; pwszName : LPCWSTR -> "wstr"
; pwszDescriptorString : LPCWSTR optional -> "wstr"
; dwFlags : DWORD -> "int"

; HRESULT NCryptRegisterProtectionDescriptorName(LPCWSTR pwszName, LPCWSTR pwszDescriptorString, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global NCryptRegisterProtectionDescriptorName "NCryptRegisterProtectionDescriptorName" wstr, wstr, int
; res = NCryptRegisterProtectionDescriptorName(pwszName, pwszDescriptorString, dwFlags)
; pwszName : LPCWSTR -> "wstr"
; pwszDescriptorString : LPCWSTR optional -> "wstr"
; dwFlags : DWORD -> "int"

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

var (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procNCryptRegisterProtectionDescriptorName = ncrypt.NewProc("NCryptRegisterProtectionDescriptorName")
)

// pwszName (LPCWSTR), pwszDescriptorString (LPCWSTR optional), dwFlags (DWORD)
r1, _, err := procNCryptRegisterProtectionDescriptorName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszDescriptorString))),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function NCryptRegisterProtectionDescriptorName(
  pwszName: PWideChar;   // LPCWSTR
  pwszDescriptorString: PWideChar;   // LPCWSTR optional
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'NCryptRegisterProtectionDescriptorName';

result := DllCall("ncrypt\NCryptRegisterProtectionDescriptorName"
    , "WStr", pwszName   ; LPCWSTR
    , "WStr", pwszDescriptorString   ; LPCWSTR optional
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●NCryptRegisterProtectionDescriptorName(pwszName, pwszDescriptorString, dwFlags) = DLL("ncrypt.dll", "int NCryptRegisterProtectionDescriptorName(char*, char*, dword)")
# 呼び出し: NCryptRegisterProtectionDescriptorName(pwszName, pwszDescriptorString, dwFlags)
# pwszName : LPCWSTR -> "char*"
# pwszDescriptorString : LPCWSTR optional -> "char*"
# 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)。