BCryptQueryContextFunctionProperty

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

NTSTATUS BCryptQueryContextFunctionProperty(
    BCRYPT_TABLE dwTable,
    LPCWSTR pszContext,
    BCRYPT_INTERFACE dwInterface,
    LPCWSTR pszFunction,
    LPCWSTR pszProperty,
    DWORD* pcbValue,
    BYTE** ppbValue   // optional
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptQueryContextFunctionProperty(
    dwTable As UInteger,   ' BCRYPT_TABLE
    <MarshalAs(UnmanagedType.LPWStr)> pszContext As String,   ' LPCWSTR
    dwInterface As UInteger,   ' BCRYPT_INTERFACE
    <MarshalAs(UnmanagedType.LPWStr)> pszFunction As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pszProperty As String,   ' LPCWSTR
    ByRef pcbValue As UInteger,   ' DWORD* in/out
    ppbValue As IntPtr   ' BYTE** optional, out
) As Integer
End Function

' dwTable : BCRYPT_TABLE
' pszContext : LPCWSTR
' dwInterface : BCRYPT_INTERFACE
' pszFunction : LPCWSTR
' pszProperty : LPCWSTR
' pcbValue : DWORD* in/out
' ppbValue : BYTE** optional, out
Declare PtrSafe Function BCryptQueryContextFunctionProperty Lib "bcrypt" ( _
    ByVal dwTable As Long, _
    ByVal pszContext As LongPtr, _
    ByVal dwInterface As Long, _
    ByVal pszFunction As LongPtr, _
    ByVal pszProperty As LongPtr, _
    ByRef pcbValue As Long, _
    ByVal ppbValue As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

BCryptQueryContextFunctionProperty = ctypes.windll.bcrypt.BCryptQueryContextFunctionProperty
BCryptQueryContextFunctionProperty.restype = ctypes.c_int
BCryptQueryContextFunctionProperty.argtypes = [
    wintypes.DWORD,  # dwTable : BCRYPT_TABLE
    wintypes.LPCWSTR,  # pszContext : LPCWSTR
    wintypes.DWORD,  # dwInterface : BCRYPT_INTERFACE
    wintypes.LPCWSTR,  # pszFunction : LPCWSTR
    wintypes.LPCWSTR,  # pszProperty : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # pcbValue : DWORD* in/out
    ctypes.c_void_p,  # ppbValue : BYTE** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptQueryContextFunctionProperty = Fiddle::Function.new(
  lib['BCryptQueryContextFunctionProperty'],
  [
    -Fiddle::TYPE_INT,  # dwTable : BCRYPT_TABLE
    Fiddle::TYPE_VOIDP,  # pszContext : LPCWSTR
    -Fiddle::TYPE_INT,  # dwInterface : BCRYPT_INTERFACE
    Fiddle::TYPE_VOIDP,  # pszFunction : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszProperty : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pcbValue : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ppbValue : BYTE** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptQueryContextFunctionProperty(
        dwTable: u32,  // BCRYPT_TABLE
        pszContext: *const u16,  // LPCWSTR
        dwInterface: u32,  // BCRYPT_INTERFACE
        pszFunction: *const u16,  // LPCWSTR
        pszProperty: *const u16,  // LPCWSTR
        pcbValue: *mut u32,  // DWORD* in/out
        ppbValue: *mut *mut u8  // BYTE** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptQueryContextFunctionProperty(uint dwTable, [MarshalAs(UnmanagedType.LPWStr)] string pszContext, uint dwInterface, [MarshalAs(UnmanagedType.LPWStr)] string pszFunction, [MarshalAs(UnmanagedType.LPWStr)] string pszProperty, ref uint pcbValue, IntPtr ppbValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptQueryContextFunctionProperty' -Namespace Win32 -PassThru
# $api::BCryptQueryContextFunctionProperty(dwTable, pszContext, dwInterface, pszFunction, pszProperty, pcbValue, ppbValue)

#uselib "bcrypt.dll"
#func global BCryptQueryContextFunctionProperty "BCryptQueryContextFunctionProperty" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; BCryptQueryContextFunctionProperty dwTable, pszContext, dwInterface, pszFunction, pszProperty, varptr(pcbValue), varptr(ppbValue)   ; 戻り値は stat
; dwTable : BCRYPT_TABLE -> "sptr"
; pszContext : LPCWSTR -> "sptr"
; dwInterface : BCRYPT_INTERFACE -> "sptr"
; pszFunction : LPCWSTR -> "sptr"
; pszProperty : LPCWSTR -> "sptr"
; pcbValue : DWORD* in/out -> "sptr"
; ppbValue : BYTE** optional, out -> "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 BCryptQueryContextFunctionProperty "BCryptQueryContextFunctionProperty" int, wstr, int, wstr, wstr, var, var
; res = BCryptQueryContextFunctionProperty(dwTable, pszContext, dwInterface, pszFunction, pszProperty, pcbValue, ppbValue)
; dwTable : BCRYPT_TABLE -> "int"
; pszContext : LPCWSTR -> "wstr"
; dwInterface : BCRYPT_INTERFACE -> "int"
; pszFunction : LPCWSTR -> "wstr"
; pszProperty : LPCWSTR -> "wstr"
; pcbValue : DWORD* in/out -> "var"
; ppbValue : BYTE** optional, out -> "var"
; ※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 BCryptQueryContextFunctionProperty(BCRYPT_TABLE dwTable, LPCWSTR pszContext, BCRYPT_INTERFACE dwInterface, LPCWSTR pszFunction, LPCWSTR pszProperty, DWORD* pcbValue, BYTE** ppbValue)
#uselib "bcrypt.dll"
#cfunc global BCryptQueryContextFunctionProperty "BCryptQueryContextFunctionProperty" int, wstr, int, wstr, wstr, var, var
; res = BCryptQueryContextFunctionProperty(dwTable, pszContext, dwInterface, pszFunction, pszProperty, pcbValue, ppbValue)
; dwTable : BCRYPT_TABLE -> "int"
; pszContext : LPCWSTR -> "wstr"
; dwInterface : BCRYPT_INTERFACE -> "int"
; pszFunction : LPCWSTR -> "wstr"
; pszProperty : LPCWSTR -> "wstr"
; pcbValue : DWORD* in/out -> "var"
; ppbValue : BYTE** optional, out -> "var"
; ※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 (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptQueryContextFunctionProperty = bcrypt.NewProc("BCryptQueryContextFunctionProperty")
)

// dwTable (BCRYPT_TABLE), pszContext (LPCWSTR), dwInterface (BCRYPT_INTERFACE), pszFunction (LPCWSTR), pszProperty (LPCWSTR), pcbValue (DWORD* in/out), ppbValue (BYTE** optional, out)
r1, _, err := procBCryptQueryContextFunctionProperty.Call(
	uintptr(dwTable),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszContext))),
	uintptr(dwInterface),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszFunction))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszProperty))),
	uintptr(pcbValue),
	uintptr(ppbValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptQueryContextFunctionProperty(
  dwTable: DWORD;   // BCRYPT_TABLE
  pszContext: PWideChar;   // LPCWSTR
  dwInterface: DWORD;   // BCRYPT_INTERFACE
  pszFunction: PWideChar;   // LPCWSTR
  pszProperty: PWideChar;   // LPCWSTR
  pcbValue: Pointer;   // DWORD* in/out
  ppbValue: Pointer   // BYTE** optional, out
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptQueryContextFunctionProperty';

result := DllCall("bcrypt\BCryptQueryContextFunctionProperty"
    , "UInt", dwTable   ; BCRYPT_TABLE
    , "WStr", pszContext   ; LPCWSTR
    , "UInt", dwInterface   ; BCRYPT_INTERFACE
    , "WStr", pszFunction   ; LPCWSTR
    , "WStr", pszProperty   ; LPCWSTR
    , "Ptr", pcbValue   ; DWORD* in/out
    , "Ptr", ppbValue   ; BYTE** optional, out
    , "Int")   ; return: NTSTATUS

●BCryptQueryContextFunctionProperty(dwTable, pszContext, dwInterface, pszFunction, pszProperty, pcbValue, ppbValue) = DLL("bcrypt.dll", "int BCryptQueryContextFunctionProperty(dword, char*, dword, char*, char*, void*, void*)")
# 呼び出し: BCryptQueryContextFunctionProperty(dwTable, pszContext, dwInterface, pszFunction, pszProperty, pcbValue, ppbValue)
# dwTable : BCRYPT_TABLE -> "dword"
# pszContext : LPCWSTR -> "char*"
# dwInterface : BCRYPT_INTERFACE -> "dword"
# pszFunction : LPCWSTR -> "char*"
# pszProperty : LPCWSTR -> "char*"
# pcbValue : DWORD* in/out -> "void*"
# ppbValue : BYTE** optional, out -> "void*"
# 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)。