BCryptQueryProviderRegistration

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

NTSTATUS BCryptQueryProviderRegistration(
    LPCWSTR pszProvider,
    BCRYPT_QUERY_PROVIDER_MODE dwMode,
    BCRYPT_INTERFACE dwInterface,
    DWORD* pcbBuffer,
    CRYPT_PROVIDER_REG** ppBuffer   // optional
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptQueryProviderRegistration(
    <MarshalAs(UnmanagedType.LPWStr)> pszProvider As String,   ' LPCWSTR
    dwMode As UInteger,   ' BCRYPT_QUERY_PROVIDER_MODE
    dwInterface As UInteger,   ' BCRYPT_INTERFACE
    ByRef pcbBuffer As UInteger,   ' DWORD* in/out
    ppBuffer As IntPtr   ' CRYPT_PROVIDER_REG** optional, out
) As Integer
End Function

' pszProvider : LPCWSTR
' dwMode : BCRYPT_QUERY_PROVIDER_MODE
' dwInterface : BCRYPT_INTERFACE
' pcbBuffer : DWORD* in/out
' ppBuffer : CRYPT_PROVIDER_REG** optional, out
Declare PtrSafe Function BCryptQueryProviderRegistration Lib "bcrypt" ( _
    ByVal pszProvider As LongPtr, _
    ByVal dwMode As Long, _
    ByVal dwInterface As Long, _
    ByRef pcbBuffer As Long, _
    ByVal ppBuffer 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

BCryptQueryProviderRegistration = ctypes.windll.bcrypt.BCryptQueryProviderRegistration
BCryptQueryProviderRegistration.restype = ctypes.c_int
BCryptQueryProviderRegistration.argtypes = [
    wintypes.LPCWSTR,  # pszProvider : LPCWSTR
    wintypes.DWORD,  # dwMode : BCRYPT_QUERY_PROVIDER_MODE
    wintypes.DWORD,  # dwInterface : BCRYPT_INTERFACE
    ctypes.POINTER(wintypes.DWORD),  # pcbBuffer : DWORD* in/out
    ctypes.c_void_p,  # ppBuffer : CRYPT_PROVIDER_REG** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptQueryProviderRegistration = Fiddle::Function.new(
  lib['BCryptQueryProviderRegistration'],
  [
    Fiddle::TYPE_VOIDP,  # pszProvider : LPCWSTR
    -Fiddle::TYPE_INT,  # dwMode : BCRYPT_QUERY_PROVIDER_MODE
    -Fiddle::TYPE_INT,  # dwInterface : BCRYPT_INTERFACE
    Fiddle::TYPE_VOIDP,  # pcbBuffer : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ppBuffer : CRYPT_PROVIDER_REG** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptQueryProviderRegistration(
        pszProvider: *const u16,  // LPCWSTR
        dwMode: u32,  // BCRYPT_QUERY_PROVIDER_MODE
        dwInterface: u32,  // BCRYPT_INTERFACE
        pcbBuffer: *mut u32,  // DWORD* in/out
        ppBuffer: *mut *mut CRYPT_PROVIDER_REG  // CRYPT_PROVIDER_REG** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptQueryProviderRegistration([MarshalAs(UnmanagedType.LPWStr)] string pszProvider, uint dwMode, uint dwInterface, ref uint pcbBuffer, IntPtr ppBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptQueryProviderRegistration' -Namespace Win32 -PassThru
# $api::BCryptQueryProviderRegistration(pszProvider, dwMode, dwInterface, pcbBuffer, ppBuffer)

#uselib "bcrypt.dll"
#func global BCryptQueryProviderRegistration "BCryptQueryProviderRegistration" sptr, sptr, sptr, sptr, sptr
; BCryptQueryProviderRegistration pszProvider, dwMode, dwInterface, varptr(pcbBuffer), varptr(ppBuffer)   ; 戻り値は stat
; pszProvider : LPCWSTR -> "sptr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "sptr"
; dwInterface : BCRYPT_INTERFACE -> "sptr"
; pcbBuffer : DWORD* in/out -> "sptr"
; ppBuffer : CRYPT_PROVIDER_REG** 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 BCryptQueryProviderRegistration "BCryptQueryProviderRegistration" wstr, int, int, var, var
; res = BCryptQueryProviderRegistration(pszProvider, dwMode, dwInterface, pcbBuffer, ppBuffer)
; pszProvider : LPCWSTR -> "wstr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "int"
; dwInterface : BCRYPT_INTERFACE -> "int"
; pcbBuffer : DWORD* in/out -> "var"
; ppBuffer : CRYPT_PROVIDER_REG** 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 BCryptQueryProviderRegistration(LPCWSTR pszProvider, BCRYPT_QUERY_PROVIDER_MODE dwMode, BCRYPT_INTERFACE dwInterface, DWORD* pcbBuffer, CRYPT_PROVIDER_REG** ppBuffer)
#uselib "bcrypt.dll"
#cfunc global BCryptQueryProviderRegistration "BCryptQueryProviderRegistration" wstr, int, int, var, var
; res = BCryptQueryProviderRegistration(pszProvider, dwMode, dwInterface, pcbBuffer, ppBuffer)
; pszProvider : LPCWSTR -> "wstr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "int"
; dwInterface : BCRYPT_INTERFACE -> "int"
; pcbBuffer : DWORD* in/out -> "var"
; ppBuffer : CRYPT_PROVIDER_REG** 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")
	procBCryptQueryProviderRegistration = bcrypt.NewProc("BCryptQueryProviderRegistration")
)

// pszProvider (LPCWSTR), dwMode (BCRYPT_QUERY_PROVIDER_MODE), dwInterface (BCRYPT_INTERFACE), pcbBuffer (DWORD* in/out), ppBuffer (CRYPT_PROVIDER_REG** optional, out)
r1, _, err := procBCryptQueryProviderRegistration.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszProvider))),
	uintptr(dwMode),
	uintptr(dwInterface),
	uintptr(pcbBuffer),
	uintptr(ppBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptQueryProviderRegistration(
  pszProvider: PWideChar;   // LPCWSTR
  dwMode: DWORD;   // BCRYPT_QUERY_PROVIDER_MODE
  dwInterface: DWORD;   // BCRYPT_INTERFACE
  pcbBuffer: Pointer;   // DWORD* in/out
  ppBuffer: Pointer   // CRYPT_PROVIDER_REG** optional, out
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptQueryProviderRegistration';

result := DllCall("bcrypt\BCryptQueryProviderRegistration"
    , "WStr", pszProvider   ; LPCWSTR
    , "UInt", dwMode   ; BCRYPT_QUERY_PROVIDER_MODE
    , "UInt", dwInterface   ; BCRYPT_INTERFACE
    , "Ptr", pcbBuffer   ; DWORD* in/out
    , "Ptr", ppBuffer   ; CRYPT_PROVIDER_REG** optional, out
    , "Int")   ; return: NTSTATUS

●BCryptQueryProviderRegistration(pszProvider, dwMode, dwInterface, pcbBuffer, ppBuffer) = DLL("bcrypt.dll", "int BCryptQueryProviderRegistration(char*, dword, dword, void*, void*)")
# 呼び出し: BCryptQueryProviderRegistration(pszProvider, dwMode, dwInterface, pcbBuffer, ppBuffer)
# pszProvider : LPCWSTR -> "char*"
# dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "dword"
# dwInterface : BCRYPT_INTERFACE -> "dword"
# pcbBuffer : DWORD* in/out -> "void*"
# ppBuffer : CRYPT_PROVIDER_REG** 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)。