BCryptEnumAlgorithms

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

NTSTATUS BCryptEnumAlgorithms(
    BCRYPT_OPERATION dwAlgOperations,
    DWORD* pAlgCount,
    BCRYPT_ALGORITHM_IDENTIFIER** ppAlgList,
    DWORD dwFlags
);

<DllImport("bcrypt.dll", ExactSpelling:=True)>
Public Shared Function BCryptEnumAlgorithms(
    dwAlgOperations As UInteger,   ' BCRYPT_OPERATION
    <Out> ByRef pAlgCount As UInteger,   ' DWORD* out
    ppAlgList As IntPtr,   ' BCRYPT_ALGORITHM_IDENTIFIER** out
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' dwAlgOperations : BCRYPT_OPERATION
' pAlgCount : DWORD* out
' ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** out
' dwFlags : DWORD
Declare PtrSafe Function BCryptEnumAlgorithms Lib "bcrypt" ( _
    ByVal dwAlgOperations As Long, _
    ByRef pAlgCount As Long, _
    ByVal ppAlgList 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

BCryptEnumAlgorithms = ctypes.windll.bcrypt.BCryptEnumAlgorithms
BCryptEnumAlgorithms.restype = ctypes.c_int
BCryptEnumAlgorithms.argtypes = [
    wintypes.DWORD,  # dwAlgOperations : BCRYPT_OPERATION
    ctypes.POINTER(wintypes.DWORD),  # pAlgCount : DWORD* out
    ctypes.c_void_p,  # ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptEnumAlgorithms = Fiddle::Function.new(
  lib['BCryptEnumAlgorithms'],
  [
    -Fiddle::TYPE_INT,  # dwAlgOperations : BCRYPT_OPERATION
    Fiddle::TYPE_VOIDP,  # pAlgCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "bcrypt")]
extern "system" {
    fn BCryptEnumAlgorithms(
        dwAlgOperations: u32,  // BCRYPT_OPERATION
        pAlgCount: *mut u32,  // DWORD* out
        ppAlgList: *mut *mut BCRYPT_ALGORITHM_IDENTIFIER,  // BCRYPT_ALGORITHM_IDENTIFIER** out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("bcrypt.dll")]
public static extern int BCryptEnumAlgorithms(uint dwAlgOperations, out uint pAlgCount, IntPtr ppAlgList, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'bcrypt_BCryptEnumAlgorithms' -Namespace Win32 -PassThru
# $api::BCryptEnumAlgorithms(dwAlgOperations, pAlgCount, ppAlgList, dwFlags)

#uselib "bcrypt.dll"
#func global BCryptEnumAlgorithms "BCryptEnumAlgorithms" sptr, sptr, sptr, sptr
; BCryptEnumAlgorithms dwAlgOperations, varptr(pAlgCount), varptr(ppAlgList), dwFlags   ; 戻り値は stat
; dwAlgOperations : BCRYPT_OPERATION -> "sptr"
; pAlgCount : DWORD* out -> "sptr"
; ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** 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 "bcrypt.dll"
#cfunc global BCryptEnumAlgorithms "BCryptEnumAlgorithms" int, var, var, int
; res = BCryptEnumAlgorithms(dwAlgOperations, pAlgCount, ppAlgList, dwFlags)
; dwAlgOperations : BCRYPT_OPERATION -> "int"
; pAlgCount : DWORD* out -> "var"
; ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** 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 BCryptEnumAlgorithms(BCRYPT_OPERATION dwAlgOperations, DWORD* pAlgCount, BCRYPT_ALGORITHM_IDENTIFIER** ppAlgList, DWORD dwFlags)
#uselib "bcrypt.dll"
#cfunc global BCryptEnumAlgorithms "BCryptEnumAlgorithms" int, var, var, int
; res = BCryptEnumAlgorithms(dwAlgOperations, pAlgCount, ppAlgList, dwFlags)
; dwAlgOperations : BCRYPT_OPERATION -> "int"
; pAlgCount : DWORD* out -> "var"
; ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** 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 (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptEnumAlgorithms = bcrypt.NewProc("BCryptEnumAlgorithms")
)

// dwAlgOperations (BCRYPT_OPERATION), pAlgCount (DWORD* out), ppAlgList (BCRYPT_ALGORITHM_IDENTIFIER** out), dwFlags (DWORD)
r1, _, err := procBCryptEnumAlgorithms.Call(
	uintptr(dwAlgOperations),
	uintptr(pAlgCount),
	uintptr(ppAlgList),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function BCryptEnumAlgorithms(
  dwAlgOperations: DWORD;   // BCRYPT_OPERATION
  pAlgCount: Pointer;   // DWORD* out
  ppAlgList: Pointer;   // BCRYPT_ALGORITHM_IDENTIFIER** out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptEnumAlgorithms';

result := DllCall("bcrypt\BCryptEnumAlgorithms"
    , "UInt", dwAlgOperations   ; BCRYPT_OPERATION
    , "Ptr", pAlgCount   ; DWORD* out
    , "Ptr", ppAlgList   ; BCRYPT_ALGORITHM_IDENTIFIER** out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: NTSTATUS

●BCryptEnumAlgorithms(dwAlgOperations, pAlgCount, ppAlgList, dwFlags) = DLL("bcrypt.dll", "int BCryptEnumAlgorithms(dword, void*, void*, dword)")
# 呼び出し: BCryptEnumAlgorithms(dwAlgOperations, pAlgCount, ppAlgList, dwFlags)
# dwAlgOperations : BCRYPT_OPERATION -> "dword"
# pAlgCount : DWORD* out -> "void*"
# ppAlgList : BCRYPT_ALGORITHM_IDENTIFIER** 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)。