NCryptEnumAlgorithms

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

HRESULT NCryptEnumAlgorithms(
    NCRYPT_PROV_HANDLE hProvider,
    NCRYPT_OPERATION dwAlgOperations,
    DWORD* pdwAlgCount,
    NCryptAlgorithmName** ppAlgList,
    DWORD dwFlags
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function NCryptEnumAlgorithms(
    hProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    dwAlgOperations As UInteger,   ' NCRYPT_OPERATION
    <Out> ByRef pdwAlgCount As UInteger,   ' DWORD* out
    ppAlgList As IntPtr,   ' NCryptAlgorithmName** out
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hProvider : NCRYPT_PROV_HANDLE
' dwAlgOperations : NCRYPT_OPERATION
' pdwAlgCount : DWORD* out
' ppAlgList : NCryptAlgorithmName** out
' dwFlags : DWORD
Declare PtrSafe Function NCryptEnumAlgorithms Lib "ncrypt" ( _
    ByVal hProvider As LongPtr, _
    ByVal dwAlgOperations As Long, _
    ByRef pdwAlgCount 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

NCryptEnumAlgorithms = ctypes.windll.ncrypt.NCryptEnumAlgorithms
NCryptEnumAlgorithms.restype = ctypes.c_int
NCryptEnumAlgorithms.argtypes = [
    ctypes.c_size_t,  # hProvider : NCRYPT_PROV_HANDLE
    wintypes.DWORD,  # dwAlgOperations : NCRYPT_OPERATION
    ctypes.POINTER(wintypes.DWORD),  # pdwAlgCount : DWORD* out
    ctypes.c_void_p,  # ppAlgList : NCryptAlgorithmName** out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
NCryptEnumAlgorithms = Fiddle::Function.new(
  lib['NCryptEnumAlgorithms'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hProvider : NCRYPT_PROV_HANDLE
    -Fiddle::TYPE_INT,  # dwAlgOperations : NCRYPT_OPERATION
    Fiddle::TYPE_VOIDP,  # pdwAlgCount : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppAlgList : NCryptAlgorithmName** out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn NCryptEnumAlgorithms(
        hProvider: usize,  // NCRYPT_PROV_HANDLE
        dwAlgOperations: u32,  // NCRYPT_OPERATION
        pdwAlgCount: *mut u32,  // DWORD* out
        ppAlgList: *mut *mut NCryptAlgorithmName,  // NCryptAlgorithmName** out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int NCryptEnumAlgorithms(UIntPtr hProvider, uint dwAlgOperations, out uint pdwAlgCount, IntPtr ppAlgList, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_NCryptEnumAlgorithms' -Namespace Win32 -PassThru
# $api::NCryptEnumAlgorithms(hProvider, dwAlgOperations, pdwAlgCount, ppAlgList, dwFlags)

#uselib "ncrypt.dll"
#func global NCryptEnumAlgorithms "NCryptEnumAlgorithms" sptr, sptr, sptr, sptr, sptr
; NCryptEnumAlgorithms hProvider, dwAlgOperations, varptr(pdwAlgCount), varptr(ppAlgList), dwFlags   ; 戻り値は stat
; hProvider : NCRYPT_PROV_HANDLE -> "sptr"
; dwAlgOperations : NCRYPT_OPERATION -> "sptr"
; pdwAlgCount : DWORD* out -> "sptr"
; ppAlgList : NCryptAlgorithmName** 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 NCryptEnumAlgorithms "NCryptEnumAlgorithms" sptr, int, var, var, int
; res = NCryptEnumAlgorithms(hProvider, dwAlgOperations, pdwAlgCount, ppAlgList, dwFlags)
; hProvider : NCRYPT_PROV_HANDLE -> "sptr"
; dwAlgOperations : NCRYPT_OPERATION -> "int"
; pdwAlgCount : DWORD* out -> "var"
; ppAlgList : NCryptAlgorithmName** 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。

; HRESULT NCryptEnumAlgorithms(NCRYPT_PROV_HANDLE hProvider, NCRYPT_OPERATION dwAlgOperations, DWORD* pdwAlgCount, NCryptAlgorithmName** ppAlgList, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global NCryptEnumAlgorithms "NCryptEnumAlgorithms" intptr, int, var, var, int
; res = NCryptEnumAlgorithms(hProvider, dwAlgOperations, pdwAlgCount, ppAlgList, dwFlags)
; hProvider : NCRYPT_PROV_HANDLE -> "intptr"
; dwAlgOperations : NCRYPT_OPERATION -> "int"
; pdwAlgCount : DWORD* out -> "var"
; ppAlgList : NCryptAlgorithmName** 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")
	procNCryptEnumAlgorithms = ncrypt.NewProc("NCryptEnumAlgorithms")
)

// hProvider (NCRYPT_PROV_HANDLE), dwAlgOperations (NCRYPT_OPERATION), pdwAlgCount (DWORD* out), ppAlgList (NCryptAlgorithmName** out), dwFlags (DWORD)
r1, _, err := procNCryptEnumAlgorithms.Call(
	uintptr(hProvider),
	uintptr(dwAlgOperations),
	uintptr(pdwAlgCount),
	uintptr(ppAlgList),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function NCryptEnumAlgorithms(
  hProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  dwAlgOperations: DWORD;   // NCRYPT_OPERATION
  pdwAlgCount: Pointer;   // DWORD* out
  ppAlgList: Pointer;   // NCryptAlgorithmName** out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'NCryptEnumAlgorithms';

result := DllCall("ncrypt\NCryptEnumAlgorithms"
    , "UPtr", hProvider   ; NCRYPT_PROV_HANDLE
    , "UInt", dwAlgOperations   ; NCRYPT_OPERATION
    , "Ptr", pdwAlgCount   ; DWORD* out
    , "Ptr", ppAlgList   ; NCryptAlgorithmName** out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●NCryptEnumAlgorithms(hProvider, dwAlgOperations, pdwAlgCount, ppAlgList, dwFlags) = DLL("ncrypt.dll", "int NCryptEnumAlgorithms(int, dword, void*, void*, dword)")
# 呼び出し: NCryptEnumAlgorithms(hProvider, dwAlgOperations, pdwAlgCount, ppAlgList, dwFlags)
# hProvider : NCRYPT_PROV_HANDLE -> "int"
# dwAlgOperations : NCRYPT_OPERATION -> "dword"
# pdwAlgCount : DWORD* out -> "void*"
# ppAlgList : NCryptAlgorithmName** 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)。