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SslLookupCipherLengths

関数
指定暗号スイートの鍵やMACなどの長さ情報を取得する。
DLLncrypt.dll呼出規約winapi

シグネチャ

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

HRESULT SslLookupCipherLengths(
    NCRYPT_PROV_HANDLE hSslProvider,
    DWORD dwProtocol,
    DWORD dwCipherSuite,
    DWORD dwKeyType,
    NCRYPT_SSL_CIPHER_LENGTHS* pCipherLengths,
    DWORD cbCipherLengths,
    DWORD dwFlags
);

パラメーター

名前方向説明
hSslProviderNCRYPT_PROV_HANDLEinSchannel SSLプロバイダのハンドル。
dwProtocolDWORDin対象のSSL/TLSプロトコルバージョンを示す値。
dwCipherSuiteDWORDin対象の暗号スイートを示す値。
dwKeyTypeDWORDin鍵の種類を示す値。
pCipherLengthsNCRYPT_SSL_CIPHER_LENGTHS*out取得した暗号スイートの各種長さ情報を格納するNCRYPT_SSL_CIPHER_LENGTHS。
cbCipherLengthsDWORDinpCipherLengths構造体のバイト数。
dwFlagsDWORDin動作を制御するフラグ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT SslLookupCipherLengths(
    NCRYPT_PROV_HANDLE hSslProvider,
    DWORD dwProtocol,
    DWORD dwCipherSuite,
    DWORD dwKeyType,
    NCRYPT_SSL_CIPHER_LENGTHS* pCipherLengths,
    DWORD cbCipherLengths,
    DWORD dwFlags
);
[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int SslLookupCipherLengths(
    UIntPtr hSslProvider,   // NCRYPT_PROV_HANDLE
    uint dwProtocol,   // DWORD
    uint dwCipherSuite,   // DWORD
    uint dwKeyType,   // DWORD
    IntPtr pCipherLengths,   // NCRYPT_SSL_CIPHER_LENGTHS* out
    uint cbCipherLengths,   // DWORD
    uint dwFlags   // DWORD
);
<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslLookupCipherLengths(
    hSslProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    dwProtocol As UInteger,   ' DWORD
    dwCipherSuite As UInteger,   ' DWORD
    dwKeyType As UInteger,   ' DWORD
    pCipherLengths As IntPtr,   ' NCRYPT_SSL_CIPHER_LENGTHS* out
    cbCipherLengths As UInteger,   ' DWORD
    dwFlags As UInteger   ' DWORD
) As Integer
End Function
' hSslProvider : NCRYPT_PROV_HANDLE
' dwProtocol : DWORD
' dwCipherSuite : DWORD
' dwKeyType : DWORD
' pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out
' cbCipherLengths : DWORD
' dwFlags : DWORD
Declare PtrSafe Function SslLookupCipherLengths Lib "ncrypt" ( _
    ByVal hSslProvider As LongPtr, _
    ByVal dwProtocol As Long, _
    ByVal dwCipherSuite As Long, _
    ByVal dwKeyType As Long, _
    ByVal pCipherLengths As LongPtr, _
    ByVal cbCipherLengths As Long, _
    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

SslLookupCipherLengths = ctypes.windll.ncrypt.SslLookupCipherLengths
SslLookupCipherLengths.restype = ctypes.c_int
SslLookupCipherLengths.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
    wintypes.DWORD,  # dwProtocol : DWORD
    wintypes.DWORD,  # dwCipherSuite : DWORD
    wintypes.DWORD,  # dwKeyType : DWORD
    ctypes.c_void_p,  # pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out
    wintypes.DWORD,  # cbCipherLengths : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
SslLookupCipherLengths = Fiddle::Function.new(
  lib['SslLookupCipherLengths'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
    -Fiddle::TYPE_INT,  # dwProtocol : DWORD
    -Fiddle::TYPE_INT,  # dwCipherSuite : DWORD
    -Fiddle::TYPE_INT,  # dwKeyType : DWORD
    Fiddle::TYPE_VOIDP,  # pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out
    -Fiddle::TYPE_INT,  # cbCipherLengths : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)
#[link(name = "ncrypt")]
extern "system" {
    fn SslLookupCipherLengths(
        hSslProvider: usize,  // NCRYPT_PROV_HANDLE
        dwProtocol: u32,  // DWORD
        dwCipherSuite: u32,  // DWORD
        dwKeyType: u32,  // DWORD
        pCipherLengths: *mut NCRYPT_SSL_CIPHER_LENGTHS,  // NCRYPT_SSL_CIPHER_LENGTHS* out
        cbCipherLengths: u32,  // DWORD
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ncrypt.dll")]
public static extern int SslLookupCipherLengths(UIntPtr hSslProvider, uint dwProtocol, uint dwCipherSuite, uint dwKeyType, IntPtr pCipherLengths, uint cbCipherLengths, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslLookupCipherLengths' -Namespace Win32 -PassThru
# $api::SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
#uselib "ncrypt.dll"
#func global SslLookupCipherLengths "SslLookupCipherLengths" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SslLookupCipherLengths hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, varptr(pCipherLengths), cbCipherLengths, dwFlags   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; dwProtocol : DWORD -> "sptr"
; dwCipherSuite : DWORD -> "sptr"
; dwKeyType : DWORD -> "sptr"
; pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> "sptr"
; cbCipherLengths : DWORD -> "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。
出力引数:
#uselib "ncrypt.dll"
#cfunc global SslLookupCipherLengths "SslLookupCipherLengths" sptr, int, int, int, var, int, int
; res = SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; dwProtocol : DWORD -> "int"
; dwCipherSuite : DWORD -> "int"
; dwKeyType : DWORD -> "int"
; pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> "var"
; cbCipherLengths : DWORD -> "int"
; 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。
出力引数:
; HRESULT SslLookupCipherLengths(NCRYPT_PROV_HANDLE hSslProvider, DWORD dwProtocol, DWORD dwCipherSuite, DWORD dwKeyType, NCRYPT_SSL_CIPHER_LENGTHS* pCipherLengths, DWORD cbCipherLengths, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslLookupCipherLengths "SslLookupCipherLengths" intptr, int, int, int, var, int, int
; res = SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; dwProtocol : DWORD -> "int"
; dwCipherSuite : DWORD -> "int"
; dwKeyType : DWORD -> "int"
; pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> "var"
; cbCipherLengths : DWORD -> "int"
; 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")
	procSslLookupCipherLengths = ncrypt.NewProc("SslLookupCipherLengths")
)

// hSslProvider (NCRYPT_PROV_HANDLE), dwProtocol (DWORD), dwCipherSuite (DWORD), dwKeyType (DWORD), pCipherLengths (NCRYPT_SSL_CIPHER_LENGTHS* out), cbCipherLengths (DWORD), dwFlags (DWORD)
r1, _, err := procSslLookupCipherLengths.Call(
	uintptr(hSslProvider),
	uintptr(dwProtocol),
	uintptr(dwCipherSuite),
	uintptr(dwKeyType),
	uintptr(pCipherLengths),
	uintptr(cbCipherLengths),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function SslLookupCipherLengths(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  dwProtocol: DWORD;   // DWORD
  dwCipherSuite: DWORD;   // DWORD
  dwKeyType: DWORD;   // DWORD
  pCipherLengths: Pointer;   // NCRYPT_SSL_CIPHER_LENGTHS* out
  cbCipherLengths: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslLookupCipherLengths';
result := DllCall("ncrypt\SslLookupCipherLengths"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "UInt", dwProtocol   ; DWORD
    , "UInt", dwCipherSuite   ; DWORD
    , "UInt", dwKeyType   ; DWORD
    , "Ptr", pCipherLengths   ; NCRYPT_SSL_CIPHER_LENGTHS* out
    , "UInt", cbCipherLengths   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT
●SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags) = DLL("ncrypt.dll", "int SslLookupCipherLengths(int, dword, dword, dword, void*, dword, dword)")
# 呼び出し: SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# dwProtocol : DWORD -> "dword"
# dwCipherSuite : DWORD -> "dword"
# dwKeyType : DWORD -> "dword"
# pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> "void*"
# cbCipherLengths : DWORD -> "dword"
# 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)。
const std = @import("std");

extern "ncrypt" fn SslLookupCipherLengths(
    hSslProvider: usize, // NCRYPT_PROV_HANDLE
    dwProtocol: u32, // DWORD
    dwCipherSuite: u32, // DWORD
    dwKeyType: u32, // DWORD
    pCipherLengths: [*c]NCRYPT_SSL_CIPHER_LENGTHS, // NCRYPT_SSL_CIPHER_LENGTHS* out
    cbCipherLengths: u32, // DWORD
    dwFlags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;
proc SslLookupCipherLengths(
    hSslProvider: uint,  # NCRYPT_PROV_HANDLE
    dwProtocol: uint32,  # DWORD
    dwCipherSuite: uint32,  # DWORD
    dwKeyType: uint32,  # DWORD
    pCipherLengths: ptr NCRYPT_SSL_CIPHER_LENGTHS,  # NCRYPT_SSL_CIPHER_LENGTHS* out
    cbCipherLengths: uint32,  # DWORD
    dwFlags: uint32  # DWORD
): int32 {.importc: "SslLookupCipherLengths", stdcall, dynlib: "ncrypt.dll".}
pragma(lib, "ncrypt");
extern(Windows)
int SslLookupCipherLengths(
    size_t hSslProvider,   // NCRYPT_PROV_HANDLE
    uint dwProtocol,   // DWORD
    uint dwCipherSuite,   // DWORD
    uint dwKeyType,   // DWORD
    NCRYPT_SSL_CIPHER_LENGTHS* pCipherLengths,   // NCRYPT_SSL_CIPHER_LENGTHS* out
    uint cbCipherLengths,   // DWORD
    uint dwFlags   // DWORD
);
ccall((:SslLookupCipherLengths, "ncrypt.dll"), stdcall, Int32,
      (Csize_t, UInt32, UInt32, UInt32, Ptr{NCRYPT_SSL_CIPHER_LENGTHS}, UInt32, UInt32),
      hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> Csize_t
# dwProtocol : DWORD -> UInt32
# dwCipherSuite : DWORD -> UInt32
# dwKeyType : DWORD -> UInt32
# pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> Ptr{NCRYPT_SSL_CIPHER_LENGTHS}
# cbCipherLengths : DWORD -> UInt32
# dwFlags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t SslLookupCipherLengths(
    uintptr_t hSslProvider,
    uint32_t dwProtocol,
    uint32_t dwCipherSuite,
    uint32_t dwKeyType,
    void* pCipherLengths,
    uint32_t cbCipherLengths,
    uint32_t dwFlags);
]]
local ncrypt = ffi.load("ncrypt")
-- ncrypt.SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
-- hSslProvider : NCRYPT_PROV_HANDLE
-- dwProtocol : DWORD
-- dwCipherSuite : DWORD
-- dwKeyType : DWORD
-- pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out
-- cbCipherLengths : DWORD
-- dwFlags : DWORD
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('ncrypt.dll');
const SslLookupCipherLengths = lib.func('__stdcall', 'SslLookupCipherLengths', 'int32_t', ['uintptr_t', 'uint32_t', 'uint32_t', 'uint32_t', 'void *', 'uint32_t', 'uint32_t']);
// SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
// hSslProvider : NCRYPT_PROV_HANDLE -> 'uintptr_t'
// dwProtocol : DWORD -> 'uint32_t'
// dwCipherSuite : DWORD -> 'uint32_t'
// dwKeyType : DWORD -> 'uint32_t'
// pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> 'void *'
// cbCipherLengths : DWORD -> 'uint32_t'
// dwFlags : DWORD -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("ncrypt.dll", {
  SslLookupCipherLengths: { parameters: ["usize", "u32", "u32", "u32", "pointer", "u32", "u32"], result: "i32" },
});
// lib.symbols.SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags)
// hSslProvider : NCRYPT_PROV_HANDLE -> "usize"
// dwProtocol : DWORD -> "u32"
// dwCipherSuite : DWORD -> "u32"
// dwKeyType : DWORD -> "u32"
// pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> "pointer"
// cbCipherLengths : DWORD -> "u32"
// dwFlags : DWORD -> "u32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t SslLookupCipherLengths(
    size_t hSslProvider,
    uint32_t dwProtocol,
    uint32_t dwCipherSuite,
    uint32_t dwKeyType,
    void* pCipherLengths,
    uint32_t cbCipherLengths,
    uint32_t dwFlags);
C, "ncrypt.dll");
// $ffi->SslLookupCipherLengths(hSslProvider, dwProtocol, dwCipherSuite, dwKeyType, pCipherLengths, cbCipherLengths, dwFlags);
// hSslProvider : NCRYPT_PROV_HANDLE
// dwProtocol : DWORD
// dwCipherSuite : DWORD
// dwKeyType : DWORD
// pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out
// cbCipherLengths : DWORD
// dwFlags : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Ncrypt extends StdCallLibrary {
    Ncrypt INSTANCE = Native.load("ncrypt", Ncrypt.class);
    int SslLookupCipherLengths(
        long hSslProvider,   // NCRYPT_PROV_HANDLE
        int dwProtocol,   // DWORD
        int dwCipherSuite,   // DWORD
        int dwKeyType,   // DWORD
        Pointer pCipherLengths,   // NCRYPT_SSL_CIPHER_LENGTHS* out
        int cbCipherLengths,   // DWORD
        int dwFlags   // DWORD
    );
}
@[Link("ncrypt")]
lib Libncrypt
  fun SslLookupCipherLengths = SslLookupCipherLengths(
    hSslProvider : LibC::SizeT,   # NCRYPT_PROV_HANDLE
    dwProtocol : UInt32,   # DWORD
    dwCipherSuite : UInt32,   # DWORD
    dwKeyType : UInt32,   # DWORD
    pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS*,   # NCRYPT_SSL_CIPHER_LENGTHS* out
    cbCipherLengths : UInt32,   # DWORD
    dwFlags : UInt32   # DWORD
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SslLookupCipherLengthsNative = Int32 Function(UintPtr, Uint32, Uint32, Uint32, Pointer<Void>, Uint32, Uint32);
typedef SslLookupCipherLengthsDart = int Function(int, int, int, int, Pointer<Void>, int, int);
final SslLookupCipherLengths = DynamicLibrary.open('ncrypt.dll')
    .lookupFunction<SslLookupCipherLengthsNative, SslLookupCipherLengthsDart>('SslLookupCipherLengths');
// hSslProvider : NCRYPT_PROV_HANDLE -> UintPtr
// dwProtocol : DWORD -> Uint32
// dwCipherSuite : DWORD -> Uint32
// dwKeyType : DWORD -> Uint32
// pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> Pointer<Void>
// cbCipherLengths : DWORD -> Uint32
// dwFlags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SslLookupCipherLengths(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  dwProtocol: DWORD;   // DWORD
  dwCipherSuite: DWORD;   // DWORD
  dwKeyType: DWORD;   // DWORD
  pCipherLengths: Pointer;   // NCRYPT_SSL_CIPHER_LENGTHS* out
  cbCipherLengths: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslLookupCipherLengths';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SslLookupCipherLengths"
  c_SslLookupCipherLengths :: CUIntPtr -> Word32 -> Word32 -> Word32 -> Ptr () -> Word32 -> Word32 -> IO Int32
-- hSslProvider : NCRYPT_PROV_HANDLE -> CUIntPtr
-- dwProtocol : DWORD -> Word32
-- dwCipherSuite : DWORD -> Word32
-- dwKeyType : DWORD -> Word32
-- pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> Ptr ()
-- cbCipherLengths : DWORD -> Word32
-- dwFlags : DWORD -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let ssllookupcipherlengths =
  foreign "SslLookupCipherLengths"
    (size_t @-> uint32_t @-> uint32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> uint32_t @-> returning int32_t)
(* hSslProvider : NCRYPT_PROV_HANDLE -> size_t *)
(* dwProtocol : DWORD -> uint32_t *)
(* dwCipherSuite : DWORD -> uint32_t *)
(* dwKeyType : DWORD -> uint32_t *)
(* pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> (ptr void) *)
(* cbCipherLengths : DWORD -> uint32_t *)
(* dwFlags : DWORD -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library ncrypt (t "ncrypt.dll"))
(cffi:use-foreign-library ncrypt)

(cffi:defcfun ("SslLookupCipherLengths" ssl-lookup-cipher-lengths :convention :stdcall) :int32
  (h-ssl-provider :uint64)   ; NCRYPT_PROV_HANDLE
  (dw-protocol :uint32)   ; DWORD
  (dw-cipher-suite :uint32)   ; DWORD
  (dw-key-type :uint32)   ; DWORD
  (p-cipher-lengths :pointer)   ; NCRYPT_SSL_CIPHER_LENGTHS* out
  (cb-cipher-lengths :uint32)   ; DWORD
  (dw-flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SslLookupCipherLengths = Win32::API::More->new('ncrypt',
    'int SslLookupCipherLengths(WPARAM hSslProvider, DWORD dwProtocol, DWORD dwCipherSuite, DWORD dwKeyType, LPVOID pCipherLengths, DWORD cbCipherLengths, DWORD dwFlags)');
# my $ret = $SslLookupCipherLengths->Call($hSslProvider, $dwProtocol, $dwCipherSuite, $dwKeyType, $pCipherLengths, $cbCipherLengths, $dwFlags);
# hSslProvider : NCRYPT_PROV_HANDLE -> WPARAM
# dwProtocol : DWORD -> DWORD
# dwCipherSuite : DWORD -> DWORD
# dwKeyType : DWORD -> DWORD
# pCipherLengths : NCRYPT_SSL_CIPHER_LENGTHS* out -> LPVOID
# cbCipherLengths : DWORD -> DWORD
# dwFlags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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