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BCryptResolveProviders

関数

条件に合致するCNG暗号プロバイダーを解決して一覧を取得する。

DLLbcrypt.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

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

NTSTATUS BCryptResolveProviders(
    LPCWSTR pszContext,   // optional
    DWORD dwInterface,   // optional
    LPCWSTR pszFunction,   // optional
    LPCWSTR pszProvider,   // optional
    BCRYPT_QUERY_PROVIDER_MODE dwMode,
    BCRYPT_RESOLVE_PROVIDERS_FLAGS dwFlags,
    DWORD* pcbBuffer,
    CRYPT_PROVIDER_REFS** ppBuffer   // optional
);

パラメーター

名前	型	方向
pszContext	LPCWSTR	inoptional
dwInterface	DWORD	inoptional
pszFunction	LPCWSTR	inoptional
pszProvider	LPCWSTR	inoptional
dwMode	BCRYPT_QUERY_PROVIDER_MODE	in
dwFlags	BCRYPT_RESOLVE_PROVIDERS_FLAGS	in
pcbBuffer	DWORD*	inout
ppBuffer	CRYPT_PROVIDER_REFS**	outoptional

戻り値の型: NTSTATUS

各言語での呼び出し定義

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

NTSTATUS BCryptResolveProviders(
    LPCWSTR pszContext,   // optional
    DWORD dwInterface,   // optional
    LPCWSTR pszFunction,   // optional
    LPCWSTR pszProvider,   // optional
    BCRYPT_QUERY_PROVIDER_MODE dwMode,
    BCRYPT_RESOLVE_PROVIDERS_FLAGS dwFlags,
    DWORD* pcbBuffer,
    CRYPT_PROVIDER_REFS** ppBuffer   // optional
);

[DllImport("bcrypt.dll", ExactSpelling = true)]
static extern int BCryptResolveProviders(
    [MarshalAs(UnmanagedType.LPWStr)] string pszContext,   // LPCWSTR optional
    uint dwInterface,   // DWORD optional
    [MarshalAs(UnmanagedType.LPWStr)] string pszFunction,   // LPCWSTR optional
    [MarshalAs(UnmanagedType.LPWStr)] string pszProvider,   // LPCWSTR optional
    uint dwMode,   // BCRYPT_QUERY_PROVIDER_MODE
    uint dwFlags,   // BCRYPT_RESOLVE_PROVIDERS_FLAGS
    ref uint pcbBuffer,   // DWORD* in/out
    IntPtr ppBuffer   // CRYPT_PROVIDER_REFS** optional, out
);

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

' pszContext : LPCWSTR optional
' dwInterface : DWORD optional
' pszFunction : LPCWSTR optional
' pszProvider : LPCWSTR optional
' dwMode : BCRYPT_QUERY_PROVIDER_MODE
' dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS
' pcbBuffer : DWORD* in/out
' ppBuffer : CRYPT_PROVIDER_REFS** optional, out
Declare PtrSafe Function BCryptResolveProviders Lib "bcrypt" ( _
    ByVal pszContext As LongPtr, _
    ByVal dwInterface As Long, _
    ByVal pszFunction As LongPtr, _
    ByVal pszProvider As LongPtr, _
    ByVal dwMode As Long, _
    ByVal dwFlags 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

BCryptResolveProviders = ctypes.windll.bcrypt.BCryptResolveProviders
BCryptResolveProviders.restype = ctypes.c_int
BCryptResolveProviders.argtypes = [
    wintypes.LPCWSTR,  # pszContext : LPCWSTR optional
    wintypes.DWORD,  # dwInterface : DWORD optional
    wintypes.LPCWSTR,  # pszFunction : LPCWSTR optional
    wintypes.LPCWSTR,  # pszProvider : LPCWSTR optional
    wintypes.DWORD,  # dwMode : BCRYPT_QUERY_PROVIDER_MODE
    wintypes.DWORD,  # dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS
    ctypes.POINTER(wintypes.DWORD),  # pcbBuffer : DWORD* in/out
    ctypes.c_void_p,  # ppBuffer : CRYPT_PROVIDER_REFS** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('bcrypt.dll')
BCryptResolveProviders = Fiddle::Function.new(
  lib['BCryptResolveProviders'],
  [
    Fiddle::TYPE_VOIDP,  # pszContext : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwInterface : DWORD optional
    Fiddle::TYPE_VOIDP,  # pszFunction : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pszProvider : LPCWSTR optional
    -Fiddle::TYPE_INT,  # dwMode : BCRYPT_QUERY_PROVIDER_MODE
    -Fiddle::TYPE_INT,  # dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS
    Fiddle::TYPE_VOIDP,  # pcbBuffer : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ppBuffer : CRYPT_PROVIDER_REFS** optional, out
  ],
  Fiddle::TYPE_INT)

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

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

#uselib "bcrypt.dll"
#func global BCryptResolveProviders "BCryptResolveProviders" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; BCryptResolveProviders pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, varptr(pcbBuffer), varptr(ppBuffer)   ; 戻り値は stat
; pszContext : LPCWSTR optional -> "sptr"
; dwInterface : DWORD optional -> "sptr"
; pszFunction : LPCWSTR optional -> "sptr"
; pszProvider : LPCWSTR optional -> "sptr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "sptr"
; dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS -> "sptr"
; pcbBuffer : DWORD* in/out -> "sptr"
; ppBuffer : CRYPT_PROVIDER_REFS** 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。

出力引数:

#uselib "bcrypt.dll"
#cfunc global BCryptResolveProviders "BCryptResolveProviders" wstr, int, wstr, wstr, int, int, var, var
; res = BCryptResolveProviders(pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, pcbBuffer, ppBuffer)
; pszContext : LPCWSTR optional -> "wstr"
; dwInterface : DWORD optional -> "int"
; pszFunction : LPCWSTR optional -> "wstr"
; pszProvider : LPCWSTR optional -> "wstr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "int"
; dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS -> "int"
; pcbBuffer : DWORD* in/out -> "var"
; ppBuffer : CRYPT_PROVIDER_REFS** 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。#uselib "bcrypt.dll"
#cfunc global BCryptResolveProviders "BCryptResolveProviders" wstr, int, wstr, wstr, int, int, sptr, sptr
; res = BCryptResolveProviders(pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, varptr(pcbBuffer), varptr(ppBuffer))
; pszContext : LPCWSTR optional -> "wstr"
; dwInterface : DWORD optional -> "int"
; pszFunction : LPCWSTR optional -> "wstr"
; pszProvider : LPCWSTR optional -> "wstr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "int"
; dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS -> "int"
; pcbBuffer : DWORD* in/out -> "sptr"
; ppBuffer : CRYPT_PROVIDER_REFS** optional, out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; NTSTATUS BCryptResolveProviders(LPCWSTR pszContext, DWORD dwInterface, LPCWSTR pszFunction, LPCWSTR pszProvider, BCRYPT_QUERY_PROVIDER_MODE dwMode, BCRYPT_RESOLVE_PROVIDERS_FLAGS dwFlags, DWORD* pcbBuffer, CRYPT_PROVIDER_REFS** ppBuffer)
#uselib "bcrypt.dll"
#cfunc global BCryptResolveProviders "BCryptResolveProviders" wstr, int, wstr, wstr, int, int, var, var
; res = BCryptResolveProviders(pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, pcbBuffer, ppBuffer)
; pszContext : LPCWSTR optional -> "wstr"
; dwInterface : DWORD optional -> "int"
; pszFunction : LPCWSTR optional -> "wstr"
; pszProvider : LPCWSTR optional -> "wstr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "int"
; dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS -> "int"
; pcbBuffer : DWORD* in/out -> "var"
; ppBuffer : CRYPT_PROVIDER_REFS** 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 BCryptResolveProviders(LPCWSTR pszContext, DWORD dwInterface, LPCWSTR pszFunction, LPCWSTR pszProvider, BCRYPT_QUERY_PROVIDER_MODE dwMode, BCRYPT_RESOLVE_PROVIDERS_FLAGS dwFlags, DWORD* pcbBuffer, CRYPT_PROVIDER_REFS** ppBuffer)
#uselib "bcrypt.dll"
#cfunc global BCryptResolveProviders "BCryptResolveProviders" wstr, int, wstr, wstr, int, int, intptr, intptr
; res = BCryptResolveProviders(pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, varptr(pcbBuffer), varptr(ppBuffer))
; pszContext : LPCWSTR optional -> "wstr"
; dwInterface : DWORD optional -> "int"
; pszFunction : LPCWSTR optional -> "wstr"
; pszProvider : LPCWSTR optional -> "wstr"
; dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "int"
; dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS -> "int"
; pcbBuffer : DWORD* in/out -> "intptr"
; ppBuffer : CRYPT_PROVIDER_REFS** optional, out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	bcrypt = windows.NewLazySystemDLL("bcrypt.dll")
	procBCryptResolveProviders = bcrypt.NewProc("BCryptResolveProviders")
)

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

function BCryptResolveProviders(
  pszContext: PWideChar;   // LPCWSTR optional
  dwInterface: DWORD;   // DWORD optional
  pszFunction: PWideChar;   // LPCWSTR optional
  pszProvider: PWideChar;   // LPCWSTR optional
  dwMode: DWORD;   // BCRYPT_QUERY_PROVIDER_MODE
  dwFlags: DWORD;   // BCRYPT_RESOLVE_PROVIDERS_FLAGS
  pcbBuffer: Pointer;   // DWORD* in/out
  ppBuffer: Pointer   // CRYPT_PROVIDER_REFS** optional, out
): Integer; stdcall;
  external 'bcrypt.dll' name 'BCryptResolveProviders';

result := DllCall("bcrypt\BCryptResolveProviders"
    , "WStr", pszContext   ; LPCWSTR optional
    , "UInt", dwInterface   ; DWORD optional
    , "WStr", pszFunction   ; LPCWSTR optional
    , "WStr", pszProvider   ; LPCWSTR optional
    , "UInt", dwMode   ; BCRYPT_QUERY_PROVIDER_MODE
    , "UInt", dwFlags   ; BCRYPT_RESOLVE_PROVIDERS_FLAGS
    , "Ptr", pcbBuffer   ; DWORD* in/out
    , "Ptr", ppBuffer   ; CRYPT_PROVIDER_REFS** optional, out
    , "Int")   ; return: NTSTATUS

●BCryptResolveProviders(pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, pcbBuffer, ppBuffer) = DLL("bcrypt.dll", "int BCryptResolveProviders(char*, dword, char*, char*, dword, dword, void*, void*)")
# 呼び出し: BCryptResolveProviders(pszContext, dwInterface, pszFunction, pszProvider, dwMode, dwFlags, pcbBuffer, ppBuffer)
# pszContext : LPCWSTR optional -> "char*"
# dwInterface : DWORD optional -> "dword"
# pszFunction : LPCWSTR optional -> "char*"
# pszProvider : LPCWSTR optional -> "char*"
# dwMode : BCRYPT_QUERY_PROVIDER_MODE -> "dword"
# dwFlags : BCRYPT_RESOLVE_PROVIDERS_FLAGS -> "dword"
# pcbBuffer : DWORD* in/out -> "void*"
# ppBuffer : CRYPT_PROVIDER_REFS** 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)。