ホーム › Security.Cryptography › CertStrToNameW

CertStrToNameW

関数

UnicodeのX.500名文字列をエンコードされた証明書名に変換する。

DLLCRYPT32.dll文字セットUnicode (-W)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// CRYPT32.dll  (Unicode / -W)
#include <windows.h>

BOOL CertStrToNameW(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    LPCWSTR pszX500,
    CERT_STRING_TYPE dwStrType,
    void* pvReserved,   // optional
    BYTE* pbEncoded,   // optional
    DWORD* pcbEncoded,
    LPCWSTR* ppszError   // optional
);

パラメーター

名前	型	方向
dwCertEncodingType	CERT_QUERY_ENCODING_TYPE	in
pszX500	LPCWSTR	in
dwStrType	CERT_STRING_TYPE	in
pvReserved	void*	optional
pbEncoded	BYTE*	outoptional
pcbEncoded	DWORD*	inout
ppszError	LPCWSTR*	outoptional

戻り値の型: BOOL

各言語での呼び出し定義

// CRYPT32.dll  (Unicode / -W)
#include <windows.h>

BOOL CertStrToNameW(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    LPCWSTR pszX500,
    CERT_STRING_TYPE dwStrType,
    void* pvReserved,   // optional
    BYTE* pbEncoded,   // optional
    DWORD* pcbEncoded,
    LPCWSTR* ppszError   // optional
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool CertStrToNameW(
    uint dwCertEncodingType,   // CERT_QUERY_ENCODING_TYPE
    [MarshalAs(UnmanagedType.LPWStr)] string pszX500,   // LPCWSTR
    uint dwStrType,   // CERT_STRING_TYPE
    IntPtr pvReserved,   // void* optional
    IntPtr pbEncoded,   // BYTE* optional, out
    ref uint pcbEncoded,   // DWORD* in/out
    IntPtr ppszError   // LPCWSTR* optional, out
);

<DllImport("CRYPT32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertStrToNameW(
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    <MarshalAs(UnmanagedType.LPWStr)> pszX500 As String,   ' LPCWSTR
    dwStrType As UInteger,   ' CERT_STRING_TYPE
    pvReserved As IntPtr,   ' void* optional
    pbEncoded As IntPtr,   ' BYTE* optional, out
    ByRef pcbEncoded As UInteger,   ' DWORD* in/out
    ppszError As IntPtr   ' LPCWSTR* optional, out
) As Boolean
End Function

' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pszX500 : LPCWSTR
' dwStrType : CERT_STRING_TYPE
' pvReserved : void* optional
' pbEncoded : BYTE* optional, out
' pcbEncoded : DWORD* in/out
' ppszError : LPCWSTR* optional, out
Declare PtrSafe Function CertStrToNameW Lib "crypt32" ( _
    ByVal dwCertEncodingType As Long, _
    ByVal pszX500 As LongPtr, _
    ByVal dwStrType As Long, _
    ByVal pvReserved As LongPtr, _
    ByVal pbEncoded As LongPtr, _
    ByRef pcbEncoded As Long, _
    ByVal ppszError As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertStrToNameW = ctypes.windll.crypt32.CertStrToNameW
CertStrToNameW.restype = wintypes.BOOL
CertStrToNameW.argtypes = [
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    wintypes.LPCWSTR,  # pszX500 : LPCWSTR
    wintypes.DWORD,  # dwStrType : CERT_STRING_TYPE
    ctypes.POINTER(None),  # pvReserved : void* optional
    ctypes.POINTER(ctypes.c_ubyte),  # pbEncoded : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbEncoded : DWORD* in/out
    ctypes.c_void_p,  # ppszError : LPCWSTR* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertStrToNameW = Fiddle::Function.new(
  lib['CertStrToNameW'],
  [
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    Fiddle::TYPE_VOIDP,  # pszX500 : LPCWSTR
    -Fiddle::TYPE_INT,  # dwStrType : CERT_STRING_TYPE
    Fiddle::TYPE_VOIDP,  # pvReserved : void* optional
    Fiddle::TYPE_VOIDP,  # pbEncoded : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbEncoded : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # ppszError : LPCWSTR* optional, out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "crypt32")]
extern "system" {
    fn CertStrToNameW(
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        pszX500: *const u16,  // LPCWSTR
        dwStrType: u32,  // CERT_STRING_TYPE
        pvReserved: *mut (),  // void* optional
        pbEncoded: *mut u8,  // BYTE* optional, out
        pcbEncoded: *mut u32,  // DWORD* in/out
        ppszError: *const *const u16  // LPCWSTR* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool CertStrToNameW(uint dwCertEncodingType, [MarshalAs(UnmanagedType.LPWStr)] string pszX500, uint dwStrType, IntPtr pvReserved, IntPtr pbEncoded, ref uint pcbEncoded, IntPtr ppszError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertStrToNameW' -Namespace Win32 -PassThru
# $api::CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)

#uselib "CRYPT32.dll"
#func global CertStrToNameW "CertStrToNameW" wptr, wptr, wptr, wptr, wptr, wptr, wptr
; CertStrToNameW dwCertEncodingType, pszX500, dwStrType, pvReserved, varptr(pbEncoded), varptr(pcbEncoded), varptr(ppszError)   ; 戻り値は stat
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "wptr"
; pszX500 : LPCWSTR -> "wptr"
; dwStrType : CERT_STRING_TYPE -> "wptr"
; pvReserved : void* optional -> "wptr"
; pbEncoded : BYTE* optional, out -> "wptr"
; pcbEncoded : DWORD* in/out -> "wptr"
; ppszError : LPCWSTR* optional, out -> "wptr"
; ※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 "CRYPT32.dll"
#cfunc global CertStrToNameW "CertStrToNameW" int, wstr, int, sptr, var, var, var
; res = CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCWSTR -> "wstr"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "sptr"
; pbEncoded : BYTE* optional, out -> "var"
; pcbEncoded : DWORD* in/out -> "var"
; ppszError : LPCWSTR* 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 "CRYPT32.dll"
#cfunc global CertStrToNameW "CertStrToNameW" int, wstr, int, sptr, sptr, sptr, sptr
; res = CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, varptr(pbEncoded), varptr(pcbEncoded), varptr(ppszError))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCWSTR -> "wstr"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "sptr"
; pbEncoded : BYTE* optional, out -> "sptr"
; pcbEncoded : DWORD* in/out -> "sptr"
; ppszError : LPCWSTR* 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:

; BOOL CertStrToNameW(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPCWSTR pszX500, CERT_STRING_TYPE dwStrType, void* pvReserved, BYTE* pbEncoded, DWORD* pcbEncoded, LPCWSTR* ppszError)
#uselib "CRYPT32.dll"
#cfunc global CertStrToNameW "CertStrToNameW" int, wstr, int, intptr, var, var, var
; res = CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCWSTR -> "wstr"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "intptr"
; pbEncoded : BYTE* optional, out -> "var"
; pcbEncoded : DWORD* in/out -> "var"
; ppszError : LPCWSTR* 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。; BOOL CertStrToNameW(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPCWSTR pszX500, CERT_STRING_TYPE dwStrType, void* pvReserved, BYTE* pbEncoded, DWORD* pcbEncoded, LPCWSTR* ppszError)
#uselib "CRYPT32.dll"
#cfunc global CertStrToNameW "CertStrToNameW" int, wstr, int, intptr, intptr, intptr, intptr
; res = CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, varptr(pbEncoded), varptr(pcbEncoded), varptr(ppszError))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCWSTR -> "wstr"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "intptr"
; pbEncoded : BYTE* optional, out -> "intptr"
; pcbEncoded : DWORD* in/out -> "intptr"
; ppszError : LPCWSTR* 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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertStrToNameW = crypt32.NewProc("CertStrToNameW")
)

// dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), pszX500 (LPCWSTR), dwStrType (CERT_STRING_TYPE), pvReserved (void* optional), pbEncoded (BYTE* optional, out), pcbEncoded (DWORD* in/out), ppszError (LPCWSTR* optional, out)
r1, _, err := procCertStrToNameW.Call(
	uintptr(dwCertEncodingType),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszX500))),
	uintptr(dwStrType),
	uintptr(pvReserved),
	uintptr(pbEncoded),
	uintptr(pcbEncoded),
	uintptr(ppszError),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertStrToNameW(
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  pszX500: PWideChar;   // LPCWSTR
  dwStrType: DWORD;   // CERT_STRING_TYPE
  pvReserved: Pointer;   // void* optional
  pbEncoded: Pointer;   // BYTE* optional, out
  pcbEncoded: Pointer;   // DWORD* in/out
  ppszError: PPWideChar   // LPCWSTR* optional, out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertStrToNameW';

result := DllCall("CRYPT32\CertStrToNameW"
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "WStr", pszX500   ; LPCWSTR
    , "UInt", dwStrType   ; CERT_STRING_TYPE
    , "Ptr", pvReserved   ; void* optional
    , "Ptr", pbEncoded   ; BYTE* optional, out
    , "Ptr", pcbEncoded   ; DWORD* in/out
    , "Ptr", ppszError   ; LPCWSTR* optional, out
    , "Int")   ; return: BOOL

●CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError) = DLL("CRYPT32.dll", "bool CertStrToNameW(dword, char*, dword, void*, void*, void*, void*)")
# 呼び出し: CertStrToNameW(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pszX500 : LPCWSTR -> "char*"
# dwStrType : CERT_STRING_TYPE -> "dword"
# pvReserved : void* optional -> "void*"
# pbEncoded : BYTE* optional, out -> "void*"
# pcbEncoded : DWORD* in/out -> "void*"
# ppszError : LPCWSTR* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。