ホーム › Security.Cryptography › CertStrToNameA

CertStrToNameA

関数

ANSI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ANSI (-A)呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// CRYPT32.dll  (ANSI / -A)
#include <windows.h>

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

パラメーター

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

戻り値の型: BOOL

各言語での呼び出し定義

// CRYPT32.dll  (ANSI / -A)
#include <windows.h>

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

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

<DllImport("CRYPT32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertStrToNameA(
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    <MarshalAs(UnmanagedType.LPStr)> pszX500 As String,   ' LPCSTR
    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   ' LPCSTR* optional, out
) As Boolean
End Function

' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pszX500 : LPCSTR
' dwStrType : CERT_STRING_TYPE
' pvReserved : void* optional
' pbEncoded : BYTE* optional, out
' pcbEncoded : DWORD* in/out
' ppszError : LPCSTR* optional, out
Declare PtrSafe Function CertStrToNameA Lib "crypt32" ( _
    ByVal dwCertEncodingType As Long, _
    ByVal pszX500 As String, _
    ByVal dwStrType As Long, _
    ByVal pvReserved As LongPtr, _
    ByVal pbEncoded As LongPtr, _
    ByRef pcbEncoded As Long, _
    ByVal ppszError 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

CertStrToNameA = ctypes.windll.crypt32.CertStrToNameA
CertStrToNameA.restype = wintypes.BOOL
CertStrToNameA.argtypes = [
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    wintypes.LPCSTR,  # pszX500 : LPCSTR
    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 : LPCSTR* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertStrToNameA = Fiddle::Function.new(
  lib['CertStrToNameA'],
  [
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    Fiddle::TYPE_VOIDP,  # pszX500 : LPCSTR
    -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 : LPCSTR* optional, out
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool CertStrToNameA(uint dwCertEncodingType, [MarshalAs(UnmanagedType.LPStr)] string pszX500, uint dwStrType, IntPtr pvReserved, IntPtr pbEncoded, ref uint pcbEncoded, IntPtr ppszError);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertStrToNameA' -Namespace Win32 -PassThru
# $api::CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)

#uselib "CRYPT32.dll"
#func global CertStrToNameA "CertStrToNameA" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CertStrToNameA dwCertEncodingType, pszX500, dwStrType, pvReserved, varptr(pbEncoded), varptr(pcbEncoded), varptr(ppszError)   ; 戻り値は stat
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; pszX500 : LPCSTR -> "sptr"
; dwStrType : CERT_STRING_TYPE -> "sptr"
; pvReserved : void* optional -> "sptr"
; pbEncoded : BYTE* optional, out -> "sptr"
; pcbEncoded : DWORD* in/out -> "sptr"
; ppszError : LPCSTR* 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 "CRYPT32.dll"
#cfunc global CertStrToNameA "CertStrToNameA" int, str, int, sptr, var, var, var
; res = CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCSTR -> "str"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "sptr"
; pbEncoded : BYTE* optional, out -> "var"
; pcbEncoded : DWORD* in/out -> "var"
; ppszError : LPCSTR* 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 CertStrToNameA "CertStrToNameA" int, str, int, sptr, sptr, sptr, sptr
; res = CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, varptr(pbEncoded), varptr(pcbEncoded), varptr(ppszError))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCSTR -> "str"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "sptr"
; pbEncoded : BYTE* optional, out -> "sptr"
; pcbEncoded : DWORD* in/out -> "sptr"
; ppszError : LPCSTR* 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 CertStrToNameA(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPCSTR pszX500, CERT_STRING_TYPE dwStrType, void* pvReserved, BYTE* pbEncoded, DWORD* pcbEncoded, LPCSTR* ppszError)
#uselib "CRYPT32.dll"
#cfunc global CertStrToNameA "CertStrToNameA" int, str, int, intptr, var, var, var
; res = CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCSTR -> "str"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "intptr"
; pbEncoded : BYTE* optional, out -> "var"
; pcbEncoded : DWORD* in/out -> "var"
; ppszError : LPCSTR* 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 CertStrToNameA(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPCSTR pszX500, CERT_STRING_TYPE dwStrType, void* pvReserved, BYTE* pbEncoded, DWORD* pcbEncoded, LPCSTR* ppszError)
#uselib "CRYPT32.dll"
#cfunc global CertStrToNameA "CertStrToNameA" int, str, int, intptr, intptr, intptr, intptr
; res = CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, varptr(pbEncoded), varptr(pcbEncoded), varptr(ppszError))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszX500 : LPCSTR -> "str"
; dwStrType : CERT_STRING_TYPE -> "int"
; pvReserved : void* optional -> "intptr"
; pbEncoded : BYTE* optional, out -> "intptr"
; pcbEncoded : DWORD* in/out -> "intptr"
; ppszError : LPCSTR* 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")
	procCertStrToNameA = crypt32.NewProc("CertStrToNameA")
)

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

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

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

●CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError) = DLL("CRYPT32.dll", "bool CertStrToNameA(dword, char*, dword, void*, void*, void*, void*)")
# 呼び出し: CertStrToNameA(dwCertEncodingType, pszX500, dwStrType, pvReserved, pbEncoded, pcbEncoded, ppszError)
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pszX500 : LPCSTR -> "char*"
# dwStrType : CERT_STRING_TYPE -> "dword"
# pvReserved : void* optional -> "void*"
# pbEncoded : BYTE* optional, out -> "void*"
# pcbEncoded : DWORD* in/out -> "void*"
# ppszError : LPCSTR* 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)。