ホーム › Security.Cryptography › CryptFormatObject

CryptFormatObject

関数

エンコード済みデータを表示用文字列に整形する。

DLLCRYPT32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

// CRYPT32.dll
#include <windows.h>

BOOL CryptFormatObject(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    DWORD dwFormatType,
    DWORD dwFormatStrType,
    void* pFormatStruct,   // optional
    LPCSTR lpszStructType,   // optional
    const BYTE* pbEncoded,
    DWORD cbEncoded,
    void* pbFormat,   // optional
    DWORD* pcbFormat
);

パラメーター

名前	型	方向
dwCertEncodingType	CERT_QUERY_ENCODING_TYPE	in
dwFormatType	DWORD	in
dwFormatStrType	DWORD	in
pFormatStruct	void*	inoptional
lpszStructType	LPCSTR	inoptional
pbEncoded	BYTE*	in
cbEncoded	DWORD	in
pbFormat	void*	outoptional
pcbFormat	DWORD*	inout

戻り値の型: BOOL

各言語での呼び出し定義

// CRYPT32.dll
#include <windows.h>

BOOL CryptFormatObject(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    DWORD dwFormatType,
    DWORD dwFormatStrType,
    void* pFormatStruct,   // optional
    LPCSTR lpszStructType,   // optional
    const BYTE* pbEncoded,
    DWORD cbEncoded,
    void* pbFormat,   // optional
    DWORD* pcbFormat
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptFormatObject(
    uint dwCertEncodingType,   // CERT_QUERY_ENCODING_TYPE
    uint dwFormatType,   // DWORD
    uint dwFormatStrType,   // DWORD
    IntPtr pFormatStruct,   // void* optional
    [MarshalAs(UnmanagedType.LPStr)] string lpszStructType,   // LPCSTR optional
    IntPtr pbEncoded,   // BYTE*
    uint cbEncoded,   // DWORD
    IntPtr pbFormat,   // void* optional, out
    ref uint pcbFormat   // DWORD* in/out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptFormatObject(
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    dwFormatType As UInteger,   ' DWORD
    dwFormatStrType As UInteger,   ' DWORD
    pFormatStruct As IntPtr,   ' void* optional
    <MarshalAs(UnmanagedType.LPStr)> lpszStructType As String,   ' LPCSTR optional
    pbEncoded As IntPtr,   ' BYTE*
    cbEncoded As UInteger,   ' DWORD
    pbFormat As IntPtr,   ' void* optional, out
    ByRef pcbFormat As UInteger   ' DWORD* in/out
) As Boolean
End Function

' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' dwFormatType : DWORD
' dwFormatStrType : DWORD
' pFormatStruct : void* optional
' lpszStructType : LPCSTR optional
' pbEncoded : BYTE*
' cbEncoded : DWORD
' pbFormat : void* optional, out
' pcbFormat : DWORD* in/out
Declare PtrSafe Function CryptFormatObject Lib "crypt32" ( _
    ByVal dwCertEncodingType As Long, _
    ByVal dwFormatType As Long, _
    ByVal dwFormatStrType As Long, _
    ByVal pFormatStruct As LongPtr, _
    ByVal lpszStructType As String, _
    ByVal pbEncoded As LongPtr, _
    ByVal cbEncoded As Long, _
    ByVal pbFormat As LongPtr, _
    ByRef pcbFormat 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

CryptFormatObject = ctypes.windll.crypt32.CryptFormatObject
CryptFormatObject.restype = wintypes.BOOL
CryptFormatObject.argtypes = [
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    wintypes.DWORD,  # dwFormatType : DWORD
    wintypes.DWORD,  # dwFormatStrType : DWORD
    ctypes.POINTER(None),  # pFormatStruct : void* optional
    wintypes.LPCSTR,  # lpszStructType : LPCSTR optional
    ctypes.POINTER(ctypes.c_ubyte),  # pbEncoded : BYTE*
    wintypes.DWORD,  # cbEncoded : DWORD
    ctypes.POINTER(None),  # pbFormat : void* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbFormat : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptFormatObject = Fiddle::Function.new(
  lib['CryptFormatObject'],
  [
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    -Fiddle::TYPE_INT,  # dwFormatType : DWORD
    -Fiddle::TYPE_INT,  # dwFormatStrType : DWORD
    Fiddle::TYPE_VOIDP,  # pFormatStruct : void* optional
    Fiddle::TYPE_VOIDP,  # lpszStructType : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pbEncoded : BYTE*
    -Fiddle::TYPE_INT,  # cbEncoded : DWORD
    Fiddle::TYPE_VOIDP,  # pbFormat : void* optional, out
    Fiddle::TYPE_VOIDP,  # pcbFormat : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptFormatObject(
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        dwFormatType: u32,  // DWORD
        dwFormatStrType: u32,  // DWORD
        pFormatStruct: *mut (),  // void* optional
        lpszStructType: *const u8,  // LPCSTR optional
        pbEncoded: *const u8,  // BYTE*
        cbEncoded: u32,  // DWORD
        pbFormat: *mut (),  // void* optional, out
        pcbFormat: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CryptFormatObject(uint dwCertEncodingType, uint dwFormatType, uint dwFormatStrType, IntPtr pFormatStruct, [MarshalAs(UnmanagedType.LPStr)] string lpszStructType, IntPtr pbEncoded, uint cbEncoded, IntPtr pbFormat, ref uint pcbFormat);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptFormatObject' -Namespace Win32 -PassThru
# $api::CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, pbEncoded, cbEncoded, pbFormat, pcbFormat)

#uselib "CRYPT32.dll"
#func global CryptFormatObject "CryptFormatObject" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CryptFormatObject dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, varptr(pbEncoded), cbEncoded, pbFormat, varptr(pcbFormat)   ; 戻り値は stat
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; dwFormatType : DWORD -> "sptr"
; dwFormatStrType : DWORD -> "sptr"
; pFormatStruct : void* optional -> "sptr"
; lpszStructType : LPCSTR optional -> "sptr"
; pbEncoded : BYTE* -> "sptr"
; cbEncoded : DWORD -> "sptr"
; pbFormat : void* optional, out -> "sptr"
; pcbFormat : DWORD* in/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 CryptFormatObject "CryptFormatObject" int, int, int, sptr, str, var, int, sptr, var
; res = CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, pbEncoded, cbEncoded, pbFormat, pcbFormat)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFormatType : DWORD -> "int"
; dwFormatStrType : DWORD -> "int"
; pFormatStruct : void* optional -> "sptr"
; lpszStructType : LPCSTR optional -> "str"
; pbEncoded : BYTE* -> "var"
; cbEncoded : DWORD -> "int"
; pbFormat : void* optional, out -> "sptr"
; pcbFormat : DWORD* in/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 CryptFormatObject "CryptFormatObject" int, int, int, sptr, str, sptr, int, sptr, sptr
; res = CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, varptr(pbEncoded), cbEncoded, pbFormat, varptr(pcbFormat))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFormatType : DWORD -> "int"
; dwFormatStrType : DWORD -> "int"
; pFormatStruct : void* optional -> "sptr"
; lpszStructType : LPCSTR optional -> "str"
; pbEncoded : BYTE* -> "sptr"
; cbEncoded : DWORD -> "int"
; pbFormat : void* optional, out -> "sptr"
; pcbFormat : DWORD* in/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 CryptFormatObject(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, DWORD dwFormatType, DWORD dwFormatStrType, void* pFormatStruct, LPCSTR lpszStructType, BYTE* pbEncoded, DWORD cbEncoded, void* pbFormat, DWORD* pcbFormat)
#uselib "CRYPT32.dll"
#cfunc global CryptFormatObject "CryptFormatObject" int, int, int, intptr, str, var, int, intptr, var
; res = CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, pbEncoded, cbEncoded, pbFormat, pcbFormat)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFormatType : DWORD -> "int"
; dwFormatStrType : DWORD -> "int"
; pFormatStruct : void* optional -> "intptr"
; lpszStructType : LPCSTR optional -> "str"
; pbEncoded : BYTE* -> "var"
; cbEncoded : DWORD -> "int"
; pbFormat : void* optional, out -> "intptr"
; pcbFormat : DWORD* in/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 CryptFormatObject(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, DWORD dwFormatType, DWORD dwFormatStrType, void* pFormatStruct, LPCSTR lpszStructType, BYTE* pbEncoded, DWORD cbEncoded, void* pbFormat, DWORD* pcbFormat)
#uselib "CRYPT32.dll"
#cfunc global CryptFormatObject "CryptFormatObject" int, int, int, intptr, str, intptr, int, intptr, intptr
; res = CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, varptr(pbEncoded), cbEncoded, pbFormat, varptr(pcbFormat))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; dwFormatType : DWORD -> "int"
; dwFormatStrType : DWORD -> "int"
; pFormatStruct : void* optional -> "intptr"
; lpszStructType : LPCSTR optional -> "str"
; pbEncoded : BYTE* -> "intptr"
; cbEncoded : DWORD -> "int"
; pbFormat : void* optional, out -> "intptr"
; pcbFormat : DWORD* in/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")
	procCryptFormatObject = crypt32.NewProc("CryptFormatObject")
)

// dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), dwFormatType (DWORD), dwFormatStrType (DWORD), pFormatStruct (void* optional), lpszStructType (LPCSTR optional), pbEncoded (BYTE*), cbEncoded (DWORD), pbFormat (void* optional, out), pcbFormat (DWORD* in/out)
r1, _, err := procCryptFormatObject.Call(
	uintptr(dwCertEncodingType),
	uintptr(dwFormatType),
	uintptr(dwFormatStrType),
	uintptr(pFormatStruct),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszStructType))),
	uintptr(pbEncoded),
	uintptr(cbEncoded),
	uintptr(pbFormat),
	uintptr(pcbFormat),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptFormatObject(
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  dwFormatType: DWORD;   // DWORD
  dwFormatStrType: DWORD;   // DWORD
  pFormatStruct: Pointer;   // void* optional
  lpszStructType: PAnsiChar;   // LPCSTR optional
  pbEncoded: Pointer;   // BYTE*
  cbEncoded: DWORD;   // DWORD
  pbFormat: Pointer;   // void* optional, out
  pcbFormat: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptFormatObject';

result := DllCall("CRYPT32\CryptFormatObject"
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "UInt", dwFormatType   ; DWORD
    , "UInt", dwFormatStrType   ; DWORD
    , "Ptr", pFormatStruct   ; void* optional
    , "AStr", lpszStructType   ; LPCSTR optional
    , "Ptr", pbEncoded   ; BYTE*
    , "UInt", cbEncoded   ; DWORD
    , "Ptr", pbFormat   ; void* optional, out
    , "Ptr", pcbFormat   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, pbEncoded, cbEncoded, pbFormat, pcbFormat) = DLL("CRYPT32.dll", "bool CryptFormatObject(dword, dword, dword, void*, char*, void*, dword, void*, void*)")
# 呼び出し: CryptFormatObject(dwCertEncodingType, dwFormatType, dwFormatStrType, pFormatStruct, lpszStructType, pbEncoded, cbEncoded, pbFormat, pcbFormat)
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# dwFormatType : DWORD -> "dword"
# dwFormatStrType : DWORD -> "dword"
# pFormatStruct : void* optional -> "void*"
# lpszStructType : LPCSTR optional -> "char*"
# pbEncoded : BYTE* -> "void*"
# cbEncoded : DWORD -> "dword"
# pbFormat : void* optional, out -> "void*"
# pcbFormat : DWORD* in/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)。