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CryptExportPublicKeyInfoEx
関数オブジェクトIDを指定して公開鍵情報を拡張エクスポートする。
シグネチャ
// CRYPT32.dll
#include <windows.h>
BOOL CryptExportPublicKeyInfoEx(
HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProvOrNCryptKey,
DWORD dwKeySpec, // optional
CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
LPSTR pszPublicKeyObjId, // optional
DWORD dwFlags,
void* pvAuxInfo, // optional
CERT_PUBLIC_KEY_INFO* pInfo, // optional
DWORD* pcbInfo
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hCryptProvOrNCryptKey | HCRYPTPROV_OR_NCRYPT_KEY_HANDLE | in |
| dwKeySpec | DWORD | inoptional |
| dwCertEncodingType | CERT_QUERY_ENCODING_TYPE | in |
| pszPublicKeyObjId | LPSTR | inoptional |
| dwFlags | DWORD | in |
| pvAuxInfo | void* | inoptional |
| pInfo | CERT_PUBLIC_KEY_INFO* | outoptional |
| pcbInfo | 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 CryptExportPublicKeyInfoEx(
HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProvOrNCryptKey,
DWORD dwKeySpec, // optional
CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
LPSTR pszPublicKeyObjId, // optional
DWORD dwFlags,
void* pvAuxInfo, // optional
CERT_PUBLIC_KEY_INFO* pInfo, // optional
DWORD* pcbInfo
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptExportPublicKeyInfoEx(
UIntPtr hCryptProvOrNCryptKey, // HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
uint dwKeySpec, // DWORD optional
uint dwCertEncodingType, // CERT_QUERY_ENCODING_TYPE
[MarshalAs(UnmanagedType.LPStr)] string pszPublicKeyObjId, // LPSTR optional
uint dwFlags, // DWORD
IntPtr pvAuxInfo, // void* optional
IntPtr pInfo, // CERT_PUBLIC_KEY_INFO* optional, out
ref uint pcbInfo // DWORD* in/out
);<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptExportPublicKeyInfoEx(
hCryptProvOrNCryptKey As UIntPtr, ' HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
dwKeySpec As UInteger, ' DWORD optional
dwCertEncodingType As UInteger, ' CERT_QUERY_ENCODING_TYPE
<MarshalAs(UnmanagedType.LPStr)> pszPublicKeyObjId As String, ' LPSTR optional
dwFlags As UInteger, ' DWORD
pvAuxInfo As IntPtr, ' void* optional
pInfo As IntPtr, ' CERT_PUBLIC_KEY_INFO* optional, out
ByRef pcbInfo As UInteger ' DWORD* in/out
) As Boolean
End Function' hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
' dwKeySpec : DWORD optional
' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pszPublicKeyObjId : LPSTR optional
' dwFlags : DWORD
' pvAuxInfo : void* optional
' pInfo : CERT_PUBLIC_KEY_INFO* optional, out
' pcbInfo : DWORD* in/out
Declare PtrSafe Function CryptExportPublicKeyInfoEx Lib "crypt32" ( _
ByVal hCryptProvOrNCryptKey As LongPtr, _
ByVal dwKeySpec As Long, _
ByVal dwCertEncodingType As Long, _
ByVal pszPublicKeyObjId As String, _
ByVal dwFlags As Long, _
ByVal pvAuxInfo As LongPtr, _
ByVal pInfo As LongPtr, _
ByRef pcbInfo 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
CryptExportPublicKeyInfoEx = ctypes.windll.crypt32.CryptExportPublicKeyInfoEx
CryptExportPublicKeyInfoEx.restype = wintypes.BOOL
CryptExportPublicKeyInfoEx.argtypes = [
ctypes.c_size_t, # hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
wintypes.DWORD, # dwKeySpec : DWORD optional
wintypes.DWORD, # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
wintypes.LPCSTR, # pszPublicKeyObjId : LPSTR optional
wintypes.DWORD, # dwFlags : DWORD
ctypes.POINTER(None), # pvAuxInfo : void* optional
ctypes.c_void_p, # pInfo : CERT_PUBLIC_KEY_INFO* optional, out
ctypes.POINTER(wintypes.DWORD), # pcbInfo : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('CRYPT32.dll')
CryptExportPublicKeyInfoEx = Fiddle::Function.new(
lib['CryptExportPublicKeyInfoEx'],
[
Fiddle::TYPE_UINTPTR_T, # hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
-Fiddle::TYPE_INT, # dwKeySpec : DWORD optional
-Fiddle::TYPE_INT, # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
Fiddle::TYPE_VOIDP, # pszPublicKeyObjId : LPSTR optional
-Fiddle::TYPE_INT, # dwFlags : DWORD
Fiddle::TYPE_VOIDP, # pvAuxInfo : void* optional
Fiddle::TYPE_VOIDP, # pInfo : CERT_PUBLIC_KEY_INFO* optional, out
Fiddle::TYPE_VOIDP, # pcbInfo : DWORD* in/out
],
Fiddle::TYPE_INT)#[link(name = "crypt32")]
extern "system" {
fn CryptExportPublicKeyInfoEx(
hCryptProvOrNCryptKey: usize, // HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
dwKeySpec: u32, // DWORD optional
dwCertEncodingType: u32, // CERT_QUERY_ENCODING_TYPE
pszPublicKeyObjId: *mut u8, // LPSTR optional
dwFlags: u32, // DWORD
pvAuxInfo: *mut (), // void* optional
pInfo: *mut CERT_PUBLIC_KEY_INFO, // CERT_PUBLIC_KEY_INFO* optional, out
pcbInfo: *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 CryptExportPublicKeyInfoEx(UIntPtr hCryptProvOrNCryptKey, uint dwKeySpec, uint dwCertEncodingType, [MarshalAs(UnmanagedType.LPStr)] string pszPublicKeyObjId, uint dwFlags, IntPtr pvAuxInfo, IntPtr pInfo, ref uint pcbInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptExportPublicKeyInfoEx' -Namespace Win32 -PassThru
# $api::CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, pInfo, pcbInfo)#uselib "CRYPT32.dll"
#func global CryptExportPublicKeyInfoEx "CryptExportPublicKeyInfoEx" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CryptExportPublicKeyInfoEx hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, varptr(pInfo), varptr(pcbInfo) ; 戻り値は stat
; hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE -> "sptr"
; dwKeySpec : DWORD optional -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; pszPublicKeyObjId : LPSTR optional -> "sptr"
; dwFlags : DWORD -> "sptr"
; pvAuxInfo : void* optional -> "sptr"
; pInfo : CERT_PUBLIC_KEY_INFO* optional, out -> "sptr"
; pcbInfo : 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 CryptExportPublicKeyInfoEx "CryptExportPublicKeyInfoEx" sptr, int, int, str, int, sptr, var, var ; res = CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, pInfo, pcbInfo) ; hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE -> "sptr" ; dwKeySpec : DWORD optional -> "int" ; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int" ; pszPublicKeyObjId : LPSTR optional -> "str" ; dwFlags : DWORD -> "int" ; pvAuxInfo : void* optional -> "sptr" ; pInfo : CERT_PUBLIC_KEY_INFO* optional, out -> "var" ; pcbInfo : 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 CryptExportPublicKeyInfoEx "CryptExportPublicKeyInfoEx" sptr, int, int, str, int, sptr, sptr, sptr ; res = CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, varptr(pInfo), varptr(pcbInfo)) ; hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE -> "sptr" ; dwKeySpec : DWORD optional -> "int" ; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int" ; pszPublicKeyObjId : LPSTR optional -> "str" ; dwFlags : DWORD -> "int" ; pvAuxInfo : void* optional -> "sptr" ; pInfo : CERT_PUBLIC_KEY_INFO* optional, out -> "sptr" ; pcbInfo : 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 CryptExportPublicKeyInfoEx(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProvOrNCryptKey, DWORD dwKeySpec, CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPSTR pszPublicKeyObjId, DWORD dwFlags, void* pvAuxInfo, CERT_PUBLIC_KEY_INFO* pInfo, DWORD* pcbInfo) #uselib "CRYPT32.dll" #cfunc global CryptExportPublicKeyInfoEx "CryptExportPublicKeyInfoEx" intptr, int, int, str, int, intptr, var, var ; res = CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, pInfo, pcbInfo) ; hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE -> "intptr" ; dwKeySpec : DWORD optional -> "int" ; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int" ; pszPublicKeyObjId : LPSTR optional -> "str" ; dwFlags : DWORD -> "int" ; pvAuxInfo : void* optional -> "intptr" ; pInfo : CERT_PUBLIC_KEY_INFO* optional, out -> "var" ; pcbInfo : 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 CryptExportPublicKeyInfoEx(HCRYPTPROV_OR_NCRYPT_KEY_HANDLE hCryptProvOrNCryptKey, DWORD dwKeySpec, CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPSTR pszPublicKeyObjId, DWORD dwFlags, void* pvAuxInfo, CERT_PUBLIC_KEY_INFO* pInfo, DWORD* pcbInfo) #uselib "CRYPT32.dll" #cfunc global CryptExportPublicKeyInfoEx "CryptExportPublicKeyInfoEx" intptr, int, int, str, int, intptr, intptr, intptr ; res = CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, varptr(pInfo), varptr(pcbInfo)) ; hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE -> "intptr" ; dwKeySpec : DWORD optional -> "int" ; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int" ; pszPublicKeyObjId : LPSTR optional -> "str" ; dwFlags : DWORD -> "int" ; pvAuxInfo : void* optional -> "intptr" ; pInfo : CERT_PUBLIC_KEY_INFO* optional, out -> "intptr" ; pcbInfo : 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")
procCryptExportPublicKeyInfoEx = crypt32.NewProc("CryptExportPublicKeyInfoEx")
)
// hCryptProvOrNCryptKey (HCRYPTPROV_OR_NCRYPT_KEY_HANDLE), dwKeySpec (DWORD optional), dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), pszPublicKeyObjId (LPSTR optional), dwFlags (DWORD), pvAuxInfo (void* optional), pInfo (CERT_PUBLIC_KEY_INFO* optional, out), pcbInfo (DWORD* in/out)
r1, _, err := procCryptExportPublicKeyInfoEx.Call(
uintptr(hCryptProvOrNCryptKey),
uintptr(dwKeySpec),
uintptr(dwCertEncodingType),
uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPublicKeyObjId))),
uintptr(dwFlags),
uintptr(pvAuxInfo),
uintptr(pInfo),
uintptr(pcbInfo),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction CryptExportPublicKeyInfoEx(
hCryptProvOrNCryptKey: NativeUInt; // HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
dwKeySpec: DWORD; // DWORD optional
dwCertEncodingType: DWORD; // CERT_QUERY_ENCODING_TYPE
pszPublicKeyObjId: PAnsiChar; // LPSTR optional
dwFlags: DWORD; // DWORD
pvAuxInfo: Pointer; // void* optional
pInfo: Pointer; // CERT_PUBLIC_KEY_INFO* optional, out
pcbInfo: Pointer // DWORD* in/out
): BOOL; stdcall;
external 'CRYPT32.dll' name 'CryptExportPublicKeyInfoEx';result := DllCall("CRYPT32\CryptExportPublicKeyInfoEx"
, "UPtr", hCryptProvOrNCryptKey ; HCRYPTPROV_OR_NCRYPT_KEY_HANDLE
, "UInt", dwKeySpec ; DWORD optional
, "UInt", dwCertEncodingType ; CERT_QUERY_ENCODING_TYPE
, "AStr", pszPublicKeyObjId ; LPSTR optional
, "UInt", dwFlags ; DWORD
, "Ptr", pvAuxInfo ; void* optional
, "Ptr", pInfo ; CERT_PUBLIC_KEY_INFO* optional, out
, "Ptr", pcbInfo ; DWORD* in/out
, "Int") ; return: BOOL●CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, pInfo, pcbInfo) = DLL("CRYPT32.dll", "bool CryptExportPublicKeyInfoEx(int, dword, dword, char*, dword, void*, void*, void*)")
# 呼び出し: CryptExportPublicKeyInfoEx(hCryptProvOrNCryptKey, dwKeySpec, dwCertEncodingType, pszPublicKeyObjId, dwFlags, pvAuxInfo, pInfo, pcbInfo)
# hCryptProvOrNCryptKey : HCRYPTPROV_OR_NCRYPT_KEY_HANDLE -> "int"
# dwKeySpec : DWORD optional -> "dword"
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pszPublicKeyObjId : LPSTR optional -> "char*"
# dwFlags : DWORD -> "dword"
# pvAuxInfo : void* optional -> "void*"
# pInfo : CERT_PUBLIC_KEY_INFO* optional, out -> "void*"
# pcbInfo : 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)。