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CryptImportPublicKeyInfoEx

関数

鍵アルゴリズムを指定して公開鍵情報を拡張インポートする。

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 CryptImportPublicKeyInfoEx(
    UINT_PTR hCryptProv,
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    CERT_PUBLIC_KEY_INFO* pInfo,
    ALG_ID aiKeyAlg,
    DWORD dwFlags,
    void* pvAuxInfo,   // optional
    UINT_PTR* phKey
);

パラメーター

名前	型	方向
hCryptProv	UINT_PTR	in
dwCertEncodingType	CERT_QUERY_ENCODING_TYPE	in
pInfo	CERT_PUBLIC_KEY_INFO*	in
aiKeyAlg	ALG_ID	in
dwFlags	DWORD	in
pvAuxInfo	void*	inoptional
phKey	UINT_PTR*	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CryptImportPublicKeyInfoEx(
    UINT_PTR hCryptProv,
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    CERT_PUBLIC_KEY_INFO* pInfo,
    ALG_ID aiKeyAlg,
    DWORD dwFlags,
    void* pvAuxInfo,   // optional
    UINT_PTR* phKey
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptImportPublicKeyInfoEx(
    UIntPtr hCryptProv,   // UINT_PTR
    uint dwCertEncodingType,   // CERT_QUERY_ENCODING_TYPE
    IntPtr pInfo,   // CERT_PUBLIC_KEY_INFO*
    uint aiKeyAlg,   // ALG_ID
    uint dwFlags,   // DWORD
    IntPtr pvAuxInfo,   // void* optional
    out UIntPtr phKey   // UINT_PTR* out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptImportPublicKeyInfoEx(
    hCryptProv As UIntPtr,   ' UINT_PTR
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    pInfo As IntPtr,   ' CERT_PUBLIC_KEY_INFO*
    aiKeyAlg As UInteger,   ' ALG_ID
    dwFlags As UInteger,   ' DWORD
    pvAuxInfo As IntPtr,   ' void* optional
    <Out> ByRef phKey As UIntPtr   ' UINT_PTR* out
) As Boolean
End Function

' hCryptProv : UINT_PTR
' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pInfo : CERT_PUBLIC_KEY_INFO*
' aiKeyAlg : ALG_ID
' dwFlags : DWORD
' pvAuxInfo : void* optional
' phKey : UINT_PTR* out
Declare PtrSafe Function CryptImportPublicKeyInfoEx Lib "crypt32" ( _
    ByVal hCryptProv As LongPtr, _
    ByVal dwCertEncodingType As Long, _
    ByVal pInfo As LongPtr, _
    ByVal aiKeyAlg As Long, _
    ByVal dwFlags As Long, _
    ByVal pvAuxInfo As LongPtr, _
    ByRef phKey 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

CryptImportPublicKeyInfoEx = ctypes.windll.crypt32.CryptImportPublicKeyInfoEx
CryptImportPublicKeyInfoEx.restype = wintypes.BOOL
CryptImportPublicKeyInfoEx.argtypes = [
    ctypes.c_size_t,  # hCryptProv : UINT_PTR
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    ctypes.c_void_p,  # pInfo : CERT_PUBLIC_KEY_INFO*
    wintypes.DWORD,  # aiKeyAlg : ALG_ID
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(None),  # pvAuxInfo : void* optional
    ctypes.POINTER(ctypes.c_size_t),  # phKey : UINT_PTR* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptImportPublicKeyInfoEx = Fiddle::Function.new(
  lib['CryptImportPublicKeyInfoEx'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hCryptProv : UINT_PTR
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    Fiddle::TYPE_VOIDP,  # pInfo : CERT_PUBLIC_KEY_INFO*
    -Fiddle::TYPE_INT,  # aiKeyAlg : ALG_ID
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pvAuxInfo : void* optional
    Fiddle::TYPE_VOIDP,  # phKey : UINT_PTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptImportPublicKeyInfoEx(
        hCryptProv: usize,  // UINT_PTR
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        pInfo: *mut CERT_PUBLIC_KEY_INFO,  // CERT_PUBLIC_KEY_INFO*
        aiKeyAlg: u32,  // ALG_ID
        dwFlags: u32,  // DWORD
        pvAuxInfo: *mut (),  // void* optional
        phKey: *mut usize  // UINT_PTR* 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 CryptImportPublicKeyInfoEx(UIntPtr hCryptProv, uint dwCertEncodingType, IntPtr pInfo, uint aiKeyAlg, uint dwFlags, IntPtr pvAuxInfo, out UIntPtr phKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptImportPublicKeyInfoEx' -Namespace Win32 -PassThru
# $api::CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey)

#uselib "CRYPT32.dll"
#func global CryptImportPublicKeyInfoEx "CryptImportPublicKeyInfoEx" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CryptImportPublicKeyInfoEx hCryptProv, dwCertEncodingType, varptr(pInfo), aiKeyAlg, dwFlags, pvAuxInfo, varptr(phKey)   ; 戻り値は stat
; hCryptProv : UINT_PTR -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; pInfo : CERT_PUBLIC_KEY_INFO* -> "sptr"
; aiKeyAlg : ALG_ID -> "sptr"
; dwFlags : DWORD -> "sptr"
; pvAuxInfo : void* optional -> "sptr"
; phKey : UINT_PTR* 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 CryptImportPublicKeyInfoEx "CryptImportPublicKeyInfoEx" sptr, int, var, int, int, sptr, var
; res = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey)
; hCryptProv : UINT_PTR -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pInfo : CERT_PUBLIC_KEY_INFO* -> "var"
; aiKeyAlg : ALG_ID -> "int"
; dwFlags : DWORD -> "int"
; pvAuxInfo : void* optional -> "sptr"
; phKey : UINT_PTR* 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 CryptImportPublicKeyInfoEx "CryptImportPublicKeyInfoEx" sptr, int, sptr, int, int, sptr, sptr
; res = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, varptr(pInfo), aiKeyAlg, dwFlags, pvAuxInfo, varptr(phKey))
; hCryptProv : UINT_PTR -> "sptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pInfo : CERT_PUBLIC_KEY_INFO* -> "sptr"
; aiKeyAlg : ALG_ID -> "int"
; dwFlags : DWORD -> "int"
; pvAuxInfo : void* optional -> "sptr"
; phKey : UINT_PTR* 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 CryptImportPublicKeyInfoEx(UINT_PTR hCryptProv, CERT_QUERY_ENCODING_TYPE dwCertEncodingType, CERT_PUBLIC_KEY_INFO* pInfo, ALG_ID aiKeyAlg, DWORD dwFlags, void* pvAuxInfo, UINT_PTR* phKey)
#uselib "CRYPT32.dll"
#cfunc global CryptImportPublicKeyInfoEx "CryptImportPublicKeyInfoEx" intptr, int, var, int, int, intptr, var
; res = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey)
; hCryptProv : UINT_PTR -> "intptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pInfo : CERT_PUBLIC_KEY_INFO* -> "var"
; aiKeyAlg : ALG_ID -> "int"
; dwFlags : DWORD -> "int"
; pvAuxInfo : void* optional -> "intptr"
; phKey : UINT_PTR* 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 CryptImportPublicKeyInfoEx(UINT_PTR hCryptProv, CERT_QUERY_ENCODING_TYPE dwCertEncodingType, CERT_PUBLIC_KEY_INFO* pInfo, ALG_ID aiKeyAlg, DWORD dwFlags, void* pvAuxInfo, UINT_PTR* phKey)
#uselib "CRYPT32.dll"
#cfunc global CryptImportPublicKeyInfoEx "CryptImportPublicKeyInfoEx" intptr, int, intptr, int, int, intptr, intptr
; res = CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, varptr(pInfo), aiKeyAlg, dwFlags, pvAuxInfo, varptr(phKey))
; hCryptProv : UINT_PTR -> "intptr"
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pInfo : CERT_PUBLIC_KEY_INFO* -> "intptr"
; aiKeyAlg : ALG_ID -> "int"
; dwFlags : DWORD -> "int"
; pvAuxInfo : void* optional -> "intptr"
; phKey : UINT_PTR* 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")
	procCryptImportPublicKeyInfoEx = crypt32.NewProc("CryptImportPublicKeyInfoEx")
)

// hCryptProv (UINT_PTR), dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), pInfo (CERT_PUBLIC_KEY_INFO*), aiKeyAlg (ALG_ID), dwFlags (DWORD), pvAuxInfo (void* optional), phKey (UINT_PTR* out)
r1, _, err := procCryptImportPublicKeyInfoEx.Call(
	uintptr(hCryptProv),
	uintptr(dwCertEncodingType),
	uintptr(pInfo),
	uintptr(aiKeyAlg),
	uintptr(dwFlags),
	uintptr(pvAuxInfo),
	uintptr(phKey),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptImportPublicKeyInfoEx(
  hCryptProv: NativeUInt;   // UINT_PTR
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  pInfo: Pointer;   // CERT_PUBLIC_KEY_INFO*
  aiKeyAlg: DWORD;   // ALG_ID
  dwFlags: DWORD;   // DWORD
  pvAuxInfo: Pointer;   // void* optional
  phKey: Pointer   // UINT_PTR* out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptImportPublicKeyInfoEx';

result := DllCall("CRYPT32\CryptImportPublicKeyInfoEx"
    , "UPtr", hCryptProv   ; UINT_PTR
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "Ptr", pInfo   ; CERT_PUBLIC_KEY_INFO*
    , "UInt", aiKeyAlg   ; ALG_ID
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pvAuxInfo   ; void* optional
    , "Ptr", phKey   ; UINT_PTR* out
    , "Int")   ; return: BOOL

●CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey) = DLL("CRYPT32.dll", "bool CryptImportPublicKeyInfoEx(int, dword, void*, dword, dword, void*, void*)")
# 呼び出し: CryptImportPublicKeyInfoEx(hCryptProv, dwCertEncodingType, pInfo, aiKeyAlg, dwFlags, pvAuxInfo, phKey)
# hCryptProv : UINT_PTR -> "int"
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pInfo : CERT_PUBLIC_KEY_INFO* -> "void*"
# aiKeyAlg : ALG_ID -> "dword"
# dwFlags : DWORD -> "dword"
# pvAuxInfo : void* optional -> "void*"
# phKey : UINT_PTR* 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)。