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CryptImportKey
関数キーBLOBから暗号鍵をプロバイダーへインポートする。
シグネチャ
// ADVAPI32.dll
#include <windows.h>
BOOL CryptImportKey(
UINT_PTR hProv,
const BYTE* pbData,
DWORD dwDataLen,
UINT_PTR hPubKey,
CRYPT_KEY_FLAGS dwFlags,
UINT_PTR* phKey
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hProv | UINT_PTR | in |
| pbData | BYTE* | in |
| dwDataLen | DWORD | in |
| hPubKey | UINT_PTR | in |
| dwFlags | CRYPT_KEY_FLAGS | in |
| phKey | UINT_PTR* | out |
戻り値の型: BOOL
各言語での呼び出し定義
// ADVAPI32.dll
#include <windows.h>
BOOL CryptImportKey(
UINT_PTR hProv,
const BYTE* pbData,
DWORD dwDataLen,
UINT_PTR hPubKey,
CRYPT_KEY_FLAGS dwFlags,
UINT_PTR* phKey
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptImportKey(
UIntPtr hProv, // UINT_PTR
IntPtr pbData, // BYTE*
uint dwDataLen, // DWORD
UIntPtr hPubKey, // UINT_PTR
uint dwFlags, // CRYPT_KEY_FLAGS
out UIntPtr phKey // UINT_PTR* out
);<DllImport("ADVAPI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptImportKey(
hProv As UIntPtr, ' UINT_PTR
pbData As IntPtr, ' BYTE*
dwDataLen As UInteger, ' DWORD
hPubKey As UIntPtr, ' UINT_PTR
dwFlags As UInteger, ' CRYPT_KEY_FLAGS
<Out> ByRef phKey As UIntPtr ' UINT_PTR* out
) As Boolean
End Function' hProv : UINT_PTR
' pbData : BYTE*
' dwDataLen : DWORD
' hPubKey : UINT_PTR
' dwFlags : CRYPT_KEY_FLAGS
' phKey : UINT_PTR* out
Declare PtrSafe Function CryptImportKey Lib "advapi32" ( _
ByVal hProv As LongPtr, _
ByVal pbData As LongPtr, _
ByVal dwDataLen As Long, _
ByVal hPubKey As LongPtr, _
ByVal dwFlags As Long, _
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
CryptImportKey = ctypes.windll.advapi32.CryptImportKey
CryptImportKey.restype = wintypes.BOOL
CryptImportKey.argtypes = [
ctypes.c_size_t, # hProv : UINT_PTR
ctypes.POINTER(ctypes.c_ubyte), # pbData : BYTE*
wintypes.DWORD, # dwDataLen : DWORD
ctypes.c_size_t, # hPubKey : UINT_PTR
wintypes.DWORD, # dwFlags : CRYPT_KEY_FLAGS
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('ADVAPI32.dll')
CryptImportKey = Fiddle::Function.new(
lib['CryptImportKey'],
[
Fiddle::TYPE_UINTPTR_T, # hProv : UINT_PTR
Fiddle::TYPE_VOIDP, # pbData : BYTE*
-Fiddle::TYPE_INT, # dwDataLen : DWORD
Fiddle::TYPE_UINTPTR_T, # hPubKey : UINT_PTR
-Fiddle::TYPE_INT, # dwFlags : CRYPT_KEY_FLAGS
Fiddle::TYPE_VOIDP, # phKey : UINT_PTR* out
],
Fiddle::TYPE_INT)#[link(name = "advapi32")]
extern "system" {
fn CryptImportKey(
hProv: usize, // UINT_PTR
pbData: *const u8, // BYTE*
dwDataLen: u32, // DWORD
hPubKey: usize, // UINT_PTR
dwFlags: u32, // CRYPT_KEY_FLAGS
phKey: *mut usize // UINT_PTR* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", SetLastError = true)]
public static extern bool CryptImportKey(UIntPtr hProv, IntPtr pbData, uint dwDataLen, UIntPtr hPubKey, uint dwFlags, out UIntPtr phKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_CryptImportKey' -Namespace Win32 -PassThru
# $api::CryptImportKey(hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey)#uselib "ADVAPI32.dll"
#func global CryptImportKey "CryptImportKey" sptr, sptr, sptr, sptr, sptr, sptr
; CryptImportKey hProv, varptr(pbData), dwDataLen, hPubKey, dwFlags, varptr(phKey) ; 戻り値は stat
; hProv : UINT_PTR -> "sptr"
; pbData : BYTE* -> "sptr"
; dwDataLen : DWORD -> "sptr"
; hPubKey : UINT_PTR -> "sptr"
; dwFlags : CRYPT_KEY_FLAGS -> "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 "ADVAPI32.dll" #cfunc global CryptImportKey "CryptImportKey" sptr, var, int, sptr, int, var ; res = CryptImportKey(hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey) ; hProv : UINT_PTR -> "sptr" ; pbData : BYTE* -> "var" ; dwDataLen : DWORD -> "int" ; hPubKey : UINT_PTR -> "sptr" ; dwFlags : CRYPT_KEY_FLAGS -> "int" ; 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 "ADVAPI32.dll" #cfunc global CryptImportKey "CryptImportKey" sptr, sptr, int, sptr, int, sptr ; res = CryptImportKey(hProv, varptr(pbData), dwDataLen, hPubKey, dwFlags, varptr(phKey)) ; hProv : UINT_PTR -> "sptr" ; pbData : BYTE* -> "sptr" ; dwDataLen : DWORD -> "int" ; hPubKey : UINT_PTR -> "sptr" ; dwFlags : CRYPT_KEY_FLAGS -> "int" ; 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 CryptImportKey(UINT_PTR hProv, BYTE* pbData, DWORD dwDataLen, UINT_PTR hPubKey, CRYPT_KEY_FLAGS dwFlags, UINT_PTR* phKey) #uselib "ADVAPI32.dll" #cfunc global CryptImportKey "CryptImportKey" intptr, var, int, intptr, int, var ; res = CryptImportKey(hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey) ; hProv : UINT_PTR -> "intptr" ; pbData : BYTE* -> "var" ; dwDataLen : DWORD -> "int" ; hPubKey : UINT_PTR -> "intptr" ; dwFlags : CRYPT_KEY_FLAGS -> "int" ; 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 CryptImportKey(UINT_PTR hProv, BYTE* pbData, DWORD dwDataLen, UINT_PTR hPubKey, CRYPT_KEY_FLAGS dwFlags, UINT_PTR* phKey) #uselib "ADVAPI32.dll" #cfunc global CryptImportKey "CryptImportKey" intptr, intptr, int, intptr, int, intptr ; res = CryptImportKey(hProv, varptr(pbData), dwDataLen, hPubKey, dwFlags, varptr(phKey)) ; hProv : UINT_PTR -> "intptr" ; pbData : BYTE* -> "intptr" ; dwDataLen : DWORD -> "int" ; hPubKey : UINT_PTR -> "intptr" ; dwFlags : CRYPT_KEY_FLAGS -> "int" ; 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 (
advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
procCryptImportKey = advapi32.NewProc("CryptImportKey")
)
// hProv (UINT_PTR), pbData (BYTE*), dwDataLen (DWORD), hPubKey (UINT_PTR), dwFlags (CRYPT_KEY_FLAGS), phKey (UINT_PTR* out)
r1, _, err := procCryptImportKey.Call(
uintptr(hProv),
uintptr(pbData),
uintptr(dwDataLen),
uintptr(hPubKey),
uintptr(dwFlags),
uintptr(phKey),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction CryptImportKey(
hProv: NativeUInt; // UINT_PTR
pbData: Pointer; // BYTE*
dwDataLen: DWORD; // DWORD
hPubKey: NativeUInt; // UINT_PTR
dwFlags: DWORD; // CRYPT_KEY_FLAGS
phKey: Pointer // UINT_PTR* out
): BOOL; stdcall;
external 'ADVAPI32.dll' name 'CryptImportKey';result := DllCall("ADVAPI32\CryptImportKey"
, "UPtr", hProv ; UINT_PTR
, "Ptr", pbData ; BYTE*
, "UInt", dwDataLen ; DWORD
, "UPtr", hPubKey ; UINT_PTR
, "UInt", dwFlags ; CRYPT_KEY_FLAGS
, "Ptr", phKey ; UINT_PTR* out
, "Int") ; return: BOOL●CryptImportKey(hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey) = DLL("ADVAPI32.dll", "bool CryptImportKey(int, void*, dword, int, dword, void*)")
# 呼び出し: CryptImportKey(hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey)
# hProv : UINT_PTR -> "int"
# pbData : BYTE* -> "void*"
# dwDataLen : DWORD -> "dword"
# hPubKey : UINT_PTR -> "int"
# dwFlags : CRYPT_KEY_FLAGS -> "dword"
# 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)。