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CryptInstallDefaultContext

関数

暗号操作で使用する既定コンテキストをインストールする。

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 CryptInstallDefaultContext(
    UINT_PTR hCryptProv,
    CRYPT_DEFAULT_CONTEXT_TYPE dwDefaultType,
    const void* pvDefaultPara,   // optional
    CRYPT_DEFAULT_CONTEXT_FLAGS dwFlags,
    void* pvReserved,   // optional
    void** phDefaultContext
);

パラメーター

名前	型	方向
hCryptProv	UINT_PTR	in
dwDefaultType	CRYPT_DEFAULT_CONTEXT_TYPE	in
pvDefaultPara	void*	inoptional
dwFlags	CRYPT_DEFAULT_CONTEXT_FLAGS	in
pvReserved	void*	optional
phDefaultContext	void**	out

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CryptInstallDefaultContext(
    UINT_PTR hCryptProv,
    CRYPT_DEFAULT_CONTEXT_TYPE dwDefaultType,
    const void* pvDefaultPara,   // optional
    CRYPT_DEFAULT_CONTEXT_FLAGS dwFlags,
    void* pvReserved,   // optional
    void** phDefaultContext
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptInstallDefaultContext(
    UIntPtr hCryptProv,   // UINT_PTR
    uint dwDefaultType,   // CRYPT_DEFAULT_CONTEXT_TYPE
    IntPtr pvDefaultPara,   // void* optional
    uint dwFlags,   // CRYPT_DEFAULT_CONTEXT_FLAGS
    IntPtr pvReserved,   // void* optional
    IntPtr phDefaultContext   // void** out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptInstallDefaultContext(
    hCryptProv As UIntPtr,   ' UINT_PTR
    dwDefaultType As UInteger,   ' CRYPT_DEFAULT_CONTEXT_TYPE
    pvDefaultPara As IntPtr,   ' void* optional
    dwFlags As UInteger,   ' CRYPT_DEFAULT_CONTEXT_FLAGS
    pvReserved As IntPtr,   ' void* optional
    phDefaultContext As IntPtr   ' void** out
) As Boolean
End Function

' hCryptProv : UINT_PTR
' dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE
' pvDefaultPara : void* optional
' dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS
' pvReserved : void* optional
' phDefaultContext : void** out
Declare PtrSafe Function CryptInstallDefaultContext Lib "crypt32" ( _
    ByVal hCryptProv As LongPtr, _
    ByVal dwDefaultType As Long, _
    ByVal pvDefaultPara As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal pvReserved As LongPtr, _
    ByVal phDefaultContext 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

CryptInstallDefaultContext = ctypes.windll.crypt32.CryptInstallDefaultContext
CryptInstallDefaultContext.restype = wintypes.BOOL
CryptInstallDefaultContext.argtypes = [
    ctypes.c_size_t,  # hCryptProv : UINT_PTR
    wintypes.DWORD,  # dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE
    ctypes.POINTER(None),  # pvDefaultPara : void* optional
    wintypes.DWORD,  # dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS
    ctypes.POINTER(None),  # pvReserved : void* optional
    ctypes.c_void_p,  # phDefaultContext : void** out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptInstallDefaultContext = Fiddle::Function.new(
  lib['CryptInstallDefaultContext'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hCryptProv : UINT_PTR
    -Fiddle::TYPE_INT,  # dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE
    Fiddle::TYPE_VOIDP,  # pvDefaultPara : void* optional
    -Fiddle::TYPE_INT,  # dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS
    Fiddle::TYPE_VOIDP,  # pvReserved : void* optional
    Fiddle::TYPE_VOIDP,  # phDefaultContext : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptInstallDefaultContext(
        hCryptProv: usize,  // UINT_PTR
        dwDefaultType: u32,  // CRYPT_DEFAULT_CONTEXT_TYPE
        pvDefaultPara: *const (),  // void* optional
        dwFlags: u32,  // CRYPT_DEFAULT_CONTEXT_FLAGS
        pvReserved: *mut (),  // void* optional
        phDefaultContext: *mut *mut ()  // void** 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 CryptInstallDefaultContext(UIntPtr hCryptProv, uint dwDefaultType, IntPtr pvDefaultPara, uint dwFlags, IntPtr pvReserved, IntPtr phDefaultContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptInstallDefaultContext' -Namespace Win32 -PassThru
# $api::CryptInstallDefaultContext(hCryptProv, dwDefaultType, pvDefaultPara, dwFlags, pvReserved, phDefaultContext)

#uselib "CRYPT32.dll"
#func global CryptInstallDefaultContext "CryptInstallDefaultContext" sptr, sptr, sptr, sptr, sptr, sptr
; CryptInstallDefaultContext hCryptProv, dwDefaultType, pvDefaultPara, dwFlags, pvReserved, phDefaultContext   ; 戻り値は stat
; hCryptProv : UINT_PTR -> "sptr"
; dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE -> "sptr"
; pvDefaultPara : void* optional -> "sptr"
; dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS -> "sptr"
; pvReserved : void* optional -> "sptr"
; phDefaultContext : void** 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。

#uselib "CRYPT32.dll"
#cfunc global CryptInstallDefaultContext "CryptInstallDefaultContext" sptr, int, sptr, int, sptr, sptr
; res = CryptInstallDefaultContext(hCryptProv, dwDefaultType, pvDefaultPara, dwFlags, pvReserved, phDefaultContext)
; hCryptProv : UINT_PTR -> "sptr"
; dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE -> "int"
; pvDefaultPara : void* optional -> "sptr"
; dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS -> "int"
; pvReserved : void* optional -> "sptr"
; phDefaultContext : void** out -> "sptr"

; BOOL CryptInstallDefaultContext(UINT_PTR hCryptProv, CRYPT_DEFAULT_CONTEXT_TYPE dwDefaultType, void* pvDefaultPara, CRYPT_DEFAULT_CONTEXT_FLAGS dwFlags, void* pvReserved, void** phDefaultContext)
#uselib "CRYPT32.dll"
#cfunc global CryptInstallDefaultContext "CryptInstallDefaultContext" intptr, int, intptr, int, intptr, intptr
; res = CryptInstallDefaultContext(hCryptProv, dwDefaultType, pvDefaultPara, dwFlags, pvReserved, phDefaultContext)
; hCryptProv : UINT_PTR -> "intptr"
; dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE -> "int"
; pvDefaultPara : void* optional -> "intptr"
; dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS -> "int"
; pvReserved : void* optional -> "intptr"
; phDefaultContext : void** out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptInstallDefaultContext = crypt32.NewProc("CryptInstallDefaultContext")
)

// hCryptProv (UINT_PTR), dwDefaultType (CRYPT_DEFAULT_CONTEXT_TYPE), pvDefaultPara (void* optional), dwFlags (CRYPT_DEFAULT_CONTEXT_FLAGS), pvReserved (void* optional), phDefaultContext (void** out)
r1, _, err := procCryptInstallDefaultContext.Call(
	uintptr(hCryptProv),
	uintptr(dwDefaultType),
	uintptr(pvDefaultPara),
	uintptr(dwFlags),
	uintptr(pvReserved),
	uintptr(phDefaultContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptInstallDefaultContext(
  hCryptProv: NativeUInt;   // UINT_PTR
  dwDefaultType: DWORD;   // CRYPT_DEFAULT_CONTEXT_TYPE
  pvDefaultPara: Pointer;   // void* optional
  dwFlags: DWORD;   // CRYPT_DEFAULT_CONTEXT_FLAGS
  pvReserved: Pointer;   // void* optional
  phDefaultContext: Pointer   // void** out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptInstallDefaultContext';

result := DllCall("CRYPT32\CryptInstallDefaultContext"
    , "UPtr", hCryptProv   ; UINT_PTR
    , "UInt", dwDefaultType   ; CRYPT_DEFAULT_CONTEXT_TYPE
    , "Ptr", pvDefaultPara   ; void* optional
    , "UInt", dwFlags   ; CRYPT_DEFAULT_CONTEXT_FLAGS
    , "Ptr", pvReserved   ; void* optional
    , "Ptr", phDefaultContext   ; void** out
    , "Int")   ; return: BOOL

●CryptInstallDefaultContext(hCryptProv, dwDefaultType, pvDefaultPara, dwFlags, pvReserved, phDefaultContext) = DLL("CRYPT32.dll", "bool CryptInstallDefaultContext(int, dword, void*, dword, void*, void*)")
# 呼び出し: CryptInstallDefaultContext(hCryptProv, dwDefaultType, pvDefaultPara, dwFlags, pvReserved, phDefaultContext)
# hCryptProv : UINT_PTR -> "int"
# dwDefaultType : CRYPT_DEFAULT_CONTEXT_TYPE -> "dword"
# pvDefaultPara : void* optional -> "void*"
# dwFlags : CRYPT_DEFAULT_CONTEXT_FLAGS -> "dword"
# pvReserved : void* optional -> "void*"
# phDefaultContext : void** 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)。