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CryptCATAdminCalcHashFromFileHandle2

関数
管理コンテキストを使いファイルハンドルからハッシュ値を計算する。
DLLWINTRUST.dll呼出規約winapiSetLastErrorあり対応OSwindows8.0

シグネチャ

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

BOOL CryptCATAdminCalcHashFromFileHandle2(
    INT_PTR hCatAdmin,
    HANDLE hFile,
    DWORD* pcbHash,
    BYTE* pbHash,   // optional
    DWORD dwFlags   // optional
);

パラメーター

名前方向
hCatAdminINT_PTRin
hFileHANDLEin
pcbHashDWORD*inout
pbHashBYTE*outoptional
dwFlagsDWORDoptional

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CryptCATAdminCalcHashFromFileHandle2(
    INT_PTR hCatAdmin,
    HANDLE hFile,
    DWORD* pcbHash,
    BYTE* pbHash,   // optional
    DWORD dwFlags   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINTRUST.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptCATAdminCalcHashFromFileHandle2(
    IntPtr hCatAdmin,   // INT_PTR
    IntPtr hFile,   // HANDLE
    ref uint pcbHash,   // DWORD* in/out
    IntPtr pbHash,   // BYTE* optional, out
    uint dwFlags   // DWORD optional
);
<DllImport("WINTRUST.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptCATAdminCalcHashFromFileHandle2(
    hCatAdmin As IntPtr,   ' INT_PTR
    hFile As IntPtr,   ' HANDLE
    ByRef pcbHash As UInteger,   ' DWORD* in/out
    pbHash As IntPtr,   ' BYTE* optional, out
    dwFlags As UInteger   ' DWORD optional
) As Boolean
End Function
' hCatAdmin : INT_PTR
' hFile : HANDLE
' pcbHash : DWORD* in/out
' pbHash : BYTE* optional, out
' dwFlags : DWORD optional
Declare PtrSafe Function CryptCATAdminCalcHashFromFileHandle2 Lib "wintrust" ( _
    ByVal hCatAdmin As LongPtr, _
    ByVal hFile As LongPtr, _
    ByRef pcbHash As Long, _
    ByVal pbHash As LongPtr, _
    ByVal dwFlags 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

CryptCATAdminCalcHashFromFileHandle2 = ctypes.windll.wintrust.CryptCATAdminCalcHashFromFileHandle2
CryptCATAdminCalcHashFromFileHandle2.restype = wintypes.BOOL
CryptCATAdminCalcHashFromFileHandle2.argtypes = [
    ctypes.c_ssize_t,  # hCatAdmin : INT_PTR
    wintypes.HANDLE,  # hFile : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # pcbHash : DWORD* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # pbHash : BYTE* optional, out
    wintypes.DWORD,  # dwFlags : DWORD optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINTRUST.dll')
CryptCATAdminCalcHashFromFileHandle2 = Fiddle::Function.new(
  lib['CryptCATAdminCalcHashFromFileHandle2'],
  [
    Fiddle::TYPE_INTPTR_T,  # hCatAdmin : INT_PTR
    Fiddle::TYPE_VOIDP,  # hFile : HANDLE
    Fiddle::TYPE_VOIDP,  # pcbHash : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # pbHash : BYTE* optional, out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD optional
  ],
  Fiddle::TYPE_INT)
#[link(name = "wintrust")]
extern "system" {
    fn CryptCATAdminCalcHashFromFileHandle2(
        hCatAdmin: isize,  // INT_PTR
        hFile: *mut core::ffi::c_void,  // HANDLE
        pcbHash: *mut u32,  // DWORD* in/out
        pbHash: *mut u8,  // BYTE* optional, out
        dwFlags: u32  // DWORD optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINTRUST.dll", SetLastError = true)]
public static extern bool CryptCATAdminCalcHashFromFileHandle2(IntPtr hCatAdmin, IntPtr hFile, ref uint pcbHash, IntPtr pbHash, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINTRUST_CryptCATAdminCalcHashFromFileHandle2' -Namespace Win32 -PassThru
# $api::CryptCATAdminCalcHashFromFileHandle2(hCatAdmin, hFile, pcbHash, pbHash, dwFlags)
#uselib "WINTRUST.dll"
#func global CryptCATAdminCalcHashFromFileHandle2 "CryptCATAdminCalcHashFromFileHandle2" sptr, sptr, sptr, sptr, sptr
; CryptCATAdminCalcHashFromFileHandle2 hCatAdmin, hFile, varptr(pcbHash), varptr(pbHash), dwFlags   ; 戻り値は stat
; hCatAdmin : INT_PTR -> "sptr"
; hFile : HANDLE -> "sptr"
; pcbHash : DWORD* in/out -> "sptr"
; pbHash : BYTE* optional, out -> "sptr"
; dwFlags : DWORD optional -> "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 "WINTRUST.dll"
#cfunc global CryptCATAdminCalcHashFromFileHandle2 "CryptCATAdminCalcHashFromFileHandle2" sptr, sptr, var, var, int
; res = CryptCATAdminCalcHashFromFileHandle2(hCatAdmin, hFile, pcbHash, pbHash, dwFlags)
; hCatAdmin : INT_PTR -> "sptr"
; hFile : HANDLE -> "sptr"
; pcbHash : DWORD* in/out -> "var"
; pbHash : BYTE* optional, out -> "var"
; dwFlags : DWORD optional -> "int"
; ※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。
出力引数:
; BOOL CryptCATAdminCalcHashFromFileHandle2(INT_PTR hCatAdmin, HANDLE hFile, DWORD* pcbHash, BYTE* pbHash, DWORD dwFlags)
#uselib "WINTRUST.dll"
#cfunc global CryptCATAdminCalcHashFromFileHandle2 "CryptCATAdminCalcHashFromFileHandle2" intptr, intptr, var, var, int
; res = CryptCATAdminCalcHashFromFileHandle2(hCatAdmin, hFile, pcbHash, pbHash, dwFlags)
; hCatAdmin : INT_PTR -> "intptr"
; hFile : HANDLE -> "intptr"
; pcbHash : DWORD* in/out -> "var"
; pbHash : BYTE* optional, out -> "var"
; dwFlags : DWORD optional -> "int"
; ※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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wintrust = windows.NewLazySystemDLL("WINTRUST.dll")
	procCryptCATAdminCalcHashFromFileHandle2 = wintrust.NewProc("CryptCATAdminCalcHashFromFileHandle2")
)

// hCatAdmin (INT_PTR), hFile (HANDLE), pcbHash (DWORD* in/out), pbHash (BYTE* optional, out), dwFlags (DWORD optional)
r1, _, err := procCryptCATAdminCalcHashFromFileHandle2.Call(
	uintptr(hCatAdmin),
	uintptr(hFile),
	uintptr(pcbHash),
	uintptr(pbHash),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function CryptCATAdminCalcHashFromFileHandle2(
  hCatAdmin: NativeInt;   // INT_PTR
  hFile: THandle;   // HANDLE
  pcbHash: Pointer;   // DWORD* in/out
  pbHash: Pointer;   // BYTE* optional, out
  dwFlags: DWORD   // DWORD optional
): BOOL; stdcall;
  external 'WINTRUST.dll' name 'CryptCATAdminCalcHashFromFileHandle2';
result := DllCall("WINTRUST\CryptCATAdminCalcHashFromFileHandle2"
    , "Ptr", hCatAdmin   ; INT_PTR
    , "Ptr", hFile   ; HANDLE
    , "Ptr", pcbHash   ; DWORD* in/out
    , "Ptr", pbHash   ; BYTE* optional, out
    , "UInt", dwFlags   ; DWORD optional
    , "Int")   ; return: BOOL
●CryptCATAdminCalcHashFromFileHandle2(hCatAdmin, hFile, pcbHash, pbHash, dwFlags) = DLL("WINTRUST.dll", "bool CryptCATAdminCalcHashFromFileHandle2(int, void*, void*, void*, dword)")
# 呼び出し: CryptCATAdminCalcHashFromFileHandle2(hCatAdmin, hFile, pcbHash, pbHash, dwFlags)
# hCatAdmin : INT_PTR -> "int"
# hFile : HANDLE -> "void*"
# pcbHash : DWORD* in/out -> "void*"
# pbHash : BYTE* optional, out -> "void*"
# dwFlags : DWORD optional -> "dword"
# 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)。