ホーム › Security.Cryptography › CryptMsgEncodeAndSignCTL

CryptMsgEncodeAndSignCTL

関数

CTL情報をエンコードして署名済みメッセージを生成する。

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 CryptMsgEncodeAndSignCTL(
    DWORD dwMsgEncodingType,
    CTL_INFO* pCtlInfo,
    CMSG_SIGNED_ENCODE_INFO* pSignInfo,
    DWORD dwFlags,
    BYTE* pbEncoded,   // optional
    DWORD* pcbEncoded
);

パラメーター

名前	型	方向
dwMsgEncodingType	DWORD	in
pCtlInfo	CTL_INFO*	in
pSignInfo	CMSG_SIGNED_ENCODE_INFO*	in
dwFlags	DWORD	in
pbEncoded	BYTE*	outoptional
pcbEncoded	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 CryptMsgEncodeAndSignCTL(
    DWORD dwMsgEncodingType,
    CTL_INFO* pCtlInfo,
    CMSG_SIGNED_ENCODE_INFO* pSignInfo,
    DWORD dwFlags,
    BYTE* pbEncoded,   // optional
    DWORD* pcbEncoded
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptMsgEncodeAndSignCTL(
    uint dwMsgEncodingType,   // DWORD
    IntPtr pCtlInfo,   // CTL_INFO*
    IntPtr pSignInfo,   // CMSG_SIGNED_ENCODE_INFO*
    uint dwFlags,   // DWORD
    IntPtr pbEncoded,   // BYTE* optional, out
    ref uint pcbEncoded   // DWORD* in/out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptMsgEncodeAndSignCTL(
    dwMsgEncodingType As UInteger,   ' DWORD
    pCtlInfo As IntPtr,   ' CTL_INFO*
    pSignInfo As IntPtr,   ' CMSG_SIGNED_ENCODE_INFO*
    dwFlags As UInteger,   ' DWORD
    pbEncoded As IntPtr,   ' BYTE* optional, out
    ByRef pcbEncoded As UInteger   ' DWORD* in/out
) As Boolean
End Function

' dwMsgEncodingType : DWORD
' pCtlInfo : CTL_INFO*
' pSignInfo : CMSG_SIGNED_ENCODE_INFO*
' dwFlags : DWORD
' pbEncoded : BYTE* optional, out
' pcbEncoded : DWORD* in/out
Declare PtrSafe Function CryptMsgEncodeAndSignCTL Lib "crypt32" ( _
    ByVal dwMsgEncodingType As Long, _
    ByVal pCtlInfo As LongPtr, _
    ByVal pSignInfo As LongPtr, _
    ByVal dwFlags As Long, _
    ByVal pbEncoded As LongPtr, _
    ByRef pcbEncoded 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

CryptMsgEncodeAndSignCTL = ctypes.windll.crypt32.CryptMsgEncodeAndSignCTL
CryptMsgEncodeAndSignCTL.restype = wintypes.BOOL
CryptMsgEncodeAndSignCTL.argtypes = [
    wintypes.DWORD,  # dwMsgEncodingType : DWORD
    ctypes.c_void_p,  # pCtlInfo : CTL_INFO*
    ctypes.c_void_p,  # pSignInfo : CMSG_SIGNED_ENCODE_INFO*
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbEncoded : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbEncoded : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptMsgEncodeAndSignCTL = Fiddle::Function.new(
  lib['CryptMsgEncodeAndSignCTL'],
  [
    -Fiddle::TYPE_INT,  # dwMsgEncodingType : DWORD
    Fiddle::TYPE_VOIDP,  # pCtlInfo : CTL_INFO*
    Fiddle::TYPE_VOIDP,  # pSignInfo : CMSG_SIGNED_ENCODE_INFO*
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pbEncoded : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbEncoded : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptMsgEncodeAndSignCTL(
        dwMsgEncodingType: u32,  // DWORD
        pCtlInfo: *mut CTL_INFO,  // CTL_INFO*
        pSignInfo: *mut CMSG_SIGNED_ENCODE_INFO,  // CMSG_SIGNED_ENCODE_INFO*
        dwFlags: u32,  // DWORD
        pbEncoded: *mut u8,  // BYTE* optional, out
        pcbEncoded: *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 CryptMsgEncodeAndSignCTL(uint dwMsgEncodingType, IntPtr pCtlInfo, IntPtr pSignInfo, uint dwFlags, IntPtr pbEncoded, ref uint pcbEncoded);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptMsgEncodeAndSignCTL' -Namespace Win32 -PassThru
# $api::CryptMsgEncodeAndSignCTL(dwMsgEncodingType, pCtlInfo, pSignInfo, dwFlags, pbEncoded, pcbEncoded)

#uselib "CRYPT32.dll"
#func global CryptMsgEncodeAndSignCTL "CryptMsgEncodeAndSignCTL" sptr, sptr, sptr, sptr, sptr, sptr
; CryptMsgEncodeAndSignCTL dwMsgEncodingType, varptr(pCtlInfo), varptr(pSignInfo), dwFlags, varptr(pbEncoded), varptr(pcbEncoded)   ; 戻り値は stat
; dwMsgEncodingType : DWORD -> "sptr"
; pCtlInfo : CTL_INFO* -> "sptr"
; pSignInfo : CMSG_SIGNED_ENCODE_INFO* -> "sptr"
; dwFlags : DWORD -> "sptr"
; pbEncoded : BYTE* optional, out -> "sptr"
; pcbEncoded : 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 CryptMsgEncodeAndSignCTL "CryptMsgEncodeAndSignCTL" int, var, var, int, var, var
; res = CryptMsgEncodeAndSignCTL(dwMsgEncodingType, pCtlInfo, pSignInfo, dwFlags, pbEncoded, pcbEncoded)
; dwMsgEncodingType : DWORD -> "int"
; pCtlInfo : CTL_INFO* -> "var"
; pSignInfo : CMSG_SIGNED_ENCODE_INFO* -> "var"
; dwFlags : DWORD -> "int"
; pbEncoded : BYTE* optional, out -> "var"
; pcbEncoded : 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 CryptMsgEncodeAndSignCTL "CryptMsgEncodeAndSignCTL" int, sptr, sptr, int, sptr, sptr
; res = CryptMsgEncodeAndSignCTL(dwMsgEncodingType, varptr(pCtlInfo), varptr(pSignInfo), dwFlags, varptr(pbEncoded), varptr(pcbEncoded))
; dwMsgEncodingType : DWORD -> "int"
; pCtlInfo : CTL_INFO* -> "sptr"
; pSignInfo : CMSG_SIGNED_ENCODE_INFO* -> "sptr"
; dwFlags : DWORD -> "int"
; pbEncoded : BYTE* optional, out -> "sptr"
; pcbEncoded : 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 CryptMsgEncodeAndSignCTL(DWORD dwMsgEncodingType, CTL_INFO* pCtlInfo, CMSG_SIGNED_ENCODE_INFO* pSignInfo, DWORD dwFlags, BYTE* pbEncoded, DWORD* pcbEncoded)
#uselib "CRYPT32.dll"
#cfunc global CryptMsgEncodeAndSignCTL "CryptMsgEncodeAndSignCTL" int, var, var, int, var, var
; res = CryptMsgEncodeAndSignCTL(dwMsgEncodingType, pCtlInfo, pSignInfo, dwFlags, pbEncoded, pcbEncoded)
; dwMsgEncodingType : DWORD -> "int"
; pCtlInfo : CTL_INFO* -> "var"
; pSignInfo : CMSG_SIGNED_ENCODE_INFO* -> "var"
; dwFlags : DWORD -> "int"
; pbEncoded : BYTE* optional, out -> "var"
; pcbEncoded : 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 CryptMsgEncodeAndSignCTL(DWORD dwMsgEncodingType, CTL_INFO* pCtlInfo, CMSG_SIGNED_ENCODE_INFO* pSignInfo, DWORD dwFlags, BYTE* pbEncoded, DWORD* pcbEncoded)
#uselib "CRYPT32.dll"
#cfunc global CryptMsgEncodeAndSignCTL "CryptMsgEncodeAndSignCTL" int, intptr, intptr, int, intptr, intptr
; res = CryptMsgEncodeAndSignCTL(dwMsgEncodingType, varptr(pCtlInfo), varptr(pSignInfo), dwFlags, varptr(pbEncoded), varptr(pcbEncoded))
; dwMsgEncodingType : DWORD -> "int"
; pCtlInfo : CTL_INFO* -> "intptr"
; pSignInfo : CMSG_SIGNED_ENCODE_INFO* -> "intptr"
; dwFlags : DWORD -> "int"
; pbEncoded : BYTE* optional, out -> "intptr"
; pcbEncoded : 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")
	procCryptMsgEncodeAndSignCTL = crypt32.NewProc("CryptMsgEncodeAndSignCTL")
)

// dwMsgEncodingType (DWORD), pCtlInfo (CTL_INFO*), pSignInfo (CMSG_SIGNED_ENCODE_INFO*), dwFlags (DWORD), pbEncoded (BYTE* optional, out), pcbEncoded (DWORD* in/out)
r1, _, err := procCryptMsgEncodeAndSignCTL.Call(
	uintptr(dwMsgEncodingType),
	uintptr(pCtlInfo),
	uintptr(pSignInfo),
	uintptr(dwFlags),
	uintptr(pbEncoded),
	uintptr(pcbEncoded),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptMsgEncodeAndSignCTL(
  dwMsgEncodingType: DWORD;   // DWORD
  pCtlInfo: Pointer;   // CTL_INFO*
  pSignInfo: Pointer;   // CMSG_SIGNED_ENCODE_INFO*
  dwFlags: DWORD;   // DWORD
  pbEncoded: Pointer;   // BYTE* optional, out
  pcbEncoded: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptMsgEncodeAndSignCTL';

result := DllCall("CRYPT32\CryptMsgEncodeAndSignCTL"
    , "UInt", dwMsgEncodingType   ; DWORD
    , "Ptr", pCtlInfo   ; CTL_INFO*
    , "Ptr", pSignInfo   ; CMSG_SIGNED_ENCODE_INFO*
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pbEncoded   ; BYTE* optional, out
    , "Ptr", pcbEncoded   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CryptMsgEncodeAndSignCTL(dwMsgEncodingType, pCtlInfo, pSignInfo, dwFlags, pbEncoded, pcbEncoded) = DLL("CRYPT32.dll", "bool CryptMsgEncodeAndSignCTL(dword, void*, void*, dword, void*, void*)")
# 呼び出し: CryptMsgEncodeAndSignCTL(dwMsgEncodingType, pCtlInfo, pSignInfo, dwFlags, pbEncoded, pcbEncoded)
# dwMsgEncodingType : DWORD -> "dword"
# pCtlInfo : CTL_INFO* -> "void*"
# pSignInfo : CMSG_SIGNED_ENCODE_INFO* -> "void*"
# dwFlags : DWORD -> "dword"
# pbEncoded : BYTE* optional, out -> "void*"
# pcbEncoded : 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)。