SignHash

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

HRESULT SignHash(
    INFORMATIONCARD_CRYPTO_HANDLE* hCrypto,
    DWORD cbHash,
    BYTE* pHash,
    LPCWSTR hashAlgOid,
    DWORD* pcbSig,
    BYTE** ppSig
);

<DllImport("infocardapi.dll", ExactSpelling:=True)>
Public Shared Function SignHash(
    hCrypto As IntPtr,   ' INFORMATIONCARD_CRYPTO_HANDLE*
    cbHash As UInteger,   ' DWORD
    pHash As IntPtr,   ' BYTE*
    <MarshalAs(UnmanagedType.LPWStr)> hashAlgOid As String,   ' LPCWSTR
    <Out> ByRef pcbSig As UInteger,   ' DWORD* out
    ppSig As IntPtr   ' BYTE** out
) As Integer
End Function

' hCrypto : INFORMATIONCARD_CRYPTO_HANDLE*
' cbHash : DWORD
' pHash : BYTE*
' hashAlgOid : LPCWSTR
' pcbSig : DWORD* out
' ppSig : BYTE** out
Declare PtrSafe Function SignHash Lib "infocardapi" ( _
    ByVal hCrypto As LongPtr, _
    ByVal cbHash As Long, _
    ByVal pHash As LongPtr, _
    ByVal hashAlgOid As LongPtr, _
    ByRef pcbSig As Long, _
    ByVal ppSig 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

SignHash = ctypes.windll.infocardapi.SignHash
SignHash.restype = ctypes.c_int
SignHash.argtypes = [
    ctypes.c_void_p,  # hCrypto : INFORMATIONCARD_CRYPTO_HANDLE*
    wintypes.DWORD,  # cbHash : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pHash : BYTE*
    wintypes.LPCWSTR,  # hashAlgOid : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # pcbSig : DWORD* out
    ctypes.c_void_p,  # ppSig : BYTE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('infocardapi.dll')
SignHash = Fiddle::Function.new(
  lib['SignHash'],
  [
    Fiddle::TYPE_VOIDP,  # hCrypto : INFORMATIONCARD_CRYPTO_HANDLE*
    -Fiddle::TYPE_INT,  # cbHash : DWORD
    Fiddle::TYPE_VOIDP,  # pHash : BYTE*
    Fiddle::TYPE_VOIDP,  # hashAlgOid : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pcbSig : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppSig : BYTE** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "infocardapi")]
extern "system" {
    fn SignHash(
        hCrypto: *mut INFORMATIONCARD_CRYPTO_HANDLE,  // INFORMATIONCARD_CRYPTO_HANDLE*
        cbHash: u32,  // DWORD
        pHash: *mut u8,  // BYTE*
        hashAlgOid: *const u16,  // LPCWSTR
        pcbSig: *mut u32,  // DWORD* out
        ppSig: *mut *mut u8  // BYTE** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("infocardapi.dll")]
public static extern int SignHash(IntPtr hCrypto, uint cbHash, IntPtr pHash, [MarshalAs(UnmanagedType.LPWStr)] string hashAlgOid, out uint pcbSig, IntPtr ppSig);
"@
$api = Add-Type -MemberDefinition $sig -Name 'infocardapi_SignHash' -Namespace Win32 -PassThru
# $api::SignHash(hCrypto, cbHash, pHash, hashAlgOid, pcbSig, ppSig)

#uselib "infocardapi.dll"
#func global SignHash "SignHash" sptr, sptr, sptr, sptr, sptr, sptr
; SignHash varptr(hCrypto), cbHash, varptr(pHash), hashAlgOid, varptr(pcbSig), varptr(ppSig)   ; 戻り値は stat
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "sptr"
; cbHash : DWORD -> "sptr"
; pHash : BYTE* -> "sptr"
; hashAlgOid : LPCWSTR -> "sptr"
; pcbSig : DWORD* out -> "sptr"
; ppSig : BYTE** 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 "infocardapi.dll"
#cfunc global SignHash "SignHash" var, int, var, wstr, var, var
; res = SignHash(hCrypto, cbHash, pHash, hashAlgOid, pcbSig, ppSig)
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "var"
; cbHash : DWORD -> "int"
; pHash : BYTE* -> "var"
; hashAlgOid : LPCWSTR -> "wstr"
; pcbSig : DWORD* out -> "var"
; ppSig : BYTE** 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。

; HRESULT SignHash(INFORMATIONCARD_CRYPTO_HANDLE* hCrypto, DWORD cbHash, BYTE* pHash, LPCWSTR hashAlgOid, DWORD* pcbSig, BYTE** ppSig)
#uselib "infocardapi.dll"
#cfunc global SignHash "SignHash" var, int, var, wstr, var, var
; res = SignHash(hCrypto, cbHash, pHash, hashAlgOid, pcbSig, ppSig)
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "var"
; cbHash : DWORD -> "int"
; pHash : BYTE* -> "var"
; hashAlgOid : LPCWSTR -> "wstr"
; pcbSig : DWORD* out -> "var"
; ppSig : BYTE** 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。

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

var (
	infocardapi = windows.NewLazySystemDLL("infocardapi.dll")
	procSignHash = infocardapi.NewProc("SignHash")
)

// hCrypto (INFORMATIONCARD_CRYPTO_HANDLE*), cbHash (DWORD), pHash (BYTE*), hashAlgOid (LPCWSTR), pcbSig (DWORD* out), ppSig (BYTE** out)
r1, _, err := procSignHash.Call(
	uintptr(hCrypto),
	uintptr(cbHash),
	uintptr(pHash),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(hashAlgOid))),
	uintptr(pcbSig),
	uintptr(ppSig),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SignHash(
  hCrypto: Pointer;   // INFORMATIONCARD_CRYPTO_HANDLE*
  cbHash: DWORD;   // DWORD
  pHash: Pointer;   // BYTE*
  hashAlgOid: PWideChar;   // LPCWSTR
  pcbSig: Pointer;   // DWORD* out
  ppSig: Pointer   // BYTE** out
): Integer; stdcall;
  external 'infocardapi.dll' name 'SignHash';

result := DllCall("infocardapi\SignHash"
    , "Ptr", hCrypto   ; INFORMATIONCARD_CRYPTO_HANDLE*
    , "UInt", cbHash   ; DWORD
    , "Ptr", pHash   ; BYTE*
    , "WStr", hashAlgOid   ; LPCWSTR
    , "Ptr", pcbSig   ; DWORD* out
    , "Ptr", ppSig   ; BYTE** out
    , "Int")   ; return: HRESULT

●SignHash(hCrypto, cbHash, pHash, hashAlgOid, pcbSig, ppSig) = DLL("infocardapi.dll", "int SignHash(void*, dword, void*, char*, void*, void*)")
# 呼び出し: SignHash(hCrypto, cbHash, pHash, hashAlgOid, pcbSig, ppSig)
# hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "void*"
# cbHash : DWORD -> "dword"
# pHash : BYTE* -> "void*"
# hashAlgOid : LPCWSTR -> "char*"
# pcbSig : DWORD* out -> "void*"
# ppSig : BYTE** 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)。