CryptUIWizDigitalSign

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

BOOL CryptUIWizDigitalSign(
    DWORD dwFlags,
    HWND hwndParent,   // optional
    LPCWSTR pwszWizardTitle,   // optional
    CRYPTUI_WIZ_DIGITAL_SIGN_INFO* pDigitalSignInfo,
    CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** ppSignContext   // optional
);

<DllImport("CRYPTUI.dll", ExactSpelling:=True)>
Public Shared Function CryptUIWizDigitalSign(
    dwFlags As UInteger,   ' DWORD
    hwndParent As IntPtr,   ' HWND optional
    <MarshalAs(UnmanagedType.LPWStr)> pwszWizardTitle As String,   ' LPCWSTR optional
    pDigitalSignInfo As IntPtr,   ' CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
    ppSignContext As IntPtr   ' CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
) As Boolean
End Function

' dwFlags : DWORD
' hwndParent : HWND optional
' pwszWizardTitle : LPCWSTR optional
' pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
' ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
Declare PtrSafe Function CryptUIWizDigitalSign Lib "cryptui" ( _
    ByVal dwFlags As Long, _
    ByVal hwndParent As LongPtr, _
    ByVal pwszWizardTitle As LongPtr, _
    ByVal pDigitalSignInfo As LongPtr, _
    ByVal ppSignContext 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

CryptUIWizDigitalSign = ctypes.windll.cryptui.CryptUIWizDigitalSign
CryptUIWizDigitalSign.restype = wintypes.BOOL
CryptUIWizDigitalSign.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.HANDLE,  # hwndParent : HWND optional
    wintypes.LPCWSTR,  # pwszWizardTitle : LPCWSTR optional
    ctypes.c_void_p,  # pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
    ctypes.c_void_p,  # ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPTUI.dll')
CryptUIWizDigitalSign = Fiddle::Function.new(
  lib['CryptUIWizDigitalSign'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # hwndParent : HWND optional
    Fiddle::TYPE_VOIDP,  # pwszWizardTitle : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
    Fiddle::TYPE_VOIDP,  # ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "cryptui")]
extern "system" {
    fn CryptUIWizDigitalSign(
        dwFlags: u32,  // DWORD
        hwndParent: *mut core::ffi::c_void,  // HWND optional
        pwszWizardTitle: *const u16,  // LPCWSTR optional
        pDigitalSignInfo: *mut CRYPTUI_WIZ_DIGITAL_SIGN_INFO,  // CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
        ppSignContext: *mut *mut CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT  // CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPTUI.dll")]
public static extern bool CryptUIWizDigitalSign(uint dwFlags, IntPtr hwndParent, [MarshalAs(UnmanagedType.LPWStr)] string pwszWizardTitle, IntPtr pDigitalSignInfo, IntPtr ppSignContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPTUI_CryptUIWizDigitalSign' -Namespace Win32 -PassThru
# $api::CryptUIWizDigitalSign(dwFlags, hwndParent, pwszWizardTitle, pDigitalSignInfo, ppSignContext)

#uselib "CRYPTUI.dll"
#func global CryptUIWizDigitalSign "CryptUIWizDigitalSign" sptr, sptr, sptr, sptr, sptr
; CryptUIWizDigitalSign dwFlags, hwndParent, pwszWizardTitle, varptr(pDigitalSignInfo), varptr(ppSignContext)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; hwndParent : HWND optional -> "sptr"
; pwszWizardTitle : LPCWSTR optional -> "sptr"
; pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO* -> "sptr"
; ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, 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 "CRYPTUI.dll"
#cfunc global CryptUIWizDigitalSign "CryptUIWizDigitalSign" int, sptr, wstr, var, var
; res = CryptUIWizDigitalSign(dwFlags, hwndParent, pwszWizardTitle, pDigitalSignInfo, ppSignContext)
; dwFlags : DWORD -> "int"
; hwndParent : HWND optional -> "sptr"
; pwszWizardTitle : LPCWSTR optional -> "wstr"
; pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO* -> "var"
; ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, 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 CryptUIWizDigitalSign(DWORD dwFlags, HWND hwndParent, LPCWSTR pwszWizardTitle, CRYPTUI_WIZ_DIGITAL_SIGN_INFO* pDigitalSignInfo, CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** ppSignContext)
#uselib "CRYPTUI.dll"
#cfunc global CryptUIWizDigitalSign "CryptUIWizDigitalSign" int, intptr, wstr, var, var
; res = CryptUIWizDigitalSign(dwFlags, hwndParent, pwszWizardTitle, pDigitalSignInfo, ppSignContext)
; dwFlags : DWORD -> "int"
; hwndParent : HWND optional -> "intptr"
; pwszWizardTitle : LPCWSTR optional -> "wstr"
; pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO* -> "var"
; ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, 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 (
	cryptui = windows.NewLazySystemDLL("CRYPTUI.dll")
	procCryptUIWizDigitalSign = cryptui.NewProc("CryptUIWizDigitalSign")
)

// dwFlags (DWORD), hwndParent (HWND optional), pwszWizardTitle (LPCWSTR optional), pDigitalSignInfo (CRYPTUI_WIZ_DIGITAL_SIGN_INFO*), ppSignContext (CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out)
r1, _, err := procCryptUIWizDigitalSign.Call(
	uintptr(dwFlags),
	uintptr(hwndParent),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszWizardTitle))),
	uintptr(pDigitalSignInfo),
	uintptr(ppSignContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptUIWizDigitalSign(
  dwFlags: DWORD;   // DWORD
  hwndParent: THandle;   // HWND optional
  pwszWizardTitle: PWideChar;   // LPCWSTR optional
  pDigitalSignInfo: Pointer;   // CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
  ppSignContext: Pointer   // CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
): BOOL; stdcall;
  external 'CRYPTUI.dll' name 'CryptUIWizDigitalSign';

result := DllCall("CRYPTUI\CryptUIWizDigitalSign"
    , "UInt", dwFlags   ; DWORD
    , "Ptr", hwndParent   ; HWND optional
    , "WStr", pwszWizardTitle   ; LPCWSTR optional
    , "Ptr", pDigitalSignInfo   ; CRYPTUI_WIZ_DIGITAL_SIGN_INFO*
    , "Ptr", ppSignContext   ; CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, out
    , "Int")   ; return: BOOL

●CryptUIWizDigitalSign(dwFlags, hwndParent, pwszWizardTitle, pDigitalSignInfo, ppSignContext) = DLL("CRYPTUI.dll", "bool CryptUIWizDigitalSign(dword, void*, char*, void*, void*)")
# 呼び出し: CryptUIWizDigitalSign(dwFlags, hwndParent, pwszWizardTitle, pDigitalSignInfo, ppSignContext)
# dwFlags : DWORD -> "dword"
# hwndParent : HWND optional -> "void*"
# pwszWizardTitle : LPCWSTR optional -> "char*"
# pDigitalSignInfo : CRYPTUI_WIZ_DIGITAL_SIGN_INFO* -> "void*"
# ppSignContext : CRYPTUI_WIZ_DIGITAL_SIGN_CONTEXT** optional, 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)。