CertAddEncodedCertificateToSystemStoreW

// CRYPT32.dll  (Unicode / -W)
#include <windows.h>

BOOL CertAddEncodedCertificateToSystemStoreW(
    LPCWSTR szCertStoreName,
    const BYTE* pbCertEncoded,
    DWORD cbCertEncoded
);

<DllImport("CRYPT32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertAddEncodedCertificateToSystemStoreW(
    <MarshalAs(UnmanagedType.LPWStr)> szCertStoreName As String,   ' LPCWSTR
    pbCertEncoded As IntPtr,   ' BYTE*
    cbCertEncoded As UInteger   ' DWORD
) As Boolean
End Function

' szCertStoreName : LPCWSTR
' pbCertEncoded : BYTE*
' cbCertEncoded : DWORD
Declare PtrSafe Function CertAddEncodedCertificateToSystemStoreW Lib "crypt32" ( _
    ByVal szCertStoreName As LongPtr, _
    ByVal pbCertEncoded As LongPtr, _
    ByVal cbCertEncoded As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertAddEncodedCertificateToSystemStoreW = ctypes.windll.crypt32.CertAddEncodedCertificateToSystemStoreW
CertAddEncodedCertificateToSystemStoreW.restype = wintypes.BOOL
CertAddEncodedCertificateToSystemStoreW.argtypes = [
    wintypes.LPCWSTR,  # szCertStoreName : LPCWSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pbCertEncoded : BYTE*
    wintypes.DWORD,  # cbCertEncoded : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertAddEncodedCertificateToSystemStoreW = Fiddle::Function.new(
  lib['CertAddEncodedCertificateToSystemStoreW'],
  [
    Fiddle::TYPE_VOIDP,  # szCertStoreName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pbCertEncoded : BYTE*
    -Fiddle::TYPE_INT,  # cbCertEncoded : DWORD
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "crypt32")]
extern "system" {
    fn CertAddEncodedCertificateToSystemStoreW(
        szCertStoreName: *const u16,  // LPCWSTR
        pbCertEncoded: *const u8,  // BYTE*
        cbCertEncoded: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool CertAddEncodedCertificateToSystemStoreW([MarshalAs(UnmanagedType.LPWStr)] string szCertStoreName, IntPtr pbCertEncoded, uint cbCertEncoded);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertAddEncodedCertificateToSystemStoreW' -Namespace Win32 -PassThru
# $api::CertAddEncodedCertificateToSystemStoreW(szCertStoreName, pbCertEncoded, cbCertEncoded)

#uselib "CRYPT32.dll"
#func global CertAddEncodedCertificateToSystemStoreW "CertAddEncodedCertificateToSystemStoreW" wptr, wptr, wptr
; CertAddEncodedCertificateToSystemStoreW szCertStoreName, varptr(pbCertEncoded), cbCertEncoded   ; 戻り値は stat
; szCertStoreName : LPCWSTR -> "wptr"
; pbCertEncoded : BYTE* -> "wptr"
; cbCertEncoded : DWORD -> "wptr"
; ※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 CertAddEncodedCertificateToSystemStoreW "CertAddEncodedCertificateToSystemStoreW" wstr, var, int
; res = CertAddEncodedCertificateToSystemStoreW(szCertStoreName, pbCertEncoded, cbCertEncoded)
; szCertStoreName : LPCWSTR -> "wstr"
; pbCertEncoded : BYTE* -> "var"
; cbCertEncoded : DWORD -> "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。

; BOOL CertAddEncodedCertificateToSystemStoreW(LPCWSTR szCertStoreName, BYTE* pbCertEncoded, DWORD cbCertEncoded)
#uselib "CRYPT32.dll"
#cfunc global CertAddEncodedCertificateToSystemStoreW "CertAddEncodedCertificateToSystemStoreW" wstr, var, int
; res = CertAddEncodedCertificateToSystemStoreW(szCertStoreName, pbCertEncoded, cbCertEncoded)
; szCertStoreName : LPCWSTR -> "wstr"
; pbCertEncoded : BYTE* -> "var"
; cbCertEncoded : DWORD -> "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 (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertAddEncodedCertificateToSystemStoreW = crypt32.NewProc("CertAddEncodedCertificateToSystemStoreW")
)

// szCertStoreName (LPCWSTR), pbCertEncoded (BYTE*), cbCertEncoded (DWORD)
r1, _, err := procCertAddEncodedCertificateToSystemStoreW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szCertStoreName))),
	uintptr(pbCertEncoded),
	uintptr(cbCertEncoded),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CertAddEncodedCertificateToSystemStoreW(
  szCertStoreName: PWideChar;   // LPCWSTR
  pbCertEncoded: Pointer;   // BYTE*
  cbCertEncoded: DWORD   // DWORD
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CertAddEncodedCertificateToSystemStoreW';

result := DllCall("CRYPT32\CertAddEncodedCertificateToSystemStoreW"
    , "WStr", szCertStoreName   ; LPCWSTR
    , "Ptr", pbCertEncoded   ; BYTE*
    , "UInt", cbCertEncoded   ; DWORD
    , "Int")   ; return: BOOL

●CertAddEncodedCertificateToSystemStoreW(szCertStoreName, pbCertEncoded, cbCertEncoded) = DLL("CRYPT32.dll", "bool CertAddEncodedCertificateToSystemStoreW(char*, void*, dword)")
# 呼び出し: CertAddEncodedCertificateToSystemStoreW(szCertStoreName, pbCertEncoded, cbCertEncoded)
# szCertStoreName : LPCWSTR -> "char*"
# pbCertEncoded : BYTE* -> "void*"
# cbCertEncoded : DWORD -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。