CERT_KEY_USAGE_RESTRICTION_INFO

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CRYPT_BIT_BLOB
{
    public uint cbData;
    public IntPtr pbData;
    public uint cUnusedBits;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CERT_KEY_USAGE_RESTRICTION_INFO
{
    public uint cCertPolicyId;
    public IntPtr rgCertPolicyId;
    public CRYPT_BIT_BLOB RestrictedKeyUsage;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CRYPT_BIT_BLOB
    Public cbData As UInteger
    Public pbData As IntPtr
    Public cUnusedBits As UInteger
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CERT_KEY_USAGE_RESTRICTION_INFO
    Public cCertPolicyId As UInteger
    Public rgCertPolicyId As IntPtr
    Public RestrictedKeyUsage As CRYPT_BIT_BLOB
End Structure

import ctypes
from ctypes import wintypes

class CRYPT_BIT_BLOB(ctypes.Structure):
    _fields_ = [
        ("cbData", wintypes.DWORD),
        ("pbData", ctypes.c_void_p),
        ("cUnusedBits", wintypes.DWORD),
    ]

class CERT_KEY_USAGE_RESTRICTION_INFO(ctypes.Structure):
    _fields_ = [
        ("cCertPolicyId", wintypes.DWORD),
        ("rgCertPolicyId", ctypes.c_void_p),
        ("RestrictedKeyUsage", CRYPT_BIT_BLOB),
    ]

#[repr(C)]
pub struct CRYPT_BIT_BLOB {
    pub cbData: u32,
    pub pbData: *mut core::ffi::c_void,
    pub cUnusedBits: u32,
}

#[repr(C)]
pub struct CERT_KEY_USAGE_RESTRICTION_INFO {
    pub cCertPolicyId: u32,
    pub rgCertPolicyId: *mut core::ffi::c_void,
    pub RestrictedKeyUsage: CRYPT_BIT_BLOB,
}

import "golang.org/x/sys/windows"

type CRYPT_BIT_BLOB struct {
	cbData uint32
	pbData uintptr
	cUnusedBits uint32
}

type CERT_KEY_USAGE_RESTRICTION_INFO struct {
	cCertPolicyId uint32
	rgCertPolicyId uintptr
	RestrictedKeyUsage CRYPT_BIT_BLOB
}

type
  CRYPT_BIT_BLOB = record
    cbData: DWORD;
    pbData: Pointer;
    cUnusedBits: DWORD;
  end;

  CERT_KEY_USAGE_RESTRICTION_INFO = record
    cCertPolicyId: DWORD;
    rgCertPolicyId: Pointer;
    RestrictedKeyUsage: CRYPT_BIT_BLOB;
  end;

const CRYPT_BIT_BLOB = extern struct {
    cbData: u32,
    pbData: ?*anyopaque,
    cUnusedBits: u32,
};

const CERT_KEY_USAGE_RESTRICTION_INFO = extern struct {
    cCertPolicyId: u32,
    rgCertPolicyId: ?*anyopaque,
    RestrictedKeyUsage: CRYPT_BIT_BLOB,
};

type
  CRYPT_BIT_BLOB {.bycopy.} = object
    cbData: uint32
    pbData: pointer
    cUnusedBits: uint32

  CERT_KEY_USAGE_RESTRICTION_INFO {.bycopy.} = object
    cCertPolicyId: uint32
    rgCertPolicyId: pointer
    RestrictedKeyUsage: CRYPT_BIT_BLOB

struct CRYPT_BIT_BLOB
{
    uint cbData;
    void* pbData;
    uint cUnusedBits;
}

struct CERT_KEY_USAGE_RESTRICTION_INFO
{
    uint cCertPolicyId;
    void* rgCertPolicyId;
    CRYPT_BIT_BLOB RestrictedKeyUsage;
}