CRYPT_PKCS8_IMPORT_PARAMS

using System;
using System.Runtime.InteropServices;

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

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CRYPT_PKCS8_IMPORT_PARAMS
{
    public CRYPT_INTEGER_BLOB PrivateKey;
    public IntPtr pResolvehCryptProvFunc;
    public IntPtr pVoidResolveFunc;
    public IntPtr pDecryptPrivateKeyFunc;
    public IntPtr pVoidDecryptFunc;
}

Imports System.Runtime.InteropServices

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

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CRYPT_PKCS8_IMPORT_PARAMS
    Public PrivateKey As CRYPT_INTEGER_BLOB
    Public pResolvehCryptProvFunc As IntPtr
    Public pVoidResolveFunc As IntPtr
    Public pDecryptPrivateKeyFunc As IntPtr
    Public pVoidDecryptFunc As IntPtr
End Structure

import ctypes
from ctypes import wintypes

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

class CRYPT_PKCS8_IMPORT_PARAMS(ctypes.Structure):
    _fields_ = [
        ("PrivateKey", CRYPT_INTEGER_BLOB),
        ("pResolvehCryptProvFunc", ctypes.c_void_p),
        ("pVoidResolveFunc", ctypes.c_void_p),
        ("pDecryptPrivateKeyFunc", ctypes.c_void_p),
        ("pVoidDecryptFunc", ctypes.c_void_p),
    ]

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

#[repr(C)]
pub struct CRYPT_PKCS8_IMPORT_PARAMS {
    pub PrivateKey: CRYPT_INTEGER_BLOB,
    pub pResolvehCryptProvFunc: *mut core::ffi::c_void,
    pub pVoidResolveFunc: *mut core::ffi::c_void,
    pub pDecryptPrivateKeyFunc: *mut core::ffi::c_void,
    pub pVoidDecryptFunc: *mut core::ffi::c_void,
}

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

type CRYPT_INTEGER_BLOB struct {
	cbData uint32
	pbData uintptr
}

type CRYPT_PKCS8_IMPORT_PARAMS struct {
	PrivateKey CRYPT_INTEGER_BLOB
	pResolvehCryptProvFunc uintptr
	pVoidResolveFunc uintptr
	pDecryptPrivateKeyFunc uintptr
	pVoidDecryptFunc uintptr
}

type
  CRYPT_INTEGER_BLOB = record
    cbData: DWORD;
    pbData: Pointer;
  end;

  CRYPT_PKCS8_IMPORT_PARAMS = record
    PrivateKey: CRYPT_INTEGER_BLOB;
    pResolvehCryptProvFunc: Pointer;
    pVoidResolveFunc: Pointer;
    pDecryptPrivateKeyFunc: Pointer;
    pVoidDecryptFunc: Pointer;
  end;

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

const CRYPT_PKCS8_IMPORT_PARAMS = extern struct {
    PrivateKey: CRYPT_INTEGER_BLOB,
    pResolvehCryptProvFunc: ?*anyopaque,
    pVoidResolveFunc: ?*anyopaque,
    pDecryptPrivateKeyFunc: ?*anyopaque,
    pVoidDecryptFunc: ?*anyopaque,
};

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

  CRYPT_PKCS8_IMPORT_PARAMS {.bycopy.} = object
    PrivateKey: CRYPT_INTEGER_BLOB
    pResolvehCryptProvFunc: pointer
    pVoidResolveFunc: pointer
    pDecryptPrivateKeyFunc: pointer
    pVoidDecryptFunc: pointer

struct CRYPT_INTEGER_BLOB
{
    uint cbData;
    void* pbData;
}

struct CRYPT_PKCS8_IMPORT_PARAMS
{
    CRYPT_INTEGER_BLOB PrivateKey;
    void* pResolvehCryptProvFunc;
    void* pVoidResolveFunc;
    void* pDecryptPrivateKeyFunc;
    void* pVoidDecryptFunc;
}