CRYPT_ECC_CMS_SHARED_INFO

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_ALGORITHM_IDENTIFIER
{
    public IntPtr pszObjId;
    public CRYPT_INTEGER_BLOB Parameters;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct CRYPT_ECC_CMS_SHARED_INFO
{
    public CRYPT_ALGORITHM_IDENTIFIER Algorithm;
    public CRYPT_INTEGER_BLOB EntityUInfo;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)] public byte[] rgbSuppPubInfo;
}

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_ALGORITHM_IDENTIFIER
    Public pszObjId As IntPtr
    Public Parameters As CRYPT_INTEGER_BLOB
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure CRYPT_ECC_CMS_SHARED_INFO
    Public Algorithm As CRYPT_ALGORITHM_IDENTIFIER
    Public EntityUInfo As CRYPT_INTEGER_BLOB
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=4)> Public rgbSuppPubInfo() As Byte
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_ALGORITHM_IDENTIFIER(ctypes.Structure):
    _fields_ = [
        ("pszObjId", ctypes.c_void_p),
        ("Parameters", CRYPT_INTEGER_BLOB),
    ]

class CRYPT_ECC_CMS_SHARED_INFO(ctypes.Structure):
    _fields_ = [
        ("Algorithm", CRYPT_ALGORITHM_IDENTIFIER),
        ("EntityUInfo", CRYPT_INTEGER_BLOB),
        ("rgbSuppPubInfo", ctypes.c_ubyte * 4),
    ]

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

#[repr(C)]
pub struct CRYPT_ALGORITHM_IDENTIFIER {
    pub pszObjId: *mut core::ffi::c_void,
    pub Parameters: CRYPT_INTEGER_BLOB,
}

#[repr(C)]
pub struct CRYPT_ECC_CMS_SHARED_INFO {
    pub Algorithm: CRYPT_ALGORITHM_IDENTIFIER,
    pub EntityUInfo: CRYPT_INTEGER_BLOB,
    pub rgbSuppPubInfo: [u8; 4],
}

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

type CRYPT_INTEGER_BLOB struct {
	cbData uint32
	pbData uintptr
}

type CRYPT_ALGORITHM_IDENTIFIER struct {
	pszObjId uintptr
	Parameters CRYPT_INTEGER_BLOB
}

type CRYPT_ECC_CMS_SHARED_INFO struct {
	Algorithm CRYPT_ALGORITHM_IDENTIFIER
	EntityUInfo CRYPT_INTEGER_BLOB
	rgbSuppPubInfo [4]byte
}

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

  CRYPT_ALGORITHM_IDENTIFIER = record
    pszObjId: Pointer;
    Parameters: CRYPT_INTEGER_BLOB;
  end;

  CRYPT_ECC_CMS_SHARED_INFO = record
    Algorithm: CRYPT_ALGORITHM_IDENTIFIER;
    EntityUInfo: CRYPT_INTEGER_BLOB;
    rgbSuppPubInfo: array[0..3] of Byte;
  end;

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

const CRYPT_ALGORITHM_IDENTIFIER = extern struct {
    pszObjId: ?*anyopaque,
    Parameters: CRYPT_INTEGER_BLOB,
};

const CRYPT_ECC_CMS_SHARED_INFO = extern struct {
    Algorithm: CRYPT_ALGORITHM_IDENTIFIER,
    EntityUInfo: CRYPT_INTEGER_BLOB,
    rgbSuppPubInfo: [4]u8,
};

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

  CRYPT_ALGORITHM_IDENTIFIER {.bycopy.} = object
    pszObjId: pointer
    Parameters: CRYPT_INTEGER_BLOB

  CRYPT_ECC_CMS_SHARED_INFO {.bycopy.} = object
    Algorithm: CRYPT_ALGORITHM_IDENTIFIER
    EntityUInfo: CRYPT_INTEGER_BLOB
    rgbSuppPubInfo: array[4, uint8]

struct CRYPT_INTEGER_BLOB
{
    uint cbData;
    void* pbData;
}

struct CRYPT_ALGORITHM_IDENTIFIER
{
    void* pszObjId;
    CRYPT_INTEGER_BLOB Parameters;
}

struct CRYPT_ECC_CMS_SHARED_INFO
{
    CRYPT_ALGORITHM_IDENTIFIER Algorithm;
    CRYPT_INTEGER_BLOB EntityUInfo;
    ubyte[4] rgbSuppPubInfo;
}