KERB_DECRYPT_REQUEST

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct LUID
{
    public uint LowPart;
    public int HighPart;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KERB_CRYPTO_KEY
{
    public int KeyType;
    public uint Length;
    public IntPtr Value;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct KERB_DECRYPT_REQUEST
{
    public int MessageType;
    public LUID LogonId;
    public uint Flags;
    public int CryptoType;
    public int KeyUsage;
    public KERB_CRYPTO_KEY Key;
    public uint EncryptedDataSize;
    public uint InitialVectorSize;
    public IntPtr InitialVector;
    public IntPtr EncryptedData;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure LUID
    Public LowPart As UInteger
    Public HighPart As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KERB_CRYPTO_KEY
    Public KeyType As Integer
    Public Length As UInteger
    Public Value As IntPtr
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure KERB_DECRYPT_REQUEST
    Public MessageType As Integer
    Public LogonId As LUID
    Public Flags As UInteger
    Public CryptoType As Integer
    Public KeyUsage As Integer
    Public Key As KERB_CRYPTO_KEY
    Public EncryptedDataSize As UInteger
    Public InitialVectorSize As UInteger
    Public InitialVector As IntPtr
    Public EncryptedData As IntPtr
End Structure

import ctypes
from ctypes import wintypes

class LUID(ctypes.Structure):
    _fields_ = [
        ("LowPart", wintypes.DWORD),
        ("HighPart", ctypes.c_int),
    ]

class KERB_CRYPTO_KEY(ctypes.Structure):
    _fields_ = [
        ("KeyType", ctypes.c_int),
        ("Length", wintypes.DWORD),
        ("Value", ctypes.c_void_p),
    ]

class KERB_DECRYPT_REQUEST(ctypes.Structure):
    _fields_ = [
        ("MessageType", ctypes.c_int),
        ("LogonId", LUID),
        ("Flags", wintypes.DWORD),
        ("CryptoType", ctypes.c_int),
        ("KeyUsage", ctypes.c_int),
        ("Key", KERB_CRYPTO_KEY),
        ("EncryptedDataSize", wintypes.DWORD),
        ("InitialVectorSize", wintypes.DWORD),
        ("InitialVector", ctypes.c_void_p),
        ("EncryptedData", ctypes.c_void_p),
    ]

#[repr(C)]
pub struct LUID {
    pub LowPart: u32,
    pub HighPart: i32,
}

#[repr(C)]
pub struct KERB_CRYPTO_KEY {
    pub KeyType: i32,
    pub Length: u32,
    pub Value: *mut core::ffi::c_void,
}

#[repr(C)]
pub struct KERB_DECRYPT_REQUEST {
    pub MessageType: i32,
    pub LogonId: LUID,
    pub Flags: u32,
    pub CryptoType: i32,
    pub KeyUsage: i32,
    pub Key: KERB_CRYPTO_KEY,
    pub EncryptedDataSize: u32,
    pub InitialVectorSize: u32,
    pub InitialVector: *mut core::ffi::c_void,
    pub EncryptedData: *mut core::ffi::c_void,
}

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

type LUID struct {
	LowPart uint32
	HighPart int32
}

type KERB_CRYPTO_KEY struct {
	KeyType int32
	Length uint32
	Value uintptr
}

type KERB_DECRYPT_REQUEST struct {
	MessageType int32
	LogonId LUID
	Flags uint32
	CryptoType int32
	KeyUsage int32
	Key KERB_CRYPTO_KEY
	EncryptedDataSize uint32
	InitialVectorSize uint32
	InitialVector uintptr
	EncryptedData uintptr
}

type
  LUID = record
    LowPart: DWORD;
    HighPart: Integer;
  end;

  KERB_CRYPTO_KEY = record
    KeyType: Integer;
    Length: DWORD;
    Value: Pointer;
  end;

  KERB_DECRYPT_REQUEST = record
    MessageType: Integer;
    LogonId: LUID;
    Flags: DWORD;
    CryptoType: Integer;
    KeyUsage: Integer;
    Key: KERB_CRYPTO_KEY;
    EncryptedDataSize: DWORD;
    InitialVectorSize: DWORD;
    InitialVector: Pointer;
    EncryptedData: Pointer;
  end;

const LUID = extern struct {
    LowPart: u32,
    HighPart: i32,
};

const KERB_CRYPTO_KEY = extern struct {
    KeyType: i32,
    Length: u32,
    Value: ?*anyopaque,
};

const KERB_DECRYPT_REQUEST = extern struct {
    MessageType: i32,
    LogonId: LUID,
    Flags: u32,
    CryptoType: i32,
    KeyUsage: i32,
    Key: KERB_CRYPTO_KEY,
    EncryptedDataSize: u32,
    InitialVectorSize: u32,
    InitialVector: ?*anyopaque,
    EncryptedData: ?*anyopaque,
};

type
  LUID {.bycopy.} = object
    LowPart: uint32
    HighPart: int32

  KERB_CRYPTO_KEY {.bycopy.} = object
    KeyType: int32
    Length: uint32
    Value: pointer

  KERB_DECRYPT_REQUEST {.bycopy.} = object
    MessageType: int32
    LogonId: LUID
    Flags: uint32
    CryptoType: int32
    KeyUsage: int32
    Key: KERB_CRYPTO_KEY
    EncryptedDataSize: uint32
    InitialVectorSize: uint32
    InitialVector: pointer
    EncryptedData: pointer

struct LUID
{
    uint LowPart;
    int HighPart;
}

struct KERB_CRYPTO_KEY
{
    int KeyType;
    uint Length;
    void* Value;
}

struct KERB_DECRYPT_REQUEST
{
    int MessageType;
    LUID LogonId;
    uint Flags;
    int CryptoType;
    int KeyUsage;
    KERB_CRYPTO_KEY Key;
    uint EncryptedDataSize;
    uint InitialVectorSize;
    void* InitialVector;
    void* EncryptedData;
}