C#问题使用blowfish NET:如何从Uint32 []转换为byte []

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Engines;
using Org.BouncyCastle.Crypto.Modes;
using Org.BouncyCastle.Crypto.Paddings;
using Org.BouncyCastle.Crypto.Parameters;

namespace BlowfishNET
{
    class Program
    {
        static void Main(string[] args)
        {
            // 创建一个Uint32数组
            UInt32[] data = new UInt32[] { 0x12345678, 0x9abcdef0 };

            // 将Uint32数组转换为byte数组
            byte[] bytes = ConvertUint32ArrayToByteArray(data);

            // 使用Blowfish加密算法加密byte数组
            byte[] encryptedBytes = EncryptBytes(bytes);

            // 输出加密后的byte数组
            Console.WriteLine("Encrypted bytes:");
            foreach (byte b in encryptedBytes)
            {
                Console.Write(b.ToString("X2") + " ");
            }
        }

        static byte[] ConvertUint32ArrayToByteArray(UInt32[] data)
        {
            // 计算数组的长度
            int length = data.Length * 4;

            // 创建一个byte数组
            byte[] bytes = new byte[length];

            // 将Uint32数组中的每个元素转换为4个byte，并存储在byte数组中
            for (int i = 0; i< data.Length; i++)
            {
                byte[] temp = BitConverter.GetBytes(data[i]);
                Array.Copy(temp, 0, bytes, i * 4, 4);
            }

            return bytes;
        }

        static byte[] EncryptBytes(byte[] data)
        {
            // 创建Blowfish加密算法的实例
            BlowfishEngine engine = new BlowfishEngine();

            // 创建一个随机生成的密钥
            byte[] key = new byte[16];
            new Random().NextBytes(key);

            // 将密钥转换为Blowfish密钥参数
            KeyParameter keyParam = new KeyParameter(key);

            // 初始化Blowfish加密算法
            engine.Init(true, keyParam);

            // 创建一个加密过程的输出流
            byte[] output = new byte[engine.GetOutputSize(data.Length)];

            // 执行加密过程
            int length = engine.ProcessBytes(data, 0, data.Length, output, 0);

            // 完成加密过程
            engine.DoFinal(output, length);

            return output;
        }
    }
}