66 lines
2.2 KiB
C#
66 lines
2.2 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Security.Cryptography;
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using System.Text;
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using UnityEngine;
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public class AESHelper : MonoBehaviour
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{
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private static string key = "0e40d2202209fdc4"; // 16字节的密钥
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// 加密方法
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public static string Encrypt(string plainText)
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{
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if (string.IsNullOrEmpty(plainText)) return null;
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// 将字符串转换为字节数组
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byte[] toEncryptArray = Encoding.UTF8.GetBytes(plainText);
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// 初始化RijndaelManaged对象（AES算法）
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RijndaelManaged rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key), // 使用UTF-8编码的密钥
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Mode = CipherMode.ECB, // 设置为ECB模式
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Padding = PaddingMode.PKCS7 // 使用PKCS7填充
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};
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// 创建加密转换器
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ICryptoTransform cTransform = rm.CreateEncryptor();
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// 执行加密操作
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byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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// 将加密后的字节数组转换为Base64字符串
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return Convert.ToBase64String(resultArray);
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}
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public static string Decrypt(string cipherText)
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{
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if (string.IsNullOrEmpty(cipherText)) return null;
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// 将Base64编码的密文转换为字节数组
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byte[] toDecryptArray = Convert.FromBase64String(cipherText);
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// 初始化RijndaelManaged对象（AES算法）
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RijndaelManaged rm = new RijndaelManaged
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{
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Key = Encoding.UTF8.GetBytes(key), // 使用UTF-8编码的密钥
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Mode = CipherMode.ECB, // 设置为ECB模式
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Padding = PaddingMode.PKCS7 // 使用PKCS7填充
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};
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// 创建解密转换器
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ICryptoTransform cTransform = rm.CreateDecryptor();
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// 执行解密操作
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byte[] resultArray = cTransform.TransformFinalBlock(toDecryptArray, 0, toDecryptArray.Length);
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// 将解密后的字节数组转换为字符串
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return Encoding.UTF8.GetString(resultArray);
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}
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}
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