126 lines
4.6 KiB
C#
126 lines
4.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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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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namespace libx
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{
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public static class CryptoHelper
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{
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/// <summary>
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/// 加密字符串
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/// </summary>
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/// <param name="value"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public static string EncryptStr(string value, string key)
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{
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try
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{
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Byte[] keyArray = System.Text.Encoding.UTF8.GetBytes(key);
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Byte[] toEncryptArray = System.Text.Encoding.UTF8.GetBytes(value);
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var rijndael = new System.Security.Cryptography.RijndaelManaged();
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rijndael.Key = keyArray;
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rijndael.Mode = System.Security.Cryptography.CipherMode.ECB;
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rijndael.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
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System.Security.Cryptography.ICryptoTransform cTransform = rijndael.CreateEncryptor();
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Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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return Convert.ToBase64String(resultArray, 0, resultArray.Length);
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}
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catch (Exception ex)
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{
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Debug.LogError(ex);
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return null;
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}
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}
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/// <summary>
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/// 解密字符串
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/// </summary>
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/// <param name="value"></param>
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/// <param name="key"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public static string DecryptStr(string value, string key)
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{
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try
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{
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Byte[] keyArray = System.Text.Encoding.UTF8.GetBytes(key);
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Byte[] toEncryptArray = Convert.FromBase64String(value);
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var rijndael = new System.Security.Cryptography.RijndaelManaged();
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rijndael.Key = keyArray;
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rijndael.Mode = System.Security.Cryptography.CipherMode.ECB;
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rijndael.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
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System.Security.Cryptography.ICryptoTransform cTransform = rijndael.CreateDecryptor();
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Byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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return System.Text.Encoding.UTF8.GetString(resultArray);
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}
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catch (Exception ex)
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{
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Debug.LogError(ex);
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return null;
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}
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}
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/// <summary>
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/// AES 算法加密(ECB模式) 将明文加密
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/// </summary>
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/// <param name="toEncryptArray,">明文</param>
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/// <param name="Key">密钥</param>
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/// <returns>加密后base64编码的密文</returns>
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public static byte[] AesEncrypt(byte[] toEncryptArray, string Key)
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{
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try
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{
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byte[] keyArray = Encoding.UTF8.GetBytes(Key);
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RijndaelManaged rDel = new RijndaelManaged();
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rDel.Key = keyArray;
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rDel.Mode = CipherMode.ECB;
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rDel.Padding = PaddingMode.PKCS7;
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ICryptoTransform cTransform = rDel.CreateEncryptor();
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byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);
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return resultArray;
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}
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catch (Exception ex)
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{
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Debug.LogError(ex);
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return null;
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}
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}
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/// <summary>
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/// AES 算法解密(ECB模式) 将密文base64解码进行解密，返回明文
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/// </summary>
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/// <param name="toDecryptArray">密文</param>
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/// <param name="Key">密钥</param>
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/// <returns>明文</returns>
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public static byte[] AesDecrypt(byte[] toDecryptArray, string Key)
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{
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try
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{
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byte[] keyArray = Encoding.UTF8.GetBytes(Key);
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RijndaelManaged rDel = new RijndaelManaged();
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rDel.Key = keyArray;
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rDel.Mode = CipherMode.ECB;
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rDel.Padding = PaddingMode.PKCS7;
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ICryptoTransform cTransform = rDel.CreateDecryptor();
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byte[] resultArray = cTransform.TransformFinalBlock(toDecryptArray, 0, toDecryptArray.Length);
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return resultArray;
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}
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catch (Exception ex)
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{
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Debug.LogError(ex);
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return null;
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}
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}
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}
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}
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