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79 lines
3.2 KiB
79 lines
3.2 KiB
using Warehouse.DAL.Encrypt;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Web;
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using Warehouse.Models.mesModel;
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namespace Warehouse.DAL.Encrypt
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{
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public class AESHelper
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{
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/// <summary>
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/// 默认密钥-密钥的长度必须是32
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/// </summary>
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private const string PublicKey = "1234567890123456";
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/// <summary>
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/// 默认向量
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/// </summary>
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private const string Iv = "abcdefghijklmnop";
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/// <summary>
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/// AES加密
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/// </summary>
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/// <param name="str">需要加密字符串</param>
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/// <returns>加密后字符串</returns>
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public static String Encrypt(string str)
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{
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return Encrypt(str, PublicKey);
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}
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/// <summary>
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/// AES解密
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/// </summary>
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/// <param name="str">需要解密字符串</param>
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/// <returns>解密后字符串</returns>
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public static String Decrypt(string str)
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{
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return Decrypt(str, PublicKey);
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}
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/// <summary>
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/// AES加密
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/// </summary>
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/// <param name="str">需要加密的字符串</param>
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/// <param name="key">32位密钥</param>
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/// <returns>加密后的字符串</returns>
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public static string Encrypt(string str, string key)
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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(str);
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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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rijndael.IV = System.Text.Encoding.UTF8.GetBytes(Iv);
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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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/// <summary>
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/// AES解密
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/// </summary>
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/// <param name="str">需要解密的字符串</param>
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/// <param name="key">32位密钥</param>
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/// <returns>解密后的字符串</returns>
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public static string Decrypt(string str, string key)
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{
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Byte[] keyArray = System.Text.Encoding.UTF8.GetBytes(key);
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Byte[] toEncryptArray = Convert.FromBase64String(str);
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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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rijndael.IV = System.Text.Encoding.UTF8.GetBytes(Iv);
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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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}
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}
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