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52 lines
1.7 KiB
C#
52 lines
1.7 KiB
C#
using System.Text;
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using System.Security.Cryptography;
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using System;
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using System.Collections;
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using System.IO;
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using System.Data;
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using BP.Sys;
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using BP;
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using BP.En;
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using System.Data.Sql;
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using System.Data.Common;
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using System.Data.SqlClient;
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using System.Data.SqlTypes;
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namespace BP.Tools
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{
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/// <summary>
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/// 字符串加解密
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/// </summary>
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public sealed class SecurityDES
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{
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//默认密钥向量
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private static byte[] IV = { 0x65, 0x88, 0x35, 0x71, 0x60, 0x1B, 0x2D, 0x7F };
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private static string key = "ligy@163";
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/// <summary>
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/// DES加密字符串
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/// </summary>
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/// <returns>加密成功返回加密后的字符串，失败返回源串</returns>
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public static string Encrypt(string toEncryptString)
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{
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try
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{
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if (toEncryptString == null || toEncryptString == "" || toEncryptString == string.Empty)
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return "";
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byte[] rgbKey = Encoding.UTF8.GetBytes(key.Substring(0, 8));
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byte[] rgbIV = IV;
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byte[] inputByteArray = Encoding.UTF8.GetBytes(toEncryptString);
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DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
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MemoryStream mStream = new MemoryStream();
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CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
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cStream.Write(inputByteArray, 0, inputByteArray.Length);
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cStream.FlushFinalBlock();
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return Convert.ToBase64String(mStream.ToArray());
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}
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catch
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{
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return toEncryptString;
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}
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}
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}
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}
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