| 提交 | 用户 | 时间 | ||
| e46d3b | 1 | using System; |
| 懒 | 2 | using System.Collections.Generic; |
| 3 | using System.Linq; | |
| 4 | using System.Security.Cryptography; | |
| 5 | using System.Text; | |
| 6 | ||
| 7 | namespace YX.Common.DotNetEncrypt | |
| 8 | { | |
| 9 | ||
| 10 | /// <summary> | |
| 11 | /// 加密、解密帮助类 | |
| 12 | /// </summary> | |
| 13 | public static class DESEncrypt | |
| 14 | { | |
| 15 | private static string Key = "sam";//再次加密Key | |
| 16 | private static byte[] MakeMD5(byte[] original) | |
| 17 | { | |
| 18 | MD5CryptoServiceProvider mD5CryptoServiceProvider = new MD5CryptoServiceProvider(); | |
| 19 | return mD5CryptoServiceProvider.ComputeHash(original); | |
| 20 | } | |
| 21 | /// <summary> | |
| 22 | /// 加密 | |
| 23 | /// </summary> | |
| 24 | /// <param name="MingWen"></param> | |
| 25 | /// <param name="KeyString"></param> | |
| 26 | /// <returns></returns> | |
| 27 | public static string Encrypt(string MingWen, string KeyString) | |
| 28 | { | |
| 29 | byte[] bytes = Encoding.Default.GetBytes(MingWen); | |
| 30 | byte[] bytes2 = Encoding.Default.GetBytes(KeyString + Key); | |
| 31 | return Convert.ToBase64String(new TripleDESCryptoServiceProvider | |
| 32 | { | |
| 33 | Key = DESEncrypt.MakeMD5(bytes2), | |
| 34 | Mode = CipherMode.ECB | |
| 35 | }.CreateEncryptor().TransformFinalBlock(bytes, 0, bytes.Length)); | |
| 36 | } | |
| 37 | /// <summary> | |
| 38 | /// 解密 | |
| 39 | /// </summary> | |
| 40 | /// <param name="MiWen">解密字符串</param> | |
| 41 | /// <param name="KeyString">解密key ；解密key 要与加密key一致</param> | |
| 42 | /// <returns></returns> | |
| 43 | public static string Decrypt(string MiWen, string KeyString) | |
| 44 | { | |
| 45 | string result = ""; | |
| 46 | try | |
| 47 | { | |
| 48 | byte[] array = Convert.FromBase64String(MiWen); | |
| 49 | byte[] bytes = Encoding.Default.GetBytes(KeyString + Key);//key再次加Key | |
| 50 | TripleDESCryptoServiceProvider tripleDESCryptoServiceProvider = new TripleDESCryptoServiceProvider(); | |
| 51 | tripleDESCryptoServiceProvider.Key = DESEncrypt.MakeMD5(bytes); | |
| 52 | tripleDESCryptoServiceProvider.Mode = CipherMode.ECB; | |
| 53 | result = Encoding.Default.GetString(tripleDESCryptoServiceProvider.CreateDecryptor().TransformFinalBlock(array, 0, array.Length)); | |
| 54 | } | |
| 55 | catch (Exception ex) | |
| 56 | { | |
| 57 | ||
| 58 | //MessageBox.Show(ex.Message,"提示",MessageBoxButtons.OK,MessageBoxIcon.Error); | |
| 59 | } | |
| 60 | return result; | |
| 61 | } | |
| 62 | } | |
| 63 | } | |
