当前文件路径：AcomStore/Components/PblogDes.cs

		            
 1/**///////////////////////////////////////////////////////////////////////////
 2// 创建人:Pconcool Liu-per@163.com
 3// 创建日期: 2007-09-16
 4// 描述:
 5//        
 6// 修改日志:        
 7//    
 8// 版权:Http://www.Pconcool.com(c)2007-2010
 9/**///////////////////////////////////////////////////////////////////////////
10
11using System;
12using System.IO;
13using System.Security.Cryptography;
14using System.Text;
15
16namespace AcomLb.Components
17...{
18   
19    public class PblogDes
20    ...{
21        private string key;
22
23        public PblogDes()
24        ...{
25            this.key = "PblogKey";
26        }
27
28        public PblogDes(string key)
29        ...{
30            this.key = key;
31        }
32
33        public string Decrypt(string s)
34        ...{
35            return this.Decrypt(s, this.key);
36        }
37
38        private string Decrypt(string pToDecrypt, string sKey)
39        ...{
40            DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
41            byte[] buffer = new byte[pToDecrypt.Length / 2];
42            for (int i = 0; i < (pToDecrypt.Length / 2); i++)
43            ...{
44                int num2 = Convert.ToInt32(pToDecrypt.Substring(i * 2, 2), 0x10);
45                buffer[i] = (byte)num2;
46            }
47            provider.Key = Encoding.ASCII.GetBytes(sKey);
48            provider.IV = Encoding.ASCII.GetBytes(sKey);
49            MemoryStream stream = new MemoryStream();
50            CryptoStream stream2 = new CryptoStream(stream, provider.CreateDecryptor(), CryptoStreamMode.Write);
51            stream2.Write(buffer, 0, buffer.Length);
52            stream2.FlushFinalBlock();
53            new StringBuilder();
54            return Encoding.Default.GetString(stream.ToArray());
55        }
56
57        public string Encrypt(string s)
58        ...{
59            return this.Encrypt(s, this.key);
60        }
61
62        private string Encrypt(string pToEncrypt, string sKey)
63        ...{
64            DESCryptoServiceProvider provider = new DESCryptoServiceProvider();
65            byte[] bytes = Encoding.Default.GetBytes(pToEncrypt);
66            provider.Key = Encoding.ASCII.GetBytes(sKey);
67            provider.IV = Encoding.ASCII.GetBytes(sKey);
68            MemoryStream stream = new MemoryStream();
69            CryptoStream stream2 = new CryptoStream(stream, provider.CreateEncryptor(), CryptoStreamMode.Write);
70            stream2.Write(bytes, 0, bytes.Length);
71            stream2.FlushFinalBlock();
72            StringBuilder builder = new StringBuilder();
73            foreach (byte num in stream.ToArray())
74            ...{
75                builder.AppendFormat("{0:X2}", num);
76            }
77            builder.ToString();
78            return builder.ToString();
79        }
80    }
81}
82