c#大圣之路笔记——c#编程之Password加密 

 1         #region  encrypt
 2         protected byte[] Encrypt(string password)
 3         {
 4             //declare
 5             byte[] buffer;
 6             
 7             //            buffer = Encoding.UTF8.GetBytes(password);
 8             //            password = Convert.ToBase64String(buffer, 0, buffer.Length);
 9             buffer = Encoding.UTF8.GetBytes(password);
10 
11             //return buffer;
12 
13             MemoryStream ms = new MemoryStream();
14             SymmetricAlgorithm sa ;
15             sa = RC2.Create();
16             sa.Key = PasswordKey;
17             sa.IV = PasswordKey;
18 
19             CryptoStream cs = new CryptoStream(ms, sa.CreateEncryptor(), CryptoStreamMode.Write);
20 
21             try
22             {
23                 for(int i = 0; i < buffer.Length; i++)
24                 {
25                     cs.WriteByte(buffer[i]);
26                 }
27             }
28             finally
29             {
30                 cs.Close();
31                 ms.Close();
32             }
33 
34             return ms.ToArray();
35         }
36         #endregion

 

posted @ 2016-03-31 14:19  王小二不在家  阅读(568)  评论(0)    收藏  举报