JAVA SHA1 加密 对应 c# SHA1 加密

 1 　　public static String SHA1(String decript) {
 2         try {
 3             MessageDigest digest = MessageDigest.getInstance("SHA-1");
 4             digest.update(decript.getBytes("UTF-8"));
 5             byte[] messageDigest = digest.digest();
 6             StringBuilder hexString = new StringBuilder();
 7             for (byte message : messageDigest) {
 8                 String shaHex = Integer.toHexString(message & 0xFF);
 9                 if (shaHex.length() < 2)
10                     hexString.append(0);
11 
12                 hexString.append(shaHex);
13             }
14             return hexString.toString().toLowerCase();
15         } catch (Exception e) {
16             e.printStackTrace();
17         }
18         return "";
19     }

 1         /// <summary>  
 2         /// SHA1 加密，返回大写字符串  
 3         /// </summary>  
 4         /// <param name="content">需要加密字符串</param>  
 5         /// <returns>返回40位UTF8 大写</returns>  
 6         public static string SHA1(string content)
 7         {
 8             return SHA1(content, Encoding.UTF8).ToLower();
 9         }
10         /// <summary>  
11         /// SHA1 加密，返回大写字符串  
12         /// </summary>  
13         /// <param name="content">需要加密字符串</param>  
14         /// <param name="encode">指定加密编码</param>  
15         /// <returns>返回40位大写字符串</returns>  
16         public static string SHA1(string content, Encoding encode)
17         {
18             try
19             {
20                 SHA1 sha1 = new SHA1CryptoServiceProvider();
21                 byte[] bytes_in = encode.GetBytes(content);
22                 byte[] bytes_out = sha1.ComputeHash(bytes_in);
23                 sha1.Dispose();
24 
25                 var sb = new StringBuilder();
26                 foreach (byte b in bytes_out)
27                 {
28                     sb.Append(b.ToString("x2"));
29                 }
30                 //所有字符转为小写
31                 return sb.ToString().ToLower();
32             }
33             catch (Exception ex)
34             {
35                 throw new Exception("SHA1加密出错：" + ex.Message);
36             }
37         }